./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3160607686 <...> gram [pid 9730] write(1, "executing program\n", 18) = 18 [pid 9730] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9728] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] <... restart_syscall resumed>) = 0 [pid 9730] <... futex resumed>) = 0 [pid 9728] <... futex resumed>) = 1 [pid 9725] <... futex resumed>) = 0 [pid 9725] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9725] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9728] write(-1, "0x0000000000000001", 18 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9730] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9730] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9730] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9728] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 9732 [pid 9730] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9728] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9730] <... mprotect resumed>) = 0 [pid 9728] <... futex resumed>) = 1 [pid 9725] <... futex resumed>) = 0 [pid 9725] exit_group(0) = ? [pid 9730] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9730] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[9733]}, 88) = 9733 [pid 9730] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9730] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9730] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9728] +++ exited with 0 +++ [pid 9725] +++ exited with 0 +++ [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9725, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 555] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 9731 attached [pid 9731] set_robust_list(0x55556dd196a0, 24) = 0 [pid 9731] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9731] setpgid(0, 0) = 0 [pid 9731] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9729] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9731] <... openat resumed>) = 3 [pid 9729] <... openat resumed>) = 3 [pid 9731] write(3, "1000", 4) = 4 [pid 9731] close(3) = 0 executing program [pid 9731] write(1, "executing program\n", 18 [pid 9729] write(3, "1000", 4 [pid 9731] <... write resumed>) = 18 [pid 9731] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9729] <... write resumed>) = 4 ./strace-static-x86_64: Process 9732 attached [pid 9731] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9729] close(3 [pid 9731] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9731] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9731] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9731] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9731] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9731] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[9734]}, 88) = 9734 [pid 9732] set_robust_list(0x55556dd196a0, 24 [pid 9729] <... close resumed>) = 0 [pid 9731] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9731] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9731] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9733 attached [pid 9733] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9733] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9733] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9733] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9730] <... futex resumed>) = 0 [pid 9730] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9730] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9733] <... futex resumed>) = 1 [pid 9733] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 9733] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9730] <... futex resumed>) = 0 [pid 9730] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9730] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9733] <... futex resumed>) = 1 [pid 9733] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 9733] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9730] <... futex resumed>) = 0 [pid 9730] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9730] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9733] <... futex resumed>) = 1 executing program [pid 9733] write(-1, "0x0000000000000001", 18 [pid 9732] <... set_robust_list resumed>) = 0 [pid 9729] write(1, "executing program\n", 18 [pid 9733] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9733] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9730] <... futex resumed>) = 0 [pid 9729] <... write resumed>) = 18 [pid 9730] exit_group(0) = ? [pid 9733] <... futex resumed>) = ? [pid 9729] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9729] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9732] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9729] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9732] <... prctl resumed>) = 0 [pid 9729] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9732] setpgid(0, 0 [pid 9729] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9729] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9729] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9732] <... setpgid resumed>) = 0 [pid 9729] <... mprotect resumed>) = 0 [pid 9733] +++ exited with 0 +++ [pid 9730] +++ exited with 0 +++ [pid 9729] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9730, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9729] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 551] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 9734 attached [pid 9734] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9732] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9734] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9729] <... clone3 resumed> => {parent_tid=[9735]}, 88) = 9735 [pid 9734] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9734] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9732] <... openat resumed>) = 3 [pid 9729] rt_sigprocmask(SIG_SETMASK, [], [pid 9732] write(3, "1000", 4 [pid 9729] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9731] <... futex resumed>) = 0 [pid 9729] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9732] <... write resumed>) = 4 [pid 9729] <... futex resumed>) = 0 [pid 9731] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9729] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9732] close(3 [pid 9731] <... futex resumed>) = 0 [pid 9731] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9732] <... close resumed>) = 0 [pid 9734] <... futex resumed>) = 1 [pid 9734] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 9734] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9731] <... futex resumed>) = 0 [pid 9731] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9731] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9734] <... futex resumed>) = 1 [pid 9734] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000executing program ./strace-static-x86_64: Process 9735 attached [pid 9732] write(1, "executing program\n", 18) = 18 [pid 9732] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9734] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9734] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9731] <... futex resumed>) = 0 [pid 9731] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9731] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9734] <... futex resumed>) = 1 [pid 9732] <... futex resumed>) = 0 [pid 555] <... restart_syscall resumed>) = 0 [pid 9732] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9734] write(-1, "0x0000000000000001", 18 [pid 9732] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9734] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9732] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9734] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9731] <... futex resumed>) = 0 [pid 9731] exit_group(0) = ? [pid 9734] <... futex resumed>) = ? [pid 9735] set_robust_list(0x7f70b115b9a0, 24 [pid 9734] +++ exited with 0 +++ [pid 9732] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9731] +++ exited with 0 +++ [pid 9732] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 9736 [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9731, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 9732] <... mmap resumed>) = 0x7f70b113b000 ./strace-static-x86_64: Process 9736 attached [pid 9736] set_robust_list(0x55556dd196a0, 24) = 0 [pid 9735] <... set_robust_list resumed>) = 0 [pid 9732] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9736] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9732] <... mprotect resumed>) = 0 [pid 9736] setpgid(0, 0) = 0 [pid 9736] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9732] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9736] write(3, "1000", 4) = 4 [pid 9736] close(3) = 0 executing program [pid 9736] write(1, "executing program\n", 18) = 18 [pid 9736] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9736] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9736] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9736] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9736] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9736] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9735] rt_sigprocmask(SIG_SETMASK, [], [pid 9732] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9736] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9732] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9735] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9736] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[9738]}, 88) = 9738 [pid 9732] <... clone3 resumed> => {parent_tid=[9737]}, 88) = 9737 [pid 9735] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9732] rt_sigprocmask(SIG_SETMASK, [], [pid 9736] rt_sigprocmask(SIG_SETMASK, [], [pid 9732] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9735] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9732] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9736] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9735] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9732] <... futex resumed>) = 0 [pid 9736] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9732] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9735] <... futex resumed>) = 1 [pid 9729] <... futex resumed>) = 0 [pid 9736] <... futex resumed>) = 0 [pid 9735] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9729] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9736] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9737 attached [pid 9729] <... futex resumed>) = 0 [pid 9735] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9729] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9737] set_robust_list(0x7f70b115b9a0, 24 [pid 9735] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9737] <... set_robust_list resumed>) = 0 [pid 9737] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9737] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9737] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9735] <... futex resumed>) = 1 [pid 9729] <... futex resumed>) = 0 [pid 9729] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9732] <... futex resumed>) = 0 [pid 9735] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9729] <... futex resumed>) = 0 [pid 9732] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9729] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9735] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9732] <... futex resumed>) = 0 [pid 9737] <... futex resumed>) = 1 [pid 9735] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9732] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9737] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9729] <... futex resumed>) = 0 [pid 9735] <... futex resumed>) = 1 [pid 9729] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9729] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9735] write(-1, "0x0000000000000001", 18 [pid 9737] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9737] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9732] <... futex resumed>) = 0 [pid 551] <... restart_syscall resumed>) = 0 [pid 9735] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9732] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9737] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9735] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9732] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9735] <... futex resumed>) = 1 [pid 9729] <... futex resumed>) = 0 [pid 9737] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9737] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9737] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 9738 attached [pid 9738] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9738] rt_sigprocmask(SIG_SETMASK, [], [pid 9732] <... futex resumed>) = 0 [pid 9729] exit_group(0 [pid 9735] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9732] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9729] <... exit_group resumed>) = ? [pid 552] <... restart_syscall resumed>) = 0 [pid 9735] <... futex resumed>) = 0 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 9739 [pid 9732] <... futex resumed>) = 1 [pid 9737] <... futex resumed>) = 0 [pid 9732] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9737] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 9737] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9737] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9738] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9732] <... futex resumed>) = 0 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 9740 [pid 9732] exit_group(0) = ? [pid 9737] <... futex resumed>) = ? [pid 9737] +++ exited with 0 +++ [pid 9735] +++ exited with 0 +++ [pid 9732] +++ exited with 0 +++ [pid 9729] +++ exited with 0 +++ [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9732, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9729, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 9738] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9738] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9736] <... futex resumed>) = 0 [pid 9736] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] <... restart_syscall resumed>) = 0 [pid 9736] <... futex resumed>) = 0 [pid 9736] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9738] <... futex resumed>) = 1 [pid 9738] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 9738] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9736] <... futex resumed>) = 0 [pid 9736] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 9741 [pid 9736] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9738] <... futex resumed>) = 1 [pid 9738] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 9738] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9736] <... futex resumed>) = 0 [pid 9736] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9736] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9738] <... futex resumed>) = 1 [pid 9738] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 9738] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9736] <... futex resumed>) = 0 [pid 9736] exit_group(0) = ? ./strace-static-x86_64: Process 9740 attached ./strace-static-x86_64: Process 9741 attached [pid 9738] <... futex resumed>) = ? [pid 9740] set_robust_list(0x55556dd196a0, 24) = 0 [pid 9741] set_robust_list(0x55556dd196a0, 24 [pid 9740] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9741] <... set_robust_list resumed>) = 0 [pid 554] <... restart_syscall resumed>) = 0 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9741] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9740] <... prctl resumed>) = 0 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 9742 [pid 9738] +++ exited with 0 +++ [pid 9740] setpgid(0, 0 [pid 9736] +++ exited with 0 +++ [pid 9741] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 9739 attached [pid 9739] set_robust_list(0x55556dd196a0, 24) = 0 [pid 9739] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9740] <... setpgid resumed>) = 0 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9736, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9741] setpgid(0, 0 [pid 9739] <... prctl resumed>) = 0 [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 9739] setpgid(0, 0) = 0 [pid 9739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9740] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9739] write(3, "1000", 4) = 4 [pid 9739] close(3) = 0 [pid 9739] write(1, "executing program\n", 18executing program ) = 18 [pid 9739] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9739] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9739] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9739] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9739] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9739] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9739] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[9743]}, 88) = 9743 [pid 9739] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9739] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9740] <... openat resumed>) = 3 [pid 9739] <... futex resumed>) = 0 [pid 9739] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9743 attached [pid 9743] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9743] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9743] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9743] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9739] <... futex resumed>) = 0 [pid 9739] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9739] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9743] <... futex resumed>) = 1 [pid 9743] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 9743] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9739] <... futex resumed>) = 0 [pid 9739] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9739] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9742 attached [pid 9741] <... setpgid resumed>) = 0 [pid 9740] write(3, "1000", 4 [pid 9743] <... futex resumed>) = 1 [pid 9740] <... write resumed>) = 4 [pid 9743] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9741] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9740] close(3 [pid 9743] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9743] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9739] <... futex resumed>) = 0 [pid 9739] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000executing program ) = 0 [pid 9739] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9743] <... futex resumed>) = 1 [pid 9743] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 9743] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9740] <... close resumed>) = 0 [pid 9740] write(1, "executing program\n", 18) = 18 [pid 9739] <... futex resumed>) = 0 [pid 9741] <... openat resumed>) = 3 [pid 9740] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9741] write(3, "1000", 4 [pid 9740] <... futex resumed>) = 0 [pid 9739] exit_group(0 [pid 9740] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9741] <... write resumed>) = 4 [pid 9739] <... exit_group resumed>) = ? [pid 9740] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9741] close(3 [pid 9740] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9743] <... futex resumed>) = ? [pid 9740] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9741] <... close resumed>) = 0 [pid 9740] <... mmap resumed>) = 0x7f70b113b000 [pid 9741] write(1, "executing program\n", 18 [pid 9740] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITEexecuting program ) = 0 [pid 9741] <... write resumed>) = 18 [pid 9740] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9741] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9740] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9741] <... futex resumed>) = 0 [pid 9740] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9741] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9740] <... clone3 resumed> => {parent_tid=[9744]}, 88) = 9744 [pid 9741] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9740] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9741] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9740] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9741] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9740] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9741] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9743] +++ exited with 0 +++ [pid 9741] <... mmap resumed>) = 0x7f70b113b000 [pid 9739] +++ exited with 0 +++ [pid 9742] set_robust_list(0x55556dd196a0, 24 [pid 9741] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 9744 attached [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9739, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9741] <... mprotect resumed>) = 0 [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 9744] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9744] rt_sigprocmask(SIG_SETMASK, [], [pid 9741] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9744] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9744] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9744] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9740] <... futex resumed>) = 0 [pid 9740] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9740] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9744] <... futex resumed>) = 1 [pid 9744] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 9744] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9740] <... futex resumed>) = 0 [pid 9740] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9740] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9744] <... futex resumed>) = 1 [pid 9744] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 9744] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9740] <... futex resumed>) = 0 [pid 555] <... restart_syscall resumed>) = 0 [pid 9742] <... set_robust_list resumed>) = 0 [pid 9741] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9741] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9740] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9740] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9744] <... futex resumed>) = 1 [pid 9744] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 9744] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9740] <... futex resumed>) = 0 [pid 9740] exit_group(0) = ? [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 9745 [pid 9741] <... clone3 resumed> => {parent_tid=[9746]}, 88) = 9746 [pid 9742] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9741] rt_sigprocmask(SIG_SETMASK, [], [pid 9742] <... prctl resumed>) = 0 [pid 9741] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9742] setpgid(0, 0 [pid 9741] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9742] <... setpgid resumed>) = 0 [pid 9741] <... futex resumed>) = 0 [pid 9741] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9744] <... futex resumed>) = ? [pid 9742] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 9746 attached ) = 3 [pid 9742] write(3, "1000", 4 [pid 9746] set_robust_list(0x7f70b115b9a0, 24 [pid 9742] <... write resumed>) = 4 [pid 9746] <... set_robust_list resumed>) = 0 [pid 9742] close(3 [pid 9746] rt_sigprocmask(SIG_SETMASK, [], [pid 9742] <... close resumed>) = 0 [pid 9746] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9744] +++ exited with 0 +++ [pid 9740] +++ exited with 0 +++ [pid 9742] write(1, "executing program\n", 18executing program [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9740, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9742] <... write resumed>) = 18 [pid 552] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 9745 attached [pid 9745] set_robust_list(0x55556dd196a0, 24 [pid 9742] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9745] <... set_robust_list resumed>) = 0 [pid 9745] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9745] setpgid(0, 0 [pid 9742] <... futex resumed>) = 0 [pid 9745] <... setpgid resumed>) = 0 [pid 9745] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9742] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9746] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9742] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9742] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9745] <... openat resumed>) = 3 [pid 9742] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9746] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 552] <... restart_syscall resumed>) = 0 [pid 551] <... restart_syscall resumed>) = 0 executing program [pid 9742] <... mmap resumed>) = 0x7f70b113b000 [pid 9742] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9742] <... mprotect resumed>) = 0 [pid 9745] write(3, "1000", 4) = 4 [pid 9745] close(3) = 0 [pid 9745] write(1, "executing program\n", 18) = 18 [pid 9745] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9745] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9745] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9745] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 9747 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 9748 [pid 9745] <... mmap resumed>) = 0x7f70b113b000 [pid 9745] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9742] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9745] <... mprotect resumed>) = 0 [pid 9742] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9742] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9745] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9745] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9742] <... clone3 resumed> => {parent_tid=[9749]}, 88) = 9749 [pid 9742] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9742] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9742] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9745] <... clone3 resumed> => {parent_tid=[9750]}, 88) = 9750 [pid 9745] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9745] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9745] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9750 attached [pid 9746] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 9748 attached [pid 9748] set_robust_list(0x55556dd196a0, 24 [pid 9741] <... futex resumed>) = 0 [pid 9748] <... set_robust_list resumed>) = 0 [pid 9741] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9741] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9748] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9748] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 9747 attached [pid 9748] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9746] <... futex resumed>) = 1 [pid 9750] set_robust_list(0x7f70b115b9a0, 24./strace-static-x86_64: Process 9749 attached [pid 9748] <... openat resumed>) = 3 [pid 9748] write(3, "1000", 4) = 4 [pid 9748] close(3executing program ) = 0 [pid 9748] write(1, "executing program\n", 18) = 18 [pid 9748] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9746] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9748] <... futex resumed>) = 0 [pid 9748] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9748] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9748] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9748] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9748] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9748] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[9751]}, 88) = 9751 [pid 9748] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9748] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9748] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9751 attached [pid 9751] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9751] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9751] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9751] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9748] <... futex resumed>) = 0 [pid 9748] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9748] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9751] <... futex resumed>) = 1 [pid 9751] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 9746] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9751] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9746] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9748] <... futex resumed>) = 0 [pid 9748] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9746] <... futex resumed>) = 1 [pid 9750] <... set_robust_list resumed>) = 0 [pid 9741] <... futex resumed>) = 0 [pid 9748] <... futex resumed>) = 0 [pid 9746] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9741] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9750] rt_sigprocmask(SIG_SETMASK, [], [pid 9746] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9741] <... futex resumed>) = 0 [pid 9750] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9746] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9741] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9746] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9748] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9751] <... futex resumed>) = 1 [pid 9751] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9750] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9746] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9741] <... futex resumed>) = 0 [pid 9746] <... futex resumed>) = 1 [pid 9750] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9741] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9750] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9746] write(-1, "0x0000000000000001", 18 [pid 9741] <... futex resumed>) = 0 [pid 9751] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9746] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9741] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9750] <... futex resumed>) = 1 [pid 9746] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9741] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9750] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9746] <... futex resumed>) = 0 [pid 9741] exit_group(0 [pid 9746] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 (errno 18446744073709551414) [pid 9745] <... futex resumed>) = 0 [pid 9741] <... exit_group resumed>) = ? [pid 9746] +++ exited with 0 +++ [pid 9745] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9745] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9750] <... futex resumed>) = 0 [pid 9750] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 9750] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9745] <... futex resumed>) = 0 [pid 9745] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9745] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9750] <... futex resumed>) = 1 [pid 9741] +++ exited with 0 +++ [pid 9750] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9741, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9750] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 9750] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9745] <... futex resumed>) = 0 [pid 9745] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9745] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9750] <... futex resumed>) = 1 [pid 9750] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 9750] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9745] <... futex resumed>) = 0 [pid 9745] exit_group(0) = ? [pid 9749] set_robust_list(0x7f70b115b9a0, 24 [pid 9747] set_robust_list(0x55556dd196a0, 24 [pid 9750] <... futex resumed>) = ? [pid 9749] <... set_robust_list resumed>) = 0 [pid 9747] <... set_robust_list resumed>) = 0 [pid 9751] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9749] rt_sigprocmask(SIG_SETMASK, [], [pid 9751] <... futex resumed>) = 1 [pid 9748] <... futex resumed>) = 0 [pid 553] <... restart_syscall resumed>) = 0 [pid 9749] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9748] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9747] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9748] <... futex resumed>) = 0 [pid 9749] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9751] write(-1, "0x0000000000000001", 18 [pid 9748] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9747] <... prctl resumed>) = 0 [pid 9749] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9750] +++ exited with 0 +++ [pid 9745] +++ exited with 0 +++ [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9751] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9749] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9747] setpgid(0, 0 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9745, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9749] <... futex resumed>) = 1 [pid 9749] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9751] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9748] <... futex resumed>) = 0 ./strace-static-x86_64: Process 9752 attached [pid 9748] exit_group(0 [pid 9742] <... futex resumed>) = 0 [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 9752 [pid 9748] <... exit_group resumed>) = ? [pid 9742] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9752] set_robust_list(0x55556dd196a0, 24 [pid 9742] <... futex resumed>) = 1 [pid 9742] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9752] <... set_robust_list resumed>) = 0 [pid 9749] <... futex resumed>) = 0 [pid 9749] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 9747] <... setpgid resumed>) = 0 [pid 9751] <... futex resumed>) = ? [pid 9747] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9752] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9749] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9747] <... openat resumed>) = 3 [pid 9751] +++ exited with 0 +++ [pid 9748] +++ exited with 0 +++ [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9748, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 9742] <... futex resumed>) = 0 [pid 9742] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9742] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9749] <... futex resumed>) = 1 [pid 9749] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 9749] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9742] <... futex resumed>) = 0 [pid 9742] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9742] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9752] <... prctl resumed>) = 0 [pid 9749] <... futex resumed>) = 1 [pid 9752] setpgid(0, 0 [pid 9749] write(-1, "0x0000000000000001", 18 [pid 9752] <... setpgid resumed>) = 0 [pid 9752] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9749] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9747] write(3, "1000", 4 [pid 9749] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9747] <... write resumed>) = 4 [pid 9752] <... openat resumed>) = 3 [pid 9749] <... futex resumed>) = 1 [pid 9747] close(3 [pid 9742] <... futex resumed>) = 0 [pid 9752] write(3, "1000", 4 [pid 9749] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9747] <... close resumed>) = 0 [pid 9742] exit_group(0 [pid 9749] <... futex resumed>) = ? [pid 9747] write(1, "executing program\n", 18 [pid 9742] <... exit_group resumed>) = ? executing program executing program [pid 9752] <... write resumed>) = 4 [pid 9752] close(3) = 0 [pid 9752] write(1, "executing program\n", 18) = 18 [pid 9752] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9749] +++ exited with 0 +++ [pid 9742] +++ exited with 0 +++ [pid 9747] <... write resumed>) = 18 [pid 9752] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9742, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9747] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 9752] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9747] <... futex resumed>) = 0 [pid 9752] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9752] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9752] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9747] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9752] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9747] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9747] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9747] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9747] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9752] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9747] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9747] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9752] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9747] <... clone3 resumed> => {parent_tid=[9753]}, 88) = 9753 [pid 9747] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9747] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9747] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9753 attached [pid 9753] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9753] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9753] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9753] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9747] <... futex resumed>) = 0 [pid 9747] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9747] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9753] <... futex resumed>) = 1 [pid 9753] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 9753] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9747] <... futex resumed>) = 0 [pid 9747] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9747] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9753] <... futex resumed>) = 1 [pid 9753] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 9753] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9747] <... futex resumed>) = 0 [pid 9747] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9747] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9753] <... futex resumed>) = 1 [pid 9753] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 9753] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9747] <... futex resumed>) = 0 [pid 9747] exit_group(0) = ? [pid 9753] <... futex resumed>) = ? ./strace-static-x86_64: Process 9754 attached [pid 9754] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9754] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9754] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9752] <... clone3 resumed> => {parent_tid=[9754]}, 88) = 9754 [pid 555] <... restart_syscall resumed>) = 0 [pid 9752] rt_sigprocmask(SIG_SETMASK, [], [pid 554] <... restart_syscall resumed>) = 0 [pid 9752] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9752] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556dd19690) = 9755 [pid 9752] <... futex resumed>) = 1 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 9756 [pid 9752] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9755 attached [pid 9754] <... futex resumed>) = 0 [pid 9753] +++ exited with 0 +++ [pid 9747] +++ exited with 0 +++ [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9747, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 9755] set_robust_list(0x55556dd196a0, 24 [pid 552] <... restart_syscall resumed>) = 0 [pid 551] <... restart_syscall resumed>) = 0 [pid 9755] <... set_robust_list resumed>) = 0 [pid 9754] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9754] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9754] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 9756 attached [pid 9756] set_robust_list(0x55556dd196a0, 24) = 0 [pid 9756] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9756] setpgid(0, 0) = 0 [pid 9752] <... futex resumed>) = 0 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 9757 [pid 9755] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9752] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 9758 [pid 9755] <... prctl resumed>) = 0 [pid 9752] <... futex resumed>) = 1 [pid 9752] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9755] setpgid(0, 0 [pid 9754] <... futex resumed>) = 0 [pid 9754] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 9754] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9754] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9752] <... futex resumed>) = 0 [pid 9755] <... setpgid resumed>) = 0 [pid 9752] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9754] <... futex resumed>) = 0 [pid 9752] <... futex resumed>) = 1 [pid 9754] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 9752] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9754] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9755] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9754] <... futex resumed>) = 1 [pid 9752] <... futex resumed>) = 0 [pid 9754] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9752] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9754] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9752] <... futex resumed>) = 0 [pid 9755] <... openat resumed>) = 3 [pid 9752] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9755] write(3, "1000", 4 [pid 9754] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 9754] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9752] <... futex resumed>) = 0 [pid 9755] <... write resumed>) = 4 [pid 9752] exit_group(0 [pid 9754] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9756] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9752] <... exit_group resumed>) = ? [pid 9755] close(3 [pid 9754] <... futex resumed>) = ? [pid 9755] <... close resumed>) = 0 ./strace-static-x86_64: Process 9758 attached ./strace-static-x86_64: Process 9757 attached [pid 9756] <... openat resumed>) = 3 executing program [pid 9755] write(1, "executing program\n", 18 [pid 9754] +++ exited with 0 +++ [pid 9752] +++ exited with 0 +++ [pid 9755] <... write resumed>) = 18 [pid 9755] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9752, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9755] <... futex resumed>) = 0 [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 9755] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9755] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9755] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9758] set_robust_list(0x55556dd196a0, 24 [pid 9757] set_robust_list(0x55556dd196a0, 24 [pid 9756] write(3, "1000", 4 [pid 9755] <... mmap resumed>) = 0x7f70b113b000 [pid 9755] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9757] <... set_robust_list resumed>) = 0 [pid 9758] <... set_robust_list resumed>) = 0 [pid 9755] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9756] <... write resumed>) = 4 [pid 9755] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9755] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9757] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9755] <... clone3 resumed> => {parent_tid=[9759]}, 88) = 9759 [pid 9755] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9755] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9755] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9759 attached [pid 9759] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9759] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9759] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9759] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9755] <... futex resumed>) = 0 [pid 9755] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9755] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9759] <... futex resumed>) = 1 [pid 9759] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 9759] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9755] <... futex resumed>) = 0 [pid 9755] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9755] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9759] <... futex resumed>) = 1 [pid 9759] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 9758] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9757] <... prctl resumed>) = 0 [pid 9756] close(3 [pid 553] <... restart_syscall resumed>) = 0 [pid 9758] <... prctl resumed>) = 0 [pid 9757] setpgid(0, 0 [pid 9756] <... close resumed>) = 0 executing program [pid 9758] setpgid(0, 0 [pid 9757] <... setpgid resumed>) = 0 [pid 9756] write(1, "executing program\n", 18 [pid 9759] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9758] <... setpgid resumed>) = 0 [pid 9757] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9756] <... write resumed>) = 18 [pid 9755] <... futex resumed>) = 0 [pid 9757] <... openat resumed>) = 3 [pid 9755] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9758] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9757] write(3, "1000", 4 [pid 9756] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9759] write(-1, "0x0000000000000001", 18executing program ) = -1 EBADF (Bad file descriptor) [pid 9758] <... openat resumed>) = 3 [pid 9757] <... write resumed>) = 4 [pid 9756] <... futex resumed>) = 0 [pid 9755] <... futex resumed>) = 0 [pid 9757] close(3) = 0 [pid 9755] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9760 attached [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 9760 [pid 9757] write(1, "executing program\n", 18 [pid 9760] set_robust_list(0x55556dd196a0, 24 [pid 9757] <... write resumed>) = 18 [pid 9757] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9757] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9757] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9757] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9757] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9760] <... set_robust_list resumed>) = 0 [pid 9757] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9759] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9758] write(3, "1000", 4 [pid 9760] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9759] <... futex resumed>) = 1 [pid 9755] <... futex resumed>) = 0 [pid 9758] <... write resumed>) = 4 [pid 9755] exit_group(0 [pid 9760] <... prctl resumed>) = 0 [pid 9759] read(0, [pid 9755] <... exit_group resumed>) = ? [pid 9760] setpgid(0, 0 [pid 9757] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9760] <... setpgid resumed>) = 0 [pid 9757] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[9761]}, 88) = 9761 [pid 9757] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9757] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9757] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9759] +++ exited with 0 +++ [pid 9755] +++ exited with 0 +++ [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9755, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 9760] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9758] close(3 [pid 9756] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9756] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9756] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9756] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9756] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9760] <... openat resumed>) = 3 [pid 9758] <... close resumed>) = 0 [pid 9756] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9756] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9760] write(3, "1000", 4 [pid 9756] <... clone3 resumed> => {parent_tid=[9762]}, 88) = 9762 [pid 9758] write(1, "executing program\n", 18./strace-static-x86_64: Process 9761 attached [pid 9756] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9756] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9756] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9762 attached [pid 9762] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9762] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9762] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9762] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9756] <... futex resumed>) = 0 [pid 9756] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9756] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9762] <... futex resumed>) = 1 [pid 9762] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATHexecuting program ) = -1 ENOENT (No such file or directory) [pid 9762] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9756] <... futex resumed>) = 0 [pid 9756] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9756] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9760] <... write resumed>) = 4 executing program [pid 9758] <... write resumed>) = 18 [pid 9760] close(3 [pid 9762] <... futex resumed>) = 1 [pid 9760] <... close resumed>) = 0 [pid 9758] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9760] write(1, "executing program\n", 18 [pid 9762] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9760] <... write resumed>) = 18 [pid 9758] <... futex resumed>) = 0 [pid 9760] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9758] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9760] <... futex resumed>) = 0 [pid 9758] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9762] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9762] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9760] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9758] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9760] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9758] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9760] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9758] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9760] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9758] <... mmap resumed>) = 0x7f70b113b000 [pid 9760] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9758] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9760] <... mmap resumed>) = 0x7f70b113b000 [pid 9758] <... mprotect resumed>) = 0 [pid 9760] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9756] <... futex resumed>) = 0 [pid 9756] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9758] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9760] <... mprotect resumed>) = 0 [pid 9758] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9756] <... futex resumed>) = 0 [pid 9760] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9756] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9758] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9760] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9762] <... futex resumed>) = 1 [pid 9760] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9758] <... clone3 resumed> => {parent_tid=[9763]}, 88) = 9763 [pid 9758] rt_sigprocmask(SIG_SETMASK, [], [pid 9760] <... clone3 resumed> => {parent_tid=[9764]}, 88) = 9764 [pid 9758] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9760] rt_sigprocmask(SIG_SETMASK, [], [pid 9758] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9760] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9758] <... futex resumed>) = 0 [pid 9760] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9762] write(-1, "0x0000000000000001", 18 [pid 9760] <... futex resumed>) = 0 [pid 9758] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9760] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9762] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9762] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9756] <... futex resumed>) = 0 [pid 9756] exit_group(0) = ? [pid 9762] <... futex resumed>) = ? ./strace-static-x86_64: Process 9764 attached [pid 9761] set_robust_list(0x7f70b115b9a0, 24 [pid 9764] set_robust_list(0x7f70b115b9a0, 24 [pid 9761] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 9763 attached [pid 9761] rt_sigprocmask(SIG_SETMASK, [], [pid 9764] <... set_robust_list resumed>) = 0 [pid 9763] set_robust_list(0x7f70b115b9a0, 24 [pid 9762] +++ exited with 0 +++ [pid 9756] +++ exited with 0 +++ [pid 9761] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9761] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9761] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9757] <... futex resumed>) = 0 [pid 9761] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9757] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9757] <... futex resumed>) = 0 [pid 9761] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9757] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9761] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 554] <... restart_syscall resumed>) = 0 [pid 9761] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9757] <... futex resumed>) = 0 [pid 9764] rt_sigprocmask(SIG_SETMASK, [], [pid 9763] <... set_robust_list resumed>) = 0 [pid 9761] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9757] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9764] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9763] rt_sigprocmask(SIG_SETMASK, [], [pid 9761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9757] <... futex resumed>) = 0 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9756, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 9765 attached [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 9765] set_robust_list(0x55556dd196a0, 24 [pid 9764] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9763] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9761] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9757] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 555] <... restart_syscall resumed>) = 0 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 9765 [pid 9764] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9765] <... set_robust_list resumed>) = 0 [pid 9764] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9763] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9761] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9764] <... futex resumed>) = 1 [pid 9761] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9760] <... futex resumed>) = 0 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9765] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9764] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9763] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9761] <... futex resumed>) = 1 [pid 9760] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9757] <... futex resumed>) = 0 ./strace-static-x86_64: Process 9766 attached [pid 9764] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9760] <... futex resumed>) = 0 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 9766 [pid 9764] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9760] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9764] <... futex resumed>) = 0 [pid 9760] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9764] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9760] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9766] set_robust_list(0x55556dd196a0, 24 [pid 9765] <... prctl resumed>) = 0 [pid 9764] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9763] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9761] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9760] <... futex resumed>) = 0 [pid 9757] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9764] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9760] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9764] <... futex resumed>) = 0 [pid 9760] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9764] write(-1, "0x0000000000000001", 18 [pid 9761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9760] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9757] <... futex resumed>) = 0 [pid 9763] <... futex resumed>) = 1 [pid 9758] <... futex resumed>) = 0 [pid 9766] <... set_robust_list resumed>) = 0 [pid 9765] setpgid(0, 0 [pid 9764] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9760] <... futex resumed>) = 0 [pid 9758] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9764] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9760] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9758] <... futex resumed>) = 0 [pid 9764] <... futex resumed>) = 0 [pid 9760] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9758] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9764] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9760] exit_group(0 [pid 9764] <... futex resumed>) = ? [pid 9760] <... exit_group resumed>) = ? [pid 9766] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9765] <... setpgid resumed>) = 0 [pid 9764] +++ exited with 0 +++ [pid 9763] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9761] write(-1, "0x0000000000000001", 18 [pid 9760] +++ exited with 0 +++ [pid 9757] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9761] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9763] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9766] <... prctl resumed>) = 0 [pid 9765] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9763] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9761] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9760, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9761] <... futex resumed>) = 1 [pid 9757] <... futex resumed>) = 0 [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 9763] <... futex resumed>) = 1 [pid 9761] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9758] <... futex resumed>) = 0 [pid 9757] exit_group(0 [pid 9765] <... openat resumed>) = 3 [pid 9763] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9758] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9757] <... exit_group resumed>) = ? [pid 9761] <... futex resumed>) = ? [pid 9758] <... futex resumed>) = 0 [pid 9758] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9766] setpgid(0, 0) = 0 [pid 9766] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9766] write(3, "1000", 4 [pid 9761] +++ exited with 0 +++ [pid 9763] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9757] +++ exited with 0 +++ [pid 9763] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 executing program [pid 9765] write(3, "1000", 4 [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9757, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9766] <... write resumed>) = 4 [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 9765] <... write resumed>) = 4 [pid 9763] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9766] close(3) = 0 [pid 9766] write(1, "executing program\n", 18) = 18 [pid 9766] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9765] close(3 [pid 9763] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9766] <... futex resumed>) = 0 [pid 9766] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9766] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9766] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9765] <... close resumed>) = 0 [pid 9763] <... futex resumed>) = 1 [pid 9758] <... futex resumed>) = 0 [pid 9766] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9758] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9766] <... mprotect resumed>) = 0 [pid 9758] <... futex resumed>) = 0 [pid 9766] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9765] write(1, "executing program\n", 18 [pid 9763] write(-1, "0x0000000000000001", 18 [pid 9758] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} executing program [pid 9766] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9765] <... write resumed>) = 18 [pid 9763] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9766] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9765] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9763] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9765] <... futex resumed>) = 0 [pid 9765] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9763] <... futex resumed>) = 1 [pid 9758] <... futex resumed>) = 0 [pid 9766] <... clone3 resumed> => {parent_tid=[9767]}, 88) = 9767 [pid 9765] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9763] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9758] exit_group(0 [pid 9766] rt_sigprocmask(SIG_SETMASK, [], [pid 9765] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9763] <... futex resumed>) = ? [pid 9758] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 9767 attached [pid 9766] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9765] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9763] +++ exited with 0 +++ [pid 9758] +++ exited with 0 +++ [pid 9766] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9766] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9758, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 9767] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9767] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9767] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9767] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9766] <... futex resumed>) = 0 [pid 9767] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9765] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 552] <... restart_syscall resumed>) = 0 [pid 551] <... restart_syscall resumed>) = 0 [pid 9767] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9766] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9765] <... mmap resumed>) = 0x7f70b113b000 [pid 9767] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9766] <... futex resumed>) = 0 [pid 9765] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9767] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9766] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9765] <... mprotect resumed>) = 0 [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9767] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9765] rt_sigprocmask(SIG_BLOCK, ~[], [pid 553] <... restart_syscall resumed>) = 0 [pid 9767] <... futex resumed>) = 1 [pid 9766] <... futex resumed>) = 0 [pid 9765] <... rt_sigprocmask resumed>[], 8) = 0 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 9768 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 9769 ./strace-static-x86_64: Process 9769 attached [pid 9767] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9766] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9765] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9769] set_robust_list(0x55556dd196a0, 24 [pid 9767] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9766] <... futex resumed>) = 0 [pid 9767] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9766] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 9770 attached [pid 9769] <... set_robust_list resumed>) = 0 [pid 9767] <... futex resumed>) = 0 [pid 9766] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9765] <... clone3 resumed> => {parent_tid=[9770]}, 88) = 9770 [pid 9767] write(-1, "0x0000000000000001", 18 [pid 9766] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9767] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9766] <... futex resumed>) = 0 [pid 9767] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9766] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9767] <... futex resumed>) = 0 [pid 9766] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9765] rt_sigprocmask(SIG_SETMASK, [], [pid 9767] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9766] exit_group(0 [pid 9767] <... futex resumed>) = ? [pid 9766] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 9771 attached [pid 9770] set_robust_list(0x7f70b115b9a0, 24 [pid 9769] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9767] +++ exited with 0 +++ [pid 9766] +++ exited with 0 +++ [pid 9765] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 9771 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9766, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 555] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 9768 attached [pid 9768] set_robust_list(0x55556dd196a0, 24) = 0 [pid 9768] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9765] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9771] set_robust_list(0x55556dd196a0, 24 [pid 9770] <... set_robust_list resumed>) = 0 [pid 9769] <... prctl resumed>) = 0 [pid 9768] <... prctl resumed>) = 0 [pid 9768] setpgid(0, 0) = 0 [pid 9771] <... set_robust_list resumed>) = 0 [pid 9770] rt_sigprocmask(SIG_SETMASK, [], [pid 9769] setpgid(0, 0 [pid 9768] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9765] <... futex resumed>) = 0 [pid 9768] <... openat resumed>) = 3 [pid 9765] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9769] <... setpgid resumed>) = 0 [pid 9770] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9768] write(3, "1000", 4) = 4 [pid 9768] close(3) = 0 [pid 9768] write(1, "executing program\n", 18executing program ) = 18 [pid 9768] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9768] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9768] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9768] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9768] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9768] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9768] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[9772]}, 88) = 9772 [pid 9768] rt_sigprocmask(SIG_SETMASK, [], [pid 9769] <... openat resumed>) = 3 [pid 9768] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9768] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9768] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9769] write(3, "1000", 4./strace-static-x86_64: Process 9772 attached [pid 9772] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9772] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9772] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9769] <... write resumed>) = 4 [pid 9770] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9772] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9772] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9768] <... futex resumed>) = 0 [pid 9768] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9768] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9772] <... futex resumed>) = 1 [pid 9772] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9769] close(3 [pid 9770] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9769] <... close resumed>) = 0 executing program [pid 9769] write(1, "executing program\n", 18) = 18 [pid 9772] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9769] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9772] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9769] <... futex resumed>) = 0 [pid 9769] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9768] <... futex resumed>) = 0 [pid 9770] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9769] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9768] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9765] <... futex resumed>) = 0 [pid 9770] <... futex resumed>) = 1 [pid 9769] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9765] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9769] <... mmap resumed>) = 0x7f70b113b000 [pid 9765] <... futex resumed>) = 0 [pid 9770] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9769] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9765] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9769] <... mprotect resumed>) = 0 [pid 9768] <... futex resumed>) = 0 [pid 9768] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9769] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9770] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9769] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9770] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9769] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9772] <... futex resumed>) = 1 [pid 9772] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9765] <... futex resumed>) = 0 [pid 9769] <... clone3 resumed> => {parent_tid=[9773]}, 88) = 9773 [pid 9770] <... futex resumed>) = 1 [pid 9765] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9769] rt_sigprocmask(SIG_SETMASK, [], [pid 9765] <... futex resumed>) = 0 [pid 9770] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9769] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9765] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9769] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9770] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9769] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9770] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9765] <... futex resumed>) = 0 [pid 9772] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9765] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9770] write(-1, "0x0000000000000001", 18 [pid 9765] <... futex resumed>) = 0 [pid 9772] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9770] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9765] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9770] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9768] <... futex resumed>) = 0 [pid 9768] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9768] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9772] <... futex resumed>) = 1 [pid 9772] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 9772] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9768] <... futex resumed>) = 0 [pid 9771] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9770] <... futex resumed>) = 1 [pid 9768] exit_group(0 [pid 9765] <... futex resumed>) = 0 [pid 9768] <... exit_group resumed>) = ? [pid 9770] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9765] exit_group(0 [pid 9770] <... futex resumed>) = ? [pid 9765] <... exit_group resumed>) = ? [pid 555] <... restart_syscall resumed>) = 0 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9770] +++ exited with 0 +++ [pid 9765] +++ exited with 0 +++ [pid 9771] <... prctl resumed>) = 0 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 9774 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9765, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9771] setpgid(0, 0 [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 9772] <... futex resumed>) = ? [pid 9771] <... setpgid resumed>) = 0 [pid 9771] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9771] write(3, "1000", 4) = 4 [pid 9771] close(3 [pid 9772] +++ exited with 0 +++ [pid 9771] <... close resumed>) = 0 [pid 9768] +++ exited with 0 +++ executing program [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9768, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9771] write(1, "executing program\n", 18 [pid 552] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 9773 attached [pid 9771] <... write resumed>) = 18 [pid 9773] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9773] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9773] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9771] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9771] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, ./strace-static-x86_64: Process 9774 attached [pid 9774] set_robust_list(0x55556dd196a0, 24 [pid 9773] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9773] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9771] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9769] <... futex resumed>) = 0 [pid 9774] <... set_robust_list resumed>) = 0 [pid 9771] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9769] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9771] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9769] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9773] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9771] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9774] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9771] <... mmap resumed>) = 0x7f70b113b000 [pid 9773] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9773] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9769] <... futex resumed>) = 0 [pid 9771] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9769] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9774] <... prctl resumed>) = 0 [pid 9769] <... futex resumed>) = 0 [pid 9771] <... mprotect resumed>) = 0 [pid 9769] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9774] setpgid(0, 0 [pid 9773] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9771] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9773] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9774] <... setpgid resumed>) = 0 [pid 9771] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9773] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9771] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9773] <... futex resumed>) = 1 [pid 9769] <... futex resumed>) = 0 [pid 9769] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9771] <... clone3 resumed> => {parent_tid=[9775]}, 88) = 9775 [pid 9769] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9771] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9771] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9773] write(-1, "0x0000000000000001", 18 [pid 9771] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9773] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9773] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9769] <... futex resumed>) = 0 [pid 9769] exit_group(0) = ? [pid 9773] +++ exited with 0 +++ [pid 9774] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9774] write(3, "1000", 4) = 4 [pid 9769] +++ exited with 0 +++ [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9769, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 9774] close(3) = 0 [pid 9774] write(1, "executing program\n", 18) = 18 [pid 9774] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9774] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9774] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9774] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9774] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 9775 attached [pid 9775] set_robust_list(0x7f70b115b9a0, 24 [pid 9774] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9774] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[9776]}, 88) = 9776 [pid 9774] rt_sigprocmask(SIG_SETMASK, [], [pid 554] <... restart_syscall resumed>) = 0 [pid 9774] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9774] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9774] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 9776 attached [pid 9776] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9776] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9776] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 9777 [pid 9776] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9774] <... futex resumed>) = 0 [pid 9774] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9774] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9776] <... futex resumed>) = 1 [pid 9776] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 9776] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9774] <... futex resumed>) = 0 [pid 9774] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9774] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9775] <... set_robust_list resumed>) = 0 [pid 551] <... restart_syscall resumed>) = 0 [pid 9775] rt_sigprocmask(SIG_SETMASK, [], [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 9778 attached [pid 9775] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 552] <... restart_syscall resumed>) = 0 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 9778 [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9776] <... futex resumed>) = 1 [pid 9776] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 9776] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 9779 [pid 9774] <... futex resumed>) = 0 [pid 9774] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9774] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9776] <... futex resumed>) = 1 [pid 9776] write(-1, "0x0000000000000001", 18 [pid 9775] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9776] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9776] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9774] <... futex resumed>) = 0 [pid 9774] exit_group(0) = ? [pid 9776] <... futex resumed>) = ? [pid 9775] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9778] set_robust_list(0x55556dd196a0, 24 [pid 9775] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9778] <... set_robust_list resumed>) = 0 [pid 9775] <... futex resumed>) = 1 [pid 9771] <... futex resumed>) = 0 [pid 9775] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9771] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9775] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9771] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9775] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 9775] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9771] <... futex resumed>) = 0 [pid 9775] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9771] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9775] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9771] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9775] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 9779 attached [pid 9778] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9775] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9776] +++ exited with 0 +++ [pid 9775] <... futex resumed>) = 1 [pid 9774] +++ exited with 0 +++ [pid 9771] <... futex resumed>) = 0 [pid 9771] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9775] write(-1, "0x0000000000000001", 18 [pid 9771] <... futex resumed>) = 0 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9774, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9775] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9771] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 9775] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 9777 attached [pid 9777] set_robust_list(0x55556dd196a0, 24) = 0 [pid 9779] set_robust_list(0x55556dd196a0, 24 [pid 9778] <... prctl resumed>) = 0 [pid 9777] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9775] <... futex resumed>) = 1 [pid 9771] <... futex resumed>) = 0 [pid 9775] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9771] exit_group(0 [pid 9777] <... prctl resumed>) = 0 [pid 9771] <... exit_group resumed>) = ? [pid 9775] <... futex resumed>) = ? [pid 9777] setpgid(0, 0) = 0 [pid 9777] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9777] write(3, "1000", 4) = 4 [pid 9777] close(3 [pid 9775] +++ exited with 0 +++ [pid 9771] +++ exited with 0 +++ [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9771, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9777] <... close resumed>) = 0 [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 9778] setpgid(0, 0) = 0 executing program [pid 9777] write(1, "executing program\n", 18) = 18 [pid 9777] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9777] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9778] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9777] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9777] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9777] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9778] <... openat resumed>) = 3 [pid 9777] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9779] <... set_robust_list resumed>) = 0 [pid 9778] write(3, "1000", 4 [pid 9777] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9778] <... write resumed>) = 4 [pid 9779] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9778] close(3 [pid 9777] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9777] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[9780]}, 88) = 9780 [pid 9779] <... prctl resumed>) = 0 [pid 9778] <... close resumed>) = 0 [pid 9777] rt_sigprocmask(SIG_SETMASK, [], [pid 9779] setpgid(0, 0 [pid 9778] write(1, "executing program\n", 18 [pid 9777] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9777] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9777] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9780 attached executing program [pid 9780] set_robust_list(0x7f70b115b9a0, 24 [pid 9778] <... write resumed>) = 18 [pid 9780] <... set_robust_list resumed>) = 0 [pid 9778] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9779] <... setpgid resumed>) = 0 [pid 9780] rt_sigprocmask(SIG_SETMASK, [], [pid 9778] <... futex resumed>) = 0 [pid 9780] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9779] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9778] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9780] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9780] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9777] <... futex resumed>) = 0 [pid 9779] <... openat resumed>) = 3 [pid 9778] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9778] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9779] write(3, "1000", 4 [pid 9777] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9780] <... futex resumed>) = 1 [pid 9778] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9779] <... write resumed>) = 4 [pid 9778] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9777] <... futex resumed>) = 0 [pid 9778] <... mmap resumed>) = 0x7f70b113b000 executing program [pid 9779] close(3 [pid 9777] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9778] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9779] <... close resumed>) = 0 [pid 9778] <... mprotect resumed>) = 0 [pid 9780] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 555] <... restart_syscall resumed>) = 0 [pid 9778] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9779] write(1, "executing program\n", 18 [pid 9778] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9778] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9779] <... write resumed>) = 18 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9780] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9780] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9777] <... futex resumed>) = 0 [pid 9777] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 9782 [pid 9777] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9779] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9778] <... clone3 resumed> => {parent_tid=[9781]}, 88) = 9781 [pid 9779] <... futex resumed>) = 0 [pid 9778] rt_sigprocmask(SIG_SETMASK, [], [pid 9780] <... futex resumed>) = 1 [pid 9779] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9778] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9780] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9779] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9778] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 9782 attached [pid 9779] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9778] <... futex resumed>) = 0 [pid 9778] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9779] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9780] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9779] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9780] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9777] <... futex resumed>) = 0 [pid 9777] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9777] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9780] <... futex resumed>) = 1 [pid 9782] set_robust_list(0x55556dd196a0, 24 [pid 9779] <... mmap resumed>) = 0x7f70b113b000 [pid 553] <... restart_syscall resumed>) = 0 [pid 9779] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9780] write(-1, "0x0000000000000001", 18 [pid 9779] <... mprotect resumed>) = 0 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9780] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9780] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9777] <... futex resumed>) = 0 [pid 9777] exit_group(0) = ? [pid 9780] <... futex resumed>) = ? [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 9783 [pid 9779] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9782] <... set_robust_list resumed>) = 0 [pid 9779] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[9784]}, 88) = 9784 ./strace-static-x86_64: Process 9784 attached [pid 9782] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9779] rt_sigprocmask(SIG_SETMASK, [], [pid 9782] <... prctl resumed>) = 0 [pid 9784] set_robust_list(0x7f70b115b9a0, 24 [pid 9780] +++ exited with 0 +++ [pid 9777] +++ exited with 0 +++ [pid 9779] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9779] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9777, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9779] <... futex resumed>) = 0 [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 9779] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9781 attached [pid 9784] <... set_robust_list resumed>) = 0 [pid 9782] setpgid(0, 0 [pid 9781] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9781] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9781] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9781] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9782] <... setpgid resumed>) = 0 [pid 9778] <... futex resumed>) = 0 [pid 9781] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9778] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9782] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9778] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9781] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9781] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9782] <... openat resumed>) = 3 [pid 9781] <... futex resumed>) = 1 [pid 9778] <... futex resumed>) = 0 [pid 9782] write(3, "1000", 4 [pid 9778] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9782] <... write resumed>) = 4 [pid 9778] <... futex resumed>) = 0 [pid 9781] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9782] close(3 [pid 9778] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9781] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9782] <... close resumed>) = 0 [pid 9781] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9778] <... futex resumed>) = 0 [pid 9782] write(1, "executing program\n", 18 executing program [pid 9778] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9782] <... write resumed>) = 18 [pid 9778] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9782] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 9783 attached [pid 9781] write(-1, "0x0000000000000001", 18 [pid 9783] set_robust_list(0x55556dd196a0, 24 [pid 9781] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9781] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9782] <... futex resumed>) = 0 [pid 9778] <... futex resumed>) = 0 [pid 9783] <... set_robust_list resumed>) = 0 [pid 9778] exit_group(0 [pid 9782] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9778] <... exit_group resumed>) = ? [pid 9782] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9783] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9782] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9784] rt_sigprocmask(SIG_SETMASK, [], [pid 9782] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9783] <... prctl resumed>) = 0 [pid 9782] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 554] <... restart_syscall resumed>) = 0 [pid 9782] <... mmap resumed>) = 0x7f70b113b000 [pid 9782] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9782] <... mprotect resumed>) = 0 [pid 9783] setpgid(0, 0 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 9785 [pid 9783] <... setpgid resumed>) = 0 [pid 9782] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9782] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9783] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 9786 attached [pid 9784] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9782] <... clone3 resumed> => {parent_tid=[9786]}, 88) = 9786 [pid 9783] write(3, "1000", 4 [pid 9782] rt_sigprocmask(SIG_SETMASK, [], [pid 9784] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9782] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9784] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9782] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9784] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9783] <... write resumed>) = 4 [pid 9782] <... futex resumed>) = 0 [pid 9784] <... futex resumed>) = 1 [pid 9782] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9779] <... futex resumed>) = 0 [pid 9784] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9779] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9784] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9779] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9784] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9783] close(3 [pid 9784] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9783] <... close resumed>) = 0 [pid 9786] set_robust_list(0x7f70b115b9a0, 24 [pid 9784] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9781] +++ exited with 0 +++ [pid 9778] +++ exited with 0 +++ [pid 9783] write(1, "executing program\n", 18 [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9778, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9784] <... futex resumed>) = 1 [pid 9779] <... futex resumed>) = 0 [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 9784] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9779] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 9783] <... write resumed>) = 18 [pid 9779] <... futex resumed>) = 0 [pid 9784] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9779] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9784] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9783] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9783] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9783] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9783] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9783] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9779] <... futex resumed>) = 0 [pid 9784] <... futex resumed>) = 1 [pid 9779] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9784] write(-1, "0x0000000000000001", 18 [pid 9779] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9784] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9784] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9783] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9784] <... futex resumed>) = 1 [pid 9783] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9779] <... futex resumed>) = 0 [pid 9784] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9779] exit_group(0 [pid 9784] <... futex resumed>) = 231 [pid 9783] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9784] +++ exited with 0 +++ [pid 9779] <... exit_group resumed>) = ? [pid 9783] <... clone3 resumed> => {parent_tid=[9787]}, 88) = 9787 [pid 9783] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9783] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9783] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9785 attached [pid 9785] set_robust_list(0x55556dd196a0, 24 [pid 9779] +++ exited with 0 +++ [pid 9785] <... set_robust_list resumed>) = 0 [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9779, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9785] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 9785] <... prctl resumed>) = 0 [pid 9785] setpgid(0, 0) = 0 [pid 9786] <... set_robust_list resumed>) = 0 [pid 9785] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9786] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9785] <... openat resumed>) = 3 [pid 9785] write(3, "1000", 4 [pid 9786] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9785] <... write resumed>) = 4 [pid 9785] close(3) = 0 [pid 9785] write(1, "executing program\n", 18executing program ) = 18 [pid 9785] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9786] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9785] <... futex resumed>) = 0 [pid 9785] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9785] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9785] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9785] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9786] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9785] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9786] <... futex resumed>) = 1 [pid 9782] <... futex resumed>) = 0 [pid 9786] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9785] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9782] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9785] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9782] <... futex resumed>) = 0 [pid 9786] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9782] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9786] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9785] <... clone3 resumed> => {parent_tid=[9788]}, 88) = 9788 [pid 9785] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9785] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9785] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9782] <... futex resumed>) = 0 [pid 9786] <... futex resumed>) = 1 [pid 9782] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9786] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9782] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9787 attached [pid 9786] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9787] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9787] rt_sigprocmask(SIG_SETMASK, [], [pid 9786] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9787] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9787] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9782] <... futex resumed>) = 0 [pid 9786] <... futex resumed>) = 1 ./strace-static-x86_64: Process 9788 attached [pid 9782] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9787] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9786] write(-1, "0x0000000000000001", 18 [pid 9782] <... futex resumed>) = 0 [pid 9786] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9782] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9786] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9782] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9786] <... futex resumed>) = 0 [pid 9782] exit_group(0 [pid 9786] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9787] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9782] <... exit_group resumed>) = ? [pid 9786] <... futex resumed>) = ? [pid 9783] <... futex resumed>) = 0 [pid 9783] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9783] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9787] <... futex resumed>) = 1 [pid 9787] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 9787] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9783] <... futex resumed>) = 0 [pid 9783] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9783] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9786] +++ exited with 0 +++ [pid 9782] +++ exited with 0 +++ [pid 9787] <... futex resumed>) = 1 [pid 9787] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9782, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9787] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 9787] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9783] <... futex resumed>) = 0 [pid 9783] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9783] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9787] <... futex resumed>) = 1 [pid 9787] write(-1, "0x0000000000000001", 18 [pid 9788] set_robust_list(0x7f70b115b9a0, 24 [pid 9787] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9787] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9783] <... futex resumed>) = 0 [pid 9783] exit_group(0 [pid 9787] <... futex resumed>) = ? [pid 9783] <... exit_group resumed>) = ? [pid 9788] <... set_robust_list resumed>) = 0 [pid 9787] +++ exited with 0 +++ [pid 9783] +++ exited with 0 +++ [pid 555] <... restart_syscall resumed>) = 0 [pid 552] <... restart_syscall resumed>) = 0 [pid 551] <... restart_syscall resumed>) = 0 [pid 9788] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9788] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9783, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 9788] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9788] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9785] <... futex resumed>) = 0 [pid 9788] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9785] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9788] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9785] <... futex resumed>) = 0 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9788] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9785] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9788] <... futex resumed>) = 0 [pid 9785] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9788] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9785] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9788] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9785] <... futex resumed>) = 0 [pid 9788] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9785] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9788] <... futex resumed>) = 0 [pid 9785] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9788] write(-1, "0x0000000000000001", 18 [pid 9785] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 9789 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 9790 [pid 9788] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9785] <... futex resumed>) = 0 [pid 9788] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9785] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 9791 [pid 9788] <... futex resumed>) = 0 [pid 9785] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9788] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9785] exit_group(0 [pid 553] <... restart_syscall resumed>) = 0 [pid 9788] <... futex resumed>) = ? [pid 9785] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 9791 attached ./strace-static-x86_64: Process 9790 attached ./strace-static-x86_64: Process 9789 attached [pid 9788] +++ exited with 0 +++ [pid 9785] +++ exited with 0 +++ [pid 9791] set_robust_list(0x55556dd196a0, 24 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9785, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9791] <... set_robust_list resumed>) = 0 [pid 9791] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9791] setpgid(0, 0) = 0 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 9792 [pid 9791] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9790] set_robust_list(0x55556dd196a0, 24 [pid 9791] write(3, "1000", 4) = 4 [pid 9791] close(3) = 0 [pid 9791] write(1, "executing program\n", 18executing program ) = 18 [pid 9791] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9791] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9791] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9791] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9791] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9791] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9790] <... set_robust_list resumed>) = 0 [pid 9789] set_robust_list(0x55556dd196a0, 24 [pid 9791] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9791] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9789] <... set_robust_list resumed>) = 0 [pid 9790] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9789] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9791] <... clone3 resumed> => {parent_tid=[9793]}, 88) = 9793 [pid 9791] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9791] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9791] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9792 attached [pid 9790] <... prctl resumed>) = 0 [pid 9789] <... prctl resumed>) = 0 [pid 9792] set_robust_list(0x55556dd196a0, 24) = 0 [pid 9792] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9792] setpgid(0, 0) = 0 [pid 9790] setpgid(0, 0 [pid 9789] setpgid(0, 0 [pid 9792] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9790] <... setpgid resumed>) = 0 [pid 9789] <... setpgid resumed>) = 0 [pid 9792] <... openat resumed>) = 3 [pid 9789] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9792] write(3, "1000", 4 [pid 9790] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9792] <... write resumed>) = 4 [pid 9789] <... openat resumed>) = 3 [pid 9792] close(3executing program ) = 0 [pid 9790] <... openat resumed>) = 3 [pid 9789] write(3, "1000", 4 [pid 9790] write(3, "1000", 4 [pid 554] <... restart_syscall resumed>) = 0 [pid 9792] write(1, "executing program\n", 18 [pid 9790] <... write resumed>) = 4 [pid 9789] <... write resumed>) = 4 [pid 9792] <... write resumed>) = 18 [pid 9792] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9790] close(3 [pid 9789] close(3 [pid 9792] <... futex resumed>) = 0 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9790] <... close resumed>) = 0 [pid 9789] <... close resumed>) = 0 [pid 9792] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9792] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9792] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9792] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9790] write(1, "executing program\n", 18executing program executing program [pid 9789] write(1, "executing program\n", 18 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 9794 [pid 9792] <... mprotect resumed>) = 0 [pid 9790] <... write resumed>) = 18 [pid 9789] <... write resumed>) = 18 [pid 9792] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9790] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9789] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9790] <... futex resumed>) = 0 [pid 9789] <... futex resumed>) = 0 [pid 9790] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9789] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9790] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9789] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9790] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9789] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9790] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9789] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9790] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9789] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9790] <... mmap resumed>) = 0x7f70b113b000 [pid 9789] <... mmap resumed>) = 0x7f70b113b000 [pid 9790] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9789] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9792] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9790] <... mprotect resumed>) = 0 [pid 9789] <... mprotect resumed>) = 0 [pid 9792] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9790] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9789] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 9793 attached [pid 9792] <... clone3 resumed> => {parent_tid=[9795]}, 88) = 9795 [pid 9790] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9789] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9789] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9790] <... clone3 resumed> => {parent_tid=[9796]}, 88) = 9796 [pid 9793] set_robust_list(0x7f70b115b9a0, 24 [pid 9792] rt_sigprocmask(SIG_SETMASK, [], [pid 9790] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9789] <... clone3 resumed> => {parent_tid=[9797]}, 88) = 9797 [pid 9790] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9789] rt_sigprocmask(SIG_SETMASK, [], [pid 9790] <... futex resumed>) = 0 [pid 9789] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9790] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9789] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9793] <... set_robust_list resumed>) = 0 [pid 9792] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9789] <... futex resumed>) = 0 [pid 9793] rt_sigprocmask(SIG_SETMASK, [], [pid 9792] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9789] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9793] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9792] <... futex resumed>) = 0 ./strace-static-x86_64: Process 9797 attached ./strace-static-x86_64: Process 9796 attached ./strace-static-x86_64: Process 9794 attached [pid 9793] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9792] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9793] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9793] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9791] <... futex resumed>) = 0 [pid 9793] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9791] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9797] set_robust_list(0x7f70b115b9a0, 24 [pid 9796] set_robust_list(0x7f70b115b9a0, 24 [pid 9794] set_robust_list(0x55556dd196a0, 24 [pid 9793] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9791] <... futex resumed>) = 0 [pid 9793] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9791] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9793] <... futex resumed>) = 0 [pid 9791] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9793] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9791] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9793] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9791] <... futex resumed>) = 0 [pid 9793] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9791] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9793] <... futex resumed>) = 0 [pid 9791] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9793] write(-1, "0x0000000000000001", 18 [pid 9791] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9793] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9791] <... futex resumed>) = 0 [pid 9793] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9791] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9794] <... set_robust_list resumed>) = 0 [pid 9793] <... futex resumed>) = 0 [pid 9791] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9797] <... set_robust_list resumed>) = 0 [pid 9793] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9791] exit_group(0 [pid 9797] rt_sigprocmask(SIG_SETMASK, [], [pid 9794] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9793] <... futex resumed>) = ? [pid 9791] <... exit_group resumed>) = ? [pid 9797] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9796] <... set_robust_list resumed>) = 0 [pid 9794] <... prctl resumed>) = 0 [pid 9793] +++ exited with 0 +++ [pid 9791] +++ exited with 0 +++ [pid 9797] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9794] setpgid(0, 0 [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9791, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9797] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9794] <... setpgid resumed>) = 0 [pid 551] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 9795 attached [pid 9795] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9794] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9797] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9795] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9795] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9797] <... futex resumed>) = 1 [pid 9795] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9794] <... openat resumed>) = 3 [pid 9789] <... futex resumed>) = 0 [pid 9795] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9794] write(3, "1000", 4 [pid 9789] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9797] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9796] rt_sigprocmask(SIG_SETMASK, [], [pid 9794] <... write resumed>) = 4 [pid 9789] <... futex resumed>) = 0 [pid 9794] close(3 [pid 9792] <... futex resumed>) = 0 [pid 9789] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9797] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9796] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9794] <... close resumed>) = 0 [pid 9792] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9792] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9795] <... futex resumed>) = 1 [pid 9795] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 9795] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9792] <... futex resumed>) = 0 [pid 9797] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9796] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7executing program [pid 9795] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9794] write(1, "executing program\n", 18 [pid 9792] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9797] <... futex resumed>) = 1 [pid 9796] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9795] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9794] <... write resumed>) = 18 [pid 9792] <... futex resumed>) = 0 [pid 9789] <... futex resumed>) = 0 [pid 9797] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9796] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9795] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9794] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9792] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9789] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9797] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9796] <... futex resumed>) = 1 [pid 9795] <... futex resumed>) = 0 [pid 9794] <... futex resumed>) = 0 [pid 9792] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9790] <... futex resumed>) = 0 [pid 9789] <... futex resumed>) = 0 [pid 9797] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9796] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9795] write(-1, "0x0000000000000001", 18 [pid 9794] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9792] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9790] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9789] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9797] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9796] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9795] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9794] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9792] <... futex resumed>) = 0 [pid 9790] <... futex resumed>) = 0 [pid 9797] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9796] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9795] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9794] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9792] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9790] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9797] <... futex resumed>) = 1 [pid 9796] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9795] <... futex resumed>) = 0 [pid 9794] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9792] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9789] <... futex resumed>) = 0 [pid 9797] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9796] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9795] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9794] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9792] exit_group(0 [pid 9789] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9797] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9796] <... futex resumed>) = 1 [pid 9795] <... futex resumed>) = ? [pid 9794] <... mmap resumed>) = 0x7f70b113b000 [pid 9792] <... exit_group resumed>) = ? [pid 9790] <... futex resumed>) = 0 [pid 9789] <... futex resumed>) = 0 [pid 9797] write(-1, "0x0000000000000001", 18 [pid 9796] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9795] +++ exited with 0 +++ [pid 9794] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9792] +++ exited with 0 +++ [pid 9790] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9789] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9797] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9796] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9794] <... mprotect resumed>) = 0 [pid 9790] <... futex resumed>) = 0 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9792, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9797] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9796] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9794] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9790] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9789] <... futex resumed>) = 0 [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 9797] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9796] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9794] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9796] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9789] exit_group(0 [pid 9794] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9797] <... futex resumed>) = ? [pid 9796] <... futex resumed>) = 1 [pid 9790] <... futex resumed>) = 0 [pid 9789] <... exit_group resumed>) = ? [pid 9790] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9794] <... clone3 resumed> => {parent_tid=[9798]}, 88) = 9798 [pid 9790] <... futex resumed>) = 0 [pid 9794] rt_sigprocmask(SIG_SETMASK, [], [pid 9790] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 551] <... restart_syscall resumed>) = 0 [pid 9797] +++ exited with 0 +++ [pid 9794] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9789] +++ exited with 0 +++ ./strace-static-x86_64: Process 9798 attached [pid 9796] write(-1, "0x0000000000000001", 18 [pid 9794] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9789, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9798] set_robust_list(0x7f70b115b9a0, 24 [pid 9796] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9794] <... futex resumed>) = 0 [pid 9798] <... set_robust_list resumed>) = 0 [pid 9796] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9794] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9798] rt_sigprocmask(SIG_SETMASK, [], [pid 9796] <... futex resumed>) = 1 [pid 9790] <... futex resumed>) = 0 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9798] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9796] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9790] exit_group(0 [pid 9798] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9796] <... futex resumed>) = ? [pid 9790] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 9799 attached [pid 9796] +++ exited with 0 +++ [pid 9798] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9798] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9794] <... futex resumed>) = 0 [pid 9790] +++ exited with 0 +++ [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 9799 [pid 9799] set_robust_list(0x55556dd196a0, 24 [pid 9794] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9799] <... set_robust_list resumed>) = 0 [pid 9794] <... futex resumed>) = 0 [pid 9794] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9790, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9799] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9798] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 9798] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9798] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] <... restart_syscall resumed>) = 0 [pid 9798] <... futex resumed>) = 1 [pid 9794] <... futex resumed>) = 0 [pid 9794] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9798] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9794] <... futex resumed>) = 0 [pid 9794] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9798] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9798] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9798] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9799] <... prctl resumed>) = 0 [pid 9799] setpgid(0, 0 [pid 9794] <... futex resumed>) = 0 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 9800 [pid 9794] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9799] <... setpgid resumed>) = 0 [pid 9794] <... futex resumed>) = 1 [pid 9798] <... futex resumed>) = 0 [pid 9794] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9799] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9798] write(-1, "0x0000000000000001", 18 [pid 9799] <... openat resumed>) = 3 [pid 9798] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9799] write(3, "1000", 4) = 4 [pid 9799] close(3executing program ) = 0 [pid 9799] write(1, "executing program\n", 18) = 18 [pid 9799] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9799] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9799] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9798] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9799] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9798] <... futex resumed>) = 1 [pid 9794] <... futex resumed>) = 0 [pid 9799] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9794] exit_group(0 [pid 9798] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9794] <... exit_group resumed>) = ? [pid 9798] +++ exited with 0 +++ [pid 9799] <... mmap resumed>) = 0x7f70b113b000 [pid 9799] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9799] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9799] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9794] +++ exited with 0 +++ [pid 9799] <... clone3 resumed> => {parent_tid=[9801]}, 88) = 9801 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9794, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9799] rt_sigprocmask(SIG_SETMASK, [], [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 9799] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9799] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 9801 attached [pid 9799] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9801] set_robust_list(0x7f70b115b9a0, 24./strace-static-x86_64: Process 9800 attached ) = 0 [pid 9800] set_robust_list(0x55556dd196a0, 24) = 0 [pid 9800] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9801] rt_sigprocmask(SIG_SETMASK, [], [pid 9800] <... prctl resumed>) = 0 [pid 9800] setpgid(0, 0) = 0 [pid 9801] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9800] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9801] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9800] write(3, "1000", 4) = 4 [pid 9800] close(3) = 0 [pid 9800] write(1, "executing program\n", 18 [pid 9801] <... bpf resumed>, buf="cgroup", 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 9800] <... write resumed>) = 18 [pid 9800] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9800] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9800] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9800] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9800] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9801] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] <... restart_syscall resumed>) = 0 [pid 9800] <... mprotect resumed>) = 0 [pid 9800] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9800] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[9802]}, 88) = 9802 [pid 9800] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 9803 [pid 9800] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9800] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9802 attached [pid 9802] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9802] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9802] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9801] <... futex resumed>) = 1 [pid 9799] <... futex resumed>) = 0 [pid 9799] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9799] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9802] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9802] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9800] <... futex resumed>) = 0 [pid 9800] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 552] <... restart_syscall resumed>) = 0 [pid 9801] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9800] <... futex resumed>) = 0 [pid 9800] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9801] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9801] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9802] <... futex resumed>) = 1 [pid 9802] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 9802] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9800] <... futex resumed>) = 0 [pid 9800] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9800] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9802] <... futex resumed>) = 1 [pid 9802] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 9804 [pid 9801] <... futex resumed>) = 1 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 9805 [pid 9799] <... futex resumed>) = 0 [pid 9801] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9799] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9801] <... futex resumed>) = 0 [pid 9799] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9802] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9801] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9800] <... futex resumed>) = 0 [pid 9800] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 9804 attached ./strace-static-x86_64: Process 9803 attached [pid 9801] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9800] <... futex resumed>) = 0 [pid 9800] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9802] <... futex resumed>) = 1 [pid 9802] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 9802] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9800] <... futex resumed>) = 0 [pid 9800] exit_group(0) = ? [pid 9802] <... futex resumed>) = ? [pid 9801] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9799] <... futex resumed>) = 0 [pid 9801] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9799] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9801] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9799] <... futex resumed>) = 0 [pid 9799] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9801] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 9801] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9799] <... futex resumed>) = 0 [pid 9801] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9799] exit_group(0 [pid 9801] <... futex resumed>) = ? [pid 9799] <... exit_group resumed>) = ? [pid 9804] set_robust_list(0x55556dd196a0, 24 [pid 9803] set_robust_list(0x55556dd196a0, 24 [pid 9801] +++ exited with 0 +++ [pid 9799] +++ exited with 0 +++ [pid 9803] <... set_robust_list resumed>) = 0 [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9799, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 9803] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9804] <... set_robust_list resumed>) = 0 [pid 9803] setpgid(0, 0 [pid 9804] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9803] <... setpgid resumed>) = 0 [pid 9804] <... prctl resumed>) = 0 [pid 9803] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9802] +++ exited with 0 +++ [pid 9800] +++ exited with 0 +++ [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9800, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 553] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 9805 attached [pid 9803] <... openat resumed>) = 3 [pid 9805] set_robust_list(0x55556dd196a0, 24) = 0 [pid 9805] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9803] write(3, "1000", 4 [pid 9804] setpgid(0, 0 [pid 9805] <... prctl resumed>) = 0 [pid 9805] setpgid(0, 0 [pid 9804] <... setpgid resumed>) = 0 [pid 9803] <... write resumed>) = 4 [pid 9805] <... setpgid resumed>) = 0 [pid 9805] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9803] close(3 [pid 9804] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9803] <... close resumed>) = 0 executing program [pid 9805] <... openat resumed>) = 3 [pid 9805] write(3, "1000", 4 [pid 9803] write(1, "executing program\n", 18 [pid 9805] <... write resumed>) = 4 executing program [pid 9804] <... openat resumed>) = 3 [pid 9803] <... write resumed>) = 18 [pid 9805] close(3) = 0 [pid 9805] write(1, "executing program\n", 18) = 18 [pid 9805] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9805] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9803] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9805] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9805] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9805] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9805] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9803] <... futex resumed>) = 0 [pid 9804] write(3, "1000", 4 [pid 9805] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9803] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, executing program [pid 9804] <... write resumed>) = 4 [pid 9803] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9805] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9804] close(3 [pid 9803] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9804] <... close resumed>) = 0 [pid 9803] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9804] write(1, "executing program\n", 18 [pid 9803] <... mmap resumed>) = 0x7f70b113b000 [pid 9804] <... write resumed>) = 18 [pid 9803] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9804] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9803] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9804] <... futex resumed>) = 0 [pid 9803] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9805] <... clone3 resumed> => {parent_tid=[9806]}, 88) = 9806 [pid 9804] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9803] <... clone3 resumed> => {parent_tid=[9807]}, 88) = 9807 [pid 9805] rt_sigprocmask(SIG_SETMASK, [], [pid 9803] rt_sigprocmask(SIG_SETMASK, [], [pid 9804] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9803] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9805] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9804] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9803] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9805] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9804] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9803] <... futex resumed>) = 0 [pid 9805] <... futex resumed>) = 0 [pid 9803] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9804] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9805] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9806 attached [pid 9806] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9806] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9806] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7./strace-static-x86_64: Process 9807 attached [pid 9804] <... mmap resumed>) = 0x7f70b113b000 [pid 9806] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9806] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9805] <... futex resumed>) = 0 [pid 9805] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9805] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9806] <... futex resumed>) = 1 [pid 9804] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9806] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 551] <... restart_syscall resumed>) = 0 [pid 9804] <... mprotect resumed>) = 0 [pid 9806] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9806] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9805] <... futex resumed>) = 0 [pid 9805] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9805] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9806] <... futex resumed>) = 1 [pid 9806] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 9806] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9804] rt_sigprocmask(SIG_BLOCK, ~[], [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 9808 [pid 9804] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9804] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9805] <... futex resumed>) = 0 [pid 9805] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9805] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9804] <... clone3 resumed> => {parent_tid=[9809]}, 88) = 9809 [pid 9804] rt_sigprocmask(SIG_SETMASK, [], [pid 9806] <... futex resumed>) = 1 [pid 9804] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9804] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9806] write(-1, "0x0000000000000001", 18 [pid 9804] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 553] <... restart_syscall resumed>) = 0 [pid 9806] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9806] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9805] <... futex resumed>) = 0 [pid 9805] exit_group(0 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9805] <... exit_group resumed>) = ? [pid 9806] <... futex resumed>) = ? [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 9810 ./strace-static-x86_64: Process 9809 attached [pid 9807] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9809] set_robust_list(0x7f70b115b9a0, 24 [pid 9807] rt_sigprocmask(SIG_SETMASK, [], [pid 9809] <... set_robust_list resumed>) = 0 [pid 9807] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9809] rt_sigprocmask(SIG_SETMASK, [], [pid 9806] +++ exited with 0 +++ [pid 9807] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9805] +++ exited with 0 +++ [pid 9809] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9807] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9807] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9805, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9807] <... futex resumed>) = 1 [pid 9803] <... futex resumed>) = 0 [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 9803] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9807] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9803] <... futex resumed>) = 0 [pid 9803] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9807] <... openat resumed>) = -1 ENOENT (No such file or directory) ./strace-static-x86_64: Process 9808 attached [pid 9808] set_robust_list(0x55556dd196a0, 24) = 0 [pid 9808] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 9810 attached [pid 9809] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9807] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9810] set_robust_list(0x55556dd196a0, 24 [pid 9807] <... futex resumed>) = 1 [pid 9803] <... futex resumed>) = 0 [pid 9810] <... set_robust_list resumed>) = 0 [pid 9807] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9803] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9803] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9807] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9810] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9809] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9807] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9808] setpgid(0, 0) = 0 [pid 9810] <... prctl resumed>) = 0 [pid 9807] <... futex resumed>) = 1 [pid 9809] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9803] <... futex resumed>) = 0 [pid 9807] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9803] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9807] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9803] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9810] setpgid(0, 0) = 0 [pid 9807] write(-1, "0x0000000000000001", 18 [pid 9810] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9807] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9804] <... futex resumed>) = 0 [pid 9808] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9807] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9804] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9810] <... openat resumed>) = 3 [pid 9809] <... futex resumed>) = 1 [pid 9804] <... futex resumed>) = 0 executing program executing program [pid 555] <... restart_syscall resumed>) = 0 [pid 9803] <... futex resumed>) = 0 [pid 9807] <... futex resumed>) = 1 [pid 9804] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9807] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9803] exit_group(0) = ? [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9807] <... futex resumed>) = ? [pid 9808] <... openat resumed>) = 3 [pid 9808] write(3, "1000", 4) = 4 [pid 9808] close(3) = 0 [pid 9810] write(3, "1000", 4 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 9811 [pid 9810] <... write resumed>) = 4 [pid 9808] write(1, "executing program\n", 18) = 18 [pid 9810] close(3) = 0 [pid 9808] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9810] write(1, "executing program\n", 18 [pid 9808] <... futex resumed>) = 0 [pid 9810] <... write resumed>) = 18 [pid 9808] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9807] +++ exited with 0 +++ [pid 9803] +++ exited with 0 +++ [pid 9808] <... rt_sigaction resumed>NULL, 8) = 0 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9803, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9808] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 9810] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9808] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9810] <... futex resumed>) = 0 [pid 9808] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9810] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, ./strace-static-x86_64: Process 9811 attached NULL, 8) = 0 [pid 9809] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9808] <... mmap resumed>) = 0x7f70b113b000 [pid 9811] set_robust_list(0x55556dd196a0, 24 [pid 9810] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9811] <... set_robust_list resumed>) = 0 [pid 9809] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9808] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9810] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9810] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9810] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9809] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9810] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9810] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[9812]}, 88) = 9812 [pid 9809] <... futex resumed>) = 1 [pid 9804] <... futex resumed>) = 0 [pid 9804] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9804] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9810] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9810] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9810] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9809] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000./strace-static-x86_64: Process 9812 attached [pid 9812] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9812] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9812] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9812] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9810] <... futex resumed>) = 0 [pid 9809] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9810] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9810] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9812] <... futex resumed>) = 1 [pid 9812] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 9812] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9810] <... futex resumed>) = 0 [pid 9810] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9810] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9812] <... futex resumed>) = 1 [pid 9812] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 9812] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9810] <... futex resumed>) = 0 [pid 9810] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9810] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9812] <... futex resumed>) = 1 [pid 9812] write(-1, "0x0000000000000001", 18 [pid 9809] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9808] <... mprotect resumed>) = 0 [pid 9812] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9812] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9810] <... futex resumed>) = 0 [pid 9809] <... futex resumed>) = 1 [pid 9804] <... futex resumed>) = 0 [pid 9809] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9810] exit_group(0 [pid 9808] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9804] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9811] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9808] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9810] <... exit_group resumed>) = ? [pid 9809] <... futex resumed>) = 0 [pid 9808] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9811] <... prctl resumed>) = 0 [pid 9804] <... futex resumed>) = 1 [pid 9809] write(-1, "0x0000000000000001", 18 [pid 9811] setpgid(0, 0 [pid 9809] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9804] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9811] <... setpgid resumed>) = 0 [pid 9809] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9808] <... clone3 resumed> => {parent_tid=[9813]}, 88) = 9813 [pid 9809] <... futex resumed>) = 0 [pid 9809] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9808] rt_sigprocmask(SIG_SETMASK, [], [pid 9804] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9811] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9808] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9804] exit_group(0) = ? [pid 9809] <... futex resumed>) = ? [pid 9808] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9809] +++ exited with 0 +++ ./strace-static-x86_64: Process 9813 attached [pid 9812] <... futex resumed>) = ? [pid 9811] <... openat resumed>) = 3 [pid 9808] <... futex resumed>) = 0 [pid 9808] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9804] +++ exited with 0 +++ [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9804, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 9811] write(3, "1000", 4 [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 9811] <... write resumed>) = 4 [pid 9811] close(3) = 0 [pid 9811] write(1, "executing program\n", 18) = 18 [pid 9811] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9811] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9811] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9811] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9811] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9813] set_robust_list(0x7f70b115b9a0, 24 [pid 9811] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9811] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9812] +++ exited with 0 +++ [pid 9810] +++ exited with 0 +++ [pid 9811] <... clone3 resumed> => {parent_tid=[9814]}, 88) = 9814 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9810, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9811] rt_sigprocmask(SIG_SETMASK, [], [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 9811] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9811] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9811] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9813] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 9814 attached [pid 9814] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9814] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9814] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9813] rt_sigprocmask(SIG_SETMASK, [], [pid 9814] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] <... restart_syscall resumed>) = 0 [pid 554] <... restart_syscall resumed>) = 0 [pid 552] <... restart_syscall resumed>) = 0 [pid 9811] <... futex resumed>) = 0 [pid 9811] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9811] <... futex resumed>) = 0 [pid 9811] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9814] <... futex resumed>) = 1 [pid 9814] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 9814] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9811] <... futex resumed>) = 0 [pid 9811] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9811] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9814] <... futex resumed>) = 1 [pid 9814] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 9814] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9811] <... futex resumed>) = 0 [pid 9811] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9811] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 9815 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 9817 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 9816 [pid 9814] <... futex resumed>) = 1 [pid 9814] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 9814] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9811] <... futex resumed>) = 0 ./strace-static-x86_64: Process 9817 attached ./strace-static-x86_64: Process 9816 attached ./strace-static-x86_64: Process 9815 attached [pid 9814] <... futex resumed>) = 1 [pid 9813] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9811] exit_group(0) = ? [pid 9813] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9816] set_robust_list(0x55556dd196a0, 24 [pid 9817] set_robust_list(0x55556dd196a0, 24) = 0 [pid 9817] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9813] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9817] <... prctl resumed>) = 0 [pid 9813] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9817] setpgid(0, 0 [pid 9813] <... futex resumed>) = 1 [pid 9808] <... futex resumed>) = 0 [pid 9808] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9808] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9817] <... setpgid resumed>) = 0 [pid 9816] <... set_robust_list resumed>) = 0 [pid 9817] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9815] set_robust_list(0x55556dd196a0, 24 [pid 9813] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9816] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9816] setpgid(0, 0) = 0 [pid 9813] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9816] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9813] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9817] <... openat resumed>) = 3 [pid 9813] <... futex resumed>) = 1 [pid 9808] <... futex resumed>) = 0 [pid 9808] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9808] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9816] <... openat resumed>) = 3 [pid 9816] write(3, "1000", 4 [pid 9813] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9817] write(3, "1000", 4 [pid 9813] <... openat resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 9816] <... write resumed>) = 4 [pid 9816] close(3) = 0 [pid 9816] write(1, "executing program\n", 18) = 18 [pid 9816] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9813] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9817] <... write resumed>) = 4 [pid 9813] <... futex resumed>) = 1 [pid 9808] <... futex resumed>) = 0 [pid 9817] close(3executing program [pid 9813] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9808] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9817] <... close resumed>) = 0 [pid 9813] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9808] <... futex resumed>) = 0 [pid 9808] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9817] write(1, "executing program\n", 18 [pid 9813] write(-1, "0x0000000000000001", 18 [pid 9816] <... futex resumed>) = 0 [pid 9813] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9817] <... write resumed>) = 18 [pid 9813] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9816] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9813] <... futex resumed>) = 1 [pid 9808] <... futex resumed>) = 0 [pid 9817] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9813] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9808] exit_group(0 [pid 9817] <... futex resumed>) = 0 [pid 9813] <... futex resumed>) = ? [pid 9808] <... exit_group resumed>) = ? [pid 9817] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9816] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9815] <... set_robust_list resumed>) = 0 [pid 9814] +++ exited with 0 +++ [pid 9811] +++ exited with 0 +++ [pid 9813] +++ exited with 0 +++ [pid 9808] +++ exited with 0 +++ [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9811, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9808, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 9817] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9817] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9817] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9817] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9817] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9816] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9815] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9816] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9815] <... prctl resumed>) = 0 [pid 9817] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9817] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[9818]}, 88) = 9818 [pid 9817] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9816] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9815] setpgid(0, 0 [pid 9817] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9817] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9818 attached [pid 9818] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9818] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9818] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9818] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9817] <... futex resumed>) = 0 [pid 9817] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9817] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9818] <... futex resumed>) = 1 [pid 9818] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 9818] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9817] <... futex resumed>) = 0 [pid 9817] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9816] <... mmap resumed>) = 0x7f70b113b000 [pid 9815] <... setpgid resumed>) = 0 [pid 9816] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9817] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9818] <... futex resumed>) = 1 [pid 9818] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9816] <... mprotect resumed>) = 0 [pid 9818] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9818] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9815] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9817] <... futex resumed>) = 0 [pid 9816] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9817] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] <... restart_syscall resumed>) = 0 [pid 9816] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9815] <... openat resumed>) = 3 [pid 9816] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9817] <... futex resumed>) = 0 [pid 9815] write(3, "1000", 4 [pid 9816] <... clone3 resumed> => {parent_tid=[9819]}, 88) = 9819 [pid 9815] <... write resumed>) = 4 [pid 9816] rt_sigprocmask(SIG_SETMASK, [], [pid 9817] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9816] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9815] close(3 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9816] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9815] <... close resumed>) = 0 [pid 9816] <... futex resumed>) = 0 executing program ./strace-static-x86_64: Process 9819 attached [pid 9818] <... futex resumed>) = 1 [pid 9816] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9815] write(1, "executing program\n", 18) = 18 [pid 9815] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 9820 [pid 555] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 9820 attached [pid 9815] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9815] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9815] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9815] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 9821 [pid 9815] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9815] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[9822]}, 88) = 9822 [pid 9820] set_robust_list(0x55556dd196a0, 24./strace-static-x86_64: Process 9822 attached ./strace-static-x86_64: Process 9821 attached [pid 9815] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9815] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9815] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9818] write(-1, "0x0000000000000001", 18 [pid 9822] set_robust_list(0x7f70b115b9a0, 24 [pid 9821] set_robust_list(0x55556dd196a0, 24 [pid 9820] <... set_robust_list resumed>) = 0 [pid 9819] set_robust_list(0x7f70b115b9a0, 24 [pid 9818] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9818] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9817] <... futex resumed>) = 0 [pid 9817] exit_group(0) = ? [pid 9818] <... futex resumed>) = ? [pid 9820] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9821] <... set_robust_list resumed>) = 0 [pid 9822] <... set_robust_list resumed>) = 0 [pid 9819] <... set_robust_list resumed>) = 0 [pid 9822] rt_sigprocmask(SIG_SETMASK, [], [pid 9821] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9820] setpgid(0, 0 [pid 9819] rt_sigprocmask(SIG_SETMASK, [], [pid 9820] <... setpgid resumed>) = 0 [pid 9821] <... prctl resumed>) = 0 [pid 9822] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9819] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9821] setpgid(0, 0 [pid 9818] +++ exited with 0 +++ [pid 9817] +++ exited with 0 +++ [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9817, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 9822] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9822] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9815] <... futex resumed>) = 0 [pid 9815] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9815] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9822] <... futex resumed>) = 1 [pid 9822] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 9822] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9815] <... futex resumed>) = 0 [pid 9815] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9815] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9822] <... futex resumed>) = 1 [pid 9822] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 9822] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9815] <... futex resumed>) = 0 [pid 9815] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9815] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9822] <... futex resumed>) = 1 [pid 9822] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 9822] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9820] <... openat resumed>) = 3 [pid 9815] <... futex resumed>) = 0 [pid 9815] exit_group(0) = ? [pid 9821] <... setpgid resumed>) = 0 [pid 9820] write(3, "1000", 4 [pid 9819] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9822] <... futex resumed>) = ? [pid 9822] +++ exited with 0 +++ [pid 9821] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9820] <... write resumed>) = 4 [pid 9819] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9815] +++ exited with 0 +++ [pid 9821] <... openat resumed>) = 3 [pid 9820] close(3 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9815, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9821] write(3, "1000", 4 [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 9820] <... close resumed>) = 0 executing program executing program [pid 9821] <... write resumed>) = 4 [pid 9820] write(1, "executing program\n", 18 [pid 9819] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9821] close(3) = 0 [pid 9820] <... write resumed>) = 18 [pid 9821] write(1, "executing program\n", 18) = 18 [pid 9820] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9821] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9821] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9821] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9821] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9821] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9820] <... futex resumed>) = 0 [pid 9819] <... futex resumed>) = 1 [pid 9820] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9816] <... futex resumed>) = 0 [pid 9821] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9820] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9819] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9816] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9821] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9820] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9816] <... futex resumed>) = 0 [pid 9821] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9820] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9819] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9816] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9820] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9819] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9820] <... mmap resumed>) = 0x7f70b113b000 [pid 9821] <... clone3 resumed> => {parent_tid=[9823]}, 88) = 9823 [pid 9820] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9819] <... futex resumed>) = 1 [pid 9816] <... futex resumed>) = 0 [pid 9821] rt_sigprocmask(SIG_SETMASK, [], [pid 9820] <... mprotect resumed>) = 0 [pid 9816] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9821] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9816] <... futex resumed>) = 0 [pid 9821] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9820] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9819] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9816] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9821] <... futex resumed>) = 0 [pid 9820] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9820] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9821] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9823 attached [pid 9819] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9820] <... clone3 resumed> => {parent_tid=[9824]}, 88) = 9824 [pid 9819] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] <... restart_syscall resumed>) = 0 [pid 9820] rt_sigprocmask(SIG_SETMASK, [], [pid 9816] <... futex resumed>) = 0 [pid 553] <... restart_syscall resumed>) = 0 [pid 9819] <... futex resumed>) = 1 [pid 9820] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9816] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9823] set_robust_list(0x7f70b115b9a0, 24 [pid 9816] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9820] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9819] write(-1, "0x0000000000000001", 18 [pid 9820] <... futex resumed>) = 0 [pid 9823] <... set_robust_list resumed>) = 0 [pid 9823] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9823] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9823] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9821] <... futex resumed>) = 0 [pid 9821] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9821] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 9825 [pid 9820] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9819] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 9826 [pid 9823] <... futex resumed>) = 1 [pid 9819] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9823] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 9823] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9821] <... futex resumed>) = 0 [pid 9821] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 9825 attached ) = 0 [pid 9819] <... futex resumed>) = 1 [pid 9816] <... futex resumed>) = 0 [pid 9821] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9819] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9816] exit_group(0 [pid 9823] <... futex resumed>) = 1 [pid 9819] <... futex resumed>) = 1 [pid 9816] <... exit_group resumed>) = ? [pid 9823] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 9823] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9821] <... futex resumed>) = 0 [pid 9821] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9821] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9823] <... futex resumed>) = 1 [pid 9823] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 9823] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9819] +++ exited with 0 +++ [pid 9816] +++ exited with 0 +++ [pid 9821] <... futex resumed>) = 0 [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9816, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9821] exit_group(0 [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 9821] <... exit_group resumed>) = ? [pid 9823] <... futex resumed>) = ? [pid 9825] set_robust_list(0x55556dd196a0, 24 [pid 9823] +++ exited with 0 +++ [pid 9821] +++ exited with 0 +++ [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9821, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 555] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 9826 attached [pid 9826] set_robust_list(0x55556dd196a0, 24 [pid 9825] <... set_robust_list resumed>) = 0 [pid 9826] <... set_robust_list resumed>) = 0 [pid 9826] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9826] setpgid(0, 0 [pid 9825] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9826] <... setpgid resumed>) = 0 [pid 9825] <... prctl resumed>) = 0 [pid 9826] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9825] setpgid(0, 0 [pid 9826] <... openat resumed>) = 3 [pid 9826] write(3, "1000", 4) = 4 [pid 9826] close(3) = 0 [pid 9826] write(1, "executing program\n", 18executing program ) = 18 [pid 9826] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9825] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 9824 attached [pid 555] <... restart_syscall resumed>) = 0 [pid 552] <... restart_syscall resumed>) = 0 [pid 9825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 9827 attached [pid 9826] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9825] <... openat resumed>) = 3 [pid 9824] set_robust_list(0x7f70b115b9a0, 24 [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 9827 [pid 9826] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9825] write(3, "1000", 4 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 9828 [pid 9824] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 9828 attached [pid 9827] set_robust_list(0x55556dd196a0, 24 [pid 9826] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9825] <... write resumed>) = 4 [pid 9824] rt_sigprocmask(SIG_SETMASK, [], executing program [pid 9826] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9825] close(3 [pid 9824] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9826] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9825] <... close resumed>) = 0 [pid 9826] <... mmap resumed>) = 0x7f70b113b000 [pid 9825] write(1, "executing program\n", 18 [pid 9828] set_robust_list(0x55556dd196a0, 24 [pid 9826] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9825] <... write resumed>) = 18 [pid 9824] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9826] <... mprotect resumed>) = 0 [pid 9825] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9827] <... set_robust_list resumed>) = 0 [pid 9824] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9828] <... set_robust_list resumed>) = 0 [pid 9826] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9825] <... futex resumed>) = 0 [pid 9826] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9825] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9824] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9827] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9826] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9825] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9824] <... futex resumed>) = 1 [pid 9820] <... futex resumed>) = 0 [pid 9828] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9827] <... prctl resumed>) = 0 [pid 9825] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9824] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9820] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9827] setpgid(0, 0 [pid 9826] <... clone3 resumed> => {parent_tid=[9829]}, 88) = 9829 [pid 9825] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9820] <... futex resumed>) = 0 [pid 9826] rt_sigprocmask(SIG_SETMASK, [], [pid 9824] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9827] <... setpgid resumed>) = 0 [pid 9826] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9825] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9824] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9820] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9826] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9825] <... mmap resumed>) = 0x7f70b113b000 [pid 9824] <... futex resumed>) = 0 [pid 9827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9826] <... futex resumed>) = 0 [pid 9825] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9824] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9820] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9826] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9825] <... mprotect resumed>) = 0 [pid 9820] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9828] <... prctl resumed>) = 0 [pid 9828] setpgid(0, 0 [pid 9825] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9820] <... futex resumed>) = 1 [pid 9825] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9824] <... futex resumed>) = 0 [pid 9820] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9827] <... openat resumed>) = 3 [pid 9825] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9824] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9828] <... setpgid resumed>) = 0 [pid 9828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9827] write(3, "1000", 4 [pid 9824] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9827] <... write resumed>) = 4 [pid 9825] <... clone3 resumed> => {parent_tid=[9830]}, 88) = 9830 [pid 9824] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9827] close(3 [pid 9825] rt_sigprocmask(SIG_SETMASK, [], [pid 9824] <... futex resumed>) = 1 [pid 9825] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9820] <... futex resumed>) = 0 executing program [pid 9827] <... close resumed>) = 0 [pid 9825] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9824] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9820] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9827] write(1, "executing program\n", 18 [pid 9825] <... futex resumed>) = 0 [pid 9824] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9820] <... futex resumed>) = 0 [pid 9825] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9820] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9827] <... write resumed>) = 18 [pid 9824] write(-1, "0x0000000000000001", 18 [pid 9828] <... openat resumed>) = 3 [pid 9827] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9824] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9828] write(3, "1000", 4 [pid 9827] <... futex resumed>) = 0 [pid 9824] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9828] <... write resumed>) = 4 [pid 9824] <... futex resumed>) = 1 [pid 9827] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9820] <... futex resumed>) = 0 [pid 9824] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9827] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9820] exit_group(0executing program [pid 9828] close(3 [pid 9824] <... futex resumed>) = -1 (errno 18446744073709551613) [pid 9820] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 9829 attached [pid 9827] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9828] <... close resumed>) = 0 [pid 9828] write(1, "executing program\n", 18) = 18 [pid 9828] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9828] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9828] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9829] set_robust_list(0x7f70b115b9a0, 24 [pid 9828] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9824] +++ exited with 0 +++ [pid 9827] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9820] +++ exited with 0 +++ [pid 9829] <... set_robust_list resumed>) = 0 [pid 9828] <... mmap resumed>) = 0x7f70b113b000 [pid 9827] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9820, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9829] rt_sigprocmask(SIG_SETMASK, [], [pid 9828] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9827] <... mmap resumed>) = 0x7f70b113b000 [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 9829] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9828] <... mprotect resumed>) = 0 [pid 9827] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 9830 attached [pid 9828] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9827] <... mprotect resumed>) = 0 [pid 9829] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9830] set_robust_list(0x7f70b115b9a0, 24 [pid 9827] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9830] <... set_robust_list resumed>) = 0 [pid 9827] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9830] rt_sigprocmask(SIG_SETMASK, [], [pid 9827] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9830] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9830] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9827] <... clone3 resumed> => {parent_tid=[9831]}, 88) = 9831 [pid 9830] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9827] rt_sigprocmask(SIG_SETMASK, [], [pid 9830] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9827] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9830] <... futex resumed>) = 1 [pid 9827] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9825] <... futex resumed>) = 0 [pid 9830] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9827] <... futex resumed>) = 0 [pid 9825] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9830] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9827] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9825] <... futex resumed>) = 0 [pid 9830] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9829] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9828] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9825] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9830] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9829] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9828] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9830] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9825] <... futex resumed>) = 0 [pid 9830] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9825] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9830] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9829] <... futex resumed>) = 1 [pid 9826] <... futex resumed>) = 0 [pid 9825] <... futex resumed>) = 0 [pid 9830] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9829] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9828] <... clone3 resumed> => {parent_tid=[9832]}, 88) = 9832 [pid 9826] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9825] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9830] <... futex resumed>) = 0 [pid 9826] <... futex resumed>) = 0 [pid 9825] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9830] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9829] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9828] rt_sigprocmask(SIG_SETMASK, [], [pid 9826] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9825] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9830] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9829] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9828] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9825] <... futex resumed>) = 0 [pid 9830] write(-1, "0x0000000000000001", 18 [pid 9825] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9830] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9829] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9828] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9830] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9829] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9830] <... futex resumed>) = 1 [pid 9829] <... futex resumed>) = 1 [pid 9828] <... futex resumed>) = 0 [pid 9826] <... futex resumed>) = 0 [pid 9825] <... futex resumed>) = 0 [pid 9830] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9826] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9825] exit_group(0 [pid 9830] <... futex resumed>) = ? [pid 9829] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9828] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9826] <... futex resumed>) = 0 [pid 9825] <... exit_group resumed>) = ? [pid 551] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 9832 attached ./strace-static-x86_64: Process 9831 attached [pid 9830] +++ exited with 0 +++ [pid 9829] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9826] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9832] set_robust_list(0x7f70b115b9a0, 24 [pid 9831] set_robust_list(0x7f70b115b9a0, 24 [pid 9829] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9826] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9825] +++ exited with 0 +++ [pid 9831] <... set_robust_list resumed>) = 0 [pid 9829] <... futex resumed>) = 0 [pid 9826] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9832] <... set_robust_list resumed>) = 0 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9825, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9826] <... futex resumed>) = 0 [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9832] rt_sigprocmask(SIG_SETMASK, [], [pid 9831] rt_sigprocmask(SIG_SETMASK, [], [pid 9829] write(-1, "0x0000000000000001", 18 [pid 9826] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9833 attached [pid 9832] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9831] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9829] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9832] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9831] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9829] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 9833 [pid 9833] set_robust_list(0x55556dd196a0, 24 [pid 9832] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9831] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9829] <... futex resumed>) = 1 [pid 9826] <... futex resumed>) = 0 [pid 9832] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9831] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9829] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9833] <... set_robust_list resumed>) = 0 [pid 9832] <... futex resumed>) = 1 [pid 9831] <... futex resumed>) = 1 [pid 9828] <... futex resumed>) = 0 [pid 9827] <... futex resumed>) = 0 [pid 9826] exit_group(0 [pid 9833] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9832] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9831] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9828] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9827] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9833] <... prctl resumed>) = 0 [pid 9832] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9831] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9829] <... futex resumed>) = ? [pid 9828] <... futex resumed>) = 0 [pid 9827] <... futex resumed>) = 0 [pid 9826] <... exit_group resumed>) = ? [pid 9833] setpgid(0, 0 [pid 9832] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9831] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9829] +++ exited with 0 +++ [pid 9828] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9827] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9832] <... futex resumed>) = 0 [pid 9831] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9828] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9832] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9831] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9828] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9832] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9831] <... futex resumed>) = 0 [pid 9828] <... futex resumed>) = 0 [pid 9826] +++ exited with 0 +++ [pid 9827] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9833] <... setpgid resumed>) = 0 [pid 9832] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9831] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9828] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9827] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9826, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9832] <... futex resumed>) = 0 [pid 9831] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9828] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9827] <... futex resumed>) = 0 [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 9833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9832] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9831] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9828] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9827] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9832] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9831] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9828] <... futex resumed>) = 0 [pid 9833] <... openat resumed>) = 3 [pid 9832] write(-1, "0x0000000000000001", 18 [pid 9831] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9828] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9833] write(3, "1000", 4 [pid 9832] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9831] <... futex resumed>) = 1 [pid 9827] <... futex resumed>) = 0 [pid 9832] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9831] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9827] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9833] <... write resumed>) = 4 [pid 9832] <... futex resumed>) = 1 [pid 9831] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9828] <... futex resumed>) = 0 [pid 9827] <... futex resumed>) = 0 [pid 9832] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9831] write(-1, "0x0000000000000001", 18 [pid 9828] exit_group(0 [pid 9827] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9833] close(3 [pid 9832] <... futex resumed>) = ? [pid 9831] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9828] <... exit_group resumed>) = ? [pid 9833] <... close resumed>) = 0 executing program [pid 9832] +++ exited with 0 +++ [pid 9831] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9833] write(1, "executing program\n", 18) = 18 [pid 9833] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9831] <... futex resumed>) = 1 [pid 9828] +++ exited with 0 +++ [pid 9827] <... futex resumed>) = 0 [pid 9833] <... futex resumed>) = 0 [pid 9831] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9827] exit_group(0 [pid 9833] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9831] <... futex resumed>) = ? [pid 9827] <... exit_group resumed>) = ? [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9828, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9833] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9831] +++ exited with 0 +++ [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 9833] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9833] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9833] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9827] +++ exited with 0 +++ [pid 9833] rt_sigprocmask(SIG_BLOCK, ~[], [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9827, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9833] <... rt_sigprocmask resumed>[], 8) = 0 [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 9833] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0}./strace-static-x86_64: Process 9834 attached => {parent_tid=[9834]}, 88) = 9834 [pid 9834] set_robust_list(0x7f70b115b9a0, 24 [pid 9833] rt_sigprocmask(SIG_SETMASK, [], [pid 9834] <... set_robust_list resumed>) = 0 [pid 9833] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9834] rt_sigprocmask(SIG_SETMASK, [], [pid 9833] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9834] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9833] <... futex resumed>) = 0 [pid 9834] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9833] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9834] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9834] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9833] <... futex resumed>) = 0 [pid 9834] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9833] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9834] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9833] <... futex resumed>) = 0 [pid 9834] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9833] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9834] <... futex resumed>) = 0 [pid 9833] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9834] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9833] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9834] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9833] <... futex resumed>) = 0 [pid 9834] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9833] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 554] <... restart_syscall resumed>) = 0 [pid 9834] <... futex resumed>) = 0 [pid 9833] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 553] <... restart_syscall resumed>) = 0 [pid 9834] write(-1, "0x0000000000000001", 18 [pid 9833] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9834] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9833] <... futex resumed>) = 0 [pid 555] <... restart_syscall resumed>) = 0 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9834] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9833] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9834] <... futex resumed>) = 0 [pid 9833] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 9835 [pid 9834] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9833] exit_group(0 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9834] <... futex resumed>) = ? [pid 9833] <... exit_group resumed>) = ? [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 552] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 9836 attached ./strace-static-x86_64: Process 9835 attached [pid 9834] +++ exited with 0 +++ [pid 9833] +++ exited with 0 +++ [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9833, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 9836 [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 9836] set_robust_list(0x55556dd196a0, 24 [pid 9835] set_robust_list(0x55556dd196a0, 24 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 9837 [pid 551] <... restart_syscall resumed>) = 0 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 9838 [pid 9835] <... set_robust_list resumed>) = 0 [pid 9836] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 9838 attached [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9835] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9836] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 9839 ./strace-static-x86_64: Process 9837 attached [pid 9837] set_robust_list(0x55556dd196a0, 24) = 0 [pid 9837] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9837] setpgid(0, 0) = 0 [pid 9837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9836] <... prctl resumed>) = 0 [pid 9835] <... prctl resumed>) = 0 [pid 9838] set_robust_list(0x55556dd196a0, 24 [pid 9837] <... openat resumed>) = 3 [pid 9837] write(3, "1000", 4) = 4 executing program [pid 9837] close(3) = 0 [pid 9837] write(1, "executing program\n", 18) = 18 [pid 9837] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9837] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9837] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9837] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9837] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9837] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9836] setpgid(0, 0 [pid 9835] setpgid(0, 0 [pid 9837] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9837] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[9840]}, 88) = 9840 [pid 9838] <... set_robust_list resumed>) = 0 [pid 9836] <... setpgid resumed>) = 0 [pid 9835] <... setpgid resumed>) = 0 [pid 9837] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9837] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9837] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9839 attached [pid 9839] set_robust_list(0x55556dd196a0, 24) = 0 [pid 9839] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9839] <... prctl resumed>) = 0 [pid 9839] setpgid(0, 0) = 0 [pid 9839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9835] <... openat resumed>) = 3 [pid 9839] write(3, "1000", 4) = 4 [pid 9839] close(3) = 0 [pid 9839] write(1, "executing program\n", 18executing program ) = 18 [pid 9839] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9839] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9839] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9839] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9839] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9839] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9835] write(3, "1000", 4 [pid 9839] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9835] <... write resumed>) = 4 [pid 9836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9835] close(3 [pid 9836] <... openat resumed>) = 3 [pid 9835] <... close resumed>) = 0 [pid 9839] <... clone3 resumed> => {parent_tid=[9841]}, 88) = 9841 [pid 9836] write(3, "1000", 4 [pid 9835] write(1, "executing program\n", 18executing program [pid 9839] rt_sigprocmask(SIG_SETMASK, [], [pid 9836] <... write resumed>) = 4 [pid 9835] <... write resumed>) = 18 [pid 9839] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9835] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9836] close(3 [pid 9835] <... futex resumed>) = 0 [pid 9839] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9835] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9836] <... close resumed>) = 0 executing program [pid 9835] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9839] <... futex resumed>) = 0 [pid 9836] write(1, "executing program\n", 18 [pid 9835] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9839] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9836] <... write resumed>) = 18 [pid 9835] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9835] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9836] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 9840 attached [pid 9840] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9840] rt_sigprocmask(SIG_SETMASK, [], [pid 9836] <... futex resumed>) = 0 [pid 9835] <... mmap resumed>) = 0x7f70b113b000 [pid 9840] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9836] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9835] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9836] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9840] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9835] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9836] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9835] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9836] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9835] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9840] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9837] <... futex resumed>) = 0 [pid 9837] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9836] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9837] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9835] <... clone3 resumed> => {parent_tid=[9842]}, 88) = 9842 [pid 9840] <... futex resumed>) = 1 [pid 9835] rt_sigprocmask(SIG_SETMASK, [], [pid 9836] <... mmap resumed>) = 0x7f70b113b000 [pid 9840] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9835] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9836] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9835] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9840] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9836] <... mprotect resumed>) = 0 [pid 9835] <... futex resumed>) = 0 [pid 9840] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9835] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9836] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9837] <... futex resumed>) = 0 [pid 9836] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9838] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9837] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9837] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9840] <... futex resumed>) = 1 [pid 9840] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 9840] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9837] <... futex resumed>) = 0 [pid 9837] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9837] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9840] <... futex resumed>) = 1 ./strace-static-x86_64: Process 9841 attached [pid 9840] write(-1, "0x0000000000000001", 18 [pid 9836] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0}./strace-static-x86_64: Process 9842 attached [pid 9838] <... prctl resumed>) = 0 [pid 9841] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9841] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9841] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9840] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9840] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9837] <... futex resumed>) = 0 [pid 9837] exit_group(0) = ? [pid 9836] <... clone3 resumed> => {parent_tid=[9843]}, 88) = 9843 [pid 9836] rt_sigprocmask(SIG_SETMASK, [], [pid 9838] setpgid(0, 0 [pid 9836] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9836] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9838] <... setpgid resumed>) = 0 [pid 9836] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9841] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9840] <... futex resumed>) = ? [pid 9838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9842] set_robust_list(0x7f70b115b9a0, 24 [pid 9841] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9840] +++ exited with 0 +++ [pid 9838] <... openat resumed>) = 3 [pid 9837] +++ exited with 0 +++ [pid 9841] <... futex resumed>) = 1 [pid 9839] <... futex resumed>) = 0 [pid 9841] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9839] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9837, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9838] write(3, "1000", 4 [pid 9841] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9839] <... futex resumed>) = 0 [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 9841] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9839] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9838] <... write resumed>) = 4 [pid 9841] <... futex resumed>) = 0 [pid 9839] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9841] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9839] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9841] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9839] <... futex resumed>) = 0 [pid 9841] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9839] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9841] <... futex resumed>) = 0 [pid 9839] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9841] write(-1, "0x0000000000000001", 18 [pid 9839] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9841] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9839] <... futex resumed>) = 0 [pid 9841] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9839] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9841] <... futex resumed>) = 0 [pid 9839] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9841] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9839] exit_group(0 [pid 9841] <... futex resumed>) = ? [pid 9839] <... exit_group resumed>) = ? [pid 9842] <... set_robust_list resumed>) = 0 [pid 9841] +++ exited with 0 +++ [pid 9839] +++ exited with 0 +++ [pid 9838] close(3./strace-static-x86_64: Process 9843 attached [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9839, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9838] <... close resumed>) = 0 [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 9843] set_robust_list(0x7f70b115b9a0, 24 [pid 9838] write(1, "executing program\n", 18 [pid 9843] <... set_robust_list resumed>) = 0 [pid 9843] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9843] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9843] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9836] <... futex resumed>) = 0 [pid 9836] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9836] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9843] <... futex resumed>) = 1 [pid 9843] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATHexecuting program ) = -1 ENOENT (No such file or directory) [pid 9843] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9836] <... futex resumed>) = 0 [pid 9838] <... write resumed>) = 18 [pid 9836] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9842] rt_sigprocmask(SIG_SETMASK, [], [pid 9843] <... futex resumed>) = 1 [pid 9838] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9836] <... futex resumed>) = 0 [pid 9842] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9838] <... futex resumed>) = 0 [pid 9836] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9843] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9842] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9838] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9842] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9838] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9842] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9838] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9842] <... futex resumed>) = 1 [pid 9838] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9835] <... futex resumed>) = 0 [pid 9842] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9838] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9835] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9843] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9842] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9838] <... mmap resumed>) = 0x7f70b113b000 [pid 9835] <... futex resumed>) = 0 [pid 9842] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9838] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9835] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9842] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9838] <... mprotect resumed>) = 0 [pid 9843] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9838] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9842] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9843] <... futex resumed>) = 1 [pid 9842] <... futex resumed>) = 1 [pid 9838] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9836] <... futex resumed>) = 0 [pid 9835] <... futex resumed>) = 0 [pid 9843] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9842] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9838] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9836] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9835] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9843] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9842] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9836] <... futex resumed>) = 0 [pid 9835] <... futex resumed>) = 0 [pid 9836] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9835] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9843] write(-1, "0x0000000000000001", 18 [pid 9842] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9838] <... clone3 resumed> => {parent_tid=[9844]}, 88) = 9844 ./strace-static-x86_64: Process 9844 attached [pid 9843] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9838] rt_sigprocmask(SIG_SETMASK, [], [pid 9844] set_robust_list(0x7f70b115b9a0, 24 [pid 9842] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9843] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9838] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9844] <... set_robust_list resumed>) = 0 [pid 9838] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9843] <... futex resumed>) = 1 [pid 9842] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9838] <... futex resumed>) = 0 [pid 9836] <... futex resumed>) = 0 [pid 9838] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9843] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9836] exit_group(0 [pid 9835] <... futex resumed>) = 0 [pid 9843] <... futex resumed>) = ? [pid 9842] <... futex resumed>) = 1 [pid 9836] <... exit_group resumed>) = ? [pid 9835] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9844] rt_sigprocmask(SIG_SETMASK, [], [pid 9835] <... futex resumed>) = 0 [pid 9844] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9835] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9844] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9842] write(-1, "0x0000000000000001", 18 [pid 9844] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9844] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9838] <... futex resumed>) = 0 [pid 9838] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9843] +++ exited with 0 +++ [pid 9842] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9836] +++ exited with 0 +++ [pid 9842] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9838] <... futex resumed>) = 0 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9836, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9838] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 9835] <... futex resumed>) = 0 [pid 9842] <... futex resumed>) = 1 [pid 9835] exit_group(0 [pid 9844] <... futex resumed>) = 1 [pid 9835] <... exit_group resumed>) = ? [pid 9844] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 9844] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9838] <... futex resumed>) = 0 [pid 9838] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9838] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9844] <... futex resumed>) = 1 [pid 9844] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 9844] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9838] <... futex resumed>) = 0 [pid 9838] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9842] +++ exited with 0 +++ [pid 9835] +++ exited with 0 +++ [pid 9838] <... futex resumed>) = 0 [pid 9838] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9835, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 9844] <... futex resumed>) = 1 [pid 9844] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 9844] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9838] <... futex resumed>) = 0 [pid 9838] exit_group(0) = ? [pid 553] <... restart_syscall resumed>) = 0 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 555] <... restart_syscall resumed>) = 0 [pid 9844] <... futex resumed>) = ? [pid 9844] +++ exited with 0 +++ [pid 9838] +++ exited with 0 +++ ./strace-static-x86_64: Process 9845 attached [pid 9845] set_robust_list(0x55556dd196a0, 24 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 9845 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9838, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9845] <... set_robust_list resumed>) = 0 [pid 9845] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9845] setpgid(0, 0) = 0 [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 551] <... restart_syscall resumed>) = 0 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 9846 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9845] write(3, "1000", 4) = 4 [pid 9845] close(3 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 9847 [pid 9845] <... close resumed>) = 0 [pid 9845] write(1, "executing program\n", 18executing program ) = 18 [pid 9845] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9845] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9845] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9845] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9845] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 9847 attached [pid 9845] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9845] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[9848]}, 88) = 9848 [pid 9845] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9845] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9845] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9846 attached [pid 9846] set_robust_list(0x55556dd196a0, 24) = 0 [pid 9846] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9846] setpgid(0, 0) = 0 [pid 9846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 9848 attached [pid 9847] set_robust_list(0x55556dd196a0, 24 [pid 9846] <... openat resumed>) = 3 [pid 9846] write(3, "1000", 4) = 4 [pid 9846] close(3) = 0 [pid 9846] write(1, "executing program\n", 18executing program ) = 18 [pid 9846] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9846] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9846] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9846] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9846] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9846] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9846] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[9849]}, 88) = 9849 [pid 9847] <... set_robust_list resumed>) = 0 [pid 9846] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9846] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9846] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9849 attached [pid 9849] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9849] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9849] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9849] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9846] <... futex resumed>) = 0 [pid 9846] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9846] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9849] <... futex resumed>) = 1 [pid 9849] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 9849] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9846] <... futex resumed>) = 0 [pid 9846] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9846] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9849] <... futex resumed>) = 1 [pid 9849] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 9849] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9846] <... futex resumed>) = 0 [pid 9846] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9846] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9849] <... futex resumed>) = 1 [pid 9849] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 9849] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9846] <... futex resumed>) = 0 [pid 9846] exit_group(0) = ? [pid 554] <... restart_syscall resumed>) = 0 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9848] set_robust_list(0x7f70b115b9a0, 24 [pid 9847] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 9850 attached [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 9850 [pid 9849] <... futex resumed>) = ? [pid 9847] <... prctl resumed>) = 0 [pid 9848] <... set_robust_list resumed>) = 0 [pid 9847] setpgid(0, 0 [pid 9850] set_robust_list(0x55556dd196a0, 24 [pid 9848] rt_sigprocmask(SIG_SETMASK, [], [pid 9847] <... setpgid resumed>) = 0 [pid 9848] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9850] <... set_robust_list resumed>) = 0 [pid 9849] +++ exited with 0 +++ [pid 9846] +++ exited with 0 +++ [pid 9847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9848] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9848] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9845] <... futex resumed>) = 0 [pid 9845] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9845] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9848] <... futex resumed>) = 1 [pid 9848] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9846, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 552] <... restart_syscall resumed>) = 0 [pid 9848] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9847] <... openat resumed>) = 3 [pid 9845] <... futex resumed>) = 0 [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 9845] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9845] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9848] <... futex resumed>) = 1 [pid 9848] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 9848] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9845] <... futex resumed>) = 0 [pid 9845] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9845] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9848] <... futex resumed>) = 1 [pid 9848] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 9848] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9845] <... futex resumed>) = 0 [pid 9845] exit_group(0) = ? [pid 9848] <... futex resumed>) = ? [pid 9850] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9848] +++ exited with 0 +++ [pid 9847] write(3, "1000", 4 [pid 9845] +++ exited with 0 +++ [pid 555] <... restart_syscall resumed>) = 0 [pid 9847] <... write resumed>) = 4 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9845, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9850] <... prctl resumed>) = 0 [pid 9850] setpgid(0, 0) = 0 [pid 9850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9847] close(3executing program executing program [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 9851 [pid 9847] <... close resumed>) = 0 [pid 9850] write(3, "1000", 4) = 4 [pid 9850] close(3) = 0 [pid 9850] write(1, "executing program\n", 18) = 18 [pid 9850] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9850] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9850] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9850] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9847] write(1, "executing program\n", 18) = 18 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 9853 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 9852 [pid 9850] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9847] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9847] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9847] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9847] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9847] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9850] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9847] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 9853 attached ./strace-static-x86_64: Process 9852 attached ./strace-static-x86_64: Process 9851 attached [pid 9847] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9847] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9850] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9847] <... clone3 resumed> => {parent_tid=[9854]}, 88) = 9854 [pid 9847] rt_sigprocmask(SIG_SETMASK, [], [pid 9850] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9847] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9847] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9850] <... clone3 resumed> => {parent_tid=[9855]}, 88) = 9855 [pid 9847] <... futex resumed>) = 0 [pid 9850] rt_sigprocmask(SIG_SETMASK, [], [pid 9847] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9850] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9850] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9850] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9851] set_robust_list(0x55556dd196a0, 24) = 0 [pid 9851] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 9855 attached ./strace-static-x86_64: Process 9854 attached [pid 9852] set_robust_list(0x55556dd196a0, 24 [pid 9855] set_robust_list(0x7f70b115b9a0, 24 [pid 9854] set_robust_list(0x7f70b115b9a0, 24 [pid 9851] <... prctl resumed>) = 0 [pid 9851] setpgid(0, 0 [pid 9852] <... set_robust_list resumed>) = 0 executing program [pid 9854] <... set_robust_list resumed>) = 0 [pid 9852] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9855] <... set_robust_list resumed>) = 0 [pid 9851] <... setpgid resumed>) = 0 [pid 9855] rt_sigprocmask(SIG_SETMASK, [], [pid 9854] rt_sigprocmask(SIG_SETMASK, [], [pid 9853] set_robust_list(0x55556dd196a0, 24 [pid 9852] <... prctl resumed>) = 0 [pid 9851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9852] setpgid(0, 0 [pid 9854] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9851] <... openat resumed>) = 3 [pid 9855] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9853] <... set_robust_list resumed>) = 0 [pid 9851] write(3, "1000", 4) = 4 [pid 9851] close(3) = 0 [pid 9851] write(1, "executing program\n", 18) = 18 [pid 9851] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9851] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9851] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9851] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9851] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9852] <... setpgid resumed>) = 0 [pid 9851] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9851] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9851] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[9856]}, 88) = 9856 [pid 9851] rt_sigprocmask(SIG_SETMASK, [], [pid 9852] <... openat resumed>) = 3 [pid 9851] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9851] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9851] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9856 attached [pid 9856] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9856] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9856] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9856] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9851] <... futex resumed>) = 0 [pid 9851] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9851] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9856] <... futex resumed>) = 1 [pid 9856] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 9856] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9851] <... futex resumed>) = 0 [pid 9851] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9851] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9856] <... futex resumed>) = 1 [pid 9856] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 9856] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9851] <... futex resumed>) = 0 [pid 9851] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9851] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9856] <... futex resumed>) = 1 [pid 9856] write(-1, "0x0000000000000001", 18 [pid 9852] write(3, "1000", 4 [pid 9856] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9856] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9851] <... futex resumed>) = 0 [pid 9851] exit_group(0) = ? [pid 9856] <... futex resumed>) = ? [pid 9852] <... write resumed>) = 4 [pid 9854] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9852] close(3) = 0 [pid 9855] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9852] write(1, "executing program\n", 18executing program [pid 9856] +++ exited with 0 +++ [pid 9851] +++ exited with 0 +++ [pid 9852] <... write resumed>) = 18 [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9851, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9852] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 9854] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9854] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9852] <... futex resumed>) = 0 [pid 9853] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9852] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9847] <... futex resumed>) = 0 [pid 9847] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9847] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9854] <... futex resumed>) = 1 [pid 9854] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 9854] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9847] <... futex resumed>) = 0 [pid 9847] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9847] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9854] <... futex resumed>) = 1 [pid 9854] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 9852] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9855] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9853] <... prctl resumed>) = 0 [pid 9852] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9854] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9852] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9853] setpgid(0, 0 [pid 9852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9855] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9852] <... mmap resumed>) = 0x7f70b113b000 [pid 9855] <... futex resumed>) = 1 [pid 9853] <... setpgid resumed>) = 0 [pid 9852] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9850] <... futex resumed>) = 0 [pid 9852] <... mprotect resumed>) = 0 [pid 9850] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9850] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9847] <... futex resumed>) = 0 [pid 9847] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9852] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9855] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9847] <... futex resumed>) = 0 [pid 9847] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9853] <... openat resumed>) = 3 [pid 9855] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9852] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9854] <... futex resumed>) = 1 [pid 9852] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9855] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9853] write(3, "1000", 4 [pid 9854] write(-1, "0x0000000000000001", 18 [pid 9855] <... futex resumed>) = 1 [pid 9853] <... write resumed>) = 4 [pid 9852] <... clone3 resumed> => {parent_tid=[9857]}, 88) = 9857 [pid 9850] <... futex resumed>) = 0 [pid 9855] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9853] close(3 [pid 9852] rt_sigprocmask(SIG_SETMASK, [], [pid 9850] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9855] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9852] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9850] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9853] <... close resumed>) = 0 [pid 552] <... restart_syscall resumed>) = 0 [pid 9855] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9852] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9853] write(1, "executing program\n", 18 [pid 9855] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9852] <... futex resumed>) = 0 [pid 9854] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9854] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9855] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9852] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9847] <... futex resumed>) = 0 [pid 9847] exit_group(0) = ? [pid 9854] <... futex resumed>) = ? executing program [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 9858 [pid 9855] <... futex resumed>) = 1 [pid 9853] <... write resumed>) = 18 [pid 9850] <... futex resumed>) = 0 [pid 9850] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9855] write(-1, "0x0000000000000001", 18 [pid 9850] <... futex resumed>) = 0 [pid 9853] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9850] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9855] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9854] +++ exited with 0 +++ [pid 9853] <... futex resumed>) = 0 [pid 9847] +++ exited with 0 +++ [pid 9855] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9847, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9855] <... futex resumed>) = 1 [pid 9853] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9850] <... futex resumed>) = 0 [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 9850] exit_group(0 [pid 9853] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9850] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 9858 attached [pid 9858] set_robust_list(0x55556dd196a0, 24) = 0 [pid 9858] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9853] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9858] <... prctl resumed>) = 0 [pid 9858] setpgid(0, 0) = 0 [pid 9858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9858] write(3, "1000", 4 [pid 9855] +++ exited with 0 +++ [pid 9850] +++ exited with 0 +++ [pid 9853] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9853] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9850, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9853] <... mmap resumed>) = 0x7f70b113b000 [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 9853] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITEexecuting program [pid 9858] <... write resumed>) = 4 [pid 9853] <... mprotect resumed>) = 0 [pid 9858] close(3) = 0 [pid 9858] write(1, "executing program\n", 18) = 18 [pid 9853] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9853] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9858] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9858] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9858] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9853] <... clone3 resumed> => {parent_tid=[9859]}, 88) = 9859 [pid 9858] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9853] rt_sigprocmask(SIG_SETMASK, [], [pid 9858] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9853] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9853] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9858] <... mmap resumed>) = 0x7f70b113b000 [pid 9858] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9853] <... futex resumed>) = 0 [pid 9858] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9853] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9857 attached [pid 9857] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9857] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 9859 attached [pid 9858] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9857] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9859] set_robust_list(0x7f70b115b9a0, 24 [pid 9858] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9857] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) ./strace-static-x86_64: Process 9860 attached [pid 9859] <... set_robust_list resumed>) = 0 [pid 9857] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9859] rt_sigprocmask(SIG_SETMASK, [], [pid 9858] <... clone3 resumed> => {parent_tid=[9860]}, 88) = 9860 [pid 9857] <... futex resumed>) = 1 [pid 9859] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9858] rt_sigprocmask(SIG_SETMASK, [], [pid 9857] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9858] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9858] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9852] <... futex resumed>) = 0 [pid 9859] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9858] <... futex resumed>) = 0 [pid 9858] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9859] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9852] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9857] <... futex resumed>) = 0 [pid 9852] <... futex resumed>) = 1 [pid 9859] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9857] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9852] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9857] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9859] <... futex resumed>) = 1 [pid 9853] <... futex resumed>) = 0 [pid 9857] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9853] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9859] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9857] <... futex resumed>) = 1 [pid 9852] <... futex resumed>) = 0 [pid 9857] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9853] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9852] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9859] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9857] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9852] <... futex resumed>) = 0 [pid 9859] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9857] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9852] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9857] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9859] <... futex resumed>) = 1 [pid 9853] <... futex resumed>) = 0 [pid 9857] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9853] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9859] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9857] <... futex resumed>) = 1 [pid 9853] <... futex resumed>) = 0 [pid 9852] <... futex resumed>) = 0 [pid 9859] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9857] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9853] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9852] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9859] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9857] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9853] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9852] <... futex resumed>) = 0 [pid 9857] write(-1, "0x0000000000000001", 18 [pid 9853] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9859] <... futex resumed>) = 0 [pid 9852] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9857] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9853] <... futex resumed>) = 0 [pid 9857] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9853] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9859] write(-1, "0x0000000000000001", 18 [pid 9857] <... futex resumed>) = 1 [pid 9852] <... futex resumed>) = 0 [pid 9859] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9857] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9852] exit_group(0 [pid 9859] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9857] <... futex resumed>) = ? [pid 9852] <... exit_group resumed>) = ? [pid 9860] set_robust_list(0x7f70b115b9a0, 24 [pid 9859] <... futex resumed>) = 1 [pid 9857] +++ exited with 0 +++ [pid 9859] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9860] <... set_robust_list resumed>) = 0 [pid 9860] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9860] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9853] <... futex resumed>) = 0 [pid 9852] +++ exited with 0 +++ [pid 9860] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9860] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9858] <... futex resumed>) = 0 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9852, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9853] exit_group(0 [pid 9858] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 9859] <... futex resumed>) = ? [pid 9858] <... futex resumed>) = 0 [pid 9853] <... exit_group resumed>) = ? [pid 9859] +++ exited with 0 +++ [pid 9858] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9860] <... futex resumed>) = 1 [pid 9860] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 9860] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] <... restart_syscall resumed>) = 0 [pid 9858] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9853] +++ exited with 0 +++ [pid 555] <... restart_syscall resumed>) = 0 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9858] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9860] <... futex resumed>) = 0 [pid 9860] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9853, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9860] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9858] <... futex resumed>) = 0 [pid 551] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 9861 attached [pid 9858] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 9861 [pid 9858] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9860] <... futex resumed>) = 0 [pid 9860] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9861] set_robust_list(0x55556dd196a0, 24) = 0 [pid 9861] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9858] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 9862 attached [pid 9858] <... futex resumed>) = 1 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 9862 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9860] <... futex resumed>) = 0 [pid 9860] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 9860] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9860] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9861] <... prctl resumed>) = 0 [pid 9861] setpgid(0, 0) = 0 [pid 9861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9858] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9864 attached ./strace-static-x86_64: Process 9863 attached [pid 9862] set_robust_list(0x55556dd196a0, 24 [pid 9858] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 9863 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 9864 [pid 9864] set_robust_list(0x55556dd196a0, 24 [pid 9862] <... set_robust_list resumed>) = 0 [pid 9858] exit_group(0 [pid 9864] <... set_robust_list resumed>) = 0 [pid 9858] <... exit_group resumed>) = ? [pid 9860] <... futex resumed>) = ? [pid 9864] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9863] set_robust_list(0x55556dd196a0, 24 [pid 9862] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9860] +++ exited with 0 +++ [pid 9858] +++ exited with 0 +++ [pid 9864] <... prctl resumed>) = 0 [pid 9863] <... set_robust_list resumed>) = 0 [pid 9862] <... prctl resumed>) = 0 executing program [pid 9864] setpgid(0, 0 [pid 9863] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9862] setpgid(0, 0 [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9858, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9864] <... setpgid resumed>) = 0 [pid 9863] <... prctl resumed>) = 0 [pid 9862] <... setpgid resumed>) = 0 [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 9862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9861] <... openat resumed>) = 3 [pid 9864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9863] setpgid(0, 0 [pid 9862] <... openat resumed>) = 3 [pid 9861] write(3, "1000", 4 [pid 9864] <... openat resumed>) = 3 [pid 9861] <... write resumed>) = 4 [pid 9862] write(3, "1000", 4 [pid 9863] <... setpgid resumed>) = 0 [pid 9861] close(3) = 0 [pid 9861] write(1, "executing program\n", 18 [pid 9864] write(3, "1000", 4 [pid 9862] <... write resumed>) = 4 [pid 9861] <... write resumed>) = 18 [pid 9863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9861] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9862] close(3 [pid 9864] <... write resumed>) = 4 [pid 9861] <... futex resumed>) = 0 [pid 9861] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9861] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9861] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9861] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9864] close(3 [pid 9862] <... close resumed>) = 0 [pid 9861] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9863] <... openat resumed>) = 3 [pid 9861] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9864] <... close resumed>) = 0 executing program [pid 9863] write(3, "1000", 4 [pid 9862] write(1, "executing program\n", 18) = 18 [pid 9861] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9864] write(1, "executing program\n", 18executing program [pid 9863] <... write resumed>) = 4 [pid 9862] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 9865 attached [pid 9864] <... write resumed>) = 18 [pid 9863] close(3 [pid 9862] <... futex resumed>) = 0 [pid 9864] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9861] <... clone3 resumed> => {parent_tid=[9865]}, 88) = 9865 [pid 9861] rt_sigprocmask(SIG_SETMASK, [], [pid 9863] <... close resumed>) = 0 [pid 9862] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9861] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9865] set_robust_list(0x7f70b115b9a0, 24executing program [pid 9864] <... futex resumed>) = 0 [pid 9863] write(1, "executing program\n", 18 [pid 9862] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9865] <... set_robust_list resumed>) = 0 [pid 9864] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9863] <... write resumed>) = 18 [pid 9864] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9862] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9865] rt_sigprocmask(SIG_SETMASK, [], [pid 9864] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9863] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9862] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9861] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9864] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9862] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9865] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9864] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9863] <... futex resumed>) = 0 [pid 9864] <... mmap resumed>) = 0x7f70b113b000 [pid 9863] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9862] <... mmap resumed>) = 0x7f70b113b000 [pid 9865] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9864] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9863] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9862] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9865] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9864] <... mprotect resumed>) = 0 [pid 9863] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9862] <... mprotect resumed>) = 0 [pid 9861] <... futex resumed>) = 0 [pid 9861] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9864] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9865] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9864] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9863] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9862] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9865] <... futex resumed>) = 1 [pid 9864] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9863] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9861] <... futex resumed>) = 0 [pid 9862] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9861] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9862] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9861] <... futex resumed>) = 0 [pid 9865] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9864] <... clone3 resumed> => {parent_tid=[9866]}, 88) = 9866 [pid 9863] <... mmap resumed>) = 0x7f70b113b000 [pid 9861] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9865] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9864] rt_sigprocmask(SIG_SETMASK, [], [pid 9863] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9865] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9864] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9863] <... mprotect resumed>) = 0 [pid 9864] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9862] <... clone3 resumed> => {parent_tid=[9867]}, 88) = 9867 [pid 9865] <... futex resumed>) = 1 [pid 9861] <... futex resumed>) = 0 [pid 9861] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9863] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9862] rt_sigprocmask(SIG_SETMASK, [], [pid 9861] <... futex resumed>) = 0 [pid 9864] <... futex resumed>) = 0 [pid 9865] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9863] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9862] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9861] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9864] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9865] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9863] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9862] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 9866 attached [pid 9866] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9862] <... futex resumed>) = 0 [pid 9865] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9863] <... clone3 resumed> => {parent_tid=[9868]}, 88) = 9868 [pid 9862] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9863] rt_sigprocmask(SIG_SETMASK, [], [pid 9865] <... futex resumed>) = 1 [pid 9861] <... futex resumed>) = 0 [pid 9861] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9863] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9861] <... futex resumed>) = 0 [pid 9865] write(-1, "0x0000000000000001", 18 [pid 9863] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9861] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9865] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9863] <... futex resumed>) = 0 [pid 9866] rt_sigprocmask(SIG_SETMASK, [], [pid 9863] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9865] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9866] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9866] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9865] <... futex resumed>) = 1 [pid 9861] <... futex resumed>) = 0 [pid 9861] exit_group(0) = ? [pid 9866] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9864] <... futex resumed>) = 0 [pid 9864] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9864] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9866] <... futex resumed>) = 1 [pid 9866] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 9866] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9864] <... futex resumed>) = 0 [pid 9866] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9864] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9866] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9864] <... futex resumed>) = 0 [pid 9866] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9864] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9866] <... futex resumed>) = 0 [pid 9864] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9866] write(-1, "0x0000000000000001", 18 [pid 9864] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9866] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9864] <... futex resumed>) = 0 [pid 9866] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9864] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9866] <... futex resumed>) = 0 [pid 9864] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9866] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9864] exit_group(0 [pid 9866] <... futex resumed>) = ? [pid 9864] <... exit_group resumed>) = ? [pid 9866] +++ exited with 0 +++ [pid 9865] +++ exited with 0 +++ [pid 9864] +++ exited with 0 +++ [pid 9861] +++ exited with 0 +++ [pid 552] <... restart_syscall resumed>) = 0 [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9864, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9861, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 9867 attached [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 551] <... restart_syscall resumed>) = 0 [pid 9867] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9867] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9867] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 9869 [pid 9867] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9862] <... futex resumed>) = 0 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9862] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9867] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 9867] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9867] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 9868 attached [pid 9868] set_robust_list(0x7f70b115b9a0, 24 [pid 9862] <... futex resumed>) = 1 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 9870 [pid 9862] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9867] <... futex resumed>) = 0 [pid 9862] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9868] <... set_robust_list resumed>) = 0 [pid 9867] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9862] <... futex resumed>) = 0 [pid 9868] rt_sigprocmask(SIG_SETMASK, [], [pid 9867] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9862] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9868] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9867] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9868] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9867] <... futex resumed>) = 1 [pid 9862] <... futex resumed>) = 0 [pid 9868] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9867] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9862] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9868] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9867] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9862] <... futex resumed>) = 0 [pid 9868] <... futex resumed>) = 1 [pid 9867] write(-1, "0x0000000000000001", 18 [pid 9863] <... futex resumed>) = 0 [pid 9862] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9863] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9868] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9867] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9868] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9867] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9863] <... futex resumed>) = 0 [pid 9868] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9867] <... futex resumed>) = 1 [pid 9863] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9862] <... futex resumed>) = 0 [pid 9863] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9863] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9862] exit_group(0 [pid 9868] <... futex resumed>) = 0 [pid 9867] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9868] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9867] <... futex resumed>) = ? [pid 9863] <... futex resumed>) = 0 [pid 9862] <... exit_group resumed>) = ? [pid 9868] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9867] +++ exited with 0 +++ [pid 9863] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9868] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9868] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 9869 attached [pid 9869] set_robust_list(0x55556dd196a0, 24) = 0 [pid 9869] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9862] +++ exited with 0 +++ [pid 9863] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9863] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9862, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9863] <... futex resumed>) = 1 [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 9863] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9868] <... futex resumed>) = 0 [pid 9868] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 9868] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9863] <... futex resumed>) = 0 [pid 9868] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9863] exit_group(0 [pid 9868] <... futex resumed>) = ? [pid 9863] <... exit_group resumed>) = ? [pid 9868] +++ exited with 0 +++ [pid 9869] setpgid(0, 0) = 0 [pid 9869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9863] +++ exited with 0 +++ [pid 9869] write(3, "1000", 4 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9863, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 9869] <... write resumed>) = 4 executing program [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 9869] close(3) = 0 [pid 9869] write(1, "executing program\n", 18) = 18 [pid 9869] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9869] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9869] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9869] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9869] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9869] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9869] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[9871]}, 88) = 9871 ./strace-static-x86_64: Process 9870 attached [pid 9869] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9869] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9869] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9871 attached [pid 9871] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9871] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9871] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9871] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9869] <... futex resumed>) = 0 [pid 9870] set_robust_list(0x55556dd196a0, 24 [pid 9869] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9869] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9871] <... futex resumed>) = 1 [pid 9871] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 9871] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9869] <... futex resumed>) = 0 [pid 9869] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9869] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9871] <... futex resumed>) = 1 [pid 9871] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9870] <... set_robust_list resumed>) = 0 [pid 9871] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9871] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9869] <... futex resumed>) = 0 [pid 9869] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9869] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9871] <... futex resumed>) = 1 [pid 9871] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 9870] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9871] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9869] <... futex resumed>) = 0 [pid 9869] exit_group(0) = ? [pid 9871] <... futex resumed>) = ? [pid 554] <... restart_syscall resumed>) = 0 [pid 9870] <... prctl resumed>) = 0 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9870] setpgid(0, 0 [pid 9871] +++ exited with 0 +++ [pid 9869] +++ exited with 0 +++ [pid 9870] <... setpgid resumed>) = 0 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 9872 [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9869, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 552] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 9872 attached [pid 9870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9872] set_robust_list(0x55556dd196a0, 24) = 0 executing program [pid 9872] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 555] <... restart_syscall resumed>) = 0 [pid 553] <... restart_syscall resumed>) = 0 [pid 9872] setpgid(0, 0) = 0 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9872] write(3, "1000", 4) = 4 [pid 552] <... restart_syscall resumed>) = 0 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 9873 [pid 9872] close(3) = 0 [pid 9872] write(1, "executing program\n", 18) = 18 [pid 9872] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9872] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9872] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9870] <... openat resumed>) = 3 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 9874 [pid 9872] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9872] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9872] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 9875 [pid 9870] write(3, "1000", 4) = 4 [pid 9872] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9872] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9870] close(3./strace-static-x86_64: Process 9875 attached [pid 9872] <... clone3 resumed> => {parent_tid=[9876]}, 88) = 9876 [pid 9870] <... close resumed>) = 0 [pid 9872] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9875] set_robust_list(0x55556dd196a0, 24 executing program [pid 9870] write(1, "executing program\n", 18 [pid 9872] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9870] <... write resumed>) = 18 [pid 9872] <... futex resumed>) = 0 [pid 9870] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9870] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9872] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9870] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 9873 attached [pid 9870] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9873] set_robust_list(0x55556dd196a0, 24 [pid 9870] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9873] <... set_robust_list resumed>) = 0 [pid 9870] <... mmap resumed>) = 0x7f70b113b000 [pid 9870] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9873] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9870] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 ./strace-static-x86_64: Process 9874 attached [pid 9870] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9874] set_robust_list(0x55556dd196a0, 24 [pid 9873] <... prctl resumed>) = 0 [pid 9873] setpgid(0, 0 [pid 9874] <... set_robust_list resumed>) = 0 [pid 9870] <... clone3 resumed> => {parent_tid=[9877]}, 88) = 9877 [pid 9873] <... setpgid resumed>) = 0 [pid 9870] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9870] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9870] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9874] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9874] setpgid(0, 0) = 0 [pid 9874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9875] <... set_robust_list resumed>) = 0 [pid 9873] <... openat resumed>) = 3 [pid 9875] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9873] write(3, "1000", 4) = 4 [pid 9873] close(3executing program ) = 0 [pid 9874] <... openat resumed>) = 3 [pid 9873] write(1, "executing program\n", 18) = 18 [pid 9874] write(3, "1000", 4) = 4 [pid 9873] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9874] close(3) = 0 [pid 9873] <... futex resumed>) = 0 [pid 9873] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9874] write(1, "executing program\n", 18 [pid 9873] <... rt_sigaction resumed>NULL, 8) = 0 executing program [pid 9874] <... write resumed>) = 18 [pid 9873] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9874] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9873] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9873] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9874] <... futex resumed>) = 0 [pid 9874] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9873] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9874] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9873] <... mprotect resumed>) = 0 [pid 9874] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9873] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9874] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9874] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 9877 attached [pid 9875] <... prctl resumed>) = 0 [pid 9873] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9875] setpgid(0, 0 [pid 9873] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9874] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9875] <... setpgid resumed>) = 0 [pid 9874] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9874] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9873] <... clone3 resumed> => {parent_tid=[9878]}, 88) = 9878 [pid 9873] rt_sigprocmask(SIG_SETMASK, [], [pid 9877] set_robust_list(0x7f70b115b9a0, 24 [pid 9875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9873] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9873] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9873] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9874] <... clone3 resumed> => {parent_tid=[9879]}, 88) = 9879 [pid 9874] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9874] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9874] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9876 attached [pid 9876] set_robust_list(0x7f70b115b9a0, 24 [pid 9875] <... openat resumed>) = 3 [pid 9876] <... set_robust_list resumed>) = 0 [pid 9876] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9876] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9875] write(3, "1000", 4 [pid 9876] <... bpf resumed>, buf="cgroup", 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 9875] <... write resumed>) = 4 [pid 9875] close(3) = 0 [pid 9876] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9872] <... futex resumed>) = 0 [pid 9872] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9875] write(1, "executing program\n", 18 [pid 9872] <... futex resumed>) = 0 [pid 9875] <... write resumed>) = 18 [pid 9872] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9875] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9876] <... futex resumed>) = 1 [pid 9875] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9876] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9875] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9877] <... set_robust_list resumed>) = 0 [pid 9875] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9877] rt_sigprocmask(SIG_SETMASK, [], [pid 9876] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9875] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9877] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9876] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9875] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9872] <... futex resumed>) = 0 [pid 9872] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9872] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9875] <... mmap resumed>) = 0x7f70b113b000 [pid 9877] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9875] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9876] <... futex resumed>) = 1 [pid 9875] <... mprotect resumed>) = 0 [pid 9877] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9876] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9877] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9875] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9876] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9877] <... futex resumed>) = 1 [pid 9875] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9870] <... futex resumed>) = 0 [pid 9877] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9875] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9870] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9870] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9876] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9877] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9872] <... futex resumed>) = 0 [pid 9877] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9875] <... clone3 resumed> => {parent_tid=[9880]}, 88) = 9880 [pid 9872] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9877] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9875] rt_sigprocmask(SIG_SETMASK, [], [pid 9872] <... futex resumed>) = 0 [pid 9877] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9875] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9872] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9877] <... futex resumed>) = 1 [pid 9875] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9870] <... futex resumed>) = 0 [pid 9876] <... futex resumed>) = 1 [pid 9876] write(-1, "0x0000000000000001", 18 [pid 9870] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9877] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9875] <... futex resumed>) = 0 [pid 9875] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9870] <... futex resumed>) = 0 ./strace-static-x86_64: Process 9878 attached [pid 9877] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9876] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9870] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9877] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9876] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9872] <... futex resumed>) = 0 [pid 9876] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9872] exit_group(0 [pid 9876] <... futex resumed>) = ? [pid 9872] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 9880 attached ./strace-static-x86_64: Process 9879 attached [pid 9877] <... futex resumed>) = 1 [pid 9876] +++ exited with 0 +++ [pid 9872] +++ exited with 0 +++ [pid 9870] <... futex resumed>) = 0 [pid 9870] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9872, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9870] <... futex resumed>) = 0 [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 9870] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9877] write(-1, "0x0000000000000001", 18 [pid 9878] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9878] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9878] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9878] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9873] <... futex resumed>) = 0 [pid 9873] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9873] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9878] <... futex resumed>) = 1 [pid 9878] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 9879] set_robust_list(0x7f70b115b9a0, 24 [pid 9877] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9878] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9873] <... futex resumed>) = 0 [pid 9873] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9877] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9879] <... set_robust_list resumed>) = 0 [pid 9873] <... futex resumed>) = 0 [pid 9877] <... futex resumed>) = 1 [pid 9873] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9870] <... futex resumed>) = 0 [pid 9879] rt_sigprocmask(SIG_SETMASK, [], [pid 9877] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9870] exit_group(0 [pid 9879] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9878] <... futex resumed>) = 1 [pid 9877] <... futex resumed>) = ? [pid 9870] <... exit_group resumed>) = ? [pid 9880] set_robust_list(0x7f70b115b9a0, 24 [pid 9878] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9880] <... set_robust_list resumed>) = 0 [pid 9878] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9880] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9880] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9878] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9873] <... futex resumed>) = 0 [pid 9873] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9873] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9877] +++ exited with 0 +++ [pid 9870] +++ exited with 0 +++ [pid 9879] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9870, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9880] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9878] <... futex resumed>) = 1 [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 9880] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9878] write(-1, "0x0000000000000001", 18 [pid 9879] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9880] <... futex resumed>) = 1 [pid 9878] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9875] <... futex resumed>) = 0 [pid 9879] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9875] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9880] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9879] <... futex resumed>) = 1 [pid 9878] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9875] <... futex resumed>) = 0 [pid 9874] <... futex resumed>) = 0 [pid 9880] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9879] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9878] <... futex resumed>) = 1 [pid 9875] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9874] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9873] <... futex resumed>) = 0 [pid 9880] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9878] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9875] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9874] <... futex resumed>) = 0 [pid 9873] exit_group(0 [pid 9879] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9880] <... futex resumed>) = 0 [pid 9878] <... futex resumed>) = ? [pid 9875] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9874] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9873] <... exit_group resumed>) = ? [pid 9880] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9879] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9878] +++ exited with 0 +++ [pid 9875] <... futex resumed>) = 0 [pid 9874] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9873] +++ exited with 0 +++ [pid 9880] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9879] <... futex resumed>) = 0 [pid 9875] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9874] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9880] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9879] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9874] <... futex resumed>) = 0 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9873, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9880] <... futex resumed>) = 1 [pid 9875] <... futex resumed>) = 0 [pid 9874] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 9880] write(-1, "0x0000000000000001", 18 [pid 9879] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9875] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9879] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9875] <... futex resumed>) = 0 [pid 9880] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9879] <... futex resumed>) = 1 [pid 9875] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9874] <... futex resumed>) = 0 [pid 9880] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9879] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9874] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9880] <... futex resumed>) = 1 [pid 9879] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9875] <... futex resumed>) = 0 [pid 9874] <... futex resumed>) = 0 [pid 9880] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9874] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9879] write(-1, "0x0000000000000001", 18 [pid 9875] exit_group(0 [pid 554] <... restart_syscall resumed>) = 0 [pid 9879] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9875] <... exit_group resumed>) = ? [pid 9879] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9880] <... futex resumed>) = ? [pid 9880] +++ exited with 0 +++ [pid 9879] <... futex resumed>) = 1 [pid 9875] +++ exited with 0 +++ [pid 9874] <... futex resumed>) = 0 [pid 9879] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9874] exit_group(0 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9879] <... futex resumed>) = ? [pid 9874] <... exit_group resumed>) = ? [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9875, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 9881 [pid 552] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 9881 attached [pid 555] <... restart_syscall resumed>) = 0 [pid 9881] set_robust_list(0x55556dd196a0, 24 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9881] <... set_robust_list resumed>) = 0 [pid 551] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 9882 attached [pid 9879] +++ exited with 0 +++ [pid 9874] +++ exited with 0 +++ [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 9882 [pid 552] <... restart_syscall resumed>) = 0 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9882] set_robust_list(0x55556dd196a0, 24 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9874, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9881] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 9883 attached [pid 9882] <... set_robust_list resumed>) = 0 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 9883 [pid 9881] <... prctl resumed>) = 0 [pid 9881] setpgid(0, 0) = 0 [pid 9881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 9884 [pid 9881] <... openat resumed>) = 3 [pid 9881] write(3, "1000", 4) = 4 [pid 9881] close(3) = 0 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 9885 [pid 9881] write(1, "executing program\n", 18 [pid 9882] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program [pid 9881] <... write resumed>) = 18 [pid 9881] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9881] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9881] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9881] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9881] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9882] <... prctl resumed>) = 0 [pid 9882] setpgid(0, 0 [pid 9883] set_robust_list(0x55556dd196a0, 24 [pid 9881] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9881] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9882] <... setpgid resumed>) = 0 [pid 9883] <... set_robust_list resumed>) = 0 [pid 9881] <... clone3 resumed> => {parent_tid=[9886]}, 88) = 9886 [pid 9881] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9881] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9881] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9884 attached [pid 9884] set_robust_list(0x55556dd196a0, 24) = 0 [pid 9884] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 9885 attached ) = 0 [pid 9884] setpgid(0, 0 [pid 9882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9884] <... setpgid resumed>) = 0 [pid 9885] set_robust_list(0x55556dd196a0, 24) = 0 [pid 9884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9885] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9882] <... openat resumed>) = 3 [pid 9885] setpgid(0, 0 [pid 9884] <... openat resumed>) = 3 [pid 9882] write(3, "1000", 4 [pid 9885] <... setpgid resumed>) = 0 [pid 9885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9884] write(3, "1000", 4 [pid 9882] <... write resumed>) = 4 [pid 9884] <... write resumed>) = 4 [pid 9884] close(3) = 0 [pid 9884] write(1, "executing program\n", 18executing program [pid 9882] close(3 [pid 9884] <... write resumed>) = 18 [pid 9884] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9882] <... close resumed>) = 0 [pid 9884] <... futex resumed>) = 0 executing program [pid 9882] write(1, "executing program\n", 18 [pid 9884] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9882] <... write resumed>) = 18 [pid 9885] <... openat resumed>) = 3 [pid 9882] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 9886 attached [pid 9884] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9883] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9884] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9885] write(3, "1000", 4 [pid 9882] <... futex resumed>) = 0 [pid 9883] <... prctl resumed>) = 0 [pid 9882] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9884] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9882] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9883] setpgid(0, 0 [pid 9882] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9885] <... write resumed>) = 4 [pid 9882] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9883] <... setpgid resumed>) = 0 [pid 9882] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9884] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9882] <... mmap resumed>) = 0x7f70b113b000 [pid 9884] <... mmap resumed>) = 0x7f70b113b000 [pid 9882] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9885] close(3 [pid 9883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9882] <... mprotect resumed>) = 0 [pid 9885] <... close resumed>) = 0 [pid 9884] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9882] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9885] write(1, "executing program\n", 18executing program [pid 9882] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9883] <... openat resumed>) = 3 [pid 9885] <... write resumed>) = 18 [pid 9883] write(3, "1000", 4 [pid 9882] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9884] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9885] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9885] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9883] <... write resumed>) = 4 [pid 9882] <... clone3 resumed> => {parent_tid=[9887]}, 88) = 9887 [pid 9885] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9883] close(3 [pid 9882] rt_sigprocmask(SIG_SETMASK, [], [pid 9885] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], executing program [pid 9882] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9883] <... close resumed>) = 0 [pid 9882] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9885] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9885] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9884] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9883] write(1, "executing program\n", 18 [pid 9882] <... futex resumed>) = 0 [pid 9885] <... mmap resumed>) = 0x7f70b113b000 [pid 9883] <... write resumed>) = 18 [pid 9882] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9884] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9883] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9885] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9883] <... futex resumed>) = 0 [pid 9885] <... mprotect resumed>) = 0 [pid 9884] <... clone3 resumed> => {parent_tid=[9888]}, 88) = 9888 [pid 9885] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9884] rt_sigprocmask(SIG_SETMASK, [], [pid 9883] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, ./strace-static-x86_64: Process 9887 attached [pid 9885] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9884] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9883] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9885] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9884] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9883] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9884] <... futex resumed>) = 0 [pid 9883] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9885] <... clone3 resumed> => {parent_tid=[9889]}, 88) = 9889 [pid 9884] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9883] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9885] rt_sigprocmask(SIG_SETMASK, [], [pid 9883] <... mmap resumed>) = 0x7f70b113b000 [pid 9885] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9885] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9885] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9883] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9886] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9886] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9886] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9886] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9881] <... futex resumed>) = 0 [pid 9886] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9881] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9886] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9881] <... futex resumed>) = 0 [pid 9883] <... mprotect resumed>) = 0 [pid 9886] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9881] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9886] <... futex resumed>) = 0 [pid 9881] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9886] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9883] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9881] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9886] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9881] <... futex resumed>) = 0 [pid 9886] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9883] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9881] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9886] <... futex resumed>) = 0 [pid 9883] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9881] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9886] write(-1, "0x0000000000000001", 18 [pid 9881] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9886] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9881] <... futex resumed>) = 0 [pid 9886] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9881] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9886] <... futex resumed>) = 0 [pid 9881] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9886] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9883] <... clone3 resumed> => {parent_tid=[9890]}, 88) = 9890 [pid 9881] exit_group(0 [pid 9886] <... futex resumed>) = ? [pid 9883] rt_sigprocmask(SIG_SETMASK, [], [pid 9881] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 9890 attached ./strace-static-x86_64: Process 9889 attached [pid 9887] set_robust_list(0x7f70b115b9a0, 24 [pid 9886] +++ exited with 0 +++ [pid 9883] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9881] +++ exited with 0 +++ [pid 9883] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9881, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9883] <... futex resumed>) = 0 [pid 554] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 9888 attached [pid 9883] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9888] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9888] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9888] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9887] <... set_robust_list resumed>) = 0 [pid 9888] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9888] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9884] <... futex resumed>) = 0 [pid 9884] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9884] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9888] <... futex resumed>) = 1 [pid 9888] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9887] rt_sigprocmask(SIG_SETMASK, [], [pid 9888] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9888] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9884] <... futex resumed>) = 0 [pid 9884] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9884] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9888] <... futex resumed>) = 1 [pid 9888] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 9888] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9884] <... futex resumed>) = 0 [pid 9884] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9888] <... futex resumed>) = 1 [pid 9884] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9888] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 9888] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9884] <... futex resumed>) = 0 [pid 9888] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9884] exit_group(0 [pid 9888] <... futex resumed>) = ? [pid 9884] <... exit_group resumed>) = ? [pid 9890] set_robust_list(0x7f70b115b9a0, 24 [pid 9889] set_robust_list(0x7f70b115b9a0, 24 [pid 9888] +++ exited with 0 +++ [pid 9887] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9884] +++ exited with 0 +++ [pid 9887] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9884, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 9887] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9890] <... set_robust_list resumed>) = 0 [pid 9889] <... set_robust_list resumed>) = 0 [pid 9887] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9882] <... futex resumed>) = 0 [pid 9887] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9882] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9887] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9882] <... futex resumed>) = 0 [pid 9890] rt_sigprocmask(SIG_SETMASK, [], [pid 9889] rt_sigprocmask(SIG_SETMASK, [], [pid 9887] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9882] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9889] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9887] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9890] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9887] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9889] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9887] <... futex resumed>) = 1 [pid 9882] <... futex resumed>) = 0 [pid 9890] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9889] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9887] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9882] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9889] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9887] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9882] <... futex resumed>) = 0 [pid 9890] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9889] <... futex resumed>) = 1 [pid 9887] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9885] <... futex resumed>) = 0 [pid 9882] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9889] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9890] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9887] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9885] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9887] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9885] <... futex resumed>) = 0 [pid 9890] <... futex resumed>) = 1 [pid 9889] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9887] <... futex resumed>) = 1 [pid 9885] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9883] <... futex resumed>) = 0 [pid 9882] <... futex resumed>) = 0 [pid 9889] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9887] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9885] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9883] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9890] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9882] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9889] <... futex resumed>) = 0 [pid 9887] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9885] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9883] <... futex resumed>) = 0 [pid 9882] <... futex resumed>) = 0 [pid 9889] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9887] write(-1, "0x0000000000000001", 18 [pid 9885] <... futex resumed>) = 0 [pid 9883] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9882] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9889] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9887] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9885] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9890] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9889] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9887] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9885] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9890] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9889] <... futex resumed>) = 0 [pid 9887] <... futex resumed>) = 1 [pid 9885] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9882] <... futex resumed>) = 0 [pid 9887] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9885] <... futex resumed>) = 0 [pid 9882] exit_group(0 [pid 9885] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9882] <... exit_group resumed>) = ? [pid 9890] <... futex resumed>) = 1 [pid 9889] write(-1, "0x0000000000000001", 18 [pid 9887] <... futex resumed>) = ? [pid 9883] <... futex resumed>) = 0 [pid 554] <... restart_syscall resumed>) = 0 [pid 9890] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9883] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9890] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9890] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9883] <... futex resumed>) = 0 [pid 9883] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9890] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9883] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9883] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9883] <... futex resumed>) = 0 [pid 9890] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9890] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 9890] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9890] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9883] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 9891 [pid 9883] exit_group(0) = ? [pid 9890] <... futex resumed>) = ? [pid 9890] +++ exited with 0 +++ [pid 9889] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9887] +++ exited with 0 +++ [pid 9883] +++ exited with 0 +++ [pid 9882] +++ exited with 0 +++ [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9882, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9889] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9883, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 551] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 9891 attached [pid 9889] <... futex resumed>) = 1 [pid 9885] <... futex resumed>) = 0 [pid 9885] exit_group(0 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9885] <... exit_group resumed>) = ? [pid 9891] set_robust_list(0x55556dd196a0, 24) = 0 [pid 9891] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9891] setpgid(0, 0executing program ) = 0 [pid 9891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 9892 [pid 9891] <... openat resumed>) = 3 [pid 9891] write(3, "1000", 4) = 4 [pid 9891] close(3 [pid 553] <... restart_syscall resumed>) = 0 [pid 551] <... restart_syscall resumed>) = 0 [pid 9891] <... close resumed>) = 0 [pid 9891] write(1, "executing program\n", 18 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9891] <... write resumed>) = 18 [pid 9891] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9891] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9891] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9891] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9891] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9891] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9891] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 9893 [pid 9889] +++ exited with 0 +++ [pid 9885] +++ exited with 0 +++ [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 9894 [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9885, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 9891] <... clone3 resumed> => {parent_tid=[9895]}, 88) = 9895 [pid 9891] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9891] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9891] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9893 attached ./strace-static-x86_64: Process 9894 attached [pid 9894] set_robust_list(0x55556dd196a0, 24) = 0 [pid 9893] set_robust_list(0x55556dd196a0, 24./strace-static-x86_64: Process 9895 attached [pid 9894] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9893] <... set_robust_list resumed>) = 0 [pid 9894] <... prctl resumed>) = 0 [pid 9894] setpgid(0, 0) = 0 [pid 9894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9893] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9894] <... openat resumed>) = 3 ./strace-static-x86_64: Process 9892 attached [pid 9893] <... prctl resumed>) = 0 [pid 9892] set_robust_list(0x55556dd196a0, 24 [pid 9895] set_robust_list(0x7f70b115b9a0, 24 [pid 9894] write(3, "1000", 4) = 4 [pid 9894] close(3 [pid 9892] <... set_robust_list resumed>) = 0 [pid 9894] <... close resumed>) = 0 executing program [pid 9892] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9895] <... set_robust_list resumed>) = 0 [pid 9893] setpgid(0, 0 [pid 9894] write(1, "executing program\n", 18) = 18 [pid 9894] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9894] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9892] <... prctl resumed>) = 0 [pid 9894] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9892] setpgid(0, 0 [pid 9894] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9894] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9892] <... setpgid resumed>) = 0 [pid 9894] <... mmap resumed>) = 0x7f70b113b000 [pid 9895] rt_sigprocmask(SIG_SETMASK, [], [pid 9893] <... setpgid resumed>) = 0 [pid 9892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9894] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9894] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9892] <... openat resumed>) = 3 [pid 9894] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9894] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9892] write(3, "1000", 4) = 4 [pid 9892] close(3 [pid 9894] <... clone3 resumed> => {parent_tid=[9896]}, 88) = 9896 [pid 9892] <... close resumed>) = 0 [pid 9894] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 executing program [pid 9894] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9892] write(1, "executing program\n", 18 [pid 9894] <... futex resumed>) = 0 [pid 9892] <... write resumed>) = 18 [pid 9894] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9892] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9892] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9892] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9892] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9892] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9892] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9892] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9895] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9893] <... openat resumed>) = 3 ./strace-static-x86_64: Process 9897 attached [pid 9895] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9893] write(3, "1000", 4 [pid 9892] <... clone3 resumed> => {parent_tid=[9897]}, 88) = 9897 [pid 9892] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9892] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9892] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9896 attached [pid 9896] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9896] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9896] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9893] <... write resumed>) = 4 [pid 9897] set_robust_list(0x7f70b115b9a0, 24 [pid 9895] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9896] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9896] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9894] <... futex resumed>) = 0 [pid 9893] close(3 [pid 9895] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9893] <... close resumed>) = 0 [pid 9895] <... futex resumed>) = 1 [pid 9894] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9893] write(1, "executing program\n", 18 [pid 9891] <... futex resumed>) = 0 [pid 9894] <... futex resumed>) = 0 [pid 9891] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 9895] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9894] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9893] <... write resumed>) = 18 [pid 9891] <... futex resumed>) = 0 [pid 9893] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9891] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9895] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9893] <... futex resumed>) = 0 [pid 9896] <... futex resumed>) = 1 [pid 9896] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9895] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9893] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9895] <... futex resumed>) = 1 [pid 9893] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9891] <... futex resumed>) = 0 [pid 9895] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9893] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9891] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9895] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9893] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9891] <... futex resumed>) = 0 [pid 9895] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9891] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9895] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9893] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9895] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9893] <... mmap resumed>) = 0x7f70b113b000 [pid 9895] <... futex resumed>) = 1 [pid 9893] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9891] <... futex resumed>) = 0 [pid 9895] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9893] <... mprotect resumed>) = 0 [pid 9891] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9895] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9891] <... futex resumed>) = 0 [pid 9893] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9891] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9895] write(-1, "0x0000000000000001", 18 [pid 9893] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9895] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9893] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9895] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9896] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9896] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9894] <... futex resumed>) = 0 [pid 9895] <... futex resumed>) = 1 [pid 9894] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9891] <... futex resumed>) = 0 [pid 9895] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9894] <... futex resumed>) = 0 [pid 9893] <... clone3 resumed> => {parent_tid=[9898]}, 88) = 9898 [pid 9891] exit_group(0 [pid 9895] <... futex resumed>) = ? [pid 9894] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9893] rt_sigprocmask(SIG_SETMASK, [], [pid 9891] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 9898 attached [pid 9897] <... set_robust_list resumed>) = 0 [pid 9895] +++ exited with 0 +++ [pid 9893] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9891] +++ exited with 0 +++ [pid 552] <... restart_syscall resumed>) = 0 [pid 9893] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9891, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9896] <... futex resumed>) = 1 [pid 9896] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9893] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9896] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9896] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9894] <... futex resumed>) = 0 [pid 9894] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9894] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9896] <... futex resumed>) = 1 [pid 9896] write(-1, "0x0000000000000001", 18 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 9899 [pid 9896] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9896] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9894] <... futex resumed>) = 0 [pid 9894] exit_group(0) = ? [pid 9897] rt_sigprocmask(SIG_SETMASK, [], [pid 9896] <... futex resumed>) = ? [pid 9898] set_robust_list(0x7f70b115b9a0, 24 [pid 9897] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9896] +++ exited with 0 +++ [pid 9894] +++ exited with 0 +++ ./strace-static-x86_64: Process 9899 attached [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9894, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9899] set_robust_list(0x55556dd196a0, 24 [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 9899] <... set_robust_list resumed>) = 0 [pid 9899] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9899] setpgid(0, 0 [pid 9897] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9899] <... setpgid resumed>) = 0 [pid 9899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9897] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9899] <... openat resumed>) = 3 [pid 9899] write(3, "1000", 4) = 4 [pid 9899] close(3) = 0 [pid 9899] write(1, "executing program\n", 18executing program ) = 18 [pid 9899] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9899] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9897] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9899] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9899] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9899] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9899] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9899] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9899] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[9900]}, 88) = 9900 [pid 9899] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9899] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9899] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9897] <... futex resumed>) = 1 [pid 9892] <... futex resumed>) = 0 [pid 9892] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9892] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9900 attached [pid 9900] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9900] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9900] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9900] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9899] <... futex resumed>) = 0 [pid 9899] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9899] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9897] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9900] <... futex resumed>) = 1 [pid 9897] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9900] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9897] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9892] <... futex resumed>) = 0 [pid 9897] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9892] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9897] <... futex resumed>) = 0 [pid 9892] <... futex resumed>) = 1 [pid 9897] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9892] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9900] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9900] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9897] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9897] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9899] <... futex resumed>) = 0 [pid 9897] <... futex resumed>) = 1 [pid 9892] <... futex resumed>) = 0 [pid 9897] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9899] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9892] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9899] <... futex resumed>) = 0 [pid 9897] <... futex resumed>) = 0 [pid 9892] <... futex resumed>) = 1 [pid 9899] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9892] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9900] <... futex resumed>) = 1 [pid 9898] <... set_robust_list resumed>) = 0 [pid 9897] write(-1, "0x0000000000000001", 18 [pid 9900] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9898] rt_sigprocmask(SIG_SETMASK, [], [pid 9897] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9897] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9898] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9897] <... futex resumed>) = 1 [pid 9897] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9892] <... futex resumed>) = 0 [pid 9898] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9892] exit_group(0) = ? [pid 9898] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9897] <... futex resumed>) = ? [pid 554] <... restart_syscall resumed>) = 0 [pid 9900] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9900] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9899] <... futex resumed>) = 0 [pid 9899] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9899] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9900] <... futex resumed>) = 1 [pid 9900] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 9900] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9899] <... futex resumed>) = 0 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 9901 [pid 9899] exit_group(0) = ? [pid 9900] <... futex resumed>) = ? [pid 9897] +++ exited with 0 +++ [pid 9898] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9892] +++ exited with 0 +++ [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9892, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9898] <... futex resumed>) = 1 [pid 9893] <... futex resumed>) = 0 [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 9898] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9893] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9893] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9898] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9898] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9893] <... futex resumed>) = 0 [pid 9898] <... futex resumed>) = 1 [pid 9900] +++ exited with 0 +++ [pid 9899] +++ exited with 0 +++ [pid 9898] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9893] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9899, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9893] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9898] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 9898] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 9901 attached [pid 9901] set_robust_list(0x55556dd196a0, 24 [pid 555] <... restart_syscall resumed>) = 0 [pid 9898] <... futex resumed>) = 1 [pid 9893] <... futex resumed>) = 0 [pid 9893] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9901] <... set_robust_list resumed>) = 0 [pid 9901] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9893] <... futex resumed>) = 0 [pid 9898] write(-1, "0x0000000000000001", 18 [pid 9893] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9898] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9901] setpgid(0, 0) = 0 [pid 9901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9898] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 9902 [pid 9893] <... futex resumed>) = 0 [pid 9898] <... futex resumed>) = 1 [pid 9893] exit_group(0) = ? [pid 9901] <... openat resumed>) = 3 [pid 9901] write(3, "1000", 4executing program [pid 551] <... restart_syscall resumed>) = 0 [pid 9901] <... write resumed>) = 4 [pid 9901] close(3 [pid 552] <... restart_syscall resumed>) = 0 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9901] <... close resumed>) = 0 [pid 9901] write(1, "executing program\n", 18) = 18 [pid 9901] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9901] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 9903 [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9901] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9901] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9901] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9901] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 9904 [pid 9901] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9901] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[9905]}, 88) = 9905 [pid 9901] rt_sigprocmask(SIG_SETMASK, [], [pid 9898] +++ exited with 0 +++ [pid 9893] +++ exited with 0 +++ [pid 9901] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9893, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9901] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 9901] <... futex resumed>) = 0 [pid 9901] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9904 attached [pid 9904] set_robust_list(0x55556dd196a0, 24) = 0 [pid 9904] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9904] setpgid(0, 0) = 0 [pid 9904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 9903 attached ) = 3 [pid 9904] write(3, "1000", 4) = 4 [pid 9904] close(3executing program ) = 0 [pid 9904] write(1, "executing program\n", 18) = 18 [pid 9904] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9904] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9904] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9904] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9904] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9904] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9903] set_robust_list(0x55556dd196a0, 24./strace-static-x86_64: Process 9902 attached [pid 9902] set_robust_list(0x55556dd196a0, 24) = 0 [pid 9902] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9904] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9903] <... set_robust_list resumed>) = 0 [pid 9904] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9903] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9902] <... prctl resumed>) = 0 [pid 9902] setpgid(0, 0) = 0 [pid 9902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9903] <... prctl resumed>) = 0 [pid 9902] <... openat resumed>) = 3 [pid 9903] setpgid(0, 0 [pid 9902] write(3, "1000", 4) = 4 [pid 9903] <... setpgid resumed>) = 0 [pid 9902] close(3executing program ) = 0 ./strace-static-x86_64: Process 9905 attached [pid 9905] set_robust_list(0x7f70b115b9a0, 24 [pid 9902] write(1, "executing program\n", 18 [pid 9905] <... set_robust_list resumed>) = 0 [pid 9902] <... write resumed>) = 18 [pid 9905] rt_sigprocmask(SIG_SETMASK, [], [pid 9902] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9905] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9905] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9902] <... futex resumed>) = 0 ./strace-static-x86_64: Process 9906 attached [pid 9903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9902] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9902] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9905] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9902] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9905] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9902] <... mmap resumed>) = 0x7f70b113b000 [pid 9901] <... futex resumed>) = 0 [pid 9901] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9901] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9905] <... futex resumed>) = 1 [pid 9905] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9903] <... openat resumed>) = 3 [pid 9905] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9902] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9903] write(3, "1000", 4 [pid 9906] set_robust_list(0x7f70b115b9a0, 24 [pid 9905] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9903] <... write resumed>) = 4 [pid 9904] <... clone3 resumed> => {parent_tid=[9906]}, 88) = 9906 [pid 9901] <... futex resumed>) = 0 [pid 9901] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9901] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9905] <... futex resumed>) = 1 [pid 9904] rt_sigprocmask(SIG_SETMASK, [], [pid 9905] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9904] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9905] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9903] close(3 [pid 9904] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9904] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9905] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9902] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9901] <... futex resumed>) = 0 [pid 9901] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9901] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9905] <... futex resumed>) = 1 [pid 9905] write(-1, "0x0000000000000001", 18 [pid 9906] <... set_robust_list resumed>) = 0 [pid 9903] <... close resumed>) = 0 [pid 9902] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9902] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} executing program [pid 9903] write(1, "executing program\n", 18) = 18 [pid 9905] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9903] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9905] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9901] <... futex resumed>) = 0 [pid 9901] exit_group(0 [pid 9903] <... futex resumed>) = 0 [pid 9901] <... exit_group resumed>) = ? [pid 9903] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9903] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 553] <... restart_syscall resumed>) = 0 [pid 9903] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9905] <... futex resumed>) = ? ./strace-static-x86_64: Process 9907 attached [pid 9906] rt_sigprocmask(SIG_SETMASK, [], [pid 9905] +++ exited with 0 +++ [pid 9903] <... mmap resumed>) = 0x7f70b113b000 [pid 9901] +++ exited with 0 +++ [pid 9902] <... clone3 resumed> => {parent_tid=[9907]}, 88) = 9907 [pid 9902] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9902] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9902] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9903] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9903] <... mprotect resumed>) = 0 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9901, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 554] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 9908 attached [pid 9903] rt_sigprocmask(SIG_BLOCK, ~[], [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 9908 [pid 9906] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9903] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9903] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9906] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9908] set_robust_list(0x55556dd196a0, 24) = 0 [pid 9906] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9908] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9908] setpgid(0, 0) = 0 [pid 9908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9906] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9903] <... clone3 resumed> => {parent_tid=[9909]}, 88) = 9909 [pid 9907] set_robust_list(0x7f70b115b9a0, 24 [pid 9903] rt_sigprocmask(SIG_SETMASK, [], [pid 9906] <... futex resumed>) = 1 [pid 9903] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9906] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9904] <... futex resumed>) = 0 [pid 9903] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9904] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9906] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9903] <... futex resumed>) = 0 [pid 9904] <... futex resumed>) = 0 [pid 9906] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9903] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9904] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9908] write(3, "1000", 4 [pid 9906] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9908] <... write resumed>) = 4 [pid 9908] close(3) = 0 executing program [pid 9906] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9908] write(1, "executing program\n", 18) = 18 [pid 9908] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9908] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9908] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9908] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9908] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9906] <... futex resumed>) = 1 [pid 9904] <... futex resumed>) = 0 [pid 9904] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9904] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9908] <... mprotect resumed>) = 0 [pid 9906] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9908] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9908] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[9910]}, 88) = 9910 [pid 9907] <... set_robust_list resumed>) = 0 [pid 9906] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9908] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9908] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9906] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9908] <... futex resumed>) = 0 [pid 9906] <... futex resumed>) = 1 [pid 9904] <... futex resumed>) = 0 [pid 9906] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9904] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9906] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9904] <... futex resumed>) = 0 [pid 9906] write(-1, "0x0000000000000001", 18 [pid 9904] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9906] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9908] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9906] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9904] <... futex resumed>) = 0 [pid 9906] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9904] exit_group(0 [pid 9906] <... futex resumed>) = ? [pid 9904] <... exit_group resumed>) = ? [pid 9907] rt_sigprocmask(SIG_SETMASK, [], [pid 9906] +++ exited with 0 +++ [pid 9904] +++ exited with 0 +++ ./strace-static-x86_64: Process 9909 attached [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9904, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9909] set_robust_list(0x7f70b115b9a0, 24 [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 9909] <... set_robust_list resumed>) = 0 [pid 9909] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9909] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9907] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9909] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9909] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9903] <... futex resumed>) = 0 [pid 554] <... restart_syscall resumed>) = 0 [pid 9903] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9909] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9903] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9909] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9909] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9909] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 9910 attached [pid 9910] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9910] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9910] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9903] <... futex resumed>) = 0 [pid 9903] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 9911 [pid 9909] <... futex resumed>) = 0 [pid 9903] <... futex resumed>) = 1 [pid 9909] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9903] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9910] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9909] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9910] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9908] <... futex resumed>) = 0 [pid 9908] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9908] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9910] <... futex resumed>) = 1 [pid 9910] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 9910] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9908] <... futex resumed>) = 0 [pid 9908] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9908] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9910] <... futex resumed>) = 1 [pid 9910] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 9910] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9908] <... futex resumed>) = 0 [pid 9908] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9908] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9910] <... futex resumed>) = 1 [pid 9910] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 9910] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9908] <... futex resumed>) = 0 [pid 9909] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9908] exit_group(0) = ? [pid 9909] <... futex resumed>) = 1 [pid 9907] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9903] <... futex resumed>) = 0 [pid 9909] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9903] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9909] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9907] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9903] <... futex resumed>) = 0 [pid 9903] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9909] write(-1, "0x0000000000000001", 18 [pid 9907] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9910] <... futex resumed>) = ? [pid 9909] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9907] <... futex resumed>) = 1 [pid 9909] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9902] <... futex resumed>) = 0 [pid 9903] <... futex resumed>) = 0 [pid 9902] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9909] <... futex resumed>) = 1 [pid 9907] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9909] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9903] exit_group(0 [pid 9902] <... futex resumed>) = 0 [pid 9909] <... futex resumed>) = ? [pid 9903] <... exit_group resumed>) = ? [pid 9902] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9907] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9910] +++ exited with 0 +++ [pid 9909] +++ exited with 0 +++ [pid 9908] +++ exited with 0 +++ [pid 9907] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9903] +++ exited with 0 +++ [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9908, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 552] <... restart_syscall resumed>) = 0 [pid 9907] <... futex resumed>) = 1 [pid 9902] <... futex resumed>) = 0 [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9903, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9902] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] <... restart_syscall resumed>) = 0 [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 9902] <... futex resumed>) = 0 [pid 9902] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 9907] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 551] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 9911 attached [pid 9911] set_robust_list(0x55556dd196a0, 24) = 0 [pid 9911] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9911] setpgid(0, 0) = 0 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 9912 [pid 9911] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 9913 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9907] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9911] write(3, "1000", 4) = 4 [pid 9911] close(3) = 0 [pid 9911] write(1, "executing program\n", 18) = 18 [pid 9911] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9907] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 9914 [pid 9911] <... futex resumed>) = 0 [pid 9907] <... futex resumed>) = 1 [pid 9902] <... futex resumed>) = 0 [pid 9902] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9902] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9911] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9911] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9911] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9911] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9911] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9907] write(-1, "0x0000000000000001", 18./strace-static-x86_64: Process 9912 attached [pid 9911] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9911] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9907] <... write resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 9914 attached [pid 9907] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9911] <... clone3 resumed> => {parent_tid=[9915]}, 88) = 9915 [pid 9911] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9907] <... futex resumed>) = 1 [pid 9902] <... futex resumed>) = 0 [pid 9907] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9902] exit_group(0) = ? [pid 9907] <... futex resumed>) = ? [pid 9911] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9911] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9913 attached [pid 9913] set_robust_list(0x55556dd196a0, 24) = 0 [pid 9913] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9913] setpgid(0, 0) = 0 [pid 9907] +++ exited with 0 +++ [pid 9902] +++ exited with 0 +++ [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9902, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 9913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9912] set_robust_list(0x55556dd196a0, 24 [pid 9914] set_robust_list(0x55556dd196a0, 24 [pid 9913] write(3, "1000", 4) = 4 [pid 9913] close(3) = 0 [pid 9913] write(1, "executing program\n", 18executing program [pid 9912] <... set_robust_list resumed>) = 0 [pid 9913] <... write resumed>) = 18 [pid 9913] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9913] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9913] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9913] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9913] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9913] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9913] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9912] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9914] <... set_robust_list resumed>) = 0 [pid 9913] <... clone3 resumed> => {parent_tid=[9916]}, 88) = 9916 [pid 9913] rt_sigprocmask(SIG_SETMASK, [], [pid 9914] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9912] <... prctl resumed>) = 0 [pid 9913] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9913] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9913] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9914] <... prctl resumed>) = 0 [pid 9912] setpgid(0, 0./strace-static-x86_64: Process 9915 attached [pid 9914] setpgid(0, 0 [pid 9912] <... setpgid resumed>) = 0 [pid 9915] set_robust_list(0x7f70b115b9a0, 24 [pid 9914] <... setpgid resumed>) = 0 [pid 9915] <... set_robust_list resumed>) = 0 [pid 9915] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9915] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9915] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9914] <... openat resumed>) = 3 [pid 9915] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9912] <... openat resumed>) = 3 [pid 9914] write(3, "1000", 4 [pid 9911] <... futex resumed>) = 0 [pid 9911] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9911] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9915] <... futex resumed>) = 1 [pid 9915] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 9915] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9911] <... futex resumed>) = 0 [pid 9911] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9911] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9915] <... futex resumed>) = 1 [pid 9915] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 9915] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9911] <... futex resumed>) = 0 [pid 9911] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9911] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9915] <... futex resumed>) = 1 [pid 9915] write(-1, "0x0000000000000001", 18 [pid 9914] <... write resumed>) = 4 [pid 9912] write(3, "1000", 4 [pid 9914] close(3 [pid 555] <... restart_syscall resumed>) = 0 [pid 9912] <... write resumed>) = 4 [pid 9914] <... close resumed>) = 0 [pid 9915] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9915] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9914] write(1, "executing program\n", 18 [pid 9912] close(3executing program [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9911] <... futex resumed>) = 0 [pid 9911] exit_group(0) = ? [pid 9915] <... futex resumed>) = ? ./strace-static-x86_64: Process 9917 attached [pid 9915] +++ exited with 0 +++ [pid 9914] <... write resumed>) = 18 [pid 9912] <... close resumed>) = 0 [pid 9911] +++ exited with 0 +++ [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 9917 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9911, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 9914] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9912] write(1, "executing program\n", 18./strace-static-x86_64: Process 9916 attached [pid 9916] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9916] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9916] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9916] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9913] <... futex resumed>) = 0 [pid 9913] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9913] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9916] <... futex resumed>) = 1 executing program [pid 9916] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 9916] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9913] <... futex resumed>) = 0 [pid 9914] <... futex resumed>) = 0 [pid 9912] <... write resumed>) = 18 [pid 9914] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9912] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9914] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9912] <... futex resumed>) = 0 [pid 9914] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9912] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9914] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9912] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9914] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9912] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9913] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9913] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9912] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9914] <... mmap resumed>) = 0x7f70b113b000 [pid 9914] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9912] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9916] <... futex resumed>) = 1 [pid 9914] <... mprotect resumed>) = 0 [pid 9912] <... mmap resumed>) = 0x7f70b113b000 [pid 9916] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9912] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9916] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9916] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9912] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9914] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9912] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9914] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9912] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9914] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9913] <... futex resumed>) = 0 [pid 9913] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9913] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9916] <... futex resumed>) = 1 [pid 9912] <... clone3 resumed> => {parent_tid=[9918]}, 88) = 9918 [pid 9914] <... clone3 resumed> => {parent_tid=[9919]}, 88) = 9919 [pid 9912] rt_sigprocmask(SIG_SETMASK, [], [pid 9914] rt_sigprocmask(SIG_SETMASK, [], [pid 9912] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9914] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9912] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9916] write(-1, "0x0000000000000001", 18 [pid 9914] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9912] <... futex resumed>) = 0 [pid 9914] <... futex resumed>) = 0 [pid 9912] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9914] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9916] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9916] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9913] <... futex resumed>) = 0 [pid 9913] exit_group(0) = ? [pid 9916] <... futex resumed>) = ? [pid 9917] set_robust_list(0x55556dd196a0, 24 [pid 9916] +++ exited with 0 +++ [pid 9913] +++ exited with 0 +++ ./strace-static-x86_64: Process 9918 attached [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9913, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 9919 attached [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 9918] set_robust_list(0x7f70b115b9a0, 24 [pid 9919] set_robust_list(0x7f70b115b9a0, 24 [pid 9918] <... set_robust_list resumed>) = 0 [pid 9919] <... set_robust_list resumed>) = 0 [pid 9918] rt_sigprocmask(SIG_SETMASK, [], [pid 9919] rt_sigprocmask(SIG_SETMASK, [], [pid 9918] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9919] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9918] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9919] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9918] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9918] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9919] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9912] <... futex resumed>) = 0 [pid 9912] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9912] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9919] <... futex resumed>) = 1 [pid 9914] <... futex resumed>) = 0 [pid 9917] <... set_robust_list resumed>) = 0 [pid 9914] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9918] <... futex resumed>) = 1 [pid 9914] <... futex resumed>) = 0 [pid 9918] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9914] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9917] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9919] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9918] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9919] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9919] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9918] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9919] <... futex resumed>) = 1 [pid 9914] <... futex resumed>) = 0 [pid 9917] <... prctl resumed>) = 0 [pid 9914] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9912] <... futex resumed>) = 0 [pid 9917] setpgid(0, 0 [pid 9914] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9912] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9917] <... setpgid resumed>) = 0 [pid 9912] <... futex resumed>) = 0 [pid 9912] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9918] <... futex resumed>) = 1 [pid 9919] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9918] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9919] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9918] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 554] <... restart_syscall resumed>) = 0 [pid 9918] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9919] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9912] <... futex resumed>) = 0 [pid 9912] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9912] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9918] <... futex resumed>) = 1 [pid 9919] <... futex resumed>) = 1 [pid 9918] write(-1, "0x0000000000000001", 18 [pid 9919] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9918] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9918] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9912] <... futex resumed>) = 0 [pid 9912] exit_group(0 [pid 9914] <... futex resumed>) = 0 [pid 9912] <... exit_group resumed>) = ? [pid 9914] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 9920 [pid 9917] <... openat resumed>) = 3 [pid 9914] <... futex resumed>) = 1 [pid 9917] write(3, "1000", 4 [pid 9914] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9919] <... futex resumed>) = 0 [pid 9917] <... write resumed>) = 4 [pid 9919] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 9918] <... futex resumed>) = ? ./strace-static-x86_64: Process 9920 attached [pid 9919] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9918] +++ exited with 0 +++ [pid 9917] close(3 [pid 9912] +++ exited with 0 +++ [pid 9919] <... futex resumed>) = 1 [pid 9914] <... futex resumed>) = 0 [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9912, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9917] <... close resumed>) = 0 [pid 9919] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9914] exit_group(0 [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 9919] <... futex resumed>) = ? [pid 9914] <... exit_group resumed>) = ? [pid 9920] set_robust_list(0x55556dd196a0, 24 [pid 9919] +++ exited with 0 +++ [pid 9917] write(1, "executing program\n", 18 [pid 9914] +++ exited with 0 +++ executing program [pid 9917] <... write resumed>) = 18 [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9914, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9917] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 9917] <... futex resumed>) = 0 [pid 9917] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9917] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9917] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9917] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9917] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9917] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0}./strace-static-x86_64: Process 9921 attached => {parent_tid=[9921]}, 88) = 9921 [pid 9921] set_robust_list(0x7f70b115b9a0, 24 [pid 9917] rt_sigprocmask(SIG_SETMASK, [], [pid 9921] <... set_robust_list resumed>) = 0 [pid 9917] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9921] rt_sigprocmask(SIG_SETMASK, [], [pid 9917] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 552] <... restart_syscall resumed>) = 0 [pid 9921] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9921] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9921] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9921] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 553] <... restart_syscall resumed>) = 0 [pid 9917] <... futex resumed>) = 0 [pid 551] <... restart_syscall resumed>) = 0 [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9917] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9922 attached [pid 9922] set_robust_list(0x55556dd196a0, 24) = 0 [pid 9922] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9922] setpgid(0, 0) = 0 [pid 9922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 9922 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 9923 [pid 9917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9922] <... openat resumed>) = 3 [pid 9922] write(3, "1000", 4) = 4 [pid 9922] close(3 [pid 9917] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 9925 [pid 9922] <... close resumed>) = 0 [pid 9922] write(1, "executing program\n", 18 [pid 9917] <... futex resumed>) = 1 [pid 9921] <... futex resumed>) = 0 [pid 9917] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9921] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATHexecuting program ) = -1 ENOENT (No such file or directory) [pid 9920] <... set_robust_list resumed>) = 0 [pid 9921] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9921] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9922] <... write resumed>) = 18 [pid 9917] <... futex resumed>) = 0 [pid 9917] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9921] <... futex resumed>) = 0 [pid 9917] <... futex resumed>) = 1 [pid 9921] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9917] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9921] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9921] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9917] <... futex resumed>) = 0 [pid 9921] write(-1, "0x0000000000000001", 18 [pid 9920] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9917] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9921] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9921] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9920] <... prctl resumed>) = 0 [pid 9917] <... futex resumed>) = 0 [pid 9921] <... futex resumed>) = 0 [pid 9917] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9920] setpgid(0, 0 [pid 9917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9921] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9917] exit_group(0 [pid 9920] <... setpgid resumed>) = 0 [pid 9917] <... exit_group resumed>) = ? [pid 9921] <... futex resumed>) = ? [pid 9921] +++ exited with 0 +++ [pid 9920] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9917] +++ exited with 0 +++ [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9917, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9922] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 9922] <... futex resumed>) = 0 [pid 9920] <... openat resumed>) = 3 [pid 9922] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9922] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9922] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9922] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9922] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9920] write(3, "1000", 4 [pid 9922] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9922] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0}executing program executing program [pid 9920] <... write resumed>) = 4 [pid 9922] <... clone3 resumed> => {parent_tid=[9926]}, 88) = 9926 [pid 9920] close(3 [pid 9922] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9922] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9922] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9923 attached [pid 9923] set_robust_list(0x55556dd196a0, 24 [pid 9920] <... close resumed>) = 0 [pid 9923] <... set_robust_list resumed>) = 0 [pid 9920] write(1, "executing program\n", 18) = 18 [pid 9920] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9923] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9923] setpgid(0, 0) = 0 [pid 9920] <... futex resumed>) = 0 ./strace-static-x86_64: Process 9925 attached [pid 9920] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9925] set_robust_list(0x55556dd196a0, 24 [pid 9923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9925] <... set_robust_list resumed>) = 0 [pid 9923] <... openat resumed>) = 3 [pid 9925] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9920] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9923] write(3, "1000", 4 [pid 9925] <... prctl resumed>) = 0 [pid 9923] <... write resumed>) = 4 [pid 9925] setpgid(0, 0 [pid 9923] close(3) = 0 [pid 9925] <... setpgid resumed>) = 0 [pid 9925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9920] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9923] write(1, "executing program\n", 18 [pid 9920] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9923] <... write resumed>) = 18 [pid 9920] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9923] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9920] <... mmap resumed>) = 0x7f70b113b000 [pid 9923] <... futex resumed>) = 0 [pid 9920] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9923] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9920] <... mprotect resumed>) = 0 [pid 555] <... restart_syscall resumed>) = 0 [pid 9923] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9923] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9920] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9925] <... openat resumed>) = 3 [pid 9923] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9923] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9920] <... rt_sigprocmask resumed>[], 8) = 0 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 9927 [pid 9920] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9923] <... mprotect resumed>) = 0 executing program [pid 9923] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9920] <... clone3 resumed> => {parent_tid=[9928]}, 88) = 9928 ./strace-static-x86_64: Process 9927 attached [pid 9920] rt_sigprocmask(SIG_SETMASK, [], [pid 9925] write(3, "1000", 4 [pid 9920] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9925] <... write resumed>) = 4 [pid 9920] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9925] close(3 [pid 9920] <... futex resumed>) = 0 [pid 9925] <... close resumed>) = 0 [pid 9920] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9925] write(1, "executing program\n", 18) = 18 [pid 9925] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9923] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9923] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9925] <... futex resumed>) = 0 [pid 9925] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9925] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9925] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9923] <... clone3 resumed> => {parent_tid=[9929]}, 88) = 9929 [pid 9925] <... mmap resumed>) = 0x7f70b113b000 [pid 9923] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9925] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9923] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9925] <... mprotect resumed>) = 0 [pid 9923] <... futex resumed>) = 0 [pid 9927] set_robust_list(0x55556dd196a0, 24 [pid 9925] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9923] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9925] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9925] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0}./strace-static-x86_64: Process 9928 attached ./strace-static-x86_64: Process 9930 attached [pid 9927] <... set_robust_list resumed>) = 0 [pid 9925] <... clone3 resumed> => {parent_tid=[9930]}, 88) = 9930 [pid 9925] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9925] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9925] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9926 attached [pid 9926] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9926] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9926] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9926] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9922] <... futex resumed>) = 0 [pid 9922] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9926] <... futex resumed>) = 1 [pid 9922] <... futex resumed>) = 0 [pid 9926] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9922] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9926] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9926] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9922] <... futex resumed>) = 0 [pid 9926] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9922] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9926] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9922] <... futex resumed>) = 0 [pid 9926] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9922] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9926] <... futex resumed>) = 0 [pid 9922] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9926] write(-1, "0x0000000000000001", 18 [pid 9922] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9926] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9922] <... futex resumed>) = 0 [pid 9926] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9922] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9926] <... futex resumed>) = 0 [pid 9922] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9926] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9922] exit_group(0 [pid 9926] <... futex resumed>) = ? [pid 9922] <... exit_group resumed>) = ? [pid 9930] set_robust_list(0x7f70b115b9a0, 24 [pid 9928] set_robust_list(0x7f70b115b9a0, 24 [pid 9927] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9926] +++ exited with 0 +++ [pid 9922] +++ exited with 0 +++ ./strace-static-x86_64: Process 9929 attached [pid 9928] <... set_robust_list resumed>) = 0 [pid 9927] <... prctl resumed>) = 0 [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9922, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9929] set_robust_list(0x7f70b115b9a0, 24 [pid 9928] rt_sigprocmask(SIG_SETMASK, [], [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 9927] setpgid(0, 0 [pid 9928] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9929] <... set_robust_list resumed>) = 0 [pid 9929] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9929] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9929] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9923] <... futex resumed>) = 0 [pid 9923] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9929] <... futex resumed>) = 1 [pid 9923] <... futex resumed>) = 0 [pid 9929] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9923] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9929] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9929] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9923] <... futex resumed>) = 0 [pid 9929] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9923] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9929] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9923] <... futex resumed>) = 0 [pid 9929] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9923] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9929] <... futex resumed>) = 0 [pid 9923] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9929] write(-1, "0x0000000000000001", 18 [pid 9923] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9929] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9923] <... futex resumed>) = 0 [pid 9929] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9923] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9929] <... futex resumed>) = 0 [pid 9928] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9927] <... setpgid resumed>) = 0 [pid 9923] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9929] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9923] exit_group(0 [pid 9929] <... futex resumed>) = ? [pid 9928] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9923] <... exit_group resumed>) = ? [pid 9930] <... set_robust_list resumed>) = 0 [pid 9929] +++ exited with 0 +++ [pid 9928] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9927] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9923] +++ exited with 0 +++ [pid 9928] <... futex resumed>) = 1 [pid 9920] <... futex resumed>) = 0 [pid 9920] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9928] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9923, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9920] <... futex resumed>) = 0 [pid 9927] <... openat resumed>) = 3 [pid 9920] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 9928] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9927] write(3, "1000", 4 [pid 9928] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9930] rt_sigprocmask(SIG_SETMASK, [], [pid 9927] <... write resumed>) = 4 executing program [pid 9928] <... futex resumed>) = 1 [pid 9927] close(3 [pid 9920] <... futex resumed>) = 0 [pid 9930] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9928] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9927] <... close resumed>) = 0 [pid 9920] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9928] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9927] write(1, "executing program\n", 18 [pid 9920] <... futex resumed>) = 0 [pid 9930] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9928] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9927] <... write resumed>) = 18 [pid 9920] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9928] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9927] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9930] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9928] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9927] <... futex resumed>) = 0 [pid 9920] <... futex resumed>) = 0 [pid 9928] <... futex resumed>) = 1 [pid 9930] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9927] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9920] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9930] <... futex resumed>) = 1 [pid 9928] write(-1, "0x0000000000000001", 18 [pid 9927] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9925] <... futex resumed>) = 0 [pid 9920] <... futex resumed>) = 0 [pid 9930] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9928] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9927] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9925] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9920] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9930] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9928] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9927] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9925] <... futex resumed>) = 0 [pid 9930] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9928] <... futex resumed>) = 0 [pid 9927] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9925] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9920] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9930] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9928] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9927] <... mmap resumed>) = 0x7f70b113b000 [pid 9920] exit_group(0 [pid 9928] <... futex resumed>) = ? [pid 9927] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9920] <... exit_group resumed>) = ? [pid 9930] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9928] +++ exited with 0 +++ [pid 9927] <... mprotect resumed>) = 0 [pid 9927] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9927] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0}./strace-static-x86_64: Process 9931 attached [pid 9930] <... futex resumed>) = 1 [pid 9925] <... futex resumed>) = 0 [pid 9920] +++ exited with 0 +++ [pid 9927] <... clone3 resumed> => {parent_tid=[9931]}, 88) = 9931 [pid 9925] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9931] set_robust_list(0x7f70b115b9a0, 24 [pid 9930] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9927] rt_sigprocmask(SIG_SETMASK, [], [pid 9931] <... set_robust_list resumed>) = 0 [pid 9930] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9927] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9925] <... futex resumed>) = 0 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9920, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9931] rt_sigprocmask(SIG_SETMASK, [], [pid 9930] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9927] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9925] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 9931] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9930] <... futex resumed>) = 0 [pid 9927] <... futex resumed>) = 0 [pid 9925] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9930] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9927] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9925] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9931] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9930] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9925] <... futex resumed>) = 0 [pid 9925] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9931] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9930] write(-1, "0x0000000000000001", 18 [pid 9931] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9930] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9930] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9931] <... futex resumed>) = 1 [pid 9927] <... futex resumed>) = 0 [pid 9930] <... futex resumed>) = 1 [pid 9927] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9925] <... futex resumed>) = 0 [pid 9931] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9930] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9927] <... futex resumed>) = 0 [pid 9925] exit_group(0 [pid 553] <... restart_syscall resumed>) = 0 [pid 552] <... restart_syscall resumed>) = 0 [pid 9927] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9931] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9930] <... futex resumed>) = ? [pid 9925] <... exit_group resumed>) = ? [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 9932 attached [pid 9932] set_robust_list(0x55556dd196a0, 24) = 0 [pid 9932] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 9932 [pid 9932] <... prctl resumed>) = 0 [pid 9932] setpgid(0, 0) = 0 [pid 9932] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9930] +++ exited with 0 +++ [pid 9931] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9925] +++ exited with 0 +++ [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 9933 [pid 9932] write(3, "1000", 4 [pid 9931] <... futex resumed>) = 1 [pid 9927] <... futex resumed>) = 0 [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9925, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9931] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9927] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 9927] <... futex resumed>) = 0 [pid 9931] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9927] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9932] <... write resumed>) = 4 [pid 9931] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9932] close(3) = 0 [pid 9932] write(1, "executing program\n", 18executing program ) = 18 [pid 9932] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9932] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9932] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9932] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9932] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9932] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9931] <... futex resumed>) = 1 [pid 9927] <... futex resumed>) = 0 [pid 9932] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9927] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9932] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9927] <... futex resumed>) = 0 [pid 9931] write(-1, "0x0000000000000001", 18 [pid 9927] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9931] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9932] <... clone3 resumed> => {parent_tid=[9934]}, 88) = 9934 [pid 9931] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9932] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9932] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9932] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9927] <... futex resumed>) = 0 [pid 9931] <... futex resumed>) = 1 [pid 9927] exit_group(0) = ? ./strace-static-x86_64: Process 9933 attached [pid 9933] set_robust_list(0x55556dd196a0, 24) = 0 [pid 9933] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9933] setpgid(0, 0) = 0 [pid 9933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9931] +++ exited with 0 +++ [pid 9927] +++ exited with 0 +++ [pid 9933] <... openat resumed>) = 3 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9927, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 9934 attached [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 9933] write(3, "1000", 4) = 4 [pid 9933] close(3) = 0 [pid 9933] write(1, "executing program\n", 18 [pid 554] <... restart_syscall resumed>) = 0 executing program [pid 9933] <... write resumed>) = 18 [pid 9933] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9933] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9933] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9933] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9933] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9933] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9933] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 9935 [pid 9933] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[9936]}, 88) = 9936 [pid 9933] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9933] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9933] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9935 attached [pid 9935] set_robust_list(0x55556dd196a0, 24) = 0 [pid 9935] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9934] set_robust_list(0x7f70b115b9a0, 24 [pid 9935] <... prctl resumed>) = 0 [pid 9935] setpgid(0, 0) = 0 [pid 9935] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9935] write(3, "1000", 4) = 4 [pid 9935] close(3) = 0 executing program [pid 9935] write(1, "executing program\n", 18) = 18 [pid 9935] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9935] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9935] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9935] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9935] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 555] <... restart_syscall resumed>) = 0 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9935] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9935] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[9937]}, 88) = 9937 [pid 9935] rt_sigprocmask(SIG_SETMASK, [], [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 9938 [pid 9935] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9935] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9935] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9937 attached [pid 9937] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9937] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9937] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9934] <... set_robust_list resumed>) = 0 [pid 9937] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9937] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9935] <... futex resumed>) = 0 [pid 9935] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9935] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9937] <... futex resumed>) = 1 [pid 9937] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 9937] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9935] <... futex resumed>) = 0 [pid 9935] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9935] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9937] <... futex resumed>) = 1 [pid 9937] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 9937] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9935] <... futex resumed>) = 0 [pid 9935] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9935] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9937] <... futex resumed>) = 1 [pid 9937] write(-1, "0x0000000000000001", 18 [pid 551] <... restart_syscall resumed>) = 0 [pid 9934] rt_sigprocmask(SIG_SETMASK, [], [pid 9937] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9937] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9935] <... futex resumed>) = 0 [pid 9935] exit_group(0 [pid 9934] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9935] <... exit_group resumed>) = ? [pid 9937] <... futex resumed>) = ? [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 9939 [pid 9934] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) ./strace-static-x86_64: Process 9938 attached ./strace-static-x86_64: Process 9936 attached [pid 9937] +++ exited with 0 +++ [pid 9935] +++ exited with 0 +++ [pid 9934] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9935, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9934] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9932] <... futex resumed>) = 0 [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 9934] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9932] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9932] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9939 attached [pid 9939] set_robust_list(0x55556dd196a0, 24 [pid 9934] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9938] set_robust_list(0x55556dd196a0, 24 [pid 9939] <... set_robust_list resumed>) = 0 [pid 9939] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9939] setpgid(0, 0) = 0 [pid 9939] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9934] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9938] <... set_robust_list resumed>) = 0 [pid 9936] set_robust_list(0x7f70b115b9a0, 24 [pid 9934] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9939] write(3, "1000", 4 [pid 9934] <... futex resumed>) = 1 [pid 9932] <... futex resumed>) = 0 [pid 9938] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9934] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9932] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9938] <... prctl resumed>) = 0 [pid 9934] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9932] <... futex resumed>) = 0 [pid 9934] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9938] setpgid(0, 0 [pid 9932] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9939] <... write resumed>) = 4 [pid 9938] <... setpgid resumed>) = 0 [pid 9934] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9939] close(3 [pid 9934] <... futex resumed>) = 1 [pid 9932] <... futex resumed>) = 0 [pid 9934] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9932] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9938] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9932] <... futex resumed>) = 0 [pid 9932] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9934] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 9934] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9938] <... openat resumed>) = 3 [pid 9934] <... futex resumed>) = 1 [pid 9938] write(3, "1000", 4 [pid 9934] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9932] <... futex resumed>) = 0 [pid 9938] <... write resumed>) = 4 [pid 9932] exit_group(0) = ? [pid 9938] close(3 [pid 9936] <... set_robust_list resumed>) = 0 [pid 9938] <... close resumed>) = 0 [pid 9934] <... futex resumed>) = ? [pid 9938] write(1, "executing program\n", 18 [pid 9936] rt_sigprocmask(SIG_SETMASK, [], [pid 9934] +++ exited with 0 +++ [pid 9932] +++ exited with 0 +++ executing program [pid 9938] <... write resumed>) = 18 [pid 554] <... restart_syscall resumed>) = 0 [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9932, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 9939] <... close resumed>) = 0 [pid 9938] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9939] write(1, "executing program\n", 18 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 9938] <... futex resumed>) = 0 [pid 9939] <... write resumed>) = 18 [pid 9939] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9939] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9939] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9939] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9938] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9939] <... mmap resumed>) = 0x7f70b113b000 [pid 9938] <... rt_sigaction resumed>NULL, 8) = 0 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 9940 [pid 9939] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9938] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9936] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9939] <... mprotect resumed>) = 0 [pid 9938] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9939] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9939] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[9941]}, 88) = 9941 [pid 9939] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9939] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9939] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9940 attached [pid 9940] set_robust_list(0x55556dd196a0, 24) = 0 [pid 9940] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9940] setpgid(0, 0) = 0 [pid 9940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9938] <... mmap resumed>) = 0x7f70b113b000 [pid 9936] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9938] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9940] <... openat resumed>) = 3 [pid 9938] <... mprotect resumed>) = 0 [pid 9936] <... bpf resumed>, buf="cgroup", 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 9940] write(3, "1000", 4) = 4 [pid 9940] close(3) = 0 [pid 9938] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9936] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9940] write(1, "executing program\n", 18) = 18 [pid 9940] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9940] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9940] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9940] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9940] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9940] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9938] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9936] <... futex resumed>) = 1 [pid 9933] <... futex resumed>) = 0 [pid 9933] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9938] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9933] <... futex resumed>) = 0 [pid 9936] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9933] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9940] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9936] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9938] <... clone3 resumed> => {parent_tid=[9942]}, 88) = 9942 [pid 9940] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9938] rt_sigprocmask(SIG_SETMASK, [], [pid 9936] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9938] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9938] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9933] <... futex resumed>) = 0 [pid 9938] <... futex resumed>) = 0 [pid 9936] <... futex resumed>) = 1 [pid 9933] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9938] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9933] <... futex resumed>) = 0 [pid 9936] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9933] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9940] <... clone3 resumed> => {parent_tid=[9943]}, 88) = 9943 [pid 9940] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9940] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9940] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9941 attached [pid 9941] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9941] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9941] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 552] <... restart_syscall resumed>) = 0 [pid 9936] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9936] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9941] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9936] <... futex resumed>) = 1 [pid 9933] <... futex resumed>) = 0 [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9936] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9933] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9933] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9941] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9939] <... futex resumed>) = 0 [pid 9939] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9939] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9941] <... futex resumed>) = 1 [pid 9936] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 9944 [pid 9941] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9936] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 9936] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9933] <... futex resumed>) = 0 [pid 9936] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9933] exit_group(0 [pid 9936] <... futex resumed>) = ? [pid 9933] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 9944 attached ./strace-static-x86_64: Process 9942 attached [pid 9936] +++ exited with 0 +++ [pid 9933] +++ exited with 0 +++ [pid 9941] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9933, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9941] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 9939] <... futex resumed>) = 0 [pid 9939] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9939] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9941] <... futex resumed>) = 1 [pid 9941] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9942] set_robust_list(0x7f70b115b9a0, 24 [pid 9941] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9941] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9939] <... futex resumed>) = 0 [pid 9939] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9939] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9941] <... futex resumed>) = 1 [pid 9941] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 9941] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9944] set_robust_list(0x55556dd196a0, 24 [pid 9939] <... futex resumed>) = 0 [pid 9939] exit_group(0) = ? [pid 9941] <... futex resumed>) = ? [pid 9942] <... set_robust_list resumed>) = 0 [pid 9944] <... set_robust_list resumed>) = 0 [pid 9942] rt_sigprocmask(SIG_SETMASK, [], [pid 9944] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9942] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9944] <... prctl resumed>) = 0 [pid 9941] +++ exited with 0 +++ [pid 9939] +++ exited with 0 +++ [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9939, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 551] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 9943 attached [pid 9943] set_robust_list(0x7f70b115b9a0, 24 [pid 9942] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9943] <... set_robust_list resumed>) = 0 [pid 9943] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9943] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9942] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9942] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9944] setpgid(0, 0 [pid 9943] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9940] <... futex resumed>) = 0 [pid 9940] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9940] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9943] <... futex resumed>) = 1 [pid 9944] <... setpgid resumed>) = 0 [pid 9943] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9938] <... futex resumed>) = 0 [pid 9942] <... futex resumed>) = 1 [pid 9938] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9942] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9938] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9942] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9943] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9944] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9943] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9940] <... futex resumed>) = 0 [pid 9940] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9940] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9943] <... futex resumed>) = 1 [pid 9943] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9942] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9943] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9944] <... openat resumed>) = 3 [pid 9943] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9940] <... futex resumed>) = 0 [pid 9940] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9940] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9943] <... futex resumed>) = 1 [pid 9938] <... futex resumed>) = 0 [pid 9942] <... futex resumed>) = 1 [pid 9942] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9938] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9938] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9942] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9942] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9943] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 9943] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9940] <... futex resumed>) = 0 [pid 9940] exit_group(0) = ? [pid 9944] write(3, "1000", 4) = 4 executing program [pid 9943] <... futex resumed>) = ? [pid 9938] <... futex resumed>) = 0 [pid 9942] <... futex resumed>) = 1 [pid 9944] close(3) = 0 [pid 9944] write(1, "executing program\n", 18) = 18 [pid 9944] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9938] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9942] write(-1, "0x0000000000000001", 18 [pid 9938] <... futex resumed>) = 0 [pid 9942] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9938] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9942] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9944] <... futex resumed>) = 0 [pid 9938] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9942] <... futex resumed>) = 0 [pid 9938] exit_group(0 [pid 9942] ????() = 0xe7 [pid 9938] <... exit_group resumed>) = ? [pid 9944] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9944] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9944] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9943] +++ exited with 0 +++ [pid 9942] +++ exited with 0 +++ [pid 9940] +++ exited with 0 +++ [pid 9938] +++ exited with 0 +++ [pid 9944] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9938, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9940, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 9944] <... mprotect resumed>) = 0 [pid 9944] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 553] <... restart_syscall resumed>) = 0 [pid 9944] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[9945]}, 88) = 9945 [pid 9944] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9944] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9944] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9945 attached [pid 9945] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9945] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 551] <... restart_syscall resumed>) = 0 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 9946 [pid 9945] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9945] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9945] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9944] <... futex resumed>) = 0 [pid 9944] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9944] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9945] <... futex resumed>) = 1 [pid 9945] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 9947 [pid 9945] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9945] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9944] <... futex resumed>) = 0 [pid 9944] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9944] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9945] <... futex resumed>) = 1 [pid 9945] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 9945] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9944] <... futex resumed>) = 0 [pid 9944] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9944] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9945] <... futex resumed>) = 1 [pid 9945] write(-1, "0x0000000000000001", 18./strace-static-x86_64: Process 9947 attached ) = -1 EBADF (Bad file descriptor) [pid 9945] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9944] <... futex resumed>) = 0 [pid 9944] exit_group(0) = ? [pid 9945] <... futex resumed>) = ? [pid 9947] set_robust_list(0x55556dd196a0, 24) = 0 [pid 9947] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9945] +++ exited with 0 +++ [pid 9944] +++ exited with 0 +++ [pid 9947] <... prctl resumed>) = 0 [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9944, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 552] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 9946 attached [pid 9946] set_robust_list(0x55556dd196a0, 24) = 0 [pid 9946] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9946] setpgid(0, 0) = 0 [pid 9947] setpgid(0, 0 [pid 9946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9947] <... setpgid resumed>) = 0 [pid 9946] <... openat resumed>) = 3 [pid 9946] write(3, "1000", 4executing program ) = 4 [pid 9946] close(3 [pid 554] <... restart_syscall resumed>) = 0 [pid 9946] <... close resumed>) = 0 [pid 9946] write(1, "executing program\n", 18) = 18 [pid 9946] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9946] <... futex resumed>) = 0 [pid 9946] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9946] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9946] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9946] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 9948 [pid 9946] <... mprotect resumed>) = 0 [pid 9946] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9946] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[9949]}, 88) = 9949 [pid 9947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9946] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9946] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9946] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9948 attached [pid 9948] set_robust_list(0x55556dd196a0, 24) = 0 [pid 9947] <... openat resumed>) = 3 [pid 9948] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9947] write(3, "1000", 4 [pid 9948] <... prctl resumed>) = 0 [pid 9948] setpgid(0, 0 [pid 9947] <... write resumed>) = 4 [pid 9948] <... setpgid resumed>) = 0 executing program [pid 555] <... restart_syscall resumed>) = 0 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9948] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9948] write(3, "1000", 4) = 4 [pid 9948] close(3) = 0 [pid 9948] write(1, "executing program\n", 18) = 18 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 9950 ./strace-static-x86_64: Process 9950 attached ./strace-static-x86_64: Process 9949 attached [pid 9947] close(3 [pid 552] <... restart_syscall resumed>) = 0 [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9950] set_robust_list(0x55556dd196a0, 24 [pid 9949] set_robust_list(0x7f70b115b9a0, 24 [pid 9948] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9947] <... close resumed>) = 0 ./strace-static-x86_64: Process 9951 attached [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 9951 [pid 9950] <... set_robust_list resumed>) = 0 [pid 9950] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9950] setpgid(0, 0) = 0 [pid 9950] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9947] write(1, "executing program\n", 18 [pid 9949] <... set_robust_list resumed>) = 0 [pid 9948] <... futex resumed>) = 0 [pid 9950] <... openat resumed>) = 3 [pid 9950] write(3, "1000", 4) = 4 [pid 9950] close(3) = 0 executing program [pid 9950] write(1, "executing program\n", 18) = 18 [pid 9950] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9950] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9950] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9950] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9950] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9950] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9950] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0}executing program => {parent_tid=[9952]}, 88) = 9952 [pid 9947] <... write resumed>) = 18 [pid 9948] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9950] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9950] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9950] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9952 attached [pid 9952] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9952] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9952] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9949] rt_sigprocmask(SIG_SETMASK, [], [pid 9948] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9947] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9952] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9952] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9947] <... futex resumed>) = 0 [pid 9949] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9948] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9947] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9950] <... futex resumed>) = 0 [pid 9948] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9947] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9949] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9947] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9948] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9947] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9949] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9950] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9947] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9949] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9948] <... mmap resumed>) = 0x7f70b113b000 [pid 9947] <... mmap resumed>) = 0x7f70b113b000 [pid 9950] <... futex resumed>) = 0 [pid 9948] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9947] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9949] <... futex resumed>) = 1 [pid 9947] <... mprotect resumed>) = 0 [pid 9949] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9948] <... mprotect resumed>) = 0 [pid 9950] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9946] <... futex resumed>) = 0 [pid 9947] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9946] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9949] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9948] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9947] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9948] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9947] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9949] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9946] <... futex resumed>) = 0 [pid 9946] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9952] <... futex resumed>) = 1 [pid 9952] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 9948] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9949] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9947] <... clone3 resumed> => {parent_tid=[9953]}, 88) = 9953 [pid 9952] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9947] rt_sigprocmask(SIG_SETMASK, [], [pid 9949] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9947] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9948] <... clone3 resumed> => {parent_tid=[9954]}, 88) = 9954 [pid 9947] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9949] <... futex resumed>) = 1 [pid 9947] <... futex resumed>) = 0 [pid 9948] rt_sigprocmask(SIG_SETMASK, [], [pid 9949] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9947] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9950] <... futex resumed>) = 0 [pid 9946] <... futex resumed>) = 0 [pid 9950] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9946] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9950] <... futex resumed>) = 0 [pid 9949] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9948] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9946] <... futex resumed>) = 0 [pid 9950] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9946] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9952] <... futex resumed>) = 1 [pid 9952] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9948] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9949] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9948] <... futex resumed>) = 0 [pid 9948] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9949] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9949] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9951] set_robust_list(0x55556dd196a0, 24./strace-static-x86_64: Process 9953 attached ) = 0 [pid 9949] <... futex resumed>) = 1 [pid 9946] <... futex resumed>) = 0 [pid 9946] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9946] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9952] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9952] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9950] <... futex resumed>) = 0 [pid 9950] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9950] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9952] <... futex resumed>) = 1 [pid 9952] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 9949] write(-1, "0x0000000000000001", 18 [pid 9952] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9950] <... futex resumed>) = 0 [pid 9950] exit_group(0) = ? [pid 9952] <... futex resumed>) = ? [pid 9949] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9949] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9946] <... futex resumed>) = 0 [pid 9951] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9946] exit_group(0) = ? [pid 9951] <... prctl resumed>) = 0 [pid 9953] set_robust_list(0x7f70b115b9a0, 24 [pid 9952] +++ exited with 0 +++ [pid 9950] +++ exited with 0 +++ ./strace-static-x86_64: Process 9954 attached [pid 9954] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9954] rt_sigprocmask(SIG_SETMASK, [], [pid 9949] +++ exited with 0 +++ [pid 9946] +++ exited with 0 +++ [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9950, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9954] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9954] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9954] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9948] <... futex resumed>) = 0 [pid 9948] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9948] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9946, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 555] <... restart_syscall resumed>) = 0 [pid 553] <... restart_syscall resumed>) = 0 [pid 9954] <... futex resumed>) = 1 [pid 9954] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9954] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9954] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9948] <... futex resumed>) = 0 [pid 9948] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9948] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9954] <... futex resumed>) = 1 [pid 9954] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 9954] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9948] <... futex resumed>) = 0 [pid 9948] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9948] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 9955 [pid 9954] <... futex resumed>) = 1 [pid 9954] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 9954] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9948] <... futex resumed>) = 0 [pid 9948] exit_group(0) = ? [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 9956 [pid 9951] setpgid(0, 0) = 0 [pid 9954] <... futex resumed>) = ? ./strace-static-x86_64: Process 9956 attached ./strace-static-x86_64: Process 9955 attached [pid 9953] <... set_robust_list resumed>) = 0 [pid 9951] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9956] set_robust_list(0x55556dd196a0, 24 [pid 9955] set_robust_list(0x55556dd196a0, 24 [pid 9954] +++ exited with 0 +++ [pid 9953] rt_sigprocmask(SIG_SETMASK, [], [pid 9948] +++ exited with 0 +++ [pid 9951] <... openat resumed>) = 3 [pid 9956] <... set_robust_list resumed>) = 0 [pid 9955] <... set_robust_list resumed>) = 0 [pid 9953] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9951] write(3, "1000", 4executing program ) = 4 [pid 9951] close(3) = 0 [pid 9951] write(1, "executing program\n", 18) = 18 [pid 9951] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9951] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9951] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9951] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9951] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9951] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9951] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9953] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9948, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9951] <... clone3 resumed> => {parent_tid=[9957]}, 88) = 9957 [pid 9951] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9951] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9951] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9957 attached [pid 9957] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9957] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9957] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9953] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 9957] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9957] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9951] <... futex resumed>) = 0 [pid 9951] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9951] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9957] <... futex resumed>) = 1 [pid 9957] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 9957] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9951] <... futex resumed>) = 0 [pid 9951] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9951] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9957] <... futex resumed>) = 1 [pid 9957] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 9957] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9953] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9951] <... futex resumed>) = 0 [pid 9951] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9951] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9957] <... futex resumed>) = 1 [pid 9957] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 9957] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9951] <... futex resumed>) = 0 [pid 9951] exit_group(0) = ? [pid 9957] <... futex resumed>) = ? [pid 9953] <... futex resumed>) = 1 [pid 9947] <... futex resumed>) = 0 [pid 9953] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9947] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9953] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9947] <... futex resumed>) = 0 [pid 9953] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9947] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9953] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9953] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9947] <... futex resumed>) = 0 [pid 9953] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9947] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9953] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9947] <... futex resumed>) = 0 [pid 9953] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9947] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9953] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9953] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9947] <... futex resumed>) = 0 [pid 9953] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9947] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9953] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9947] <... futex resumed>) = 0 [pid 9956] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9955] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9953] write(-1, "0x0000000000000001", 18 [pid 9947] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9957] +++ exited with 0 +++ [pid 9953] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9951] +++ exited with 0 +++ [pid 9955] <... prctl resumed>) = 0 [pid 9953] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9955] setpgid(0, 0 [pid 9953] <... futex resumed>) = 1 [pid 9947] <... futex resumed>) = 0 [pid 9955] <... setpgid resumed>) = 0 [pid 9953] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULLexecuting program [pid 9947] exit_group(0 [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9951, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9956] <... prctl resumed>) = 0 [pid 9955] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 9956] setpgid(0, 0) = 0 [pid 9956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9953] <... futex resumed>) = ? [pid 9947] <... exit_group resumed>) = ? [pid 9956] <... openat resumed>) = 3 [pid 9953] +++ exited with 0 +++ [pid 9956] write(3, "1000", 4) = 4 [pid 9956] close(3) = 0 [pid 9956] write(1, "executing program\n", 18) = 18 [pid 9956] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9947] +++ exited with 0 +++ [pid 9956] <... futex resumed>) = 0 [pid 9955] <... openat resumed>) = 3 [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9947, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9956] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9955] write(3, "1000", 4 [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 554] <... restart_syscall resumed>) = 0 [pid 9956] <... rt_sigaction resumed>NULL, 8) = 0 [pid 551] <... restart_syscall resumed>) = 0 [pid 9955] <... write resumed>) = 4 [pid 9956] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9955] close(3 [pid 9956] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9956] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9956] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 552] <... restart_syscall resumed>) = 0 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9955] <... close resumed>) = 0 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 9958 [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9955] write(1, "executing program\n", 18executing program ) = 18 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 9960 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 9959 [pid 9956] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9955] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9956] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9956] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9955] <... futex resumed>) = 0 [pid 9955] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9955] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9956] <... clone3 resumed> => {parent_tid=[9961]}, 88) = 9961 [pid 9955] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9956] rt_sigprocmask(SIG_SETMASK, [], [pid 9955] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9956] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9956] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9956] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9958 attached [pid 9955] <... mmap resumed>) = 0x7f70b113b000 ./strace-static-x86_64: Process 9960 attached [pid 9960] set_robust_list(0x55556dd196a0, 24 [pid 9958] set_robust_list(0x55556dd196a0, 24 [pid 9960] <... set_robust_list resumed>) = 0 [pid 9958] <... set_robust_list resumed>) = 0 [pid 9960] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9958] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 9961 attached [pid 9961] set_robust_list(0x7f70b115b9a0, 24 [pid 9958] <... prctl resumed>) = 0 [pid 9961] <... set_robust_list resumed>) = 0 [pid 9960] <... prctl resumed>) = 0 [pid 9961] rt_sigprocmask(SIG_SETMASK, [], [pid 9958] setpgid(0, 0 [pid 9960] setpgid(0, 0 [pid 9961] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9961] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7./strace-static-x86_64: Process 9959 attached [pid 9955] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9960] <... setpgid resumed>) = 0 [pid 9958] <... setpgid resumed>) = 0 [pid 9960] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9955] <... mprotect resumed>) = 0 [pid 9958] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9961] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9955] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9961] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9955] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9956] <... futex resumed>) = 0 [pid 9955] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9956] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9956] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9961] <... futex resumed>) = 1 [pid 9961] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 9958] <... openat resumed>) = 3 [pid 9955] <... clone3 resumed> => {parent_tid=[9962]}, 88) = 9962 [pid 9961] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9955] rt_sigprocmask(SIG_SETMASK, [], [pid 9960] <... openat resumed>) = 3 [pid 9955] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9956] <... futex resumed>) = 0 [pid 9956] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9955] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9956] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9955] <... futex resumed>) = 0 ./strace-static-x86_64: Process 9962 attached [pid 9959] set_robust_list(0x55556dd196a0, 24 [pid 9955] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9961] <... futex resumed>) = 1 [pid 9961] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 9961] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9958] write(3, "1000", 4 [pid 9961] <... futex resumed>) = 1 [pid 9960] write(3, "1000", 4 [pid 9958] <... write resumed>) = 4 [pid 9956] <... futex resumed>) = 0 [pid 9962] set_robust_list(0x7f70b115b9a0, 24 [pid 9961] write(-1, "0x0000000000000001", 18 [pid 9960] <... write resumed>) = 4 [pid 9959] <... set_robust_list resumed>) = 0 [pid 9958] close(3 [pid 9956] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9961] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9960] close(3 [pid 9958] <... close resumed>) = 0 [pid 9956] <... futex resumed>) = 0 executing program [pid 9961] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9960] <... close resumed>) = 0 [pid 9958] write(1, "executing program\n", 18 [pid 9956] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9961] <... futex resumed>) = 0 [pid 9960] write(1, "executing program\n", 18 [pid 9958] <... write resumed>) = 18 [pid 9956] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 9961] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9960] <... write resumed>) = 18 [pid 9958] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9956] exit_group(0 [pid 9961] <... futex resumed>) = ? [pid 9960] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9958] <... futex resumed>) = 0 [pid 9956] <... exit_group resumed>) = ? [pid 9962] <... set_robust_list resumed>) = 0 [pid 9961] +++ exited with 0 +++ [pid 9960] <... futex resumed>) = 0 [pid 9959] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9958] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9956] +++ exited with 0 +++ [pid 9960] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9959] <... prctl resumed>) = 0 [pid 9958] <... rt_sigaction resumed>NULL, 8) = 0 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9956, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9960] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9958] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 9959] setpgid(0, 0 [pid 9960] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9959] <... setpgid resumed>) = 0 [pid 9958] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9960] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9958] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9960] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9958] <... mmap resumed>) = 0x7f70b113b000 [pid 9960] <... mmap resumed>) = 0x7f70b113b000 [pid 9958] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9960] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9958] <... mprotect resumed>) = 0 [pid 9960] <... mprotect resumed>) = 0 [pid 9959] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9958] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9960] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9958] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9959] <... openat resumed>) = 3 [pid 9960] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9958] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9962] rt_sigprocmask(SIG_SETMASK, [], [pid 9959] write(3, "1000", 4 [pid 9960] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9958] <... clone3 resumed> => {parent_tid=[9963]}, 88) = 9963 [pid 9960] <... clone3 resumed> => {parent_tid=[9964]}, 88) = 9964 [pid 9958] rt_sigprocmask(SIG_SETMASK, [], [pid 9960] rt_sigprocmask(SIG_SETMASK, [], [pid 9958] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9960] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9958] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9960] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9958] <... futex resumed>) = 0 [pid 9960] <... futex resumed>) = 0 [pid 9958] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9960] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9964 attached [pid 9964] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9964] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9964] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9962] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9959] <... write resumed>) = 4 [pid 9964] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9959] close(3./strace-static-x86_64: Process 9963 attached [pid 9962] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 553] <... restart_syscall resumed>) = 0 [pid 9959] <... close resumed>) = 0 executing program [pid 9959] write(1, "executing program\n", 18) = 18 [pid 9959] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9964] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9960] <... futex resumed>) = 0 [pid 9960] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9960] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9964] <... futex resumed>) = 1 [pid 9964] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 9959] <... futex resumed>) = 0 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 9965 [pid 9959] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9964] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9959] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9960] <... futex resumed>) = 0 [pid 9959] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9960] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9959] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9960] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9959] <... mmap resumed>) = 0x7f70b113b000 [pid 9964] <... futex resumed>) = 1 [pid 9964] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 9959] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9964] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9959] <... mprotect resumed>) = 0 [pid 9960] <... futex resumed>) = 0 [pid 9960] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9960] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9964] <... futex resumed>) = 1 [pid 9959] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9964] write(-1, "0x0000000000000001", 18 [pid 9959] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9964] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9959] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9964] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9960] <... futex resumed>) = 0 [pid 9960] exit_group(0) = ? [pid 9964] <... futex resumed>) = ? ./strace-static-x86_64: Process 9966 attached ./strace-static-x86_64: Process 9965 attached [pid 9963] set_robust_list(0x7f70b115b9a0, 24 [pid 9962] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9965] set_robust_list(0x55556dd196a0, 24 [pid 9964] +++ exited with 0 +++ [pid 9960] +++ exited with 0 +++ [pid 9959] <... clone3 resumed> => {parent_tid=[9966]}, 88) = 9966 [pid 9965] <... set_robust_list resumed>) = 0 [pid 9959] rt_sigprocmask(SIG_SETMASK, [], [pid 9965] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9959] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9965] <... prctl resumed>) = 0 [pid 9959] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9960, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9965] setpgid(0, 0 [pid 9959] <... futex resumed>) = 0 [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 9965] <... setpgid resumed>) = 0 [pid 9959] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9966] set_robust_list(0x7f70b115b9a0, 24 [pid 9965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9963] <... set_robust_list resumed>) = 0 [pid 9962] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9965] <... openat resumed>) = 3 [pid 9966] <... set_robust_list resumed>) = 0 [pid 9963] rt_sigprocmask(SIG_SETMASK, [], [pid 9965] write(3, "1000", 4) = 4 [pid 9965] close(3) = 0 executing program [pid 9965] write(1, "executing program\n", 18) = 18 [pid 9965] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9965] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9965] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9965] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9966] rt_sigprocmask(SIG_SETMASK, [], [pid 9963] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9962] <... futex resumed>) = 1 [pid 9955] <... futex resumed>) = 0 [pid 9965] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9955] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9965] <... mprotect resumed>) = 0 [pid 9955] <... futex resumed>) = 0 [pid 9965] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9955] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9966] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9963] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9962] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9965] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9965] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9966] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9963] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9962] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9965] <... clone3 resumed> => {parent_tid=[9967]}, 88) = 9967 [pid 9965] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9965] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 9967 attached [pid 9965] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9966] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9963] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9962] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9967] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9967] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9967] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9966] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9963] <... futex resumed>) = 1 [pid 9962] <... futex resumed>) = 1 [pid 9958] <... futex resumed>) = 0 [pid 9955] <... futex resumed>) = 0 [pid 9963] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9958] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9967] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9966] <... futex resumed>) = 1 [pid 9962] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9959] <... futex resumed>) = 0 [pid 9958] <... futex resumed>) = 0 [pid 9955] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9967] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9966] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9963] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9959] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9958] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9955] <... futex resumed>) = 0 [pid 9967] <... futex resumed>) = 1 [pid 9965] <... futex resumed>) = 0 [pid 9962] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9959] <... futex resumed>) = 0 [pid 9955] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9967] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9966] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9965] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9963] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9962] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9959] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9967] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9966] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9965] <... futex resumed>) = 0 [pid 9959] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9967] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9966] <... futex resumed>) = 0 [pid 9965] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9963] <... futex resumed>) = 1 [pid 9962] <... futex resumed>) = 1 [pid 9959] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9958] <... futex resumed>) = 0 [pid 9955] <... futex resumed>) = 0 [pid 9967] <... futex resumed>) = 0 [pid 9966] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9965] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9963] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9962] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9959] <... futex resumed>) = 0 [pid 9958] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9967] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9966] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9965] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9963] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9962] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9959] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9958] <... futex resumed>) = 0 [pid 9955] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9967] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9966] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9965] <... futex resumed>) = 0 [pid 9963] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9962] write(-1, "0x0000000000000001", 18 [pid 9959] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9958] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9955] <... futex resumed>) = 0 [pid 552] <... restart_syscall resumed>) = 0 [pid 9967] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9966] <... futex resumed>) = 0 [pid 9965] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9963] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9962] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9959] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9955] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9967] <... futex resumed>) = 0 [pid 9966] write(-1, "0x0000000000000001", 18 [pid 9965] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9963] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9962] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9959] <... futex resumed>) = 0 [pid 9955] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9967] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9966] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9965] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9963] <... futex resumed>) = 1 [pid 9962] <... futex resumed>) = 0 [pid 9959] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9958] <... futex resumed>) = 0 [pid 9955] exit_group(0 [pid 9967] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9966] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9965] <... futex resumed>) = 0 [pid 9963] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9959] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9958] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9955] <... exit_group resumed>) = ? [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9967] write(-1, "0x0000000000000001", 18 [pid 9966] <... futex resumed>) = 0 [pid 9965] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9963] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9962] +++ exited with 0 +++ [pid 9959] exit_group(0 [pid 9958] <... futex resumed>) = 0 [pid 9967] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9959] <... exit_group resumed>) = ? [pid 9967] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9965] <... futex resumed>) = 0 [pid 9967] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9965] exit_group(0 [pid 9967] <... futex resumed>) = ? [pid 9965] <... exit_group resumed>) = ? [pid 9967] +++ exited with 0 +++ [pid 9965] +++ exited with 0 +++ [pid 9963] write(-1, "0x0000000000000001", 18 [pid 9958] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9955] +++ exited with 0 +++ ./strace-static-x86_64: Process 9968 attached [pid 9968] set_robust_list(0x55556dd196a0, 24) = 0 [pid 9968] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9968] setpgid(0, 0) = 0 [pid 9966] +++ exited with 0 +++ [pid 9959] +++ exited with 0 +++ [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9965, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9955, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9963] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 9968 [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9959, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9963] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 9963] <... futex resumed>) = 1 [pid 9958] <... futex resumed>) = 0 [pid 9963] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL executing program [pid 9958] exit_group(0 [pid 9968] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9963] <... futex resumed>) = ? [pid 9958] <... exit_group resumed>) = ? [pid 9968] <... openat resumed>) = 3 [pid 9963] +++ exited with 0 +++ [pid 9968] write(3, "1000", 4) = 4 [pid 9968] close(3) = 0 [pid 9968] write(1, "executing program\n", 18) = 18 [pid 9968] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9958] +++ exited with 0 +++ [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9958, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 9968] <... futex resumed>) = 0 [pid 9968] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9968] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9968] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9968] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9968] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9968] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0}./strace-static-x86_64: Process 9969 attached => {parent_tid=[9969]}, 88) = 9969 [pid 9969] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9968] rt_sigprocmask(SIG_SETMASK, [], [pid 9969] rt_sigprocmask(SIG_SETMASK, [], [pid 9968] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9968] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9969] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9968] <... futex resumed>) = 0 [pid 9968] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9969] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9969] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9968] <... futex resumed>) = 0 [pid 9968] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9968] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9969] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 9969] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9968] <... futex resumed>) = 0 [pid 9968] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9968] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9969] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 9969] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9968] <... futex resumed>) = 0 [pid 9968] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9968] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9969] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 9969] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9968] <... futex resumed>) = 0 [pid 555] <... restart_syscall resumed>) = 0 [pid 554] <... restart_syscall resumed>) = 0 [pid 9968] exit_group(0) = ? [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 553] <... restart_syscall resumed>) = 0 [pid 551] <... restart_syscall resumed>) = 0 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 9970 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 9971 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556dd19690) = 9972 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 9970 attached [pid 9970] set_robust_list(0x55556dd196a0, 24) = 0 [pid 9970] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9970] setpgid(0, 0) = 0 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 9973 [pid 9970] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 9973 attached ./strace-static-x86_64: Process 9972 attached ./strace-static-x86_64: Process 9971 attached [pid 9969] +++ exited with 0 +++ [pid 9968] +++ exited with 0 +++ [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9968, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9973] set_robust_list(0x55556dd196a0, 24 [pid 9972] set_robust_list(0x55556dd196a0, 24 [pid 9970] <... openat resumed>) = 3 [pid 9971] set_robust_list(0x55556dd196a0, 24 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 9974 ./strace-static-x86_64: Process 9974 attached [pid 9972] <... set_robust_list resumed>) = 0 [pid 9971] <... set_robust_list resumed>) = 0 [pid 9970] write(3, "1000", 4 [pid 9974] set_robust_list(0x55556dd196a0, 24) = 0 [pid 9974] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9974] setpgid(0, 0) = 0 [pid 9974] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9970] <... write resumed>) = 4 [pid 9974] <... openat resumed>) = 3 [pid 9974] write(3, "1000", 4) = 4 executing program [pid 9974] close(3) = 0 [pid 9974] write(1, "executing program\n", 18) = 18 [pid 9974] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9974] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9974] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9974] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9974] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9970] close(3 [pid 9974] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9971] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9974] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9974] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[9975]}, 88) = 9975 [pid 9971] <... prctl resumed>) = 0 [pid 9970] <... close resumed>) = 0 [pid 9974] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9974] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9974] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9970] write(1, "executing program\n", 18./strace-static-x86_64: Process 9975 attached [pid 9975] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9975] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9975] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9975] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9974] <... futex resumed>) = 0 [pid 9974] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9974] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9975] <... futex resumed>) = 1 [pid 9975] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 9975] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9974] <... futex resumed>) = 0 [pid 9974] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9974] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9975] <... futex resumed>) = 1 [pid 9975] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 9975] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9974] <... futex resumed>) = 0 [pid 9974] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9974] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9975] <... futex resumed>) = 1 [pid 9975] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 9975] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9974] <... futex resumed>) = 0 [pid 9974] exit_group(0) = ? executing program [pid 9975] <... futex resumed>) = ? [pid 9970] <... write resumed>) = 18 [pid 9971] setpgid(0, 0 [pid 9970] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9971] <... setpgid resumed>) = 0 [pid 9973] <... set_robust_list resumed>) = 0 [pid 9970] <... futex resumed>) = 0 [pid 9971] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9970] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9975] +++ exited with 0 +++ [pid 9974] +++ exited with 0 +++ [pid 9971] <... openat resumed>) = 3 [pid 9970] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9974, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9971] write(3, "1000", 4 [pid 9970] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 9972] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9972] setpgid(0, 0) = 0 [pid 9972] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9970] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9971] <... write resumed>) = 4 [pid 9972] <... openat resumed>) = 3 [pid 9971] close(3 [pid 9970] <... mmap resumed>) = 0x7f70b113b000 [pid 9973] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9970] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITEexecuting program [pid 9971] <... close resumed>) = 0 [pid 9972] write(3, "1000", 4) = 4 [pid 9972] close(3) = 0 [pid 9972] write(1, "executing program\n", 18) = 18 [pid 9972] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9972] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, executing program NULL, 8) = 0 [pid 9972] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9972] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9972] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9970] <... mprotect resumed>) = 0 [pid 9971] write(1, "executing program\n", 18 [pid 9973] <... prctl resumed>) = 0 [pid 9970] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9973] setpgid(0, 0 [pid 9971] <... write resumed>) = 18 [pid 9970] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9970] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9973] <... setpgid resumed>) = 0 [pid 9971] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9972] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9971] <... futex resumed>) = 0 [pid 9972] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9973] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9972] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9970] <... clone3 resumed> => {parent_tid=[9976]}, 88) = 9976 [pid 9971] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9970] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9971] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9972] <... clone3 resumed> => {parent_tid=[9977]}, 88) = 9977 [pid 9970] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9971] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9970] <... futex resumed>) = 0 [pid 9973] <... openat resumed>) = 3 executing program [pid 9971] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9970] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9973] write(3, "1000", 4 [pid 9971] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9973] <... write resumed>) = 4 [pid 9971] <... mmap resumed>) = 0x7f70b113b000 [pid 9971] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9973] close(3 [pid 9971] <... mprotect resumed>) = 0 [pid 9973] <... close resumed>) = 0 [pid 9972] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9973] write(1, "executing program\n", 18 [pid 9971] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9972] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9971] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9973] <... write resumed>) = 18 [pid 9971] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 552] <... restart_syscall resumed>) = 0 [pid 9973] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9971] <... clone3 resumed> => {parent_tid=[9978]}, 88) = 9978 [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9973] <... futex resumed>) = 0 [pid 9971] rt_sigprocmask(SIG_SETMASK, [], [pid 9973] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9971] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 9979 [pid 9973] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9971] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9973] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9971] <... futex resumed>) = 0 [pid 9972] <... futex resumed>) = 0 [pid 9973] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9971] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9973] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9972] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9979 attached [pid 9979] set_robust_list(0x55556dd196a0, 24) = 0 [pid 9979] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9973] <... mmap resumed>) = 0x7f70b113b000 [pid 9979] <... prctl resumed>) = 0 [pid 9979] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 9978 attached [pid 9973] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9979] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9979] write(3, "1000", 4) = 4 [pid 9979] close(3) = 0 executing program [pid 9979] write(1, "executing program\n", 18) = 18 [pid 9979] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9979] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9973] <... mprotect resumed>) = 0 [pid 9979] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9973] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9979] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9973] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9973] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9979] <... mmap resumed>) = 0x7f70b113b000 [pid 9979] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9979] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9973] <... clone3 resumed> => {parent_tid=[9980]}, 88) = 9980 [pid 9979] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9973] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9973] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9979] <... clone3 resumed> => {parent_tid=[9981]}, 88) = 9981 [pid 9973] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9979] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9979] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9979] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9977 attached [pid 9977] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9977] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9977] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9978] set_robust_list(0x7f70b115b9a0, 24 [pid 9977] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9972] <... futex resumed>) = 0 [pid 9972] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9972] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9977] <... futex resumed>) = 1 [pid 9977] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 9977] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9972] <... futex resumed>) = 0 [pid 9972] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9972] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9977] <... futex resumed>) = 1 [pid 9977] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 9977] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9972] <... futex resumed>) = 0 [pid 9972] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9972] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9977] <... futex resumed>) = 1 [pid 9977] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 9977] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9972] <... futex resumed>) = 0 [pid 9972] exit_group(0) = ? [pid 9978] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 9976 attached [pid 9977] <... futex resumed>) = ? [pid 9978] rt_sigprocmask(SIG_SETMASK, [], [pid 9976] set_robust_list(0x7f70b115b9a0, 24./strace-static-x86_64: Process 9981 attached ./strace-static-x86_64: Process 9980 attached [pid 9978] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9976] <... set_robust_list resumed>) = 0 [pid 9981] set_robust_list(0x7f70b115b9a0, 24 [pid 9980] set_robust_list(0x7f70b115b9a0, 24 [pid 9978] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9976] rt_sigprocmask(SIG_SETMASK, [], [pid 9981] <... set_robust_list resumed>) = 0 [pid 9980] <... set_robust_list resumed>) = 0 [pid 9978] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9978] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9976] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9971] <... futex resumed>) = 0 [pid 9978] <... futex resumed>) = 1 [pid 9971] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9978] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9976] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9971] <... futex resumed>) = 0 [pid 9978] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9976] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9971] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9978] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9980] rt_sigprocmask(SIG_SETMASK, [], [pid 9978] <... futex resumed>) = 0 [pid 9976] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9971] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9978] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9970] <... futex resumed>) = 0 [pid 9971] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9980] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9978] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9976] <... futex resumed>) = 1 [pid 9971] <... futex resumed>) = 0 [pid 9970] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9978] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9976] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9971] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9970] <... futex resumed>) = 0 [pid 9980] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9978] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9976] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9970] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9980] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9978] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9976] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9970] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9980] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9978] <... futex resumed>) = 1 [pid 9976] <... futex resumed>) = 0 [pid 9971] <... futex resumed>) = 0 [pid 9977] +++ exited with 0 +++ [pid 9972] +++ exited with 0 +++ [pid 9971] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9970] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9980] <... futex resumed>) = 1 [pid 9978] write(-1, "0x0000000000000001", 18 [pid 9976] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9973] <... futex resumed>) = 0 [pid 9971] <... futex resumed>) = 0 [pid 9970] <... futex resumed>) = 0 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9972, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 9980] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9978] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9976] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9973] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9971] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9970] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 9980] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9978] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9976] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9973] <... futex resumed>) = 0 [pid 9971] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9970] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 553] <... restart_syscall resumed>) = 0 [pid 9980] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9978] <... futex resumed>) = 0 [pid 9976] <... futex resumed>) = 0 [pid 9973] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9971] exit_group(0 [pid 9970] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9980] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9976] write(-1, "0x0000000000000001", 18 [pid 9971] <... exit_group resumed>) = ? [pid 9970] <... futex resumed>) = 0 [pid 9980] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9978] +++ exited with 0 +++ [pid 9976] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556dd19690) = 9982 [pid 9971] +++ exited with 0 +++ [pid 9976] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9970] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9973] <... futex resumed>) = 0 [pid 9980] <... futex resumed>) = 1 [pid 9976] <... futex resumed>) = 0 [pid 9973] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9970] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9971, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9980] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9973] <... futex resumed>) = 0 [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 9976] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9973] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9970] exit_group(0 [pid 9981] rt_sigprocmask(SIG_SETMASK, [], [pid 9980] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9970] <... exit_group resumed>) = ? [pid 9976] <... futex resumed>) = ? ./strace-static-x86_64: Process 9982 attached [pid 9982] set_robust_list(0x55556dd196a0, 24) = 0 [pid 9982] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9982] setpgid(0, 0) = 0 [pid 9982] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9976] +++ exited with 0 +++ [pid 9970] +++ exited with 0 +++ [pid 9980] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9981] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9970, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9982] <... openat resumed>) = 3 [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 9980] <... futex resumed>) = 1 [pid 9973] <... futex resumed>) = 0 [pid 9981] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9973] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9981] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9980] write(-1, "0x0000000000000001", 18 [pid 9973] <... futex resumed>) = 0 [pid 9982] write(3, "1000", 4 [pid 9980] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9981] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9973] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9982] <... write resumed>) = 4 [pid 9980] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9981] <... futex resumed>) = 1 [pid 9979] <... futex resumed>) = 0 [pid 9979] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9979] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 9982] close(3) = 0 [pid 9982] write(1, "executing program\n", 18) = 18 [pid 9982] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9982] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9980] <... futex resumed>) = 1 [pid 9981] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9973] <... futex resumed>) = 0 [pid 9982] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9973] exit_group(0 [pid 9980] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9981] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9973] <... exit_group resumed>) = ? [pid 9980] +++ exited with 0 +++ [pid 9982] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9982] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9982] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9982] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9982] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9973] +++ exited with 0 +++ [pid 9981] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9973, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9981] <... futex resumed>) = 1 [pid 9979] <... futex resumed>) = 0 [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 9981] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9979] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9982] <... clone3 resumed> => {parent_tid=[9983]}, 88) = 9983 [pid 9982] rt_sigprocmask(SIG_SETMASK, [], [pid 9979] <... futex resumed>) = 0 [pid 9981] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9979] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9982] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9981] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9982] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9982] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9983 attached [pid 9983] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9983] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9983] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9981] <... futex resumed>) = 1 [pid 9979] <... futex resumed>) = 0 [pid 9983] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9979] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9981] write(-1, "0x0000000000000001", 18 [pid 9979] <... futex resumed>) = 0 [pid 555] <... restart_syscall resumed>) = 0 [pid 554] <... restart_syscall resumed>) = 0 [pid 551] <... restart_syscall resumed>) = 0 [pid 9981] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9979] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9981] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9979] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9979] exit_group(0) = ? [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556dd19690) = 9985 [pid 9981] <... futex resumed>) = ? [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 9984 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 9986 [pid 9983] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9982] <... futex resumed>) = 0 [pid 9982] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9982] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9983] <... futex resumed>) = 1 [pid 9983] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9981] +++ exited with 0 +++ [pid 9979] +++ exited with 0 +++ [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9979, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 552] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 9984 attached [pid 9983] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9983] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9984] set_robust_list(0x55556dd196a0, 24 [pid 9982] <... futex resumed>) = 0 [pid 9982] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9982] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9983] <... futex resumed>) = 1 [pid 9983] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 9983] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9982] <... futex resumed>) = 0 [pid 9982] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9982] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9983] <... futex resumed>) = 1 [pid 9983] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 9983] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9982] <... futex resumed>) = 0 [pid 9982] exit_group(0) = ? [pid 9983] <... futex resumed>) = ? [pid 9984] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 9985 attached [pid 9984] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9983] +++ exited with 0 +++ [pid 9982] +++ exited with 0 +++ [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9982, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 553] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 9986 attached [pid 9986] set_robust_list(0x55556dd196a0, 24) = 0 [pid 9986] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9986] setpgid(0, 0) = 0 [pid 9986] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9984] <... prctl resumed>) = 0 [pid 9986] write(3, "1000", 4) = 4 [pid 9986] close(3) = 0 executing program [pid 9986] write(1, "executing program\n", 18) = 18 [pid 9986] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9986] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9986] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9984] setpgid(0, 0 [pid 9986] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9986] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9986] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9985] set_robust_list(0x55556dd196a0, 24 [pid 9984] <... setpgid resumed>) = 0 [pid 9986] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9986] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[9987]}, 88) = 9987 [pid 9986] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9986] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9986] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9987 attached [pid 9987] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9987] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9987] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9987] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9986] <... futex resumed>) = 0 [pid 9986] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9984] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9986] <... futex resumed>) = 0 [pid 9986] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9987] <... futex resumed>) = 1 [pid 9987] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 9987] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9986] <... futex resumed>) = 0 [pid 9986] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9986] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9987] <... futex resumed>) = 1 [pid 9987] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 9987] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9986] <... futex resumed>) = 0 [pid 9986] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9986] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9987] <... futex resumed>) = 1 [pid 9987] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 9987] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9986] <... futex resumed>) = 0 [pid 9986] exit_group(0) = ? [pid 9987] <... futex resumed>) = ? [pid 9984] <... openat resumed>) = 3 [pid 9985] <... set_robust_list resumed>) = 0 [pid 9984] write(3, "1000", 4) = 4 [pid 9985] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9984] close(3executing program ) = 0 [pid 9985] <... prctl resumed>) = 0 [pid 9984] write(1, "executing program\n", 18) = 18 [pid 9985] setpgid(0, 0 [pid 9987] +++ exited with 0 +++ [pid 9986] +++ exited with 0 +++ [pid 9985] <... setpgid resumed>) = 0 [pid 9984] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] <... restart_syscall resumed>) = 0 [pid 552] <... restart_syscall resumed>) = 0 [pid 9984] <... futex resumed>) = 0 [pid 9984] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9984] <... rt_sigaction resumed>NULL, 8) = 0 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9986, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 9984] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9985] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9984] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 9988 [pid 9984] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9985] <... openat resumed>) = 3 [pid 9984] <... mmap resumed>) = 0x7f70b113b000 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9985] write(3, "1000", 4 [pid 9984] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 9989 attached ./strace-static-x86_64: Process 9988 attached [pid 9985] <... write resumed>) = 4 [pid 9984] <... mprotect resumed>) = 0 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 9989 ./strace-static-x86_64: Process 9990 attached [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 9990 [pid 9985] close(3 [pid 9984] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9985] <... close resumed>) = 0 executing program [pid 9984] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9990] set_robust_list(0x55556dd196a0, 24) = 0 [pid 9990] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9990] setpgid(0, 0) = 0 [pid 9985] write(1, "executing program\n", 18 [pid 9984] <... clone3 resumed> => {parent_tid=[9991]}, 88) = 9991 [pid 9985] <... write resumed>) = 18 [pid 9990] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9984] rt_sigprocmask(SIG_SETMASK, [], [pid 9985] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9990] <... openat resumed>) = 3 [pid 9985] <... futex resumed>) = 0 [pid 9984] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9988] set_robust_list(0x55556dd196a0, 24 [pid 9990] write(3, "1000", 4) = 4 [pid 9990] close(3) = 0 executing program [pid 9990] write(1, "executing program\n", 18) = 18 [pid 9990] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9990] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9990] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9990] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9990] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9984] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9985] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9989] set_robust_list(0x55556dd196a0, 24 [pid 9988] <... set_robust_list resumed>) = 0 [pid 9990] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9984] <... futex resumed>) = 0 [pid 9985] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9984] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9985] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9990] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9985] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9990] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9985] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9985] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9990] <... clone3 resumed> => {parent_tid=[9992]}, 88) = 9992 [pid 9985] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9990] rt_sigprocmask(SIG_SETMASK, [], [pid 9985] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9990] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9985] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9990] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9990] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9985] <... clone3 resumed> => {parent_tid=[9993]}, 88) = 9993 ./strace-static-x86_64: Process 9993 attached [pid 9985] rt_sigprocmask(SIG_SETMASK, [], [pid 9993] set_robust_list(0x7f70b115b9a0, 24 [pid 9988] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9985] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9993] <... set_robust_list resumed>) = 0 [pid 9988] <... prctl resumed>) = 0 [pid 9985] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9993] rt_sigprocmask(SIG_SETMASK, [], [pid 9985] <... futex resumed>) = 0 [pid 9988] setpgid(0, 0 [pid 9985] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9993] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9988] <... setpgid resumed>) = 0 [pid 9993] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9993] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9985] <... futex resumed>) = 0 [pid 9985] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9985] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9993] <... futex resumed>) = 1 [pid 9993] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 9993] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9985] <... futex resumed>) = 0 [pid 9985] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9985] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9993] <... futex resumed>) = 1 [pid 9993] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 9993] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9985] <... futex resumed>) = 0 [pid 9985] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9985] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9993] <... futex resumed>) = 1 [pid 9993] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 9993] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9985] <... futex resumed>) = 0 [pid 9985] exit_group(0) = ? [pid 9993] <... futex resumed>) = ? [pid 9988] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9989] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 9992 attached ./strace-static-x86_64: Process 9991 attached [pid 9993] +++ exited with 0 +++ [pid 9988] <... openat resumed>) = 3 [pid 9985] +++ exited with 0 +++ [pid 9991] set_robust_list(0x7f70b115b9a0, 24 [pid 9989] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9985, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 9992] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9992] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9992] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9992] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9990] <... futex resumed>) = 0 [pid 9990] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9990] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9992] <... futex resumed>) = 1 [pid 9992] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 9992] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9990] <... futex resumed>) = 0 [pid 9990] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9990] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9992] <... futex resumed>) = 1 [pid 9992] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 9992] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9990] <... futex resumed>) = 0 [pid 9990] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9990] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9992] <... futex resumed>) = 1 [pid 9992] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 9992] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9990] <... futex resumed>) = 0 [pid 9990] exit_group(0 [pid 554] <... restart_syscall resumed>) = 0 [pid 9990] <... exit_group resumed>) = ? [pid 9991] <... set_robust_list resumed>) = 0 [pid 9989] <... prctl resumed>) = 0 [pid 9988] write(3, "1000", 4 [pid 9992] <... futex resumed>) = -1 (errno 18446744073709551615) [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9991] rt_sigprocmask(SIG_SETMASK, [], [pid 9989] setpgid(0, 0 [pid 9988] <... write resumed>) = 4 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 9994 executing program ./strace-static-x86_64: Process 9994 attached [pid 9989] <... setpgid resumed>) = 0 [pid 9988] close(3) = 0 [pid 9988] write(1, "executing program\n", 18 [pid 9989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9988] <... write resumed>) = 18 [pid 9994] set_robust_list(0x55556dd196a0, 24 [pid 9989] <... openat resumed>) = 3 [pid 9988] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9989] write(3, "1000", 4 [pid 9988] <... futex resumed>) = 0 [pid 9994] <... set_robust_list resumed>) = 0 [pid 9988] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9989] <... write resumed>) = 4 [pid 9988] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9988] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9989] close(3 [pid 9994] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9988] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9989] <... close resumed>) = 0 [pid 9988] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9994] <... prctl resumed>) = 0 [pid 9989] write(1, "executing program\n", 18executing program [pid 9988] <... mmap resumed>) = 0x7f70b113b000 [pid 9988] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9991] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9989] <... write resumed>) = 18 [pid 9988] <... mprotect resumed>) = 0 [pid 9994] setpgid(0, 0) = 0 [pid 9988] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9989] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9988] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9991] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9989] <... futex resumed>) = 0 [pid 9988] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9994] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9989] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9991] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9988] <... clone3 resumed> => {parent_tid=[9995]}, 88) = 9995 [pid 9988] rt_sigprocmask(SIG_SETMASK, [], [pid 9989] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9991] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9988] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9988] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9994] <... openat resumed>) = 3 [pid 9989] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9988] <... futex resumed>) = 0 [pid 9984] <... futex resumed>) = 0 [pid 9991] <... futex resumed>) = 1 [pid 9989] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9988] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9991] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9984] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9989] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9994] write(3, "1000", 4) = 4 [pid 9984] <... futex resumed>) = 0 [pid 9994] close(3 [pid 9989] <... mmap resumed>) = 0x7f70b113b000 [pid 9984] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9991] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9989] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9994] <... close resumed>) = 0 [pid 9994] write(1, "executing program\n", 18) = 18 executing program [pid 9994] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9994] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 9994] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9994] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 9994] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9994] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9989] <... mprotect resumed>) = 0 [pid 9991] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9994] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9994] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9989] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9991] <... futex resumed>) = 1 [pid 9989] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9984] <... futex resumed>) = 0 [pid 9989] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9984] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9991] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9994] <... clone3 resumed> => {parent_tid=[9996]}, 88) = 9996 [pid 9994] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9984] <... futex resumed>) = 0 [pid 9991] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9989] <... clone3 resumed> => {parent_tid=[9997]}, 88) = 9997 [pid 9984] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9991] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9989] rt_sigprocmask(SIG_SETMASK, [], [pid 9984] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9991] <... futex resumed>) = 0 [pid 9989] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9984] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9989] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9984] <... futex resumed>) = 0 [pid 9991] write(-1, "0x0000000000000001", 18 [pid 9984] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9989] <... futex resumed>) = 0 [pid 9994] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9991] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9989] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9994] <... futex resumed>) = 0 [pid 9991] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9994] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9995 attached [pid 9995] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9995] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9995] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9995] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9995] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9988] <... futex resumed>) = 0 [pid 9991] <... futex resumed>) = 1 [pid 9988] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9984] <... futex resumed>) = 0 [pid 9991] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9988] <... futex resumed>) = 1 [pid 9984] exit_group(0 [pid 9988] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9991] <... futex resumed>) = ? [pid 9984] <... exit_group resumed>) = ? [pid 9995] <... futex resumed>) = 0 [pid 9995] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 9995] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9988] <... futex resumed>) = 0 [pid 9995] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9988] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9988] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9995] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9995] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9988] <... futex resumed>) = 0 [pid 9988] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9991] +++ exited with 0 +++ [pid 9984] +++ exited with 0 +++ [pid 9988] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9984, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 9995] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 9995] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9988] <... futex resumed>) = 0 [pid 9995] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9988] exit_group(0./strace-static-x86_64: Process 9997 attached ) = ? [pid 9997] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 9997] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9997] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9997] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9989] <... futex resumed>) = 0 [pid 9997] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9989] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9997] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 9989] <... futex resumed>) = 0 [pid 9997] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9989] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9997] <... futex resumed>) = 0 [pid 9989] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9995] <... futex resumed>) = ? [pid 9989] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9997] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 9989] <... futex resumed>) = 0 [pid 9997] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9989] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9997] <... futex resumed>) = 0 [pid 9989] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9997] write(-1, "0x0000000000000001", 18 [pid 9989] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9997] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9989] <... futex resumed>) = 0 [pid 9992] +++ exited with 0 +++ [pid 9990] +++ exited with 0 +++ [pid 9989] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9990, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 9997] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9989] <... futex resumed>) = 0 [pid 9997] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9989] exit_group(0./strace-static-x86_64: Process 9996 attached ) = ? [pid 9997] <... futex resumed>) = ? [pid 9995] +++ exited with 0 +++ [pid 9988] +++ exited with 0 +++ [pid 9996] set_robust_list(0x7f70b115b9a0, 24 [pid 555] <... restart_syscall resumed>) = 0 [pid 551] <... restart_syscall resumed>) = 0 [pid 9997] +++ exited with 0 +++ [pid 9989] +++ exited with 0 +++ [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9988, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9996] <... set_robust_list resumed>) = 0 [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9989, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 9998 attached [pid 9996] rt_sigprocmask(SIG_SETMASK, [], [pid 553] <... restart_syscall resumed>) = 0 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 9998 ./strace-static-x86_64: Process 9999 attached [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 9999 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 9996] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9996] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9998] set_robust_list(0x55556dd196a0, 24 [pid 9996] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 9996] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9994] <... futex resumed>) = 0 [pid 9994] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9994] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9996] <... futex resumed>) = 1 [pid 9998] <... set_robust_list resumed>) = 0 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10000 [pid 9999] set_robust_list(0x55556dd196a0, 24 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10001 ./strace-static-x86_64: Process 10001 attached [pid 9999] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 10000 attached [pid 9996] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 9999] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10000] set_robust_list(0x55556dd196a0, 24 [pid 10001] set_robust_list(0x55556dd196a0, 24 [pid 10000] <... set_robust_list resumed>) = 0 [pid 9999] <... prctl resumed>) = 0 [pid 10001] <... set_robust_list resumed>) = 0 [pid 9999] setpgid(0, 0 [pid 9998] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10000] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9999] <... setpgid resumed>) = 0 [pid 10001] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 9996] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10001] <... prctl resumed>) = 0 executing program [pid 9999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9996] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9994] <... futex resumed>) = 0 [pid 9999] <... openat resumed>) = 3 [pid 9994] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10001] setpgid(0, 0 [pid 10000] <... prctl resumed>) = 0 [pid 9999] write(3, "1000", 4 [pid 9994] <... futex resumed>) = 0 [pid 9999] <... write resumed>) = 4 [pid 9994] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10000] setpgid(0, 0 [pid 10001] <... setpgid resumed>) = 0 [pid 9999] close(3) = 0 [pid 9998] <... prctl resumed>) = 0 [pid 9996] <... futex resumed>) = 1 [pid 10000] <... setpgid resumed>) = 0 [pid 9999] write(1, "executing program\n", 18) = 18 [pid 9998] setpgid(0, 0 [pid 9996] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10001] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9999] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9998] <... setpgid resumed>) = 0 [pid 9996] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10000] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9999] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10001] <... openat resumed>) = 3 [pid 10000] <... openat resumed>) = 3 [pid 9999] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9998] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 9996] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10001] write(3, "1000", 4 [pid 10000] write(3, "1000", 4 [pid 9999] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9998] <... openat resumed>) = 3 [pid 9996] <... futex resumed>) = 1 [pid 9994] <... futex resumed>) = 0 [pid 10001] <... write resumed>) = 4 [pid 10000] <... write resumed>) = 4 [pid 9999] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9998] write(3, "1000", 4 [pid 9996] write(-1, "0x0000000000000001", 18 [pid 9994] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10001] close(3 [pid 10000] close(3 [pid 9999] <... mmap resumed>) = 0x7f70b113b000 [pid 9998] <... write resumed>) = 4 [pid 9996] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 9994] <... futex resumed>) = 0 [pid 10001] <... close resumed>) = 0 [pid 10000] <... close resumed>) = 0 [pid 9999] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9998] close(3 [pid 9996] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9994] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9999] <... mprotect resumed>) = 0 executing program [pid 9998] <... close resumed>) = 0 [pid 9996] <... futex resumed>) = 0 [pid 10001] write(1, "executing program\n", 18 [pid 9994] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10001] <... write resumed>) = 18 [pid 10000] write(1, "executing program\n", 18 [pid 9999] rt_sigprocmask(SIG_BLOCK, ~[], executing program executing program [pid 9998] write(1, "executing program\n", 18 [pid 9996] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9994] exit_group(0 [pid 10001] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10000] <... write resumed>) = 18 [pid 9999] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9998] <... write resumed>) = 18 [pid 9996] <... futex resumed>) = ? [pid 9994] <... exit_group resumed>) = ? [pid 10001] <... futex resumed>) = 0 [pid 10000] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9999] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0}./strace-static-x86_64: Process 10002 attached [pid 10001] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10000] <... futex resumed>) = 0 [pid 9998] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 9996] +++ exited with 0 +++ [pid 9994] +++ exited with 0 +++ [pid 10002] set_robust_list(0x7f70b115b9a0, 24 [pid 10001] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10000] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 9999] <... clone3 resumed> => {parent_tid=[10002]}, 88) = 10002 [pid 9998] <... futex resumed>) = 0 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9994, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10002] <... set_robust_list resumed>) = 0 [pid 10001] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10000] <... rt_sigaction resumed>NULL, 8) = 0 [pid 9999] rt_sigprocmask(SIG_SETMASK, [], [pid 9998] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10002] rt_sigprocmask(SIG_SETMASK, [], [pid 9998] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10002] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9999] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9998] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10001] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10002] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10000] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 9999] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9998] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10002] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10001] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10000] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9999] <... futex resumed>) = 0 [pid 9998] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10002] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10001] <... mmap resumed>) = 0x7f70b113b000 [pid 10000] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9999] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9998] <... mmap resumed>) = 0x7f70b113b000 [pid 10002] <... futex resumed>) = 0 [pid 10001] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10000] <... mmap resumed>) = 0x7f70b113b000 [pid 9999] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9998] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10002] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9998] <... mprotect resumed>) = 0 [pid 10002] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10001] <... mprotect resumed>) = 0 [pid 10000] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 9999] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9998] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10002] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10000] <... mprotect resumed>) = 0 [pid 9999] <... futex resumed>) = 0 [pid 9998] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10002] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10001] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9998] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10002] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10001] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10000] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9999] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10002] <... futex resumed>) = 0 [pid 10001] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10000] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9999] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9998] <... clone3 resumed> => {parent_tid=[10003]}, 88) = 10003 [pid 10002] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10000] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 9999] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9998] rt_sigprocmask(SIG_SETMASK, [], [pid 10002] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 9999] <... futex resumed>) = 0 [pid 9998] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10002] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10001] <... clone3 resumed> => {parent_tid=[10004]}, 88) = 10004 [pid 9999] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9998] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10002] <... futex resumed>) = 0 [pid 10001] rt_sigprocmask(SIG_SETMASK, [], [pid 10000] <... clone3 resumed> => {parent_tid=[10005]}, 88) = 10005 [pid 9999] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9998] <... futex resumed>) = 0 [pid 10002] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10001] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10000] rt_sigprocmask(SIG_SETMASK, [], [pid 9999] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 9998] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10002] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10001] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10000] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9999] <... futex resumed>) = 0 [pid 554] <... restart_syscall resumed>) = 0 [pid 10002] write(-1, "0x0000000000000001", 18 [pid 10001] <... futex resumed>) = 0 [pid 9999] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10000] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10002] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10001] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10000] <... futex resumed>) = 0 [pid 10002] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10003 attached [pid 10002] <... futex resumed>) = 1 [pid 10000] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9999] <... futex resumed>) = 0 [pid 10002] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9999] exit_group(0 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10006 [pid 10002] <... futex resumed>) = ? [pid 9999] <... exit_group resumed>) = ? [pid 10002] +++ exited with 0 +++ ./strace-static-x86_64: Process 10004 attached [pid 10004] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10004] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10004] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 9999] +++ exited with 0 +++ [pid 10004] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9999, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10004] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10004] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10001] <... futex resumed>) = 0 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10001] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10005 attached [pid 10005] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10005] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10005] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10001] <... futex resumed>) = 1 [pid 10001] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10007 [pid 10004] <... futex resumed>) = 0 [pid 10004] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10004] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10005] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10004] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10001] <... futex resumed>) = 0 [pid 10004] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10001] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10005] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10001] <... futex resumed>) = 0 [pid 10004] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10001] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10005] <... futex resumed>) = 1 [pid 10000] <... futex resumed>) = 0 [pid 10004] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10000] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10005] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10000] <... futex resumed>) = 0 [pid 10005] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10004] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10000] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10005] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10004] <... futex resumed>) = 1 [pid 10001] <... futex resumed>) = 0 [pid 10000] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10001] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10000] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10001] <... futex resumed>) = 0 [pid 10000] <... futex resumed>) = 0 [pid 10001] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10000] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10005] <... futex resumed>) = 1 [pid 10004] write(-1, "0x0000000000000001", 18 [pid 10000] <... futex resumed>) = 0 [pid 10005] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10004] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10005] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10004] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10000] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10003] set_robust_list(0x7f70b115b9a0, 24 [pid 10005] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10004] <... futex resumed>) = 1 [pid 10001] <... futex resumed>) = 0 [pid 10005] <... futex resumed>) = 1 [pid 10004] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10003] <... set_robust_list resumed>) = 0 [pid 10001] exit_group(0 [pid 10000] <... futex resumed>) = 0 [pid 10005] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 10007 attached [pid 10001] <... exit_group resumed>) = ? [pid 10000] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10003] rt_sigprocmask(SIG_SETMASK, [], [pid 10000] <... futex resumed>) = 1 [pid 10003] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10000] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10005] <... futex resumed>) = 0 [pid 10004] <... futex resumed>) = ? [pid 10003] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7./strace-static-x86_64: Process 10006 attached [pid 10005] write(-1, "0x0000000000000001", 18 [pid 10004] +++ exited with 0 +++ [pid 10003] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10001] +++ exited with 0 +++ [pid 10007] set_robust_list(0x55556dd196a0, 24 [pid 10005] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10003] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10001, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10007] <... set_robust_list resumed>) = 0 [pid 10005] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10003] <... futex resumed>) = 1 [pid 9998] <... futex resumed>) = 0 [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10007] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10005] <... futex resumed>) = 1 [pid 10003] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10000] <... futex resumed>) = 0 [pid 9998] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10007] <... prctl resumed>) = 0 [pid 10006] set_robust_list(0x55556dd196a0, 24 [pid 10005] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10003] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10000] exit_group(0 [pid 9998] <... futex resumed>) = 0 [pid 10007] setpgid(0, 0 [pid 10006] <... set_robust_list resumed>) = 0 [pid 10005] <... futex resumed>) = ? [pid 10003] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10000] <... exit_group resumed>) = ? [pid 9998] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10007] <... setpgid resumed>) = 0 [pid 10006] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10005] +++ exited with 0 +++ [pid 10003] <... futex resumed>) = 0 [pid 10000] +++ exited with 0 +++ [pid 9998] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10006] <... prctl resumed>) = 0 [pid 9998] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10007] <... openat resumed>) = 3 [pid 10006] setpgid(0, 0 [pid 10003] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 9998] <... futex resumed>) = 0 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10000, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10007] write(3, "1000", 4 [pid 10006] <... setpgid resumed>) = 0 [pid 9998] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10007] <... write resumed>) = 4 [pid 10006] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10003] <... openat resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 10007] close(3 [pid 10006] <... openat resumed>) = 3 [pid 10003] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10007] <... close resumed>) = 0 [pid 10006] write(3, "1000", 4 [pid 10007] write(1, "executing program\n", 18 [pid 10006] <... write resumed>) = 4 [pid 10007] <... write resumed>) = 18 [pid 10003] <... futex resumed>) = 1 [pid 9998] <... futex resumed>) = 0 [pid 10007] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10006] close(3 [pid 10003] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9998] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10007] <... futex resumed>) = 0 [pid 10006] <... close resumed>) = 0 [pid 10003] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9998] <... futex resumed>) = 0 [pid 10007] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10006] write(1, "executing program\n", 18 executing program [pid 9998] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10007] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10006] <... write resumed>) = 18 [pid 10003] write(-1, "0x0000000000000001", 18 [pid 10007] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10006] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10003] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10007] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10006] <... futex resumed>) = 0 [pid 10003] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10007] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10006] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10007] <... mmap resumed>) = 0x7f70b113b000 [pid 10003] <... futex resumed>) = 1 [pid 9998] <... futex resumed>) = 0 [pid 10007] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10006] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10003] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9998] exit_group(0 [pid 10007] <... mprotect resumed>) = 0 [pid 10006] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10003] <... futex resumed>) = ? [pid 9998] <... exit_group resumed>) = ? [pid 10007] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10006] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10003] +++ exited with 0 +++ [pid 9998] +++ exited with 0 +++ [pid 10007] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10007] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10006] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9998, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10007] <... clone3 resumed> => {parent_tid=[10008]}, 88) = 10008 [pid 10006] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10007] rt_sigprocmask(SIG_SETMASK, [], [pid 10006] <... mprotect resumed>) = 0 [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 10007] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10006] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10007] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10006] <... rt_sigprocmask resumed>[], 8) = 0 [pid 555] <... restart_syscall resumed>) = 0 [pid 10007] <... futex resumed>) = 0 [pid 10006] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10007] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10006] <... clone3 resumed> => {parent_tid=[10009]}, 88) = 10009 [pid 10006] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10006] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] <... restart_syscall resumed>) = 0 [pid 552] <... restart_syscall resumed>) = 0 [pid 10006] <... futex resumed>) = 0 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10006] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10008 attached [pid 10008] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10008] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10008] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10010 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10008] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10007] <... futex resumed>) = 0 [pid 10007] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10007] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10008] <... futex resumed>) = 1 [pid 10008] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10008] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10007] <... futex resumed>) = 0 [pid 10007] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10007] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10008] <... futex resumed>) = 1 [pid 10008] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10011 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10012 [pid 10008] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10008] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10007] <... futex resumed>) = 0 [pid 10007] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10007] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10008] <... futex resumed>) = 1 [pid 10008] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10008] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10007] <... futex resumed>) = 0 [pid 10007] exit_group(0) = ? [pid 10008] <... futex resumed>) = ? ./strace-static-x86_64: Process 10012 attached ./strace-static-x86_64: Process 10011 attached ./strace-static-x86_64: Process 10009 attached [pid 10008] +++ exited with 0 +++ [pid 10007] +++ exited with 0 +++ [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10007, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 551] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 10010 attached [pid 10010] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10010] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10010] setpgid(0, 0) = 0 [pid 10010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10010] write(3, "1000", 4 [pid 10012] set_robust_list(0x55556dd196a0, 24 [pid 10010] <... write resumed>) = 4 [pid 10010] close(3) = 0 executing program [pid 10010] write(1, "executing program\n", 18) = 18 [pid 10010] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10010] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10010] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10010] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10010] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10010] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10010] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10012] <... set_robust_list resumed>) = 0 [pid 10011] set_robust_list(0x55556dd196a0, 24 [pid 10012] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10011] <... set_robust_list resumed>) = 0 [pid 10010] <... clone3 resumed> => {parent_tid=[10013]}, 88) = 10013 [pid 10010] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10010] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10010] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10012] <... prctl resumed>) = 0 [pid 10011] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 10013 attached [pid 10013] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10013] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10013] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10013] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10010] <... futex resumed>) = 0 [pid 10010] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10010] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10013] <... futex resumed>) = 1 [pid 10013] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10013] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10010] <... futex resumed>) = 0 [pid 10010] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10010] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10013] <... futex resumed>) = 1 [pid 10013] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10012] setpgid(0, 0 [pid 10011] <... prctl resumed>) = 0 [pid 10012] <... setpgid resumed>) = 0 [pid 10009] set_robust_list(0x7f70b115b9a0, 24 [pid 10013] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10013] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10012] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10010] <... futex resumed>) = 0 [pid 10011] setpgid(0, 0 [pid 10009] <... set_robust_list resumed>) = 0 [pid 10010] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10010] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10013] <... futex resumed>) = 1 [pid 10013] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10013] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10010] <... futex resumed>) = 0 [pid 10010] exit_group(0) = ? [pid 10013] <... futex resumed>) = ? [pid 10012] <... openat resumed>) = 3 [pid 10011] <... setpgid resumed>) = 0 [pid 10012] write(3, "1000", 4 [pid 10009] rt_sigprocmask(SIG_SETMASK, [], [pid 10011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10012] <... write resumed>) = 4 [pid 10009] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10011] <... openat resumed>) = 3 [pid 10012] close(3 [pid 10009] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10012] <... close resumed>) = 0 executing program [pid 10011] write(3, "1000", 4 [pid 10012] write(1, "executing program\n", 18 [pid 10009] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10012] <... write resumed>) = 18 [pid 10011] <... write resumed>) = 4 [pid 10009] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10012] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10011] close(3 [pid 10009] <... futex resumed>) = 1 [pid 10012] <... futex resumed>) = 0 [pid 10011] <... close resumed>) = 0 [pid 10012] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, executing program [pid 10011] write(1, "executing program\n", 18 [pid 10009] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10012] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10011] <... write resumed>) = 18 [pid 10012] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10011] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10012] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10011] <... futex resumed>) = 0 [pid 10012] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10011] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10012] <... mmap resumed>) = 0x7f70b113b000 [pid 10011] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10012] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10011] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10012] <... mprotect resumed>) = 0 [pid 10011] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10006] <... futex resumed>) = 0 [pid 10006] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10006] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10009] <... futex resumed>) = 0 [pid 10012] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10011] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10012] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10011] <... mmap resumed>) = 0x7f70b113b000 [pid 10012] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10011] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10009] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 551] <... restart_syscall resumed>) = 0 [pid 10011] <... mprotect resumed>) = 0 [pid 10009] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10006] <... futex resumed>) = 0 [pid 10006] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10006] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10012] <... clone3 resumed> => {parent_tid=[10014]}, 88) = 10014 [pid 10011] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10009] <... futex resumed>) = 1 [pid 10009] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10009] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10006] <... futex resumed>) = 0 [pid 10006] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10012] rt_sigprocmask(SIG_SETMASK, [], [pid 10011] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10006] <... futex resumed>) = 0 [pid 10012] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10011] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10006] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10015 [pid 10012] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10012] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10009] <... futex resumed>) = 1 [pid 10011] <... clone3 resumed> => {parent_tid=[10016]}, 88) = 10016 [pid 10011] rt_sigprocmask(SIG_SETMASK, [], [pid 10009] write(-1, "0x0000000000000001", 18 [pid 10013] +++ exited with 0 +++ [pid 10011] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10010] +++ exited with 0 +++ [pid 10011] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10010, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10011] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10009] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10009] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 10009] <... futex resumed>) = 1 [pid 10006] <... futex resumed>) = 0 [pid 10009] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10006] exit_group(0 [pid 10009] <... futex resumed>) = ? [pid 10006] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 10016 attached ./strace-static-x86_64: Process 10014 attached [pid 10009] +++ exited with 0 +++ [pid 10006] +++ exited with 0 +++ [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10006, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 554] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 10015 attached [pid 10015] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10015] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10016] set_robust_list(0x7f70b115b9a0, 24 [pid 10014] set_robust_list(0x7f70b115b9a0, 24 [pid 10015] <... prctl resumed>) = 0 [pid 10015] setpgid(0, 0) = 0 [pid 10015] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10016] <... set_robust_list resumed>) = 0 [pid 10014] <... set_robust_list resumed>) = 0 [pid 10015] <... openat resumed>) = 3 [pid 10015] write(3, "1000", 4) = 4 [pid 10015] close(3) = 0 executing program [pid 10015] write(1, "executing program\n", 18) = 18 [pid 10015] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10015] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10015] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10015] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10015] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10015] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10015] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10017]}, 88) = 10017 [pid 10015] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10015] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10015] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10017 attached [pid 10017] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10017] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10017] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10016] rt_sigprocmask(SIG_SETMASK, [], [pid 10014] rt_sigprocmask(SIG_SETMASK, [], [pid 10017] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10017] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10015] <... futex resumed>) = 0 [pid 10015] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10015] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10017] <... futex resumed>) = 1 [pid 10017] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10017] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10015] <... futex resumed>) = 0 [pid 10015] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10015] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10017] <... futex resumed>) = 1 [pid 10017] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10017] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10015] <... futex resumed>) = 0 [pid 10015] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10015] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10017] <... futex resumed>) = 1 [pid 10017] write(-1, "0x0000000000000001", 18 [pid 10016] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10014] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10017] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10017] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10016] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10015] <... futex resumed>) = 0 [pid 10015] exit_group(0) = ? [pid 10017] <... futex resumed>) = ? [pid 10016] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10014] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10016] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10011] <... futex resumed>) = 0 [pid 10016] <... futex resumed>) = 1 [pid 10014] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10011] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10016] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10014] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10011] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10016] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10014] <... futex resumed>) = 1 [pid 10012] <... futex resumed>) = 0 [pid 10012] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10016] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10014] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10012] <... futex resumed>) = 0 [pid 10011] <... futex resumed>) = 0 [pid 554] <... restart_syscall resumed>) = 0 [pid 10016] <... futex resumed>) = 1 [pid 10014] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10012] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10011] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10016] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10014] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10011] <... futex resumed>) = 0 [pid 10011] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10016] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10014] <... futex resumed>) = 1 [pid 10012] <... futex resumed>) = 0 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10016] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10014] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10012] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10017] +++ exited with 0 +++ [pid 10015] +++ exited with 0 +++ [pid 10012] <... futex resumed>) = 0 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10018 [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10015, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10016] <... futex resumed>) = 1 [pid 10012] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10011] <... futex resumed>) = 0 ./strace-static-x86_64: Process 10018 attached [pid 10016] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10014] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10011] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10016] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10014] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10011] <... futex resumed>) = 0 [pid 10018] set_robust_list(0x55556dd196a0, 24 [pid 10016] write(-1, "0x0000000000000001", 18 [pid 10014] <... futex resumed>) = 1 [pid 10012] <... futex resumed>) = 0 [pid 10011] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 555] <... restart_syscall resumed>) = 0 [pid 551] <... restart_syscall resumed>) = 0 [pid 10018] <... set_robust_list resumed>) = 0 [pid 10016] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10014] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10012] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10016] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10014] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10012] <... futex resumed>) = 0 [pid 10018] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10016] <... futex resumed>) = 1 [pid 10012] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10011] <... futex resumed>) = 0 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10014] write(-1, "0x0000000000000001", 18 [pid 10018] <... prctl resumed>) = 0 [pid 10016] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10011] exit_group(0 [pid 10014] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10011] <... exit_group resumed>) = ? [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10019 [pid 10016] <... futex resumed>) = 10019 executing program [pid 10018] setpgid(0, 0 [pid 10014] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10020 ./strace-static-x86_64: Process 10020 attached [pid 10020] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10020] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10020] setpgid(0, 0) = 0 [pid 10016] +++ exited with 0 +++ [pid 10014] <... futex resumed>) = 1 [pid 10012] <... futex resumed>) = 0 [pid 10011] +++ exited with 0 +++ [pid 10018] <... setpgid resumed>) = 0 [pid 10014] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10012] exit_group(0) = ? [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10011, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10014] <... futex resumed>) = 231 [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10020] write(3, "1000", 4) = 4 [pid 10020] close(3) = 0 [pid 10020] write(1, "executing program\n", 18) = 18 [pid 10014] +++ exited with 0 +++ [pid 10012] +++ exited with 0 +++ [pid 10020] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10012, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10018] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10020] <... futex resumed>) = 0 [pid 10020] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10018] <... openat resumed>) = 3 [pid 10020] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10020] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10020] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10020] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10020] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10018] write(3, "1000", 4 [pid 10020] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10020] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10021]}, 88) = 10021 ./strace-static-x86_64: Process 10021 attached [pid 10018] <... write resumed>) = 4 [pid 10020] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10020] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10020] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10019 attached [pid 10019] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10019] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10019] setpgid(0, 0) = 0 [pid 10018] close(3 [pid 10019] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10019] write(3, "1000", 4) = 4 [pid 10019] close(3executing program ) = 0 [pid 10019] write(1, "executing program\n", 18) = 18 [pid 10019] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10019] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10019] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10019] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10019] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10019] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10021] set_robust_list(0x7f70b115b9a0, 24executing program [pid 10018] <... close resumed>) = 0 [pid 10019] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10018] write(1, "executing program\n", 18 [pid 10019] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10018] <... write resumed>) = 18 [pid 10018] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10018] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10018] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10018] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10019] <... clone3 resumed> => {parent_tid=[10022]}, 88) = 10022 [pid 10018] <... mmap resumed>) = 0x7f70b113b000 [pid 10019] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10019] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10018] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10019] <... futex resumed>) = 0 [pid 10018] <... mprotect resumed>) = 0 [pid 10019] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10022 attached [pid 10018] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10022] set_robust_list(0x7f70b115b9a0, 24 [pid 10018] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10022] <... set_robust_list resumed>) = 0 [pid 10018] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10022] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10022] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10018] <... clone3 resumed> => {parent_tid=[10023]}, 88) = 10023 [pid 10022] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10018] rt_sigprocmask(SIG_SETMASK, [], [pid 10022] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10018] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10019] <... futex resumed>) = 0 [pid 10019] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10018] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10019] <... futex resumed>) = 0 [pid 10018] <... futex resumed>) = 0 [pid 10019] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10018] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10022] <... futex resumed>) = 1 [pid 10022] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10022] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10019] <... futex resumed>) = 0 [pid 10019] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10019] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10022] <... futex resumed>) = 1 [pid 10022] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10022] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10019] <... futex resumed>) = 0 [pid 10019] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10019] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10022] <... futex resumed>) = 1 [pid 10022] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10022] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10019] <... futex resumed>) = 0 [pid 10019] exit_group(0) = ? [pid 10022] <... futex resumed>) = ? [pid 10021] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 10023 attached [pid 10021] rt_sigprocmask(SIG_SETMASK, [], [pid 10023] set_robust_list(0x7f70b115b9a0, 24 [pid 10021] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10023] <... set_robust_list resumed>) = 0 [pid 10021] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10023] rt_sigprocmask(SIG_SETMASK, [], [pid 10022] +++ exited with 0 +++ [pid 10019] +++ exited with 0 +++ [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10019, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10021] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10021] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] <... restart_syscall resumed>) = 0 [pid 552] <... restart_syscall resumed>) = 0 [pid 10020] <... futex resumed>) = 0 [pid 10020] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10020] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 551] <... restart_syscall resumed>) = 0 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556dd19690) = 10025 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10024 [pid 10021] <... futex resumed>) = 1 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10026 [pid 10021] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10021] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10020] <... futex resumed>) = 0 [pid 10020] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10020] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10021] <... futex resumed>) = 1 [pid 10021] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10023] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10021] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10021] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10020] <... futex resumed>) = 0 [pid 10020] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10020] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10021] <... futex resumed>) = 1 [pid 10021] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10021] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10020] <... futex resumed>) = 0 [pid 10020] exit_group(0) = ? [pid 10021] <... futex resumed>) = ? ./strace-static-x86_64: Process 10026 attached ./strace-static-x86_64: Process 10025 attached ./strace-static-x86_64: Process 10024 attached [pid 10023] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10021] +++ exited with 0 +++ [pid 10020] +++ exited with 0 +++ [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10020, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 10026] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10026] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10026] setpgid(0, 0) = 0 [pid 10026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10023] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10026] <... openat resumed>) = 3 [pid 10026] write(3, "1000", 4) = 4 [pid 10026] close(3) = 0 [pid 10026] write(1, "executing program\n", 18executing program ) = 18 [pid 10026] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10026] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10026] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10026] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10026] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10026] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10026] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10027]}, 88) = 10027 [pid 10026] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10026] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10026] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10027 attached [pid 10027] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10027] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10027] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10027] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10026] <... futex resumed>) = 0 [pid 10026] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10026] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10027] <... futex resumed>) = 1 [pid 10027] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10027] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10026] <... futex resumed>) = 0 [pid 10026] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10026] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10027] <... futex resumed>) = 1 [pid 10027] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10027] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10026] <... futex resumed>) = 0 [pid 10026] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10026] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10027] <... futex resumed>) = 1 [pid 10027] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10027] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10026] <... futex resumed>) = 0 [pid 10026] exit_group(0) = ? [pid 10027] <... futex resumed>) = ? [pid 10023] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10025] set_robust_list(0x55556dd196a0, 24 [pid 10023] <... futex resumed>) = 1 [pid 10018] <... futex resumed>) = 0 [pid 10025] <... set_robust_list resumed>) = 0 [pid 10023] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10018] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10023] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10018] <... futex resumed>) = 0 [pid 10023] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10018] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10025] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10023] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10023] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10025] <... prctl resumed>) = 0 [pid 10023] <... futex resumed>) = 1 [pid 10018] <... futex resumed>) = 0 [pid 10023] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10025] setpgid(0, 0 [pid 10018] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10023] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10018] <... futex resumed>) = 0 [pid 10023] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10025] <... setpgid resumed>) = 0 [pid 10018] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10023] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10023] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10018] <... futex resumed>) = 0 [pid 10023] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10018] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10023] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10018] <... futex resumed>) = 0 [pid 10023] write(-1, "0x0000000000000001", 18 [pid 10018] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10023] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10023] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10018] <... futex resumed>) = 0 [pid 10025] <... openat resumed>) = 3 [pid 10023] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10018] exit_group(0 [pid 10025] write(3, "1000", 4 [pid 10023] <... futex resumed>) = ? [pid 10018] <... exit_group resumed>) = ? [pid 10023] +++ exited with 0 +++ [pid 10027] +++ exited with 0 +++ [pid 10026] +++ exited with 0 +++ [pid 10024] set_robust_list(0x55556dd196a0, 24 [pid 10018] +++ exited with 0 +++ [pid 10025] <... write resumed>) = 4 executing program [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10018, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10026, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10025] close(3 [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10024] <... set_robust_list resumed>) = 0 [pid 554] <... restart_syscall resumed>) = 0 [pid 10025] <... close resumed>) = 0 [pid 10025] write(1, "executing program\n", 18 [pid 10024] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10025] <... write resumed>) = 18 [pid 10024] setpgid(0, 0) = 0 [pid 10024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10025] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10024] <... openat resumed>) = 3 [pid 555] <... restart_syscall resumed>) = 0 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10028 [pid 10025] <... futex resumed>) = 0 [pid 10025] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 552] <... restart_syscall resumed>) = 0 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10028 attached ./strace-static-x86_64: Process 10029 attached [pid 10025] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10024] write(3, "1000", 4 [pid 10025] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10029 [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10029] set_robust_list(0x55556dd196a0, 24 [pid 10028] set_robust_list(0x55556dd196a0, 24 [pid 10025] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10024] <... write resumed>) = 4 ./strace-static-x86_64: Process 10030 attached [pid 10025] <... mmap resumed>) = 0x7f70b113b000 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10030 [pid 10025] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10024] close(3) = 0 [pid 10025] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10024] write(1, "executing program\n", 18 executing program [pid 10025] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10025] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10024] <... write resumed>) = 18 [pid 10024] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10025] <... clone3 resumed> => {parent_tid=[10031]}, 88) = 10031 [pid 10024] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10025] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10024] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10025] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10024] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10024] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10025] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10024] <... mmap resumed>) = 0x7f70b113b000 [pid 10024] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10024] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 10031 attached [pid 10030] set_robust_list(0x55556dd196a0, 24 [pid 10024] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10024] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10032]}, 88) = 10032 [pid 10024] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10024] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10024] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10029] <... set_robust_list resumed>) = 0 [pid 10029] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10028] <... set_robust_list resumed>) = 0 [pid 10028] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10029] <... prctl resumed>) = 0 [pid 10029] setpgid(0, 0 [pid 10028] <... prctl resumed>) = 0 [pid 10028] setpgid(0, 0 [pid 10029] <... setpgid resumed>) = 0 [pid 10029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10028] <... setpgid resumed>) = 0 [pid 10028] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10030] <... set_robust_list resumed>) = 0 [pid 10029] <... openat resumed>) = 3 [pid 10031] set_robust_list(0x7f70b115b9a0, 24 [pid 10028] <... openat resumed>) = 3 [pid 10028] write(3, "1000", 4 [pid 10029] write(3, "1000", 4 [pid 10028] <... write resumed>) = 4 [pid 10029] <... write resumed>) = 4 [pid 10028] close(3 [pid 10029] close(3) = 0 [pid 10028] <... close resumed>) = 0 executing program executing program [pid 10028] write(1, "executing program\n", 18 [pid 10029] write(1, "executing program\n", 18 [pid 10028] <... write resumed>) = 18 [pid 10029] <... write resumed>) = 18 [pid 10028] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10029] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10028] <... futex resumed>) = 0 [pid 10029] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10028] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10029] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10028] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10029] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10028] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10029] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10028] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10029] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10028] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10029] <... mmap resumed>) = 0x7f70b113b000 [pid 10028] <... mmap resumed>) = 0x7f70b113b000 [pid 10029] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10028] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10029] <... mprotect resumed>) = 0 [pid 10028] <... mprotect resumed>) = 0 [pid 10029] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10028] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10030] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10029] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10028] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10029] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10028] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10031] <... set_robust_list resumed>) = 0 [pid 10030] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 10034 attached ./strace-static-x86_64: Process 10033 attached ./strace-static-x86_64: Process 10032 attached [pid 10031] rt_sigprocmask(SIG_SETMASK, [], [pid 10030] setpgid(0, 0 [pid 10032] set_robust_list(0x7f70b115b9a0, 24 [pid 10029] <... clone3 resumed> => {parent_tid=[10034]}, 88) = 10034 [pid 10028] <... clone3 resumed> => {parent_tid=[10033]}, 88) = 10033 [pid 10029] rt_sigprocmask(SIG_SETMASK, [], [pid 10028] rt_sigprocmask(SIG_SETMASK, [], [pid 10029] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10028] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10029] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10028] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10029] <... futex resumed>) = 0 [pid 10028] <... futex resumed>) = 0 [pid 10029] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10028] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10034] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10034] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10034] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10034] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10029] <... futex resumed>) = 0 [pid 10034] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10029] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10034] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10029] <... futex resumed>) = 0 [pid 10034] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10029] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10034] <... futex resumed>) = 0 [pid 10029] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10034] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10029] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10034] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10029] <... futex resumed>) = 0 [pid 10034] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10029] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10034] <... futex resumed>) = 0 [pid 10029] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10034] write(-1, "0x0000000000000001", 18 [pid 10029] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10034] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10029] <... futex resumed>) = 0 [pid 10034] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10029] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10034] <... futex resumed>) = 0 [pid 10029] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10034] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10029] exit_group(0 [pid 10034] <... futex resumed>) = ? [pid 10029] <... exit_group resumed>) = ? [pid 10034] +++ exited with 0 +++ [pid 10033] set_robust_list(0x7f70b115b9a0, 24 [pid 10032] <... set_robust_list resumed>) = 0 [pid 10031] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10030] <... setpgid resumed>) = 0 [pid 10029] +++ exited with 0 +++ [pid 10033] <... set_robust_list resumed>) = 0 [pid 10032] rt_sigprocmask(SIG_SETMASK, [], [pid 10031] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10029, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10032] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10031] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10030] <... openat resumed>) = 3 [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 10032] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10033] rt_sigprocmask(SIG_SETMASK, [], [pid 10031] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10030] write(3, "1000", 4 [pid 10032] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 555] <... restart_syscall resumed>) = 0 [pid 10033] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10032] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10031] <... futex resumed>) = 1 [pid 10030] <... write resumed>) = 4 [pid 10025] <... futex resumed>) = 0 [pid 10032] <... futex resumed>) = 1 [pid 10024] <... futex resumed>) = 0 [pid 10033] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10025] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10024] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10033] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10032] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10031] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10030] close(3 [pid 10025] <... futex resumed>) = 0 [pid 10024] <... futex resumed>) = 0 [pid 10032] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10031] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10030] <... close resumed>) = 0 [pid 10025] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10024] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10033] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10032] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10031] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10030] write(1, "executing program\n", 18 [pid 10025] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10024] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10024] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10024] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program ./strace-static-x86_64: Process 10035 attached [pid 10033] <... futex resumed>) = 1 [pid 10032] <... futex resumed>) = 1 [pid 10031] <... futex resumed>) = 0 [pid 10030] <... write resumed>) = 18 [pid 10028] <... futex resumed>) = 0 [pid 10025] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10024] <... futex resumed>) = 0 [pid 10033] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10032] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10031] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10030] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10028] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10025] <... futex resumed>) = 0 [pid 10024] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=49000000} [pid 10028] <... futex resumed>) = 0 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10035 [pid 10028] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10035] set_robust_list(0x55556dd196a0, 24 [pid 10025] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10031] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10032] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10031] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10030] <... futex resumed>) = 0 [pid 10033] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10032] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10031] <... futex resumed>) = 1 [pid 10030] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10025] <... futex resumed>) = 0 [pid 10035] <... set_robust_list resumed>) = 0 [pid 10035] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10035] setpgid(0, 0) = 0 [pid 10035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10025] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10031] write(-1, "0x0000000000000001", 18 [pid 10033] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10032] <... futex resumed>) = 1 [pid 10031] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10030] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10025] <... futex resumed>) = 0 [pid 10024] <... futex resumed>) = 0 [pid 10033] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10032] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10031] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10030] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10025] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10024] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10033] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10032] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10031] <... futex resumed>) = 0 [pid 10030] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10025] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10024] <... futex resumed>) = 0 [pid 10032] write(-1, "0x0000000000000001", 18 [pid 10025] exit_group(0 [pid 10024] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10031] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10035] write(3, "1000", 4 [pid 10033] <... futex resumed>) = 1 [pid 10032] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10030] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10028] <... futex resumed>) = 0 executing program [pid 10025] <... exit_group resumed>) = ? [pid 10035] <... write resumed>) = 4 [pid 10033] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10032] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10031] +++ exited with 0 +++ [pid 10030] <... mmap resumed>) = 0x7f70b113b000 [pid 10028] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10035] close(3 [pid 10028] <... futex resumed>) = 0 [pid 10035] <... close resumed>) = 0 [pid 10028] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10035] write(1, "executing program\n", 18) = 18 [pid 10035] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10035] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10035] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10025] +++ exited with 0 +++ [pid 10030] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10035] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10032] <... futex resumed>) = 1 [pid 10030] <... mprotect resumed>) = 0 [pid 10024] <... futex resumed>) = 0 [pid 10033] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10035] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10032] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10024] exit_group(0 [pid 10035] <... mmap resumed>) = 0x7f70b113b000 [pid 10033] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10032] <... futex resumed>) = ? [pid 10030] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10024] <... exit_group resumed>) = ? [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10025, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10035] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10033] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10032] +++ exited with 0 +++ [pid 10030] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10024] +++ exited with 0 +++ [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10033] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10030] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10024, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10035] <... mprotect resumed>) = 0 [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10035] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10033] <... futex resumed>) = 1 [pid 10030] <... clone3 resumed> => {parent_tid=[10036]}, 88) = 10036 [pid 10028] <... futex resumed>) = 0 [pid 10035] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10030] rt_sigprocmask(SIG_SETMASK, [], [pid 10028] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10035] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10033] write(-1, "0x0000000000000001", 18 [pid 10030] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10028] <... futex resumed>) = 0 [pid 10033] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10030] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10028] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10035] <... clone3 resumed> => {parent_tid=[10037]}, 88) = 10037 [pid 10033] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10030] <... futex resumed>) = 0 [pid 10028] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10035] rt_sigprocmask(SIG_SETMASK, [], [pid 10033] <... futex resumed>) = 0 [pid 10030] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10028] exit_group(0 [pid 10035] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10028] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 10037 attached [pid 10035] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10033] +++ exited with 0 +++ [pid 10028] +++ exited with 0 +++ [pid 10035] <... futex resumed>) = 0 [pid 10035] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10036 attached [pid 10036] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10036] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10036] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10036] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10030] <... futex resumed>) = 0 [pid 10036] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10037] set_robust_list(0x7f70b115b9a0, 24 [pid 10030] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] <... restart_syscall resumed>) = 0 [pid 10030] <... futex resumed>) = 1 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10028, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10037] <... set_robust_list resumed>) = 0 [pid 10036] <... futex resumed>) = 0 [pid 10030] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 554] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 551] <... restart_syscall resumed>) = 0 [pid 10037] rt_sigprocmask(SIG_SETMASK, [], [pid 10036] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH./strace-static-x86_64: Process 10038 attached ) = -1 ENOENT (No such file or directory) [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10038 [pid 10037] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10037] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10036] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10037] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10036] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10037] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10035] <... futex resumed>) = 0 [pid 10030] <... futex resumed>) = 0 [pid 10035] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10035] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10037] <... futex resumed>) = 1 [pid 10037] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10037] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10030] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10039 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10040 [pid 10030] <... futex resumed>) = 1 [pid 10030] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10037] <... futex resumed>) = 1 [pid 10036] <... futex resumed>) = 0 [pid 10035] <... futex resumed>) = 0 [pid 10037] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10036] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10035] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10037] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10036] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10035] <... futex resumed>) = 0 [pid 10037] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10036] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10035] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10037] <... futex resumed>) = 0 [pid 10036] <... futex resumed>) = 1 [pid 10035] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10030] <... futex resumed>) = 0 [pid 10037] write(-1, "0x0000000000000001", 18 [pid 10036] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10035] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10030] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10037] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10035] <... futex resumed>) = 0 [pid 10037] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10036] write(-1, "0x0000000000000001", 18 [pid 10035] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10030] <... futex resumed>) = 0 [pid 10037] <... futex resumed>) = 0 [pid 10036] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10035] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10030] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10037] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10036] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10035] exit_group(0 [pid 10037] <... futex resumed>) = ? [pid 10036] <... futex resumed>) = 0 [pid 10035] <... exit_group resumed>) = ? [pid 10030] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 10039 attached [pid 10038] set_robust_list(0x55556dd196a0, 24 [pid 10037] +++ exited with 0 +++ [pid 10036] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10035] +++ exited with 0 +++ [pid 10030] exit_group(0) = ? [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10035, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 10040 attached [pid 10036] <... futex resumed>) = ? [pid 10040] set_robust_list(0x55556dd196a0, 24 [pid 10039] set_robust_list(0x55556dd196a0, 24 [pid 10038] <... set_robust_list resumed>) = 0 [pid 10036] +++ exited with 0 +++ [pid 10030] +++ exited with 0 +++ [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10030, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10040] <... set_robust_list resumed>) = 0 [pid 10040] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10040] setpgid(0, 0) = 0 [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10041 [pid 10040] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10040] write(3, "1000", 4) = 4 [pid 10040] close(3) = 0 [pid 10038] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program [pid 10040] write(1, "executing program\n", 18) = 18 [pid 10040] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10040] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10040] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10040] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10040] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10040] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10039] <... set_robust_list resumed>) = 0 [pid 10038] <... prctl resumed>) = 0 [pid 10040] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10040] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10042]}, 88) = 10042 [pid 10038] setpgid(0, 0 [pid 10040] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10040] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10039] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10038] <... setpgid resumed>) = 0 [pid 10040] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10041 attached [pid 10041] set_robust_list(0x55556dd196a0, 24 [pid 10038] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10041] <... set_robust_list resumed>) = 0 [pid 10041] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10041] setpgid(0, 0) = 0 [pid 10041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10038] <... openat resumed>) = 3 [pid 10039] <... prctl resumed>) = 0 [pid 10041] <... openat resumed>) = 3 [pid 10038] write(3, "1000", 4 [pid 10039] setpgid(0, 0 [pid 10041] write(3, "1000", 4) = 4 [pid 10041] close(3) = 0 [pid 10041] write(1, "executing program\n", 18executing program ) = 18 [pid 10041] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10041] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10041] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10041] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10038] <... write resumed>) = 4 [pid 10041] <... mmap resumed>) = 0x7f70b113b000 [pid 10041] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10041] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10039] <... setpgid resumed>) = 0 [pid 10038] close(3 [pid 10041] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10041] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10043]}, 88) = 10043 [pid 10038] <... close resumed>) = 0 [pid 10041] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10038] write(1, "executing program\n", 18 [pid 10041] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10041] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10042 attached [pid 10042] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10042] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 executing program [pid 10042] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10038] <... write resumed>) = 18 [pid 10042] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10042] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10039] <... openat resumed>) = 3 [pid 10038] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10040] <... futex resumed>) = 0 [pid 10040] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10040] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10042] <... futex resumed>) = 1 [pid 10042] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10042] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10040] <... futex resumed>) = 0 [pid 10040] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10039] write(3, "1000", 4 [pid 10038] <... futex resumed>) = 0 [pid 10040] <... futex resumed>) = 0 [pid 10038] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10040] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10039] <... write resumed>) = 4 [pid 10038] <... rt_sigaction resumed>NULL, 8) = 0 [pid 552] <... restart_syscall resumed>) = 0 [pid 10039] close(3 [pid 10038] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10042] <... futex resumed>) = 1 [pid 10042] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10042] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 10039] <... close resumed>) = 0 [pid 10038] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10038] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10040] <... futex resumed>) = 0 [pid 10040] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10040] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10042] <... futex resumed>) = 1 [pid 10042] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10042] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10039] write(1, "executing program\n", 18 [pid 10038] <... mmap resumed>) = 0x7f70b113b000 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10044 [pid 10039] <... write resumed>) = 18 [pid 10038] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10039] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10038] <... mprotect resumed>) = 0 [pid 10039] <... futex resumed>) = 0 [pid 10040] <... futex resumed>) = 0 [pid 10040] exit_group(0 [pid 10039] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10038] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10040] <... exit_group resumed>) = ? [pid 10038] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10042] <... futex resumed>) = ? [pid 10039] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10038] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0}./strace-static-x86_64: Process 10044 attached [pid 10042] +++ exited with 0 +++ [pid 10040] +++ exited with 0 +++ [pid 10039] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10038] <... clone3 resumed> => {parent_tid=[10045]}, 88) = 10045 [pid 10039] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10038] rt_sigprocmask(SIG_SETMASK, [], [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10040, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10039] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10038] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10038] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10039] <... mmap resumed>) = 0x7f70b113b000 [pid 10038] <... futex resumed>) = 0 ./strace-static-x86_64: Process 10043 attached [pid 10043] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10043] rt_sigprocmask(SIG_SETMASK, [], [pid 10039] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10038] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10043] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10039] <... mprotect resumed>) = 0 [pid 10043] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10043] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10041] <... futex resumed>) = 0 [pid 10041] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10041] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10043] <... futex resumed>) = 1 [pid 10043] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10043] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10041] <... futex resumed>) = 0 [pid 10041] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10039] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10041] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10043] <... futex resumed>) = 1 [pid 10039] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10039] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10043] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10043] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10039] <... clone3 resumed> => {parent_tid=[10046]}, 88) = 10046 [pid 10043] <... futex resumed>) = 1 [pid 10041] <... futex resumed>) = 0 [pid 10039] rt_sigprocmask(SIG_SETMASK, [], [pid 10044] set_robust_list(0x55556dd196a0, 24 [pid 10043] write(-1, "0x0000000000000001", 18 [pid 10041] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10044] <... set_robust_list resumed>) = 0 [pid 10043] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10041] <... futex resumed>) = 0 [pid 10039] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10043] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10041] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10039] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10044] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10043] <... futex resumed>) = 0 [pid 10041] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10039] <... futex resumed>) = 0 [pid 10043] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10041] exit_group(0 [pid 10043] <... futex resumed>) = ? [pid 10041] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 10045 attached [pid 10044] <... prctl resumed>) = 0 [pid 10043] +++ exited with 0 +++ [pid 10041] +++ exited with 0 +++ [pid 10039] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10045] set_robust_list(0x7f70b115b9a0, 24 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10041, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10044] setpgid(0, 0 [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 10045] <... set_robust_list resumed>) = 0 [pid 10044] <... setpgid resumed>) = 0 [pid 10045] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10045] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10045] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10045] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 10046 attached [pid 10038] <... futex resumed>) = 0 [pid 10044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10038] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10045] <... futex resumed>) = 0 [pid 10038] <... futex resumed>) = 1 [pid 10045] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10038] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10044] <... openat resumed>) = 3 [pid 10045] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10045] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10038] <... futex resumed>) = 0 [pid 10045] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10038] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10045] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10038] <... futex resumed>) = 0 [pid 10045] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10044] write(3, "1000", 4 [pid 10038] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10045] <... futex resumed>) = 0 [pid 10038] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10045] write(-1, "0x0000000000000001", 18 [pid 10038] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10045] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10038] <... futex resumed>) = 0 [pid 10045] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10038] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10045] <... futex resumed>) = 0 [pid 10038] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10045] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10038] exit_group(0 [pid 10045] <... futex resumed>) = ? [pid 10038] <... exit_group resumed>) = ? [pid 10045] +++ exited with 0 +++ [pid 10044] <... write resumed>) = 4 [pid 10038] +++ exited with 0 +++ [pid 10044] close(3 [pid 10046] set_robust_list(0x7f70b115b9a0, 24 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10038, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10044] <... close resumed>) = 0 [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10046] <... set_robust_list resumed>) = 0 [pid 10044] write(1, "executing program\n", 18 [pid 10046] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 executing program [pid 10046] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10044] <... write resumed>) = 18 [pid 10046] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10046] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10039] <... futex resumed>) = 0 [pid 10044] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10039] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10044] <... futex resumed>) = 0 [pid 10039] <... futex resumed>) = 0 [pid 10044] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10039] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10044] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10046] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10044] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10046] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10044] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10046] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10044] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10046] <... futex resumed>) = 1 [pid 10039] <... futex resumed>) = 0 [pid 10046] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10039] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10044] <... mmap resumed>) = 0x7f70b113b000 [pid 10039] <... futex resumed>) = 0 [pid 10044] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10039] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 553] <... restart_syscall resumed>) = 0 [pid 10044] <... mprotect resumed>) = 0 [pid 10046] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10046] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10044] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10046] <... futex resumed>) = 1 [pid 10046] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10044] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 10047 attached [pid 10044] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10039] <... futex resumed>) = 0 [pid 10039] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10047 [pid 551] <... restart_syscall resumed>) = 0 [pid 10039] <... futex resumed>) = 1 [pid 10039] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10046] <... futex resumed>) = 0 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10046] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 10049 attached [pid 10047] set_robust_list(0x55556dd196a0, 24 [pid 10046] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10044] <... clone3 resumed> => {parent_tid=[10048]}, 88) = 10048 [pid 10047] <... set_robust_list resumed>) = 0 [pid 10044] rt_sigprocmask(SIG_SETMASK, [], [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10049 [pid 10046] <... futex resumed>) = 1 [pid 10039] <... futex resumed>) = 0 [pid 10046] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10044] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10039] exit_group(0 [pid 10047] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10046] <... futex resumed>) = ? [pid 10044] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10039] <... exit_group resumed>) = ? [pid 10049] set_robust_list(0x55556dd196a0, 24 [pid 10047] <... prctl resumed>) = 0 [pid 10046] +++ exited with 0 +++ [pid 10044] <... futex resumed>) = 0 [pid 10039] +++ exited with 0 +++ [pid 10044] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10049] <... set_robust_list resumed>) = 0 [pid 10047] setpgid(0, 0 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10039, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10047] <... setpgid resumed>) = 0 [pid 554] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 10048 attached [pid 10048] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10049] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10048] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10047] <... openat resumed>) = 3 [pid 10049] <... prctl resumed>) = 0 [pid 10047] write(3, "1000", 4 [pid 10049] setpgid(0, 0 [pid 10047] <... write resumed>) = 4 executing program [pid 10049] <... setpgid resumed>) = 0 [pid 10048] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10047] close(3 [pid 10048] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10047] <... close resumed>) = 0 [pid 10048] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10047] write(1, "executing program\n", 18 [pid 555] <... restart_syscall resumed>) = 0 [pid 10049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10047] <... write resumed>) = 18 [pid 10044] <... futex resumed>) = 0 [pid 10044] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10047] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10044] <... futex resumed>) = 0 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10047] <... futex resumed>) = 0 [pid 10044] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10048] <... futex resumed>) = 1 [pid 10048] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10048] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10044] <... futex resumed>) = 0 [pid 10044] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10047] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10044] <... futex resumed>) = 0 [pid 10049] <... openat resumed>) = 3 [pid 10047] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10044] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10050 [pid 10049] write(3, "1000", 4 [pid 10047] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10049] <... write resumed>) = 4 [pid 10047] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10048] <... futex resumed>) = 1 [pid 10049] close(3 [pid 10047] <... mmap resumed>) = 0x7f70b113b000 [pid 10048] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10047] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10049] <... close resumed>) = 0 [pid 10047] <... mprotect resumed>) = 0 [pid 10048] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10048] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10044] <... futex resumed>) = 0 [pid 10044] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10049] write(1, "executing program\n", 18 executing program [pid 10047] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10044] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10049] <... write resumed>) = 18 [pid 10047] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10048] <... futex resumed>) = 1 [pid 10047] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10049] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10048] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10048] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10044] <... futex resumed>) = 0 [pid 10049] <... futex resumed>) = 0 [pid 10048] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10044] exit_group(0 [pid 10049] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10048] <... futex resumed>) = ? [pid 10047] <... clone3 resumed> => {parent_tid=[10051]}, 88) = 10051 [pid 10044] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 10051 attached [pid 10049] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10048] +++ exited with 0 +++ [pid 10047] rt_sigprocmask(SIG_SETMASK, [], [pid 10044] +++ exited with 0 +++ [pid 10049] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10047] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10047] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10049] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10044, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10047] <... futex resumed>) = 0 [pid 10049] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10047] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10049] <... mmap resumed>) = 0x7f70b113b000 ./strace-static-x86_64: Process 10050 attached [pid 10050] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10050] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10049] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10051] set_robust_list(0x7f70b115b9a0, 24 [pid 10050] <... prctl resumed>) = 0 [pid 10050] setpgid(0, 0 [pid 10049] <... mprotect resumed>) = 0 [pid 10050] <... setpgid resumed>) = 0 [pid 10050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 10049] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10050] write(3, "1000", 4) = 4 [pid 10050] close(3) = 0 [pid 10050] write(1, "executing program\n", 18) = 18 [pid 10050] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10050] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10050] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10050] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10050] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10051] <... set_robust_list resumed>) = 0 [pid 10050] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10049] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10050] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10050] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10049] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10050] <... clone3 resumed> => {parent_tid=[10052]}, 88) = 10052 [pid 10050] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10050] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10050] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10052 attached [pid 10052] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10052] rt_sigprocmask(SIG_SETMASK, [], [pid 10049] <... clone3 resumed> => {parent_tid=[10053]}, 88) = 10053 [pid 10052] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10049] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10049] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10049] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10052] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10052] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10050] <... futex resumed>) = 0 [pid 10050] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10050] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10052] <... futex resumed>) = 1 [pid 10052] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 554] <... restart_syscall resumed>) = 0 [pid 10052] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10052] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10050] <... futex resumed>) = 0 [pid 10050] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10050] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10052] <... futex resumed>) = 1 [pid 10052] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10052] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10050] <... futex resumed>) = 0 [pid 10050] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 552] <... restart_syscall resumed>) = 0 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10054 [pid 10050] <... futex resumed>) = 0 [pid 10050] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10052] <... futex resumed>) = 1 [pid 10052] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10052] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10050] <... futex resumed>) = 0 [pid 10050] exit_group(0) = ? [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10055 [pid 10052] <... futex resumed>) = ? [pid 10051] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 10055 attached [pid 10051] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10055] set_robust_list(0x55556dd196a0, 24 [pid 10051] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10055] <... set_robust_list resumed>) = 0 [pid 10052] +++ exited with 0 +++ [pid 10050] +++ exited with 0 +++ [pid 10051] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10050, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10047] <... futex resumed>) = 0 [pid 10051] <... futex resumed>) = 1 ./strace-static-x86_64: Process 10054 attached [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 10051] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10047] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10047] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10051] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10054] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10054] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10054] setpgid(0, 0) = 0 [pid 10054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10051] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10053 attached [pid 10047] <... futex resumed>) = 0 [pid 10051] <... futex resumed>) = 1 [pid 10047] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] <... restart_syscall resumed>) = 0 [pid 10051] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10047] <... futex resumed>) = 0 [pid 10047] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10053] set_robust_list(0x7f70b115b9a0, 24 [pid 10051] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10053] <... set_robust_list resumed>) = 0 [pid 10053] rt_sigprocmask(SIG_SETMASK, [], [pid 10054] <... openat resumed>) = 3 [pid 10053] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10053] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10054] write(3, "1000", 4) = 4 [pid 10053] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10051] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10053] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10056 [pid 10047] <... futex resumed>) = 0 [pid 10051] <... futex resumed>) = 1 [pid 10047] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10047] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10051] write(-1, "0x0000000000000001", 18 [pid 10049] <... futex resumed>) = 0 [pid 10049] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10049] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10054] close(3) = 0 [pid 10053] <... futex resumed>) = 1 [pid 10053] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10054] write(1, "executing program\n", 18executing program ) = 18 [pid 10054] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10053] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10049] <... futex resumed>) = 0 [pid 10049] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10049] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10053] <... futex resumed>) = 1 [pid 10053] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10054] <... futex resumed>) = 0 [pid 10054] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10053] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10054] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10049] <... futex resumed>) = 0 [pid 10049] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10049] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10054] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10053] <... futex resumed>) = 1 [pid 10054] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10053] write(-1, "0x0000000000000001", 18 [pid 10054] <... mmap resumed>) = 0x7f70b113b000 [pid 10054] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10053] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10054] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10053] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10049] <... futex resumed>) = 0 [pid 10049] exit_group(0) = ? [pid 10053] <... futex resumed>) = ? [pid 10051] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10055] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10051] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10054] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10054] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10055] <... prctl resumed>) = 0 [pid 10051] <... futex resumed>) = 1 [pid 10047] <... futex resumed>) = 0 [pid 10051] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10047] exit_group(0 [pid 10055] setpgid(0, 0 [pid 10051] <... futex resumed>) = ? [pid 10047] <... exit_group resumed>) = ? [pid 10054] <... clone3 resumed> => {parent_tid=[10057]}, 88) = 10057 [pid 10054] rt_sigprocmask(SIG_SETMASK, [], [pid 10051] +++ exited with 0 +++ [pid 10047] +++ exited with 0 +++ [pid 10055] <... setpgid resumed>) = 0 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10047, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10054] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10054] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10054] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10053] +++ exited with 0 +++ [pid 10049] +++ exited with 0 +++ [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10049, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 551] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 10056 attached [pid 10055] <... openat resumed>) = 3 [pid 10056] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10056] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10055] write(3, "1000", 4 [pid 10056] <... prctl resumed>) = 0 [pid 10056] setpgid(0, 0) = 0 [pid 553] <... restart_syscall resumed>) = 0 [pid 10055] <... write resumed>) = 4 [pid 10056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program [pid 10055] close(3 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10055] <... close resumed>) = 0 [pid 10056] <... openat resumed>) = 3 [pid 10056] write(3, "1000", 4) = 4 [pid 10056] close(3 [pid 10055] write(1, "executing program\n", 18 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10058 [pid 10056] <... close resumed>) = 0 [pid 10055] <... write resumed>) = 18 executing program [pid 10056] write(1, "executing program\n", 18) = 18 [pid 10056] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10056] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10055] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10056] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10055] <... futex resumed>) = 0 [pid 10056] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10055] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10056] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10055] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10055] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10055] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10056] <... mmap resumed>) = 0x7f70b113b000 [pid 10056] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 551] <... restart_syscall resumed>) = 0 [pid 10055] <... mmap resumed>) = 0x7f70b113b000 [pid 10055] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10055] <... mprotect resumed>) = 0 [pid 10056] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10056] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10059]}, 88) = 10059 [pid 10056] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10060 [pid 10056] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10055] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10056] <... futex resumed>) = 0 [pid 10056] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10057 attached [pid 10057] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10057] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10057] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10057] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10054] <... futex resumed>) = 0 [pid 10054] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10054] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10057] <... futex resumed>) = 1 [pid 10057] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10055] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 10058 attached [pid 10055] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10057] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10054] <... futex resumed>) = 0 [pid 10054] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10055] <... clone3 resumed> => {parent_tid=[10061]}, 88) = 10061 [pid 10055] rt_sigprocmask(SIG_SETMASK, [], [pid 10054] <... futex resumed>) = 0 [pid 10055] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10054] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10055] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10057] <... futex resumed>) = 1 [pid 10055] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10057] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10057] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10054] <... futex resumed>) = 0 [pid 10054] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10054] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10057] <... futex resumed>) = 1 [pid 10057] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10057] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10054] <... futex resumed>) = 0 [pid 10054] exit_group(0) = ? [pid 10057] <... futex resumed>) = ? [pid 10058] set_robust_list(0x55556dd196a0, 24./strace-static-x86_64: Process 10061 attached ./strace-static-x86_64: Process 10060 attached ) = 0 [pid 10057] +++ exited with 0 +++ [pid 10054] +++ exited with 0 +++ ./strace-static-x86_64: Process 10059 attached [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10054, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 10059] set_robust_list(0x7f70b115b9a0, 24 [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10058] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10059] <... set_robust_list resumed>) = 0 [pid 10059] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10059] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10060] set_robust_list(0x55556dd196a0, 24 [pid 10058] <... prctl resumed>) = 0 [pid 10059] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10059] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10056] <... futex resumed>) = 0 [pid 10056] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10056] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10059] <... futex resumed>) = 1 [pid 10059] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10058] setpgid(0, 0 [pid 10060] <... set_robust_list resumed>) = 0 [pid 10059] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10059] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10056] <... futex resumed>) = 0 [pid 10056] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10056] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10059] <... futex resumed>) = 1 [pid 10059] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10059] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10056] <... futex resumed>) = 0 [pid 10056] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10056] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10059] <... futex resumed>) = 1 [pid 10059] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10059] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10056] <... futex resumed>) = 0 [pid 10060] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10058] <... setpgid resumed>) = 0 [pid 10056] exit_group(0) = ? [pid 10059] <... futex resumed>) = ? [pid 10058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10060] <... prctl resumed>) = 0 [pid 10060] setpgid(0, 0 [pid 10059] +++ exited with 0 +++ [pid 10058] <... openat resumed>) = 3 [pid 10056] +++ exited with 0 +++ [pid 10060] <... setpgid resumed>) = 0 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10056, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10058] write(3, "1000", 4 [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 10061] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10061] rt_sigprocmask(SIG_SETMASK, [], [pid 10060] <... openat resumed>) = 3 [pid 10058] <... write resumed>) = 4 [pid 10061] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10061] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10061] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10055] <... futex resumed>) = 0 [pid 10055] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10055] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10061] <... futex resumed>) = 1 [pid 10061] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10058] close(3 [pid 10060] write(3, "1000", 4 [pid 10061] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10061] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10058] <... close resumed>) = 0 [pid 10060] <... write resumed>) = 4 executing program executing program [pid 10058] write(1, "executing program\n", 18 [pid 10060] close(3 [pid 10058] <... write resumed>) = 18 [pid 10060] <... close resumed>) = 0 [pid 10060] write(1, "executing program\n", 18 [pid 10058] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10060] <... write resumed>) = 18 [pid 10058] <... futex resumed>) = 0 [pid 10055] <... futex resumed>) = 0 [pid 10060] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10058] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10055] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10060] <... futex resumed>) = 0 [pid 10055] <... futex resumed>) = 0 [pid 10055] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10061] <... futex resumed>) = 1 [pid 10060] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10058] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10060] <... rt_sigaction resumed>NULL, 8) = 0 [pid 554] <... restart_syscall resumed>) = 0 [pid 10060] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10058] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10060] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10061] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10058] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10060] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10058] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10061] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10055] <... futex resumed>) = 0 [pid 10055] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10055] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10061] <... futex resumed>) = 1 [pid 10061] write(-1, "0x0000000000000001", 18 [pid 10060] <... mmap resumed>) = 0x7f70b113b000 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10062 [pid 10060] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10058] <... mmap resumed>) = 0x7f70b113b000 [pid 10060] <... mprotect resumed>) = 0 [pid 10058] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10061] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10058] <... mprotect resumed>) = 0 [pid 10061] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10060] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10055] <... futex resumed>) = 0 [pid 10060] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10058] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10055] exit_group(0 [pid 10060] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10058] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10055] <... exit_group resumed>) = ? [pid 10058] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10061] <... futex resumed>) = ? ./strace-static-x86_64: Process 10064 attached [pid 10061] +++ exited with 0 +++ [pid 10060] <... clone3 resumed> => {parent_tid=[10063]}, 88) = 10063 [pid 10055] +++ exited with 0 +++ [pid 10060] rt_sigprocmask(SIG_SETMASK, [], [pid 10058] <... clone3 resumed> => {parent_tid=[10064]}, 88) = 10064 [pid 10060] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10058] rt_sigprocmask(SIG_SETMASK, [], [pid 10060] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10058] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10055, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10060] <... futex resumed>) = 0 [pid 10058] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10060] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10058] <... futex resumed>) = 0 ./strace-static-x86_64: Process 10062 attached [pid 10058] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10062] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10064] set_robust_list(0x7f70b115b9a0, 24 [pid 10062] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10062] setpgid(0, 0) = 0 [pid 10064] <... set_robust_list resumed>) = 0 [pid 10062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 555] <... restart_syscall resumed>) = 0 [pid 10064] rt_sigprocmask(SIG_SETMASK, [], [pid 10062] write(3, "1000", 4executing program [pid 10064] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10062] <... write resumed>) = 4 [pid 10062] close(3) = 0 [pid 10062] write(1, "executing program\n", 18) = 18 [pid 10062] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10062] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10062] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10065 [pid 10062] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10062] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10062] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10062] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10066]}, 88) = 10066 [pid 10064] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10062] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10062] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10062] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10063 attached [pid 10063] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10063] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10063] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10063] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10060] <... futex resumed>) = 0 [pid 10063] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10060] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10063] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10060] <... futex resumed>) = 0 [pid 10063] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10060] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10063] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10063] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10060] <... futex resumed>) = 0 [pid 10063] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10060] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10063] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10060] <... futex resumed>) = 0 [pid 10063] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10060] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10063] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10060] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10064] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10060] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10063] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10064] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10060] <... futex resumed>) = 0 [pid 10063] write(-1, "0x0000000000000001", 18 [pid 10060] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10064] <... futex resumed>) = 1 [pid 10058] <... futex resumed>) = 0 [pid 10064] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10063] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10058] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10063] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10058] <... futex resumed>) = 0 [pid 10064] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10058] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10064] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10063] <... futex resumed>) = 1 [pid 10060] <... futex resumed>) = 0 [pid 10063] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10060] exit_group(0 [pid 10064] <... futex resumed>) = 1 [pid 10058] <... futex resumed>) = 0 [pid 10060] <... exit_group resumed>) = ? [pid 10064] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10058] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10063] <... futex resumed>) = ? [pid 10058] <... futex resumed>) = 0 [pid 10064] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10058] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10064] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10063] +++ exited with 0 +++ [pid 10060] +++ exited with 0 +++ ./strace-static-x86_64: Process 10065 attached [pid 10064] <... futex resumed>) = 1 [pid 10058] <... futex resumed>) = 0 [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10060, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10058] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10065] set_robust_list(0x55556dd196a0, 24 [pid 10058] <... futex resumed>) = 0 [pid 10064] write(-1, "0x0000000000000001", 18 [pid 10058] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10065] <... set_robust_list resumed>) = 0 [pid 10064] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10065] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10064] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10065] <... prctl resumed>) = 0 [pid 10064] <... futex resumed>) = 1 [pid 10058] <... futex resumed>) = 0 [pid 10065] setpgid(0, 0 [pid 10064] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10058] exit_group(0) = ? [pid 10064] <... futex resumed>) = ? [pid 10065] <... setpgid resumed>) = 0 [pid 10065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 10066 attached [pid 10066] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10066] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10065] <... openat resumed>) = 3 [pid 10064] +++ exited with 0 +++ [pid 10058] +++ exited with 0 +++ [pid 10066] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10058, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10066] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10066] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10062] <... futex resumed>) = 0 [pid 10062] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10062] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 552] <... restart_syscall resumed>) = 0 [pid 10066] <... futex resumed>) = 1 [pid 10066] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10065] write(3, "1000", 4) = 4 [pid 10066] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10065] close(3 [pid 10066] <... futex resumed>) = 1 [pid 10065] <... close resumed>) = 0 [pid 10062] <... futex resumed>) = 0 executing program [pid 10066] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10065] write(1, "executing program\n", 18 [pid 10062] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] <... restart_syscall resumed>) = 0 [pid 10066] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10065] <... write resumed>) = 18 [pid 10062] <... futex resumed>) = 0 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10067 [pid 10066] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10065] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10062] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10066] <... futex resumed>) = 0 [pid 10065] <... futex resumed>) = 0 [pid 10062] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10066] write(-1, "0x0000000000000001", 18 [pid 10065] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10062] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10066] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10065] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10062] <... futex resumed>) = 0 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10066] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10065] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10062] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10066] <... futex resumed>) = 0 [pid 10065] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10062] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10066] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10065] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10062] exit_group(0 [pid 10066] <... futex resumed>) = ? [pid 10065] <... mmap resumed>) = 0x7f70b113b000 [pid 10062] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 10068 attached ./strace-static-x86_64: Process 10067 attached [pid 10066] +++ exited with 0 +++ [pid 10065] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10062] +++ exited with 0 +++ [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10068 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10062, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10065] <... mprotect resumed>) = 0 [pid 10068] set_robust_list(0x55556dd196a0, 24 [pid 10067] set_robust_list(0x55556dd196a0, 24 [pid 10065] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10065] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10069]}, 88) = 10069 [pid 10065] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10065] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10065] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10069 attached [pid 10069] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10069] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10069] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10069] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10065] <... futex resumed>) = 0 [pid 10065] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10065] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10069] <... futex resumed>) = 1 [pid 10069] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10069] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10065] <... futex resumed>) = 0 [pid 10065] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10065] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10069] <... futex resumed>) = 1 [pid 10069] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10069] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10065] <... futex resumed>) = 0 [pid 10065] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10065] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10069] <... futex resumed>) = 1 [pid 10069] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10069] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10065] <... futex resumed>) = 0 [pid 10065] exit_group(0) = ? [pid 10069] <... futex resumed>) = ? [pid 10068] <... set_robust_list resumed>) = 0 [pid 10067] <... set_robust_list resumed>) = 0 [pid 10068] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10067] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10069] +++ exited with 0 +++ [pid 10065] +++ exited with 0 +++ [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10065, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 10068] <... prctl resumed>) = 0 [pid 10067] <... prctl resumed>) = 0 [pid 10068] setpgid(0, 0 [pid 10067] setpgid(0, 0 [pid 10068] <... setpgid resumed>) = 0 [pid 10067] <... setpgid resumed>) = 0 [pid 10068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10068] <... openat resumed>) = 3 [pid 10067] <... openat resumed>) = 3 [pid 10068] write(3, "1000", 4 [pid 10067] write(3, "1000", 4 [pid 10068] <... write resumed>) = 4 [pid 10068] close(3 [pid 10067] <... write resumed>) = 4 [pid 553] <... restart_syscall resumed>) = 0 [pid 10068] <... close resumed>) = 0 [pid 10067] close(3 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 10068] write(1, "executing program\n", 18 [pid 10067] <... close resumed>) = 0 [pid 10068] <... write resumed>) = 18 executing program [pid 10067] write(1, "executing program\n", 18 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10070 [pid 10068] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10067] <... write resumed>) = 18 [pid 10068] <... futex resumed>) = 0 [pid 10067] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10070 attached [pid 554] <... restart_syscall resumed>) = 0 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10070] set_robust_list(0x55556dd196a0, 24 [pid 10068] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10067] <... futex resumed>) = 0 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10071 [pid 10068] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10067] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, ./strace-static-x86_64: Process 10071 attached [pid 10070] <... set_robust_list resumed>) = 0 [pid 10068] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10067] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10067] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10068] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10070] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10068] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10067] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10071] set_robust_list(0x55556dd196a0, 24 [pid 10070] <... prctl resumed>) = 0 [pid 10071] <... set_robust_list resumed>) = 0 [pid 10068] <... mmap resumed>) = 0x7f70b113b000 [pid 10067] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10068] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10067] <... mmap resumed>) = 0x7f70b113b000 [pid 10070] setpgid(0, 0) = 0 [pid 10068] <... mprotect resumed>) = 0 [pid 10067] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10068] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10067] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10068] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10068] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10067] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10067] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0}./strace-static-x86_64: Process 10072 attached [pid 10072] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10072] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10072] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 555] <... restart_syscall resumed>) = 0 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10068] <... clone3 resumed> => {parent_tid=[10072]}, 88) = 10072 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10074 ./strace-static-x86_64: Process 10073 attached [pid 10073] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10073] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10073] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 10074 attached [pid 10074] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10074] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10074] setpgid(0, 0) = 0 [pid 10074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10068] rt_sigprocmask(SIG_SETMASK, [], [pid 10067] <... clone3 resumed> => {parent_tid=[10073]}, 88) = 10073 [pid 10074] write(3, "1000", 4) = 4 [pid 10070] <... openat resumed>) = 3 [pid 10067] rt_sigprocmask(SIG_SETMASK, [], [pid 10068] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10070] write(3, "1000", 4 [pid 10068] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10067] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10070] <... write resumed>) = 4 [pid 10068] <... futex resumed>) = 1 [pid 10067] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10070] close(3 [pid 10068] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10067] <... futex resumed>) = 1 [pid 10074] close(3 [pid 10073] <... futex resumed>) = 0 [pid 10072] <... futex resumed>) = 0 [pid 10070] <... close resumed>) = 0 [pid 10067] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10072] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10070] write(1, "executing program\n", 18 [pid 10072] <... bpf resumed>, buf="cgroup", 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 10072] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10068] <... futex resumed>) = 0 [pid 10070] <... write resumed>) = 18 [pid 10068] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10072] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10068] <... futex resumed>) = 0 [pid 10070] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10068] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10072] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10070] <... futex resumed>) = 0 [pid 10072] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10068] <... futex resumed>) = 0 [pid 10070] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10068] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10072] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10070] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10068] <... futex resumed>) = 0 [pid 10072] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10070] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10068] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10072] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10070] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10068] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10072] <... futex resumed>) = 0 [pid 10070] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10068] <... futex resumed>) = 0 [pid 10070] <... mmap resumed>) = 0x7f70b113b000 [pid 10068] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10070] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10072] write(-1, "0x0000000000000001", 18 [pid 10070] <... mprotect resumed>) = 0 [pid 10072] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10072] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10072] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10073] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10070] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10068] <... futex resumed>) = 0 [pid 10070] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10068] exit_group(0executing program [pid 10070] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10068] <... exit_group resumed>) = ? [pid 10072] <... futex resumed>) = ? [pid 10072] +++ exited with 0 +++ [pid 10073] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10073] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10073] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10074] <... close resumed>) = 0 [pid 10074] write(1, "executing program\n", 18) = 18 [pid 10074] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10074] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10068] +++ exited with 0 +++ [pid 10067] <... futex resumed>) = 0 [pid 10070] <... clone3 resumed> => {parent_tid=[10075]}, 88) = 10075 [pid 10067] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10070] rt_sigprocmask(SIG_SETMASK, [], [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10068, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10070] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10067] <... futex resumed>) = 1 [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10070] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10067] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10073] <... futex resumed>) = 0 [pid 10070] <... futex resumed>) = 0 [pid 10073] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10070] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10073] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10067] <... futex resumed>) = 0 [pid 10073] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10067] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10067] <... futex resumed>) = 0 [pid 10073] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10067] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10073] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10073] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10067] <... futex resumed>) = 0 [pid 10073] write(-1, "0x0000000000000001", 18 [pid 10067] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10067] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10073] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10073] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10067] <... futex resumed>) = 0 [pid 10073] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10067] exit_group(0 [pid 10074] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10067] <... exit_group resumed>) = ? [pid 10071] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10073] <... futex resumed>) = ? [pid 10073] +++ exited with 0 +++ [pid 10071] <... prctl resumed>) = 0 [pid 10067] +++ exited with 0 +++ [pid 10074] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10067, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10071] setpgid(0, 0 [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10071] <... setpgid resumed>) = 0 [pid 10074] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10074] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 551] <... restart_syscall resumed>) = 0 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 10076 attached [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10076 [pid 10074] <... mmap resumed>) = 0x7f70b113b000 [pid 10074] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10074] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10074] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10071] <... openat resumed>) = 3 [pid 10074] <... clone3 resumed> => {parent_tid=[10077]}, 88) = 10077 [pid 10071] write(3, "1000", 4 [pid 10076] set_robust_list(0x55556dd196a0, 24 [pid 10074] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10074] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10074] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10071] <... write resumed>) = 4 ./strace-static-x86_64: Process 10075 attached [pid 10075] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10075] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10075] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10076] <... set_robust_list resumed>) = 0 [pid 10071] close(3) = 0 [pid 10075] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10070] <... futex resumed>) = 0 [pid 10071] write(1, "executing program\n", 18executing program [pid 10070] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10075] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10070] <... futex resumed>) = 0 [pid 10071] <... write resumed>) = 18 [pid 10075] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10070] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10071] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10075] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10070] <... futex resumed>) = 0 [pid 10071] <... futex resumed>) = 0 [pid 10070] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10075] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10071] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10070] <... futex resumed>) = 0 [pid 10075] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10071] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10070] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10075] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10071] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10075] <... futex resumed>) = 1 [pid 10071] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10070] <... futex resumed>) = 0 [pid 10071] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10075] write(-1, "0x0000000000000001", 18 [pid 10071] <... mmap resumed>) = 0x7f70b113b000 [pid 10070] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10071] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10070] <... futex resumed>) = 0 [pid 10071] <... mprotect resumed>) = 0 [pid 10070] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10075] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10075] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10075] <... futex resumed>) = 0 [pid 10070] exit_group(0) = ? [pid 10075] +++ exited with 0 +++ ./strace-static-x86_64: Process 10077 attached [pid 10077] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10077] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10077] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10077] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10074] <... futex resumed>) = 0 [pid 10070] +++ exited with 0 +++ [pid 10074] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10071] rt_sigprocmask(SIG_BLOCK, ~[], [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10070, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10074] <... futex resumed>) = 0 [pid 10071] <... rt_sigprocmask resumed>[], 8) = 0 [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10074] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10071] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10077] <... futex resumed>) = 1 [pid 10077] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10077] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10074] <... futex resumed>) = 0 [pid 10071] <... clone3 resumed> => {parent_tid=[10078]}, 88) = 10078 [pid 10074] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10071] rt_sigprocmask(SIG_SETMASK, [], [pid 10074] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10071] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10077] <... futex resumed>) = 1 [pid 10076] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10071] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10077] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10076] <... prctl resumed>) = 0 [pid 10071] <... futex resumed>) = 0 [pid 10077] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10076] setpgid(0, 0 [pid 10071] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10077] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10076] <... setpgid resumed>) = 0 [pid 10074] <... futex resumed>) = 0 [pid 10074] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10074] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10077] <... futex resumed>) = 1 [pid 10077] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10077] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10074] <... futex resumed>) = 0 [pid 10074] exit_group(0) = ? [pid 10077] <... futex resumed>) = ? [pid 10077] +++ exited with 0 +++ [pid 10076] <... openat resumed>) = 3 [pid 10074] +++ exited with 0 +++ ./strace-static-x86_64: Process 10078 attached [pid 10076] write(3, "1000", 4 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10074, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10076] <... write resumed>) = 4 [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 553] <... restart_syscall resumed>) = 0 [pid 10076] close(3 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10076] <... close resumed>) = 0 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10079 [pid 10078] set_robust_list(0x7f70b115b9a0, 24./strace-static-x86_64: Process 10079 attached [pid 10076] write(1, "executing program\n", 18 [pid 10078] <... set_robust_list resumed>) = 0 [pid 10078] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10078] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", 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 10078] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10071] <... futex resumed>) = 0 [pid 552] <... restart_syscall resumed>) = 0 [pid 10071] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10071] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10076] <... write resumed>) = 18 [pid 10078] <... futex resumed>) = 1 [pid 10078] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10076] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10078] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10078] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10071] <... futex resumed>) = 0 [pid 10071] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10071] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10078] <... futex resumed>) = 1 [pid 10078] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10076] <... futex resumed>) = 0 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10080 [pid 10076] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10078] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10076] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 10080 attached [pid 10079] set_robust_list(0x55556dd196a0, 24 [pid 555] <... restart_syscall resumed>) = 0 [pid 10076] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10080] set_robust_list(0x55556dd196a0, 24 [pid 10079] <... set_robust_list resumed>) = 0 [pid 10078] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10076] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10076] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10071] <... futex resumed>) = 0 [pid 10071] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10071] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10078] <... futex resumed>) = 1 [pid 10078] write(-1, "0x0000000000000001", 18 [pid 10076] <... mmap resumed>) = 0x7f70b113b000 [pid 10076] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10081 [pid 10076] <... mprotect resumed>) = 0 [pid 10078] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10078] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10076] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10071] <... futex resumed>) = 0 [pid 10076] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10071] exit_group(0 [pid 10076] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10071] <... exit_group resumed>) = ? [pid 10078] <... futex resumed>) = ? ./strace-static-x86_64: Process 10082 attached ./strace-static-x86_64: Process 10081 attached [pid 10080] <... set_robust_list resumed>) = 0 [pid 10079] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10078] +++ exited with 0 +++ [pid 10076] <... clone3 resumed> => {parent_tid=[10082]}, 88) = 10082 [pid 10071] +++ exited with 0 +++ [pid 10076] rt_sigprocmask(SIG_SETMASK, [], [pid 10081] set_robust_list(0x55556dd196a0, 24 [pid 10080] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10076] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10082] set_robust_list(0x7f70b115b9a0, 24 [pid 10081] <... set_robust_list resumed>) = 0 [pid 10080] <... prctl resumed>) = 0 [pid 10079] <... prctl resumed>) = 0 [pid 10076] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10081] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10080] setpgid(0, 0 [pid 10076] <... futex resumed>) = 0 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10071, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10082] <... set_robust_list resumed>) = 0 [pid 10081] <... prctl resumed>) = 0 [pid 10080] <... setpgid resumed>) = 0 [pid 10079] setpgid(0, 0 [pid 10076] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10082] rt_sigprocmask(SIG_SETMASK, [], [pid 10081] setpgid(0, 0 [pid 10079] <... setpgid resumed>) = 0 [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10081] <... setpgid resumed>) = 0 [pid 10079] write(3, "1000", 4) = 4 [pid 10079] close(3) = 0 [pid 10079] write(1, "executing program\n", 18executing program ) = 18 [pid 10079] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10079] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10079] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10079] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10079] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10079] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10079] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10079] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10083]}, 88) = 10083 [pid 10079] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10080] <... openat resumed>) = 3 [pid 10079] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10079] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10082] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10082] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10081] <... openat resumed>) = 3 [pid 10082] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10082] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10076] <... futex resumed>) = 0 [pid 10082] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10076] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10082] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10076] <... futex resumed>) = 0 [pid 10082] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10082] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10076] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10083 attached [pid 10081] write(3, "1000", 4 [pid 10076] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10083] set_robust_list(0x7f70b115b9a0, 24 [pid 10076] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10081] <... write resumed>) = 4 [pid 10080] write(3, "1000", 4 [pid 10076] <... futex resumed>) = 1 [pid 10081] close(3 [pid 10080] <... write resumed>) = 4 [pid 10076] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10081] <... close resumed>) = 0 [pid 10080] close(3 [pid 10082] <... futex resumed>) = 0 [pid 10082] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10082] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10076] <... futex resumed>) = 0 [pid 10081] write(1, "executing program\n", 18executing program executing program [pid 10080] <... close resumed>) = 0 [pid 10076] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10082] write(-1, "0x0000000000000001", 18 [pid 10081] <... write resumed>) = 18 [pid 10080] write(1, "executing program\n", 18 [pid 10076] <... futex resumed>) = 0 [pid 10082] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10076] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10081] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10083] <... set_robust_list resumed>) = 0 [pid 10082] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10080] <... write resumed>) = 18 [pid 554] <... restart_syscall resumed>) = 0 [pid 10082] <... futex resumed>) = 1 [pid 10081] <... futex resumed>) = 0 [pid 10076] <... futex resumed>) = 0 [pid 10080] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10082] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10081] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10076] exit_group(0 [pid 10082] <... futex resumed>) = ? [pid 10081] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10080] <... futex resumed>) = 0 [pid 10076] <... exit_group resumed>) = ? [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10083] rt_sigprocmask(SIG_SETMASK, [], [pid 10081] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10080] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10081] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10084 [pid 10081] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 10084 attached [pid 10082] +++ exited with 0 +++ [pid 10076] +++ exited with 0 +++ [pid 10081] <... mmap resumed>) = 0x7f70b113b000 [pid 10080] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10081] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10080] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10076, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10081] <... mprotect resumed>) = 0 [pid 10080] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10084] set_robust_list(0x55556dd196a0, 24 [pid 10083] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10080] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10084] <... set_robust_list resumed>) = 0 [pid 10081] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10080] <... mmap resumed>) = 0x7f70b113b000 [pid 10083] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10081] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10080] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10084] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10081] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10084] <... prctl resumed>) = 0 [pid 10083] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10080] <... mprotect resumed>) = 0 [pid 10081] <... clone3 resumed> => {parent_tid=[10085]}, 88) = 10085 [pid 10080] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10081] rt_sigprocmask(SIG_SETMASK, [], [pid 10080] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10081] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10080] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10081] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10081] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10080] <... clone3 resumed> => {parent_tid=[10086]}, 88) = 10086 ./strace-static-x86_64: Process 10086 attached [pid 10080] rt_sigprocmask(SIG_SETMASK, [], [pid 10086] set_robust_list(0x7f70b115b9a0, 24 [pid 10080] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10086] <... set_robust_list resumed>) = 0 [pid 10086] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10086] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10080] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10084] setpgid(0, 0 [pid 10083] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10080] <... futex resumed>) = 0 [pid 10086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10080] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10084] <... setpgid resumed>) = 0 [pid 10083] <... futex resumed>) = 1 [pid 10079] <... futex resumed>) = 0 [pid 10079] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10079] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10086] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10086] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10080] <... futex resumed>) = 0 [pid 10083] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10080] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10086] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10080] <... futex resumed>) = 0 [pid 10083] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10080] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10086] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10083] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10086] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10080] <... futex resumed>) = 0 [pid 10084] <... openat resumed>) = 3 [pid 10083] <... futex resumed>) = 1 [pid 10080] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10079] <... futex resumed>) = 0 [pid 10080] <... futex resumed>) = 0 [pid 10079] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10084] write(3, "1000", 4 [pid 10083] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10080] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10079] <... futex resumed>) = 0 [pid 10079] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10084] <... write resumed>) = 4 [pid 10083] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10086] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10086] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10080] <... futex resumed>) = 0 [pid 10083] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10084] close(3 [pid 10080] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10083] <... futex resumed>) = 1 [pid 10080] <... futex resumed>) = 0 [pid 10079] <... futex resumed>) = 0 [pid 10084] <... close resumed>) = 0 [pid 10083] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10080] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10079] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10079] <... futex resumed>) = 0 [pid 10084] write(1, "executing program\n", 18 [pid 10079] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10086] write(-1, "0x0000000000000001", 18executing program ) = -1 EBADF (Bad file descriptor) [pid 10086] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10080] <... futex resumed>) = 0 [pid 10086] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10080] exit_group(0 [pid 10084] <... write resumed>) = 18 [pid 10083] write(-1, "0x0000000000000001", 18 [pid 10080] <... exit_group resumed>) = ? [pid 10086] <... futex resumed>) = ? ./strace-static-x86_64: Process 10085 attached [pid 10084] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10083] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10086] +++ exited with 0 +++ [pid 10084] <... futex resumed>) = 0 [pid 10083] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10085] set_robust_list(0x7f70b115b9a0, 24 [pid 10080] +++ exited with 0 +++ [pid 10084] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10083] <... futex resumed>) = 1 [pid 10079] <... futex resumed>) = 0 [pid 10084] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10083] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10079] exit_group(0 [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10080, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10084] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10083] <... futex resumed>) = ? [pid 10079] <... exit_group resumed>) = ? [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10084] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10083] +++ exited with 0 +++ [pid 10084] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10084] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10084] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10079] +++ exited with 0 +++ [pid 10084] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10084] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10079, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10085] <... set_robust_list resumed>) = 0 [pid 10084] <... clone3 resumed> => {parent_tid=[10087]}, 88) = 10087 [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10084] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10084] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10084] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10087 attached [pid 10085] rt_sigprocmask(SIG_SETMASK, [], [pid 10087] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10087] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10085] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10087] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10085] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10087] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10085] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10087] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10084] <... futex resumed>) = 0 [pid 10087] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10084] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10084] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10087] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10087] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10084] <... futex resumed>) = 0 [pid 10087] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10084] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10084] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10087] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10087] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 553] <... restart_syscall resumed>) = 0 [pid 552] <... restart_syscall resumed>) = 0 [pid 551] <... restart_syscall resumed>) = 0 [pid 10087] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10085] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10087] <... futex resumed>) = 1 [pid 10085] <... futex resumed>) = 1 [pid 10084] <... futex resumed>) = 0 [pid 10084] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10081] <... futex resumed>) = 0 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10089 attached ./strace-static-x86_64: Process 10088 attached [pid 10084] <... futex resumed>) = 0 [pid 10081] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10088 [pid 10089] set_robust_list(0x55556dd196a0, 24 [pid 10088] set_robust_list(0x55556dd196a0, 24 [pid 10084] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10081] <... futex resumed>) = 0 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10089 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10090 ./strace-static-x86_64: Process 10090 attached [pid 10089] <... set_robust_list resumed>) = 0 [pid 10088] <... set_robust_list resumed>) = 0 [pid 10081] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10085] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10089] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10088] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10089] <... prctl resumed>) = 0 [pid 10085] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10085] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10081] <... futex resumed>) = 0 [pid 10081] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10081] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10090] set_robust_list(0x55556dd196a0, 24 [pid 10089] setpgid(0, 0 [pid 10088] <... prctl resumed>) = 0 [pid 10087] write(-1, "0x0000000000000001", 18 [pid 10085] <... futex resumed>) = 1 [pid 10085] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10085] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10081] <... futex resumed>) = 0 [pid 10081] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10081] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10085] <... futex resumed>) = 1 [pid 10089] <... setpgid resumed>) = 0 [pid 10085] write(-1, "0x0000000000000001", 18 [pid 10088] setpgid(0, 0 [pid 10085] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10088] <... setpgid resumed>) = 0 [pid 10085] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10081] <... futex resumed>) = 0 [pid 10089] <... openat resumed>) = 3 [pid 10081] exit_group(0) = ? [pid 10089] write(3, "1000", 4 [pid 10088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10089] <... write resumed>) = 4 [pid 10085] <... futex resumed>) = ? executing program [pid 10090] <... set_robust_list resumed>) = 0 [pid 10089] close(3 [pid 10088] <... openat resumed>) = 3 [pid 10087] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10089] <... close resumed>) = 0 [pid 10089] write(1, "executing program\n", 18 [pid 10088] write(3, "1000", 4 [pid 10089] <... write resumed>) = 18 [pid 10089] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10088] <... write resumed>) = 4 [pid 10089] <... futex resumed>) = 0 [pid 10089] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10088] close(3 [pid 10085] +++ exited with 0 +++ [pid 10081] +++ exited with 0 +++ [pid 10090] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10089] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10087] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10090] <... prctl resumed>) = 0 [pid 10089] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10088] <... close resumed>) = 0 [pid 10089] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10081, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10089] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0executing program [pid 10088] write(1, "executing program\n", 18 [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 10089] <... mmap resumed>) = 0x7f70b113b000 [pid 10089] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10088] <... write resumed>) = 18 [pid 10089] <... mprotect resumed>) = 0 [pid 10089] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10088] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10090] setpgid(0, 0 [pid 10089] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10089] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10088] <... futex resumed>) = 0 ./strace-static-x86_64: Process 10091 attached [pid 10090] <... setpgid resumed>) = 0 [pid 10088] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10087] <... futex resumed>) = 1 [pid 10084] <... futex resumed>) = 0 [pid 10089] <... clone3 resumed> => {parent_tid=[10091]}, 88) = 10091 [pid 10088] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10089] rt_sigprocmask(SIG_SETMASK, [], [pid 10088] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10084] exit_group(0 [pid 10090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10089] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10088] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10084] <... exit_group resumed>) = ? [pid 10089] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10088] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10089] <... futex resumed>) = 0 [pid 10088] <... mmap resumed>) = 0x7f70b113b000 [pid 10089] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10088] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10090] <... openat resumed>) = 3 [pid 10088] <... mprotect resumed>) = 0 [pid 10088] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10088] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10092]}, 88) = 10092 [pid 10088] rt_sigprocmask(SIG_SETMASK, [], [pid 10087] +++ exited with 0 +++ [pid 10084] +++ exited with 0 +++ [pid 10090] write(3, "1000", 4 [pid 10088] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10084, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10088] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10088] <... futex resumed>) = 0 [pid 10088] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10092 attached [pid 10092] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10092] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10092] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10091] set_robust_list(0x7f70b115b9a0, 24 [pid 10090] <... write resumed>) = 4 [pid 10092] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10092] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10088] <... futex resumed>) = 0 [pid 10088] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10088] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10092] <... futex resumed>) = 1 [pid 10092] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10092] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10088] <... futex resumed>) = 0 [pid 10088] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10088] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10092] <... futex resumed>) = 1 [pid 10092] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10092] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10088] <... futex resumed>) = 0 [pid 10088] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10088] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10092] <... futex resumed>) = 1 [pid 10092] write(-1, "0x0000000000000001", 18 [pid 10091] <... set_robust_list resumed>) = 0 [pid 10090] close(3 [pid 10092] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10092] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10088] <... futex resumed>) = 0 [pid 10088] exit_group(0) = ? [pid 555] <... restart_syscall resumed>) = 0 [pid 10090] <... close resumed>) = 0 executing program [pid 10090] write(1, "executing program\n", 18 [pid 10092] <... futex resumed>) = ? [pid 10090] <... write resumed>) = 18 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10090] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10093 [pid 10090] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10090] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10090] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10090] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10092] +++ exited with 0 +++ [pid 10090] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10088] +++ exited with 0 +++ [pid 10090] <... rt_sigprocmask resumed>[], 8) = 0 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10088, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10090] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10091] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10090] <... clone3 resumed> => {parent_tid=[10094]}, 88) = 10094 [pid 10091] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10090] rt_sigprocmask(SIG_SETMASK, [], [pid 554] <... restart_syscall resumed>) = 0 [pid 553] <... restart_syscall resumed>) = 0 [pid 10090] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 10093 attached [pid 10090] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10095 attached ./strace-static-x86_64: Process 10094 attached ./strace-static-x86_64: Process 10096 attached [pid 10093] set_robust_list(0x55556dd196a0, 24 [pid 10091] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10090] <... futex resumed>) = 0 [pid 10095] set_robust_list(0x55556dd196a0, 24 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10095 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10096 [pid 10095] <... set_robust_list resumed>) = 0 [pid 10095] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10094] set_robust_list(0x7f70b115b9a0, 24 [pid 10093] <... set_robust_list resumed>) = 0 [pid 10091] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10090] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10096] set_robust_list(0x55556dd196a0, 24 [pid 10095] <... prctl resumed>) = 0 [pid 10095] setpgid(0, 0) = 0 [pid 10095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10095] write(3, "1000", 4) = 4 [pid 10095] close(3 [pid 10093] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10095] <... close resumed>) = 0 [pid 10095] write(1, "executing program\n", 18executing program ) = 18 [pid 10095] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10095] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10095] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10095] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10095] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10095] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10093] <... prctl resumed>) = 0 [pid 10096] <... set_robust_list resumed>) = 0 [pid 10095] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10094] <... set_robust_list resumed>) = 0 [pid 10091] <... futex resumed>) = 1 [pid 10089] <... futex resumed>) = 0 [pid 10095] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10089] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10095] <... clone3 resumed> => {parent_tid=[10097]}, 88) = 10097 [pid 10089] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10095] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10095] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10095] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10097 attached [pid 10097] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10097] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10097] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10097] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10095] <... futex resumed>) = 0 [pid 10095] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10095] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10097] <... futex resumed>) = 1 [pid 10097] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10097] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10095] <... futex resumed>) = 0 [pid 10095] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10095] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10097] <... futex resumed>) = 1 [pid 10097] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10097] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10095] <... futex resumed>) = 0 [pid 10095] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10095] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10097] <... futex resumed>) = 1 [pid 10097] write(-1, "0x0000000000000001", 18 [pid 10093] setpgid(0, 0 [pid 10097] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10097] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10095] <... futex resumed>) = 0 [pid 10095] exit_group(0) = ? [pid 10097] <... futex resumed>) = ? [pid 10094] rt_sigprocmask(SIG_SETMASK, [], [pid 10093] <... setpgid resumed>) = 0 [pid 10091] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10094] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10093] write(3, "1000", 4 [pid 10097] +++ exited with 0 +++ [pid 10095] +++ exited with 0 +++ [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10095, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10096] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10096] setpgid(0, 0 [pid 10093] <... write resumed>) = 4 [pid 10096] <... setpgid resumed>) = 0 [pid 10096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10093] close(3 [pid 10096] write(3, "1000", 4) = 4 [pid 10093] <... close resumed>) = 0 [pid 10096] close(3) = 0 executing program [pid 10096] write(1, "executing program\n", 18) = 18 [pid 10096] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10096] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10096] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10096] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10096] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10093] write(1, "executing program\n", 18executing program ) = 18 [pid 10093] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10093] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10093] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10096] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10093] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10096] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10093] <... mmap resumed>) = 0x7f70b113b000 [pid 10096] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10093] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10094] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10093] <... mprotect resumed>) = 0 [pid 10096] <... clone3 resumed> => {parent_tid=[10098]}, 88) = 10098 [pid 10096] rt_sigprocmask(SIG_SETMASK, [], [pid 10093] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10094] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10093] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10096] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10093] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10094] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10091] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10096] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10090] <... futex resumed>) = 0 [pid 10094] <... futex resumed>) = 1 [pid 10093] <... clone3 resumed> => {parent_tid=[10099]}, 88) = 10099 [pid 10091] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10090] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10094] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10093] rt_sigprocmask(SIG_SETMASK, [], [pid 10091] <... futex resumed>) = 1 [pid 10090] <... futex resumed>) = 0 [pid 10089] <... futex resumed>) = 0 [pid 10094] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10093] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10091] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10090] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10089] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10094] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10093] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10091] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10089] <... futex resumed>) = 0 [pid 10089] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10096] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10093] <... futex resumed>) = 0 [pid 10094] <... futex resumed>) = 0 [pid 10090] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10091] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10094] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10093] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10090] <... futex resumed>) = 0 [pid 10090] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10094] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10091] <... futex resumed>) = 1 [pid 10089] <... futex resumed>) = 0 [pid 10089] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10089] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 554] <... restart_syscall resumed>) = 0 [pid 10094] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10091] write(-1, "0x0000000000000001", 18 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10094] <... futex resumed>) = 1 [pid 10091] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10090] <... futex resumed>) = 0 [pid 10090] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10100 [pid 10094] write(-1, "0x0000000000000001", 18 [pid 10091] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10090] <... futex resumed>) = 0 [pid 10094] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10091] <... futex resumed>) = 1 [pid 10090] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10089] <... futex resumed>) = 0 [pid 10094] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10091] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10089] exit_group(0) = ? ./strace-static-x86_64: Process 10099 attached [pid 10099] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10099] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10099] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10099] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10093] <... futex resumed>) = 0 [pid 10093] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10093] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10099] <... futex resumed>) = 1 [pid 10099] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10099] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10093] <... futex resumed>) = 0 [pid 10093] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10093] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10099] <... futex resumed>) = 1 [pid 10099] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10094] <... futex resumed>) = 1 [pid 10090] <... futex resumed>) = 0 [pid 10094] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10091] <... futex resumed>) = ? [pid 10090] exit_group(0 [pid 10099] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10093] <... futex resumed>) = 0 [pid 10093] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10090] <... exit_group resumed>) = ? [pid 10094] <... futex resumed>) = -1 (errno 18446744073709551414) [pid 10093] <... futex resumed>) = 0 [pid 10093] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10099] <... futex resumed>) = 1 [pid 10099] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10099] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10093] <... futex resumed>) = 0 [pid 10093] exit_group(0) = ? [pid 10099] <... futex resumed>) = ? [pid 10094] +++ exited with 0 +++ [pid 10090] +++ exited with 0 +++ [pid 10099] +++ exited with 0 +++ [pid 10093] +++ exited with 0 +++ [pid 10091] +++ exited with 0 +++ [pid 10089] +++ exited with 0 +++ [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10093, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10089, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10090, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 552] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 10098 attached [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10098] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10098] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10098] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10098] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10096] <... futex resumed>) = 0 [pid 10096] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10096] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10098] <... futex resumed>) = 1 [pid 10098] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10098] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10096] <... futex resumed>) = 0 [pid 10096] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10096] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10098] <... futex resumed>) = 1 [pid 10098] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10098] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10096] <... futex resumed>) = 0 [pid 10096] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10096] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10098] <... futex resumed>) = 1 [pid 10098] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10098] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10096] <... futex resumed>) = 0 [pid 10096] exit_group(0) = ? ./strace-static-x86_64: Process 10100 attached [pid 10098] <... futex resumed>) = ? [pid 10100] set_robust_list(0x55556dd196a0, 24 [pid 10098] +++ exited with 0 +++ [pid 10096] +++ exited with 0 +++ [pid 555] <... restart_syscall resumed>) = 0 [pid 552] <... restart_syscall resumed>) = 0 [pid 10100] <... set_robust_list resumed>) = 0 [pid 10100] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10096, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10100] <... prctl resumed>) = 0 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10100] setpgid(0, 0 [pid 553] <... restart_syscall resumed>) = 0 [pid 551] <... restart_syscall resumed>) = 0 [pid 10100] <... setpgid resumed>) = 0 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10101 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10102 [pid 10100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10100] write(3, "1000", 4) = 4 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10103 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10104 [pid 10100] close(3executing program ) = 0 [pid 10100] write(1, "executing program\n", 18) = 18 [pid 10100] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10100] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10100] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10100] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10100] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 10101 attached [pid 10100] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10100] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10105]}, 88) = 10105 [pid 10100] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10100] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10100] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10104 attached [pid 10104] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10104] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10104] setpgid(0, 0) = 0 [pid 10104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10104] write(3, "1000", 4) = 4 [pid 10104] close(3) = 0 executing program [pid 10104] write(1, "executing program\n", 18) = 18 [pid 10104] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10104] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10104] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10104] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10104] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10104] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10101] set_robust_list(0x55556dd196a0, 24./strace-static-x86_64: Process 10103 attached ) = 0 ./strace-static-x86_64: Process 10102 attached ./strace-static-x86_64: Process 10105 attached [pid 10103] set_robust_list(0x55556dd196a0, 24 [pid 10102] set_robust_list(0x55556dd196a0, 24 [pid 10101] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10105] set_robust_list(0x7f70b115b9a0, 24 [pid 10103] <... set_robust_list resumed>) = 0 [pid 10102] <... set_robust_list resumed>) = 0 [pid 10105] <... set_robust_list resumed>) = 0 [pid 10101] <... prctl resumed>) = 0 [pid 10104] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10103] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10104] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10102] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10105] rt_sigprocmask(SIG_SETMASK, [], [pid 10103] <... prctl resumed>) = 0 [pid 10101] setpgid(0, 0 [pid 10105] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10102] <... prctl resumed>) = 0 [pid 10103] setpgid(0, 0 [pid 10101] <... setpgid resumed>) = 0 [pid 10103] <... setpgid resumed>) = 0 [pid 10102] setpgid(0, 0 [pid 10105] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10102] <... setpgid resumed>) = 0 [pid 10101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10105] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10104] <... clone3 resumed> => {parent_tid=[10106]}, 88) = 10106 [pid 10103] <... openat resumed>) = 3 [pid 10102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10105] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10104] rt_sigprocmask(SIG_SETMASK, [], [pid 10103] write(3, "1000", 4 [pid 10102] <... openat resumed>) = 3 [pid 10101] <... openat resumed>) = 3 [pid 10105] <... futex resumed>) = 1 [pid 10104] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10103] <... write resumed>) = 4 [pid 10102] write(3, "1000", 4 [pid 10101] write(3, "1000", 4 [pid 10100] <... futex resumed>) = 0 [pid 10105] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10104] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10103] close(3 [pid 10102] <... write resumed>) = 4 [pid 10101] <... write resumed>) = 4 [pid 10100] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10105] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10104] <... futex resumed>) = 0 [pid 10103] <... close resumed>) = 0 [pid 10102] close(3 [pid 10101] close(3 [pid 10100] <... futex resumed>) = 0 executing program [pid 10105] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10104] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10103] write(1, "executing program\n", 18 [pid 10102] <... close resumed>) = 0 [pid 10101] <... close resumed>) = 0 [pid 10100] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program executing program [pid 10105] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10103] <... write resumed>) = 18 [pid 10102] write(1, "executing program\n", 18 [pid 10101] write(1, "executing program\n", 18 [pid 10105] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10103] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10102] <... write resumed>) = 18 [pid 10101] <... write resumed>) = 18 [pid 10105] <... futex resumed>) = 1 [pid 10103] <... futex resumed>) = 0 [pid 10100] <... futex resumed>) = 0 [pid 10105] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10103] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10102] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10101] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10100] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10105] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10103] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10102] <... futex resumed>) = 0 [pid 10101] <... futex resumed>) = 0 [pid 10100] <... futex resumed>) = 0 [pid 10105] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10103] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10102] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10101] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10100] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10105] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10103] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10102] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10101] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10105] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10103] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10102] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10101] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10105] <... futex resumed>) = 1 [pid 10103] <... mmap resumed>) = 0x7f70b113b000 [pid 10102] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10100] <... futex resumed>) = 0 ./strace-static-x86_64: Process 10106 attached [pid 10105] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10103] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10102] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10101] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10100] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10106] set_robust_list(0x7f70b115b9a0, 24 [pid 10105] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10103] <... mprotect resumed>) = 0 [pid 10102] <... mmap resumed>) = 0x7f70b113b000 [pid 10101] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10100] <... futex resumed>) = 0 [pid 10106] <... set_robust_list resumed>) = 0 [pid 10105] write(-1, "0x0000000000000001", 18 [pid 10103] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10100] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10106] rt_sigprocmask(SIG_SETMASK, [], [pid 10105] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10103] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10102] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10101] <... mmap resumed>) = 0x7f70b113b000 [pid 10105] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10103] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10102] <... mprotect resumed>) = 0 [pid 10101] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10106] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10105] <... futex resumed>) = 1 [pid 10100] <... futex resumed>) = 0 [pid 10106] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10105] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10102] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10101] <... mprotect resumed>) = 0 [pid 10100] exit_group(0 [pid 10106] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10105] <... futex resumed>) = ? [pid 10103] <... clone3 resumed> => {parent_tid=[10107]}, 88) = 10107 [pid 10102] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10101] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10100] <... exit_group resumed>) = ? [pid 10106] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10105] +++ exited with 0 +++ [pid 10103] rt_sigprocmask(SIG_SETMASK, [], [pid 10102] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10101] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10100] +++ exited with 0 +++ [pid 10106] <... futex resumed>) = 1 [pid 10104] <... futex resumed>) = 0 [pid 10103] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10101] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10106] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10104] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10103] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10102] <... clone3 resumed> => {parent_tid=[10108]}, 88) = 10108 ./strace-static-x86_64: Process 10107 attached [pid 10106] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10104] <... futex resumed>) = 0 [pid 10103] <... futex resumed>) = 0 [pid 10102] rt_sigprocmask(SIG_SETMASK, [], [pid 10107] set_robust_list(0x7f70b115b9a0, 24 [pid 10106] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10104] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10103] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10102] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10101] <... clone3 resumed> => {parent_tid=[10109]}, 88) = 10109 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10100, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10107] <... set_robust_list resumed>) = 0 [pid 10106] <... futex resumed>) = 0 [pid 10104] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10102] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10101] rt_sigprocmask(SIG_SETMASK, [], [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10108 attached [pid 10107] rt_sigprocmask(SIG_SETMASK, [], [pid 10106] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10104] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10102] <... futex resumed>) = 0 [pid 10101] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10108] set_robust_list(0x7f70b115b9a0, 24 [pid 10107] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10106] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10104] <... futex resumed>) = 0 [pid 10102] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10101] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10108] <... set_robust_list resumed>) = 0 [pid 10107] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10106] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10104] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10101] <... futex resumed>) = 0 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10110 [pid 10108] rt_sigprocmask(SIG_SETMASK, [], [pid 10107] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10106] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10101] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10108] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10107] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10106] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10108] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10107] <... futex resumed>) = 1 [pid 10106] <... futex resumed>) = 1 [pid 10104] <... futex resumed>) = 0 [pid 10103] <... futex resumed>) = 0 ./strace-static-x86_64: Process 10110 attached [pid 10108] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10107] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10106] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10104] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10103] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10109 attached [pid 10110] set_robust_list(0x55556dd196a0, 24 [pid 10108] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10107] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10106] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10104] <... futex resumed>) = 0 [pid 10103] <... futex resumed>) = 0 [pid 10110] <... set_robust_list resumed>) = 0 [pid 10109] set_robust_list(0x7f70b115b9a0, 24 [pid 10108] <... futex resumed>) = 1 [pid 10107] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10106] write(-1, "0x0000000000000001", 18 [pid 10104] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10103] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10102] <... futex resumed>) = 0 [pid 10110] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10109] <... set_robust_list resumed>) = 0 [pid 10108] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10107] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10106] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10102] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10110] <... prctl resumed>) = 0 [pid 10109] rt_sigprocmask(SIG_SETMASK, [], [pid 10108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10107] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10106] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10102] <... futex resumed>) = 0 [pid 10110] setpgid(0, 0 [pid 10109] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10108] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10107] <... futex resumed>) = 1 [pid 10106] <... futex resumed>) = 1 [pid 10104] <... futex resumed>) = 0 [pid 10103] <... futex resumed>) = 0 [pid 10102] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10110] <... setpgid resumed>) = 0 [pid 10109] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10108] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10107] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10106] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10104] exit_group(0 [pid 10103] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10109] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10108] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10107] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10106] <... futex resumed>) = ? [pid 10104] <... exit_group resumed>) = ? [pid 10103] <... futex resumed>) = 0 [pid 10110] <... openat resumed>) = 3 [pid 10109] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10108] <... futex resumed>) = 1 [pid 10107] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10106] +++ exited with 0 +++ [pid 10104] +++ exited with 0 +++ [pid 10103] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10102] <... futex resumed>) = 0 [pid 10110] write(3, "1000", 4 [pid 10109] <... futex resumed>) = 1 [pid 10108] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10107] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10102] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10101] <... futex resumed>) = 0 [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10104, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10110] <... write resumed>) = 4 [pid 10109] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10107] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10102] <... futex resumed>) = 0 [pid 10101] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10110] close(3 [pid 10109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10108] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10107] <... futex resumed>) = 1 [pid 10103] <... futex resumed>) = 0 [pid 10102] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10101] <... futex resumed>) = 0 [pid 551] <... restart_syscall resumed>) = 0 [pid 10110] <... close resumed>) = 0 [pid 10109] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10108] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10107] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10103] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10101] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 10110] write(1, "executing program\n", 18 [pid 10109] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10108] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10107] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10103] <... futex resumed>) = 0 [pid 10110] <... write resumed>) = 18 [pid 10109] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10108] <... futex resumed>) = 1 [pid 10107] write(-1, "0x0000000000000001", 18 [pid 10103] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10102] <... futex resumed>) = 0 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10110] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10109] <... futex resumed>) = 1 [pid 10108] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10107] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10102] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10101] <... futex resumed>) = 0 [pid 10110] <... futex resumed>) = 0 [pid 10109] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10107] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10102] <... futex resumed>) = 0 [pid 10101] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10111 [pid 10110] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10108] write(-1, "0x0000000000000001", 18 [pid 10107] <... futex resumed>) = 1 [pid 10103] <... futex resumed>) = 0 [pid 10102] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10101] <... futex resumed>) = 0 [pid 10110] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10109] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10108] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10107] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10103] exit_group(0 [pid 10101] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10111 attached [pid 10110] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10109] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10108] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10107] <... futex resumed>) = ? [pid 10103] <... exit_group resumed>) = ? [pid 10111] set_robust_list(0x55556dd196a0, 24 [pid 10110] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10109] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10108] <... futex resumed>) = 1 [pid 10107] +++ exited with 0 +++ [pid 10102] <... futex resumed>) = 0 [pid 10109] <... futex resumed>) = 1 [pid 10101] <... futex resumed>) = 0 [pid 10111] <... set_robust_list resumed>) = 0 [pid 10110] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10109] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10108] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10103] +++ exited with 0 +++ [pid 10102] exit_group(0 [pid 10101] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10110] <... mmap resumed>) = 0x7f70b113b000 [pid 10109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10108] <... futex resumed>) = ? [pid 10102] <... exit_group resumed>) = ? [pid 10101] <... futex resumed>) = 0 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10103, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10110] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10109] write(-1, "0x0000000000000001", 18 [pid 10108] +++ exited with 0 +++ [pid 10101] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10109] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10109] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10101] <... futex resumed>) = 0 [pid 10109] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10101] exit_group(0 [pid 10109] <... futex resumed>) = ? [pid 10102] +++ exited with 0 +++ [pid 10101] <... exit_group resumed>) = ? [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10111] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10110] <... mprotect resumed>) = 0 [pid 10109] +++ exited with 0 +++ [pid 10110] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10101] +++ exited with 0 +++ [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10102, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10110] <... rt_sigprocmask resumed>[], 8) = 0 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10101, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10110] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10112]}, 88) = 10112 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10112 attached [pid 10111] <... prctl resumed>) = 0 [pid 10110] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 10113 attached [pid 10112] set_robust_list(0x7f70b115b9a0, 24 [pid 10111] setpgid(0, 0 [pid 10110] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 552] <... restart_syscall resumed>) = 0 [pid 10113] set_robust_list(0x55556dd196a0, 24 [pid 10111] <... setpgid resumed>) = 0 [pid 10110] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10113 [pid 10113] <... set_robust_list resumed>) = 0 [pid 10111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10110] <... futex resumed>) = 0 [pid 10113] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10110] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10112] <... set_robust_list resumed>) = 0 [pid 10111] <... openat resumed>) = 3 ./strace-static-x86_64: Process 10114 attached [pid 10113] <... prctl resumed>) = 0 [pid 10112] rt_sigprocmask(SIG_SETMASK, [], [pid 10114] set_robust_list(0x55556dd196a0, 24 executing program [pid 10113] setpgid(0, 0 [pid 10111] write(3, "1000", 4 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10114 [pid 10111] <... write resumed>) = 4 [pid 10111] close(3 [pid 10113] <... setpgid resumed>) = 0 [pid 10111] <... close resumed>) = 0 [pid 10111] write(1, "executing program\n", 18) = 18 [pid 10113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10111] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10111] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10113] <... openat resumed>) = 3 [pid 10111] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10113] write(3, "1000", 4 [pid 10111] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10113] <... write resumed>) = 4 [pid 10111] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10113] close(3 [pid 10111] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10113] <... close resumed>) = 0 [pid 10111] <... mmap resumed>) = 0x7f70b113b000 executing program [pid 10113] write(1, "executing program\n", 18 [pid 10111] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10113] <... write resumed>) = 18 [pid 10111] <... mprotect resumed>) = 0 [pid 10113] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10111] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10113] <... futex resumed>) = 0 [pid 10111] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10113] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10111] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10113] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10113] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10112] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10111] <... clone3 resumed> => {parent_tid=[10115]}, 88) = 10115 ./strace-static-x86_64: Process 10115 attached [pid 10114] <... set_robust_list resumed>) = 0 [pid 10111] rt_sigprocmask(SIG_SETMASK, [], [pid 10113] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10112] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10111] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10113] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10112] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10111] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] <... restart_syscall resumed>) = 0 [pid 10113] <... mmap resumed>) = 0x7f70b113b000 [pid 10112] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10111] <... futex resumed>) = 0 [pid 10113] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10112] <... futex resumed>) = 1 [pid 10111] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10110] <... futex resumed>) = 0 [pid 10113] <... mprotect resumed>) = 0 [pid 10112] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10110] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10110] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10113] rt_sigprocmask(SIG_BLOCK, ~[], [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10116 ./strace-static-x86_64: Process 10116 attached [pid 10113] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10112] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10113] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10112] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10113] <... clone3 resumed> => {parent_tid=[10117]}, 88) = 10117 ./strace-static-x86_64: Process 10117 attached [pid 10116] set_robust_list(0x55556dd196a0, 24 [pid 10113] rt_sigprocmask(SIG_SETMASK, [], [pid 10112] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10117] set_robust_list(0x7f70b115b9a0, 24 [pid 10116] <... set_robust_list resumed>) = 0 [pid 10113] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10112] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10117] <... set_robust_list resumed>) = 0 [pid 10113] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10112] <... futex resumed>) = 1 [pid 10110] <... futex resumed>) = 0 [pid 10113] <... futex resumed>) = 0 [pid 10117] rt_sigprocmask(SIG_SETMASK, [], [pid 10116] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10112] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10110] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10113] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10117] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10116] <... prctl resumed>) = 0 [pid 10112] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10110] <... futex resumed>) = 0 [pid 10116] setpgid(0, 0 [pid 10112] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10110] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10117] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10116] <... setpgid resumed>) = 0 [pid 10112] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10117] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10112] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10117] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10112] <... futex resumed>) = 1 [pid 10110] <... futex resumed>) = 0 [pid 10112] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10110] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10115] set_robust_list(0x7f70b115b9a0, 24 [pid 10114] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10112] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10110] <... futex resumed>) = 0 [pid 10115] <... set_robust_list resumed>) = 0 [pid 10112] write(-1, "0x0000000000000001", 18 [pid 10110] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10116] <... openat resumed>) = 3 [pid 10112] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10115] rt_sigprocmask(SIG_SETMASK, [], [pid 10116] write(3, "1000", 4 [pid 10112] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10115] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10112] <... futex resumed>) = 1 [pid 10110] <... futex resumed>) = 0 [pid 10116] <... write resumed>) = 4 [pid 10112] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10116] close(3 [pid 10110] exit_group(0 [pid 10116] <... close resumed>) = 0 [pid 10115] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10112] <... futex resumed>) = ? [pid 10110] <... exit_group resumed>) = ? [pid 10114] <... prctl resumed>) = 0 [pid 10114] setpgid(0, 0) = 0 [pid 10114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10115] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10115] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10111] <... futex resumed>) = 0 [pid 10111] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10111] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10112] +++ exited with 0 +++ [pid 10110] +++ exited with 0 +++ [pid 10116] write(1, "executing program\n", 18executing program [pid 10117] <... futex resumed>) = 1 [pid 10116] <... write resumed>) = 18 [pid 10113] <... futex resumed>) = 0 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10110, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10117] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10116] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10113] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10116] <... futex resumed>) = 0 [pid 10113] <... futex resumed>) = 0 [pid 10116] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10113] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10117] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10116] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10116] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10117] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10115] <... futex resumed>) = 1 [pid 10116] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10117] <... futex resumed>) = 1 [pid 10116] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10115] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10114] <... openat resumed>) = 3 [pid 10113] <... futex resumed>) = 0 [pid 10115] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10114] write(3, "1000", 4 [pid 10113] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10117] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10116] <... mmap resumed>) = 0x7f70b113b000 [pid 10113] <... futex resumed>) = 0 [pid 10116] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10113] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10117] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10116] <... mprotect resumed>) = 0 [pid 10115] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10114] <... write resumed>) = 4 [pid 10115] <... futex resumed>) = 1 [pid 10114] close(3 [pid 10111] <... futex resumed>) = 0 [pid 10117] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10116] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10115] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10114] <... close resumed>) = 0 [pid 10111] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 10117] <... futex resumed>) = 1 [pid 10116] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10115] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10114] write(1, "executing program\n", 18 [pid 10113] <... futex resumed>) = 0 [pid 10111] <... futex resumed>) = 0 [pid 10116] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10115] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10114] <... write resumed>) = 18 [pid 10113] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10111] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10117] write(-1, "0x0000000000000001", 18 [pid 10115] <... futex resumed>) = 0 [pid 10114] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10113] <... futex resumed>) = 0 [pid 10111] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 10118 attached [pid 10117] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10116] <... clone3 resumed> => {parent_tid=[10118]}, 88) = 10118 [pid 10115] write(-1, "0x0000000000000001", 18 [pid 10114] <... futex resumed>) = 0 [pid 10113] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10111] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10117] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10116] rt_sigprocmask(SIG_SETMASK, [], [pid 10115] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10114] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10113] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10111] <... futex resumed>) = 0 [pid 10117] <... futex resumed>) = 0 [pid 10116] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10115] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10114] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10113] exit_group(0 [pid 10111] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10116] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10115] <... futex resumed>) = 0 [pid 10114] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10113] <... exit_group resumed>) = ? [pid 10111] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10117] +++ exited with 0 +++ [pid 10116] <... futex resumed>) = 0 [pid 10115] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10114] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10111] exit_group(0 [pid 10115] <... futex resumed>) = ? [pid 10114] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10111] <... exit_group resumed>) = ? [pid 10118] set_robust_list(0x7f70b115b9a0, 24 [pid 10116] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10115] +++ exited with 0 +++ [pid 10114] <... mmap resumed>) = 0x7f70b113b000 [pid 10113] +++ exited with 0 +++ [pid 10111] +++ exited with 0 +++ [pid 10114] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10113, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10114] <... mprotect resumed>) = 0 [pid 10118] <... set_robust_list resumed>) = 0 [pid 10114] rt_sigprocmask(SIG_BLOCK, ~[], [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10111, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10114] <... rt_sigprocmask resumed>[], 8) = 0 [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10114] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10119]}, 88) = 10119 [pid 10118] rt_sigprocmask(SIG_SETMASK, [], [pid 10114] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10114] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10114] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10119 attached [pid 10119] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10119] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10119] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10118] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10119] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10119] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10114] <... futex resumed>) = 0 [pid 10114] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10114] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10119] <... futex resumed>) = 1 [pid 10119] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10119] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10114] <... futex resumed>) = 0 [pid 10114] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10114] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10118] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 554] <... restart_syscall resumed>) = 0 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10118] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10120 ./strace-static-x86_64: Process 10120 attached [pid 10120] set_robust_list(0x55556dd196a0, 24 [pid 10119] <... futex resumed>) = 1 [pid 10118] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10120] <... set_robust_list resumed>) = 0 [pid 10120] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10116] <... futex resumed>) = 0 [pid 10120] <... prctl resumed>) = 0 [pid 10116] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10120] setpgid(0, 0 [pid 10116] <... futex resumed>) = 0 [pid 10116] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10120] <... setpgid resumed>) = 0 [pid 10120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10119] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 551] <... restart_syscall resumed>) = 0 executing program [pid 10120] <... openat resumed>) = 3 [pid 10118] <... futex resumed>) = 1 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10120] write(3, "1000", 4) = 4 [pid 10120] close(3) = 0 [pid 10120] write(1, "executing program\n", 18) = 18 [pid 10120] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10120] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10120] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10120] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10121 [pid 10120] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10122 [pid 10120] <... mprotect resumed>) = 0 [pid 10120] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10120] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10119] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10118] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10120] <... clone3 resumed> => {parent_tid=[10123]}, 88) = 10123 [pid 10120] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10120] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10120] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10121 attached [pid 10118] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10119] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10121] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10121] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10121] setpgid(0, 0 [pid 10119] <... futex resumed>) = 1 [pid 10118] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10114] <... futex resumed>) = 0 [pid 10114] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10114] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10121] <... setpgid resumed>) = 0 [pid 10116] <... futex resumed>) = 0 [pid 10121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10116] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10119] write(-1, "0x0000000000000001", 18 [pid 10118] <... futex resumed>) = 1 [pid 10116] <... futex resumed>) = 0 [pid 10116] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10118] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10119] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10121] <... openat resumed>) = 3 [pid 10121] write(3, "1000", 4) = 4 [pid 10121] close(3) = 0 executing program [pid 10121] write(1, "executing program\n", 18) = 18 [pid 10121] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10121] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10121] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10121] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10121] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10121] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10121] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10118] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10119] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10121] <... clone3 resumed> => {parent_tid=[10124]}, 88) = 10124 [pid 10121] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10121] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10121] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10123 attached [pid 10123] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10123] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10123] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7./strace-static-x86_64: Process 10122 attached [pid 10119] <... futex resumed>) = 1 [pid 10118] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10114] <... futex resumed>) = 0 [pid 10114] exit_group(0 [pid 10119] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10118] <... futex resumed>) = 1 [pid 10116] <... futex resumed>) = 0 [pid 10122] set_robust_list(0x55556dd196a0, 24 [pid 10118] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10116] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10122] <... set_robust_list resumed>) = 0 [pid 10118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10116] <... futex resumed>) = 0 [pid 10116] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10114] <... exit_group resumed>) = ? [pid 10119] <... futex resumed>) = ? [pid 10118] write(-1, "0x0000000000000001", 18 [pid 10122] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10118] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10123] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10123] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10120] <... futex resumed>) = 0 [pid 10120] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10120] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10123] <... futex resumed>) = 1 [pid 10123] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10119] +++ exited with 0 +++ [pid 10118] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10114] +++ exited with 0 +++ [pid 10122] <... prctl resumed>) = 0 [pid 10118] <... futex resumed>) = 1 [pid 10116] <... futex resumed>) = 0 [pid 10118] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10116] exit_group(0 [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10114, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10122] setpgid(0, 0 [pid 10116] <... exit_group resumed>) = ? [pid 552] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 10124 attached [pid 10123] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10122] <... setpgid resumed>) = 0 [pid 10118] <... futex resumed>) = ? [pid 10124] set_robust_list(0x7f70b115b9a0, 24 [pid 10120] <... futex resumed>) = 0 [pid 10120] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10120] <... futex resumed>) = 0 [pid 10120] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10123] <... futex resumed>) = 1 [pid 10123] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10123] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10120] <... futex resumed>) = 0 [pid 10120] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10118] +++ exited with 0 +++ [pid 10116] +++ exited with 0 +++ [pid 10120] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10123] <... futex resumed>) = 1 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10116, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10123] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10123] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10122] <... openat resumed>) = 3 [pid 10120] <... futex resumed>) = 0 [pid 10124] <... set_robust_list resumed>) = 0 [pid 10120] exit_group(0) = ? [pid 10123] <... futex resumed>) = ? [pid 10122] write(3, "1000", 4 [pid 10124] rt_sigprocmask(SIG_SETMASK, [], executing program [pid 10122] <... write resumed>) = 4 [pid 10122] close(3) = 0 [pid 10122] write(1, "executing program\n", 18) = 18 [pid 10122] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10122] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10123] +++ exited with 0 +++ [pid 10120] +++ exited with 0 +++ [pid 10124] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10120, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10122] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10122] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10122] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 554] <... restart_syscall resumed>) = 0 [pid 552] <... restart_syscall resumed>) = 0 [pid 10124] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10122] <... mmap resumed>) = 0x7f70b113b000 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10124] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10122] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 553] <... restart_syscall resumed>) = 0 [pid 10124] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10126 [pid 10124] <... futex resumed>) = 1 [pid 10122] <... mprotect resumed>) = 0 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10125 [pid 10124] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10121] <... futex resumed>) = 0 [pid 10121] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10121] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10125 attached [pid 10124] <... futex resumed>) = 0 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10127 [pid 10124] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10122] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10125] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10125] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10125] setpgid(0, 0) = 0 [pid 10125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 10125] write(3, "1000", 4) = 4 [pid 10125] close(3) = 0 [pid 10125] write(1, "executing program\n", 18) = 18 [pid 10125] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10125] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10125] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10125] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10125] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10125] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10124] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10122] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10125] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10125] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10124] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10122] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10125] <... clone3 resumed> => {parent_tid=[10128]}, 88) = 10128 [pid 10125] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10125] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10125] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10126 attached [pid 10126] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10126] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10126] setpgid(0, 0) = 0 [pid 10126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10124] <... futex resumed>) = 1 [pid 10121] <... futex resumed>) = 0 [pid 10121] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10124] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000./strace-static-x86_64: Process 10127 attached [pid 10122] <... clone3 resumed> => {parent_tid=[10129]}, 88) = 10129 [pid 10124] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10127] set_robust_list(0x55556dd196a0, 24 [pid 10124] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10127] <... set_robust_list resumed>) = 0 [pid 10122] rt_sigprocmask(SIG_SETMASK, [], [pid 10124] <... futex resumed>) = 0 [pid 10124] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10122] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10121] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10127] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10122] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 10127] <... prctl resumed>) = 0 [pid 10122] <... futex resumed>) = 0 [pid 10121] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10121] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10122] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10127] setpgid(0, 0 [pid 10124] <... futex resumed>) = 0 [pid 10121] <... futex resumed>) = 1 [pid 10127] <... setpgid resumed>) = 0 [pid 10124] write(-1, "0x0000000000000001", 18 [pid 10121] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10124] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10124] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10121] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10124] <... futex resumed>) = 0 [pid 10124] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10121] exit_group(0 [pid 10124] <... futex resumed>) = ? [pid 10121] <... exit_group resumed>) = ? [pid 10126] <... openat resumed>) = 3 [pid 10126] write(3, "1000", 4) = 4 [pid 10126] close(3) = 0 [pid 10126] write(1, "executing program\n", 18) = 18 [pid 10126] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10124] +++ exited with 0 +++ [pid 10121] +++ exited with 0 +++ [pid 10127] <... openat resumed>) = 3 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10121, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10127] write(3, "1000", 4 [pid 10126] <... futex resumed>) = 0 [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 10127] <... write resumed>) = 4 [pid 10126] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10126] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10126] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10127] close(3 [pid 10126] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 executing program [pid 10126] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10126] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10127] <... close resumed>) = 0 ./strace-static-x86_64: Process 10129 attached ./strace-static-x86_64: Process 10128 attached [pid 10126] <... clone3 resumed> => {parent_tid=[10130]}, 88) = 10130 [pid 10129] set_robust_list(0x7f70b115b9a0, 24 [pid 10127] write(1, "executing program\n", 18 [pid 10126] rt_sigprocmask(SIG_SETMASK, [], [pid 10127] <... write resumed>) = 18 [pid 10126] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10126] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10126] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10130 attached [pid 10130] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10130] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10130] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10127] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10130] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10126] <... futex resumed>) = 0 [pid 10126] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10126] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10130] <... futex resumed>) = 1 [pid 10130] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10130] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10126] <... futex resumed>) = 0 [pid 10126] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10126] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10130] <... futex resumed>) = 1 [pid 10130] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10130] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10126] <... futex resumed>) = 0 [pid 10126] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10126] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10130] <... futex resumed>) = 1 [pid 10130] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10130] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10126] <... futex resumed>) = 0 [pid 10126] exit_group(0) = ? [pid 10127] <... futex resumed>) = 0 [pid 10129] <... set_robust_list resumed>) = 0 [pid 10128] set_robust_list(0x7f70b115b9a0, 24 [pid 10127] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10128] <... set_robust_list resumed>) = 0 [pid 10127] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10129] rt_sigprocmask(SIG_SETMASK, [], [pid 10128] rt_sigprocmask(SIG_SETMASK, [], [pid 10127] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10130] <... futex resumed>) = ? [pid 10129] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10127] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10128] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10127] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10129] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10127] <... mmap resumed>) = 0x7f70b113b000 [pid 10128] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10129] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10127] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10128] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10127] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10129] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10128] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10127] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10127] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 555] <... restart_syscall resumed>) = 0 [pid 10128] <... futex resumed>) = 1 [pid 10125] <... futex resumed>) = 0 ./strace-static-x86_64: Process 10131 attached [pid 10130] +++ exited with 0 +++ [pid 10129] <... futex resumed>) = 1 [pid 10126] +++ exited with 0 +++ [pid 10125] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10122] <... futex resumed>) = 0 [pid 10125] <... futex resumed>) = 0 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10126, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10125] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10129] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10128] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10127] <... clone3 resumed> => {parent_tid=[10131]}, 88) = 10131 [pid 10122] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10129] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10128] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10127] rt_sigprocmask(SIG_SETMASK, [], [pid 10122] <... futex resumed>) = 0 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10132 attached ./strace-static-x86_64: Process 10133 attached [pid 10131] set_robust_list(0x7f70b115b9a0, 24 [pid 10129] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10128] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10127] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10122] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10129] <... futex resumed>) = 0 [pid 10128] <... futex resumed>) = 1 [pid 10127] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10125] <... futex resumed>) = 0 [pid 10122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10133 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10132 [pid 10132] set_robust_list(0x55556dd196a0, 24 [pid 10129] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10128] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10127] <... futex resumed>) = 0 [pid 10125] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10122] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10132] <... set_robust_list resumed>) = 0 [pid 10129] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10128] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10127] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10125] <... futex resumed>) = 0 [pid 10122] <... futex resumed>) = 0 [pid 10132] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10129] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10128] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10125] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10122] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10132] <... prctl resumed>) = 0 [pid 10129] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10128] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10129] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10128] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10132] setpgid(0, 0 [pid 10129] <... futex resumed>) = 1 [pid 10122] <... futex resumed>) = 0 [pid 10128] <... futex resumed>) = 1 [pid 10125] <... futex resumed>) = 0 [pid 10132] <... setpgid resumed>) = 0 [pid 10131] <... set_robust_list resumed>) = 0 [pid 10129] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10128] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10125] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10122] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10125] <... futex resumed>) = 0 [pid 10129] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10128] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10125] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10122] <... futex resumed>) = 0 [pid 10129] write(-1, "0x0000000000000001", 18 [pid 10131] rt_sigprocmask(SIG_SETMASK, [], [pid 10128] write(-1, "0x0000000000000001", 18 [pid 10122] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10129] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10128] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10129] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10128] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10129] <... futex resumed>) = 1 [pid 10122] <... futex resumed>) = 0 [pid 10129] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10128] <... futex resumed>) = 1 [pid 10125] <... futex resumed>) = 0 [pid 10132] <... openat resumed>) = 3 [pid 10128] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10125] exit_group(0 [pid 10122] exit_group(0 [pid 10132] write(3, "1000", 4 [pid 10128] <... futex resumed>) = ? [pid 10125] <... exit_group resumed>) = ? [pid 10122] <... exit_group resumed>) = ? [pid 10132] <... write resumed>) = 4 [pid 10133] set_robust_list(0x55556dd196a0, 24 [pid 10131] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10129] <... futex resumed>) = ? [pid 10128] +++ exited with 0 +++ [pid 10125] +++ exited with 0 +++ executing program [pid 10132] close(3) = 0 [pid 10132] write(1, "executing program\n", 18) = 18 [pid 10132] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10129] +++ exited with 0 +++ [pid 10122] +++ exited with 0 +++ [pid 10133] <... set_robust_list resumed>) = 0 [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10125, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10131] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10122, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10133] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10131] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10132] <... futex resumed>) = 0 [pid 10132] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10132] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10132] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10132] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10132] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10133] <... prctl resumed>) = 0 [pid 10131] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10132] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10134]}, 88) = 10134 [pid 10132] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10132] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10132] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10134 attached [pid 10134] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10134] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10134] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10134] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10132] <... futex resumed>) = 0 [pid 10132] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10132] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10134] <... futex resumed>) = 1 [pid 10134] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10134] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10132] <... futex resumed>) = 0 [pid 10132] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10132] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10134] <... futex resumed>) = 1 [pid 10134] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10134] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10132] <... futex resumed>) = 0 [pid 10132] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10132] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10134] <... futex resumed>) = 1 [pid 10134] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10134] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10132] <... futex resumed>) = 0 [pid 10132] exit_group(0) = ? [pid 10134] <... futex resumed>) = ? [pid 10133] setpgid(0, 0 [pid 10131] <... futex resumed>) = 1 [pid 10133] <... setpgid resumed>) = 0 [pid 10127] <... futex resumed>) = 0 [pid 10131] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10127] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10131] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10127] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10131] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10133] <... openat resumed>) = 3 [pid 10131] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10133] write(3, "1000", 4 [pid 10131] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10133] <... write resumed>) = 4 [pid 10127] <... futex resumed>) = 0 [pid 10131] <... futex resumed>) = 1 [pid 10133] close(3 [pid 10131] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000executing program [pid 10127] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10133] <... close resumed>) = 0 [pid 10127] <... futex resumed>) = 0 [pid 10133] write(1, "executing program\n", 18 [pid 10131] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10127] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10133] <... write resumed>) = 18 [pid 10131] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10133] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10131] <... futex resumed>) = 0 [pid 10127] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10133] <... futex resumed>) = 0 [pid 10127] <... futex resumed>) = 0 [pid 10133] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10131] write(-1, "0x0000000000000001", 18 [pid 10127] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10133] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10131] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10133] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10131] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10133] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10133] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10131] <... futex resumed>) = 1 [pid 10127] <... futex resumed>) = 0 [pid 10134] +++ exited with 0 +++ [pid 10132] +++ exited with 0 +++ [pid 10133] <... mmap resumed>) = 0x7f70b113b000 [pid 10131] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10127] exit_group(0 [pid 10133] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10131] <... futex resumed>) = ? [pid 10127] <... exit_group resumed>) = ? [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10132, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 552] <... restart_syscall resumed>) = 0 [pid 10133] <... mprotect resumed>) = 0 [pid 10133] rt_sigprocmask(SIG_BLOCK, ~[], [pid 551] <... restart_syscall resumed>) = 0 [pid 10133] <... rt_sigprocmask resumed>[], 8) = 0 [pid 554] <... restart_syscall resumed>) = 0 [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10133] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10131] +++ exited with 0 +++ [pid 10127] +++ exited with 0 +++ [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10136 attached ./strace-static-x86_64: Process 10135 attached [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10127, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10133] <... clone3 resumed> => {parent_tid=[10136]}, 88) = 10136 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10137 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10135 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10136] set_robust_list(0x7f70b115b9a0, 24 [pid 10135] set_robust_list(0x55556dd196a0, 24 [pid 10133] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 10137 attached [pid 10137] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10133] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10136] <... set_robust_list resumed>) = 0 [pid 10135] <... set_robust_list resumed>) = 0 [pid 10133] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10138 [pid 10133] <... futex resumed>) = 0 [pid 10137] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10133] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10136] rt_sigprocmask(SIG_SETMASK, [], [pid 10135] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10137] <... prctl resumed>) = 0 [pid 10137] setpgid(0, 0) = 0 [pid 10137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10135] <... prctl resumed>) = 0 [pid 10136] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 10138 attached [pid 10135] setpgid(0, 0 [pid 10137] <... openat resumed>) = 3 executing program [pid 10136] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10135] <... setpgid resumed>) = 0 [pid 10138] set_robust_list(0x55556dd196a0, 24 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10137] write(3, "1000", 4) = 4 [pid 10137] close(3) = 0 [pid 10138] <... set_robust_list resumed>) = 0 [pid 10138] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10137] write(1, "executing program\n", 18 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10139 [pid 10137] <... write resumed>) = 18 [pid 10135] <... openat resumed>) = 3 [pid 10136] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10137] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10137] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10138] <... prctl resumed>) = 0 [pid 10137] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], executing program NULL, 8) = 0 [pid 10138] setpgid(0, 0 [pid 10137] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10138] <... setpgid resumed>) = 0 [pid 10137] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10136] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10135] write(3, "1000", 4./strace-static-x86_64: Process 10139 attached ) = 4 [pid 10136] <... futex resumed>) = 1 [pid 10135] close(3 [pid 10133] <... futex resumed>) = 0 [pid 10135] <... close resumed>) = 0 [pid 10136] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10135] write(1, "executing program\n", 18 [pid 10133] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10135] <... write resumed>) = 18 [pid 10133] <... futex resumed>) = 0 [pid 10136] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10133] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10136] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10135] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10133] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10137] <... mprotect resumed>) = 0 [pid 10135] <... futex resumed>) = 0 [pid 10133] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10136] <... futex resumed>) = 0 [pid 10135] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10133] <... futex resumed>) = 0 [pid 10136] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10135] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10133] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10135] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10136] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10135] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10137] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10136] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10135] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10139] set_robust_list(0x55556dd196a0, 24 [pid 10138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10136] <... futex resumed>) = 1 [pid 10135] <... mmap resumed>) = 0x7f70b113b000 [pid 10133] <... futex resumed>) = 0 [pid 10135] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10133] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10137] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10133] <... futex resumed>) = 0 [pid 10136] write(-1, "0x0000000000000001", 18 [pid 10135] <... mprotect resumed>) = 0 [pid 10133] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10137] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10135] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10136] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10135] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10136] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10135] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10137] <... clone3 resumed> => {parent_tid=[10140]}, 88) = 10140 [pid 10137] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10136] <... futex resumed>) = 1 [pid 10135] <... clone3 resumed> => {parent_tid=[10141]}, 88) = 10141 [pid 10133] <... futex resumed>) = 0 [pid 10136] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10137] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10137] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10135] rt_sigprocmask(SIG_SETMASK, [], [pid 10133] exit_group(0 [pid 10135] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10136] <... futex resumed>) = ? [pid 10135] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10133] <... exit_group resumed>) = ? [pid 10136] +++ exited with 0 +++ ./strace-static-x86_64: Process 10141 attached [pid 10141] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10141] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10141] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10141] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10141] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10133] +++ exited with 0 +++ [pid 10135] <... futex resumed>) = 0 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10133, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10135] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 555] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 10140 attached [pid 10135] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10140] set_robust_list(0x7f70b115b9a0, 24 [pid 10135] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10140] <... set_robust_list resumed>) = 0 [pid 10135] <... futex resumed>) = 1 [pid 10141] <... futex resumed>) = 0 [pid 10141] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10135] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10141] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10141] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10135] <... futex resumed>) = 0 [pid 10141] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10140] rt_sigprocmask(SIG_SETMASK, [], [pid 10135] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10140] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10135] <... futex resumed>) = 1 [pid 10141] <... futex resumed>) = 0 [pid 10135] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10141] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10141] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10135] <... futex resumed>) = 0 [pid 10139] <... set_robust_list resumed>) = 0 [pid 10135] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10141] write(-1, "0x0000000000000001", 18 [pid 10135] <... futex resumed>) = 0 [pid 10139] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10135] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10141] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10139] <... prctl resumed>) = 0 [pid 10141] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10135] <... futex resumed>) = 0 [pid 10139] setpgid(0, 0 [pid 10135] exit_group(0 [pid 10139] <... setpgid resumed>) = 0 [pid 10138] <... openat resumed>) = 3 [pid 10135] <... exit_group resumed>) = ? [pid 10141] +++ exited with 0 +++ [pid 10140] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10140] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10137] <... futex resumed>) = 0 [pid 10137] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10137] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10140] <... futex resumed>) = 1 [pid 10135] +++ exited with 0 +++ [pid 10140] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10135, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10138] write(3, "1000", 4 [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10138] <... write resumed>) = 4 [pid 10140] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10140] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10137] <... futex resumed>) = 0 [pid 10137] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10137] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10140] <... futex resumed>) = 1 [pid 10140] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10140] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10137] <... futex resumed>) = 0 [pid 10137] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10137] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10140] <... futex resumed>) = 1 [pid 10140] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10140] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10137] <... futex resumed>) = 0 [pid 10137] exit_group(0) = ? [pid 10140] <... futex resumed>) = ? [pid 10138] close(3executing program [pid 10139] <... openat resumed>) = 3 [pid 10138] <... close resumed>) = 0 [pid 10138] write(1, "executing program\n", 18) = 18 [pid 10138] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10138] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10140] +++ exited with 0 +++ [pid 10138] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10137] +++ exited with 0 +++ [pid 10138] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10137, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10139] write(3, "1000", 4 [pid 10138] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10139] <... write resumed>) = 4 [pid 10138] <... mmap resumed>) = 0x7f70b113b000 [pid 10139] close(3 [pid 10138] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10139] <... close resumed>) = 0 [pid 10138] <... mprotect resumed>) = 0 [pid 555] <... restart_syscall resumed>) = 0 [pid 554] <... restart_syscall resumed>) = 0 [pid 10139] write(1, "executing program\n", 18 [pid 10138] rt_sigprocmask(SIG_BLOCK, ~[], executing program [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10139] <... write resumed>) = 18 [pid 10138] <... rt_sigprocmask resumed>[], 8) = 0 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 552] <... restart_syscall resumed>) = 0 [pid 10139] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10138] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10139] <... futex resumed>) = 0 [pid 10139] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10138] <... clone3 resumed> => {parent_tid=[10143]}, 88) = 10143 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10142 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10144 [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10144 attached ./strace-static-x86_64: Process 10143 attached ./strace-static-x86_64: Process 10142 attached ./strace-static-x86_64: Process 10145 attached [pid 10139] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10138] rt_sigprocmask(SIG_SETMASK, [], [pid 10145] set_robust_list(0x55556dd196a0, 24 [pid 10142] set_robust_list(0x55556dd196a0, 24 [pid 10139] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10138] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10145 [pid 10145] <... set_robust_list resumed>) = 0 [pid 10139] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10138] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10145] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10139] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10138] <... futex resumed>) = 0 [pid 10145] <... prctl resumed>) = 0 [pid 10144] set_robust_list(0x55556dd196a0, 24 [pid 10143] set_robust_list(0x7f70b115b9a0, 24 [pid 10142] <... set_robust_list resumed>) = 0 [pid 10139] <... mmap resumed>) = 0x7f70b113b000 [pid 10138] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10139] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10139] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10143] <... set_robust_list resumed>) = 0 [pid 10142] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10139] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10139] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10145] setpgid(0, 0 [pid 10144] <... set_robust_list resumed>) = 0 [pid 10143] rt_sigprocmask(SIG_SETMASK, [], [pid 10142] <... prctl resumed>) = 0 [pid 10139] <... clone3 resumed> => {parent_tid=[10146]}, 88) = 10146 [pid 10139] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10139] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10139] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10142] setpgid(0, 0./strace-static-x86_64: Process 10146 attached [pid 10146] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10146] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10146] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10146] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10139] <... futex resumed>) = 0 [pid 10139] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10139] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10146] <... futex resumed>) = 1 [pid 10146] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10142] <... setpgid resumed>) = 0 [pid 10145] <... setpgid resumed>) = 0 [pid 10143] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10146] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10139] <... futex resumed>) = 0 [pid 10139] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10139] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10146] <... futex resumed>) = 1 [pid 10146] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10146] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10139] <... futex resumed>) = 0 [pid 10139] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10139] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10146] <... futex resumed>) = 1 [pid 10146] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10146] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10143] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10139] <... futex resumed>) = 0 [pid 10139] exit_group(0) = ? [pid 10146] <... futex resumed>) = ? [pid 10143] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10142] <... openat resumed>) = 3 [pid 10142] write(3, "1000", 4 [pid 10143] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10142] <... write resumed>) = 4 [pid 10142] close(3 [pid 10143] <... futex resumed>) = 1 [pid 10138] <... futex resumed>) = 0 [pid 10142] <... close resumed>) = 0 [pid 10138] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 10143] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10142] write(1, "executing program\n", 18 [pid 10138] <... futex resumed>) = 0 [pid 10142] <... write resumed>) = 18 [pid 10138] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10143] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10142] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10146] +++ exited with 0 +++ [pid 10145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10144] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10143] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10142] <... futex resumed>) = 0 [pid 10139] +++ exited with 0 +++ [pid 10142] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10143] <... futex resumed>) = 1 [pid 10142] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10138] <... futex resumed>) = 0 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10139, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10145] <... openat resumed>) = 3 [pid 10143] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10142] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10138] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10145] write(3, "1000", 4 [pid 10143] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10142] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10138] <... futex resumed>) = 0 [pid 10145] <... write resumed>) = 4 [pid 10144] <... prctl resumed>) = 0 [pid 10143] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10142] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10138] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10145] close(3 [pid 10144] setpgid(0, 0 [pid 10143] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10142] <... mmap resumed>) = 0x7f70b113b000 [pid 10143] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10142] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10145] <... close resumed>) = 0 [pid 10144] <... setpgid resumed>) = 0 executing program [pid 10143] <... futex resumed>) = 1 [pid 10138] <... futex resumed>) = 0 [pid 10145] write(1, "executing program\n", 18 [pid 10143] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10142] <... mprotect resumed>) = 0 [pid 10138] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10145] <... write resumed>) = 18 [pid 10144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10143] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10138] <... futex resumed>) = 0 [pid 10142] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10138] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10145] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10143] write(-1, "0x0000000000000001", 18 [pid 10142] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10145] <... futex resumed>) = 0 [pid 10144] <... openat resumed>) = 3 [pid 10143] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10142] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10145] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10143] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10145] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10143] <... futex resumed>) = 1 [pid 10144] write(3, "1000", 4 [pid 10138] <... futex resumed>) = 0 [pid 10138] exit_group(0 [pid 10145] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10144] <... write resumed>) = 4 [pid 10142] <... clone3 resumed> => {parent_tid=[10147]}, 88) = 10147 [pid 10138] <... exit_group resumed>) = ? [pid 10145] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10144] close(3 [pid 10143] +++ exited with 0 +++ [pid 10142] rt_sigprocmask(SIG_SETMASK, [], [pid 10138] +++ exited with 0 +++ [pid 10145] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 executing program [pid 10144] <... close resumed>) = 0 [pid 553] <... restart_syscall resumed>) = 0 [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10138, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10142] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10145] <... mmap resumed>) = 0x7f70b113b000 [pid 10142] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10144] write(1, "executing program\n", 18 [pid 10142] <... futex resumed>) = 0 ./strace-static-x86_64: Process 10147 attached [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10145] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10142] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10147] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10147] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10147] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10147] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10147] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10148 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10149 [pid 10145] <... mprotect resumed>) = 0 [pid 10144] <... write resumed>) = 18 [pid 10142] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10142] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10147] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10147] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10145] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10144] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10147] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10147] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10142] <... futex resumed>) = 0 [pid 10145] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10144] <... futex resumed>) = 0 [pid 10142] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10147] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10145] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10144] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10142] <... futex resumed>) = 0 [pid 10147] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10142] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10147] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10144] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10147] <... futex resumed>) = 1 [pid 10145] <... clone3 resumed> => {parent_tid=[10150]}, 88) = 10150 [pid 10142] <... futex resumed>) = 0 [pid 10144] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10145] rt_sigprocmask(SIG_SETMASK, [], [pid 10142] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10147] write(-1, "0x0000000000000001", 18 [pid 10145] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10144] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10142] <... futex resumed>) = 0 [pid 10147] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10142] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10145] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10144] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10147] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10145] <... futex resumed>) = 0 [pid 10142] <... futex resumed>) = 0 [pid 10144] <... mmap resumed>) = 0x7f70b113b000 [pid 10142] exit_group(0 [pid 10145] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10144] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10142] <... exit_group resumed>) = ? [pid 10147] +++ exited with 0 +++ ./strace-static-x86_64: Process 10148 attached [pid 10148] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10148] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 10149 attached [pid 10149] set_robust_list(0x55556dd196a0, 24 [pid 10142] +++ exited with 0 +++ [pid 10144] <... mprotect resumed>) = 0 [pid 10148] <... prctl resumed>) = 0 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10142, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10148] setpgid(0, 0 [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 10144] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10149] <... set_robust_list resumed>) = 0 [pid 10149] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10148] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 10150 attached [pid 10148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10144] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10149] <... prctl resumed>) = 0 [pid 10144] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10149] setpgid(0, 0) = 0 [pid 10144] <... clone3 resumed> => {parent_tid=[10151]}, 88) = 10151 [pid 10149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10144] rt_sigprocmask(SIG_SETMASK, [], [pid 10150] set_robust_list(0x7f70b115b9a0, 24 [pid 10144] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10148] <... openat resumed>) = 3 [pid 10150] <... set_robust_list resumed>) = 0 [pid 10144] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10150] rt_sigprocmask(SIG_SETMASK, [], [pid 10149] <... openat resumed>) = 3 [pid 10144] <... futex resumed>) = 0 [pid 10148] write(3, "1000", 4 [pid 10144] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10148] <... write resumed>) = 4 [pid 10148] close(3) = 0 [pid 10150] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10149] write(3, "1000", 4 [pid 10148] write(1, "executing program\n", 18executing program [pid 10149] <... write resumed>) = 4 [pid 10148] <... write resumed>) = 18 [pid 10149] close(3 [pid 10148] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10149] <... close resumed>) = 0 [pid 10148] <... futex resumed>) = 0 [pid 10150] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10149] write(1, "executing program\n", 18 [pid 10148] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, executing program [pid 10149] <... write resumed>) = 18 [pid 10148] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10149] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10148] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10149] <... futex resumed>) = 0 [pid 10148] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10149] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10150] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10148] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10149] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10148] <... mmap resumed>) = 0x7f70b113b000 [pid 10149] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10148] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10149] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10150] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10148] <... mprotect resumed>) = 0 [pid 10150] <... futex resumed>) = 1 [pid 10149] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10148] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10145] <... futex resumed>) = 0 [pid 10150] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10149] <... mmap resumed>) = 0x7f70b113b000 [pid 10148] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10145] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10150] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10149] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10148] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10145] <... futex resumed>) = 0 [pid 10150] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10149] <... mprotect resumed>) = 0 [pid 10145] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10152 attached [pid 10150] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10149] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10148] <... clone3 resumed> => {parent_tid=[10152]}, 88) = 10152 [pid 10149] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10148] rt_sigprocmask(SIG_SETMASK, [], [pid 10149] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10148] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10152] set_robust_list(0x7f70b115b9a0, 24 [pid 10150] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10148] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10149] <... clone3 resumed> => {parent_tid=[10153]}, 88) = 10153 [pid 10148] <... futex resumed>) = 0 [pid 10149] rt_sigprocmask(SIG_SETMASK, [], [pid 10148] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10150] <... futex resumed>) = 1 [pid 10145] <... futex resumed>) = 0 [pid 10149] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10150] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10145] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10149] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10145] <... futex resumed>) = 0 [pid 10150] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10145] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10150] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10150] <... futex resumed>) = 0 [pid 10145] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10149] <... futex resumed>) = 0 [pid 10145] <... futex resumed>) = 0 [pid 10150] write(-1, "0x0000000000000001", 18 [pid 10149] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10145] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10151 attached [pid 10150] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10151] set_robust_list(0x7f70b115b9a0, 24 [pid 10150] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10151] <... set_robust_list resumed>) = 0 [pid 10150] <... futex resumed>) = 1 [pid 10145] <... futex resumed>) = 0 [pid 10151] rt_sigprocmask(SIG_SETMASK, [], [pid 10150] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10145] exit_group(0 [pid 555] <... restart_syscall resumed>) = 0 [pid 10145] <... exit_group resumed>) = ? [pid 10150] <... futex resumed>) = ? [pid 10151] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10151] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10151] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10151] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10151] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 10153 attached [pid 10153] set_robust_list(0x7f70b115b9a0, 24 [pid 10144] <... futex resumed>) = 0 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10154 [pid 10144] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10153] <... set_robust_list resumed>) = 0 [pid 10144] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10153] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10153] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10153] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10149] <... futex resumed>) = 0 [pid 10149] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10151] <... futex resumed>) = 0 [pid 10150] +++ exited with 0 +++ [pid 10149] <... futex resumed>) = 0 [pid 10145] +++ exited with 0 +++ [pid 10149] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10145, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10153] <... futex resumed>) = 1 [pid 10153] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10151] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10153] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10151] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10153] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10149] <... futex resumed>) = 0 [pid 10149] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10149] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10153] <... futex resumed>) = 1 [pid 10153] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10153] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10149] <... futex resumed>) = 0 [pid 10149] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10153] <... futex resumed>) = 1 [pid 10152] <... set_robust_list resumed>) = 0 [pid 10151] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10149] <... futex resumed>) = 0 [pid 10153] write(-1, "0x0000000000000001", 18 [pid 10152] rt_sigprocmask(SIG_SETMASK, [], [pid 10151] <... futex resumed>) = 1 [pid 10149] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10144] <... futex resumed>) = 0 [pid 10153] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10152] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10151] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10144] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10151] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10144] <... futex resumed>) = 0 [pid 10152] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10151] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10144] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10151] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10152] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10151] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10153] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10151] <... futex resumed>) = 1 [pid 10144] <... futex resumed>) = 0 [pid 10152] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10151] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10144] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10153] <... futex resumed>) = 1 [pid 10152] <... futex resumed>) = 1 [pid 10151] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10149] <... futex resumed>) = 0 [pid 10148] <... futex resumed>) = 0 [pid 10144] <... futex resumed>) = 0 [pid 10153] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10152] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10151] write(-1, "0x0000000000000001", 18 [pid 10149] exit_group(0 [pid 10148] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10144] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10154 attached [pid 10153] <... futex resumed>) = ? [pid 10152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10151] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10149] <... exit_group resumed>) = ? [pid 10148] <... futex resumed>) = 0 [pid 10154] set_robust_list(0x55556dd196a0, 24 [pid 10153] +++ exited with 0 +++ [pid 10152] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10151] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10149] +++ exited with 0 +++ [pid 10148] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10154] <... set_robust_list resumed>) = 0 [pid 10152] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10151] <... futex resumed>) = 1 [pid 10144] <... futex resumed>) = 0 [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10149, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10154] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10152] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10151] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10144] exit_group(0 [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10154] <... prctl resumed>) = 0 [pid 10152] <... futex resumed>) = 1 [pid 10151] <... futex resumed>) = ? [pid 10148] <... futex resumed>) = 0 [pid 10144] <... exit_group resumed>) = ? [pid 10154] setpgid(0, 0 [pid 10152] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10151] +++ exited with 0 +++ [pid 10148] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10154] <... setpgid resumed>) = 0 [pid 10148] <... futex resumed>) = 0 [pid 10154] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10148] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10154] <... openat resumed>) = 3 [pid 10144] +++ exited with 0 +++ [pid 10152] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10144, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10154] write(3, "1000", 4 [pid 10152] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10154] <... write resumed>) = 4 [pid 10152] <... futex resumed>) = 1 [pid 10148] <... futex resumed>) = 0 [pid 10154] close(3 [pid 10152] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10148] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10154] <... close resumed>) = 0 [pid 10152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10148] <... futex resumed>) = 0 executing program [pid 10154] write(1, "executing program\n", 18 [pid 10148] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10154] <... write resumed>) = 18 [pid 10152] write(-1, "0x0000000000000001", 18 [pid 10154] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10152] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10154] <... futex resumed>) = 0 [pid 10152] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10154] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10152] <... futex resumed>) = 1 [pid 10148] <... futex resumed>) = 0 [pid 10154] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10152] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10148] exit_group(0 [pid 10154] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10152] <... futex resumed>) = ? [pid 10148] <... exit_group resumed>) = ? [pid 10154] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10152] +++ exited with 0 +++ [pid 10148] +++ exited with 0 +++ [pid 10154] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10148, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10154] <... mmap resumed>) = 0x7f70b113b000 [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10154] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10154] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10154] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 552] <... restart_syscall resumed>) = 0 [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10155 attached [pid 10154] <... clone3 resumed> => {parent_tid=[10155]}, 88) = 10155 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10156 [pid 10155] set_robust_list(0x7f70b115b9a0, 24 [pid 10154] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 10156 attached [pid 554] <... restart_syscall resumed>) = 0 [pid 10155] <... set_robust_list resumed>) = 0 [pid 10154] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 553] <... restart_syscall resumed>) = 0 [pid 551] <... restart_syscall resumed>) = 0 [pid 10156] set_robust_list(0x55556dd196a0, 24 [pid 10155] rt_sigprocmask(SIG_SETMASK, [], [pid 10154] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10156] <... set_robust_list resumed>) = 0 [pid 10155] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10154] <... futex resumed>) = 0 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10158 attached ./strace-static-x86_64: Process 10157 attached [pid 10156] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10155] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10154] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10157 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10158 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10159 [pid 10157] set_robust_list(0x55556dd196a0, 24 [pid 10156] <... prctl resumed>) = 0 [pid 10155] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10157] <... set_robust_list resumed>) = 0 [pid 10156] setpgid(0, 0 [pid 10155] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10158] set_robust_list(0x55556dd196a0, 24 [pid 10156] <... setpgid resumed>) = 0 [pid 10155] <... futex resumed>) = 1 [pid 10154] <... futex resumed>) = 0 [pid 10157] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10154] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10156] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10157] <... prctl resumed>) = 0 [pid 10155] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10154] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10155] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10157] setpgid(0, 0) = 0 [pid 10156] <... openat resumed>) = 3 [pid 10155] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10154] <... futex resumed>) = 0 [pid 10154] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10156] write(3, "1000", 4 [pid 10155] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10154] <... futex resumed>) = 0 [pid 10154] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10156] <... write resumed>) = 4 [pid 10155] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10157] <... openat resumed>) = 3 [pid 10156] close(3 [pid 10155] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10154] <... futex resumed>) = 0 [pid 10157] write(3, "1000", 4 [pid 10156] <... close resumed>) = 0 [pid 10154] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10155] write(-1, "0x0000000000000001", 18 [pid 10157] <... write resumed>) = 4 [pid 10156] write(1, "executing program\n", 18 [pid 10154] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 10155] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10157] close(3 [pid 10156] <... write resumed>) = 18 [pid 10155] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10156] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10157] <... close resumed>) = 0 ./strace-static-x86_64: Process 10159 attached [pid 10158] <... set_robust_list resumed>) = 0 [pid 10157] write(1, "executing program\n", 18 [pid 10156] <... futex resumed>) = 0 [pid 10155] <... futex resumed>) = 1 [pid 10154] <... futex resumed>) = 0 executing program [pid 10159] set_robust_list(0x55556dd196a0, 24 [pid 10154] exit_group(0 [pid 10159] <... set_robust_list resumed>) = 0 [pid 10154] <... exit_group resumed>) = ? [pid 10159] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10156] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10157] <... write resumed>) = 18 [pid 10158] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10159] <... prctl resumed>) = 0 [pid 10159] setpgid(0, 0) = 0 [pid 10159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10159] write(3, "1000", 4 [pid 10155] +++ exited with 0 +++ [pid 10156] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10154] +++ exited with 0 +++ [pid 10159] <... write resumed>) = 4 [pid 10158] <... prctl resumed>) = 0 [pid 10157] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10159] close(3 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10154, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10159] <... close resumed>) = 0 [pid 555] restart_syscall(<... resuming interrupted clone ...> executing program [pid 10159] write(1, "executing program\n", 18) = 18 [pid 10159] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10159] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10159] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10159] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10159] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10159] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10159] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10160]}, 88) = 10160 [pid 10159] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10159] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10159] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10160 attached [pid 10160] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10160] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10160] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10156] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10157] <... futex resumed>) = 0 [pid 10158] setpgid(0, 0 [pid 10160] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10156] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10158] <... setpgid resumed>) = 0 [pid 10157] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10156] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10157] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10160] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10159] <... futex resumed>) = 0 [pid 10158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10157] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10156] <... mmap resumed>) = 0x7f70b113b000 [pid 10160] <... futex resumed>) = 1 [pid 10159] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10158] <... openat resumed>) = 3 [pid 10157] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10156] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10157] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10158] write(3, "1000", 4 [pid 10156] <... mprotect resumed>) = 0 [pid 10157] <... mmap resumed>) = 0x7f70b113b000 [pid 10159] <... futex resumed>) = 0 [pid 10159] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10157] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10156] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10158] <... write resumed>) = 4 [pid 10157] <... mprotect resumed>) = 0 [pid 10156] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10157] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10158] close(3 [pid 10157] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10156] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10158] <... close resumed>) = 0 [pid 10157] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10160] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH executing program [pid 10158] write(1, "executing program\n", 18 [pid 10156] <... clone3 resumed> => {parent_tid=[10161]}, 88) = 10161 [pid 10158] <... write resumed>) = 18 [pid 10157] <... clone3 resumed> => {parent_tid=[10162]}, 88) = 10162 [pid 10156] rt_sigprocmask(SIG_SETMASK, [], [pid 10158] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10157] rt_sigprocmask(SIG_SETMASK, [], [pid 10158] <... futex resumed>) = 0 [pid 10157] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10156] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10158] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10157] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10156] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10158] <... rt_sigaction resumed>NULL, 8) = 0 [pid 555] <... restart_syscall resumed>) = 0 [pid 10158] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10157] <... futex resumed>) = 0 [pid 10156] <... futex resumed>) = 0 [pid 10158] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10157] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10156] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10162 attached [pid 10158] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10163 [pid 10158] <... mmap resumed>) = 0x7f70b113b000 [pid 10158] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10162] set_robust_list(0x7f70b115b9a0, 24 [pid 10158] <... mprotect resumed>) = 0 [pid 10160] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10160] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10159] <... futex resumed>) = 0 [pid 10159] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10158] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10159] <... futex resumed>) = 0 [pid 10159] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10160] <... futex resumed>) = 1 [pid 10160] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10160] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10159] <... futex resumed>) = 0 [pid 10159] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10159] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10160] <... futex resumed>) = 1 [pid 10160] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10160] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10159] <... futex resumed>) = 0 [pid 10159] exit_group(0) = ? [pid 10160] <... futex resumed>) = ? [pid 10158] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10162] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 10163 attached [pid 10158] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10162] rt_sigprocmask(SIG_SETMASK, [], [pid 10163] set_robust_list(0x55556dd196a0, 24 [pid 10162] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10163] <... set_robust_list resumed>) = 0 [pid 10158] <... clone3 resumed> => {parent_tid=[10164]}, 88) = 10164 [pid 10160] +++ exited with 0 +++ [pid 10159] +++ exited with 0 +++ [pid 10158] rt_sigprocmask(SIG_SETMASK, [], [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10159, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 551] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 10161 attached [pid 10161] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10161] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10161] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10158] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10161] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10161] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10156] <... futex resumed>) = 0 [pid 10158] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10156] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10156] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10161] <... futex resumed>) = 1 [pid 10161] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10161] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10156] <... futex resumed>) = 0 [pid 10156] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10156] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10158] <... futex resumed>) = 0 [pid 10162] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10158] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10161] <... futex resumed>) = 1 [pid 10161] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10161] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10156] <... futex resumed>) = 0 [pid 10156] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10156] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10161] <... futex resumed>) = 1 [pid 10162] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10161] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10161] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10156] <... futex resumed>) = 0 [pid 10162] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10156] exit_group(0 [pid 10163] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10156] <... exit_group resumed>) = ? [pid 10161] <... futex resumed>) = ? [pid 10157] <... futex resumed>) = 0 [pid 10157] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10157] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10162] <... futex resumed>) = 1 [pid 10162] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10163] <... prctl resumed>) = 0 [pid 10162] <... openat resumed>) = -1 ENOENT (No such file or directory) ./strace-static-x86_64: Process 10164 attached [pid 10164] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10164] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10162] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10163] setpgid(0, 0 [pid 10164] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10164] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10161] +++ exited with 0 +++ [pid 10156] +++ exited with 0 +++ [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10156, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10164] <... futex resumed>) = 1 [pid 10158] <... futex resumed>) = 0 [pid 10162] <... futex resumed>) = 1 [pid 10158] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10157] <... futex resumed>) = 0 [pid 10164] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10158] <... futex resumed>) = 0 [pid 10157] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10162] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10158] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10157] <... futex resumed>) = 0 [pid 10157] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10162] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10164] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10164] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10158] <... futex resumed>) = 0 [pid 10162] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10158] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10162] <... futex resumed>) = 1 [pid 10158] <... futex resumed>) = 0 [pid 10157] <... futex resumed>) = 0 [pid 10162] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10158] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10157] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10164] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10157] <... futex resumed>) = 0 [pid 10164] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10157] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10162] write(-1, "0x0000000000000001", 18 [pid 552] <... restart_syscall resumed>) = 0 [pid 10163] <... setpgid resumed>) = 0 [pid 10162] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10162] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10165 attached [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10165 [pid 10164] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10162] <... futex resumed>) = 1 [pid 10157] <... futex resumed>) = 0 [pid 10162] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10158] <... futex resumed>) = 0 [pid 10158] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10158] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10157] exit_group(0 [pid 10164] <... futex resumed>) = 1 [pid 10162] <... futex resumed>) = 1 [pid 10157] <... exit_group resumed>) = ? [pid 10164] write(-1, "0x0000000000000001", 18 [pid 10162] +++ exited with 0 +++ [pid 10164] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10164] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10158] <... futex resumed>) = 0 [pid 10158] exit_group(0) = ? [pid 10164] <... futex resumed>) = ? [pid 10157] +++ exited with 0 +++ [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10157, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 554] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 551] <... restart_syscall resumed>) = 0 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10163] <... openat resumed>) = 3 ./strace-static-x86_64: Process 10166 attached [pid 10165] set_robust_list(0x55556dd196a0, 24 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10166 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10166] set_robust_list(0x55556dd196a0, 24 [pid 10165] <... set_robust_list resumed>) = 0 [pid 10163] write(3, "1000", 4./strace-static-x86_64: Process 10167 attached [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10167 [pid 10167] set_robust_list(0x55556dd196a0, 24 [pid 10166] <... set_robust_list resumed>) = 0 [pid 10165] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10164] +++ exited with 0 +++ [pid 10163] <... write resumed>) = 4 [pid 10158] +++ exited with 0 +++ [pid 10165] <... prctl resumed>) = 0 [pid 10163] close(3 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10158, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10163] <... close resumed>) = 0 [pid 10165] setpgid(0, 0 [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10165] <... setpgid resumed>) = 0 [pid 10163] write(1, "executing program\n", 18 [pid 10167] <... set_robust_list resumed>) = 0 [pid 10166] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program [pid 10163] <... write resumed>) = 18 [pid 10165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10163] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10165] <... openat resumed>) = 3 [pid 10163] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10166] <... prctl resumed>) = 0 [pid 10165] write(3, "1000", 4 [pid 10163] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10165] <... write resumed>) = 4 [pid 10163] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10166] setpgid(0, 0) = 0 [pid 10165] close(3 [pid 10163] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10163] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10165] <... close resumed>) = 0 [pid 10163] <... mmap resumed>) = 0x7f70b113b000 executing program [pid 10165] write(1, "executing program\n", 18) = 18 [pid 10163] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10165] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10163] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10165] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10163] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10165] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10163] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10165] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10165] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10163] <... clone3 resumed> => {parent_tid=[10168]}, 88) = 10168 ./strace-static-x86_64: Process 10168 attached [pid 10168] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10168] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10168] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10165] <... mmap resumed>) = 0x7f70b113b000 [pid 10163] rt_sigprocmask(SIG_SETMASK, [], [pid 10166] <... openat resumed>) = 3 [pid 10167] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10165] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10163] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10165] <... mprotect resumed>) = 0 [pid 10163] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10165] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10163] <... futex resumed>) = 1 [pid 10168] <... futex resumed>) = 0 [pid 10165] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10163] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10165] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10168] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10165] <... clone3 resumed> => {parent_tid=[10169]}, 88) = 10169 [pid 10168] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10165] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10163] <... futex resumed>) = 0 [pid 10163] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10165] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10163] <... futex resumed>) = 0 [pid 10165] <... futex resumed>) = 0 [pid 10163] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10166] write(3, "1000", 4 [pid 10165] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10168] <... futex resumed>) = 1 [pid 10166] <... write resumed>) = 4 [pid 10168] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10166] close(3 [pid 10168] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10163] <... futex resumed>) = 0 [pid 10163] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10163] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10168] <... futex resumed>) = 1 [pid 10168] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10168] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10163] <... futex resumed>) = 0 [pid 10163] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10163] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10168] <... futex resumed>) = 1 [pid 10168] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10168] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10163] <... futex resumed>) = 0 [pid 10167] <... prctl resumed>) = 0 [pid 10166] <... close resumed>) = 0 [pid 10163] exit_group(0) = ? [pid 10166] write(1, "executing program\n", 18 [pid 10167] setpgid(0, 0executing program [pid 10168] <... futex resumed>) = ? [pid 10168] +++ exited with 0 +++ [pid 10167] <... setpgid resumed>) = 0 [pid 10166] <... write resumed>) = 18 [pid 10163] +++ exited with 0 +++ ./strace-static-x86_64: Process 10169 attached [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10163, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 553] <... restart_syscall resumed>) = 0 [pid 10166] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 10169] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10169] rt_sigprocmask(SIG_SETMASK, [], [pid 10166] <... futex resumed>) = 0 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10169] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10169] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10169] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10166] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10170 [pid 10169] <... futex resumed>) = 1 [pid 10165] <... futex resumed>) = 0 [pid 10166] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10165] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10169] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10166] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10165] <... futex resumed>) = 0 [pid 10169] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10166] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10165] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10169] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10166] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10169] <... futex resumed>) = 1 [pid 10165] <... futex resumed>) = 0 [pid 10166] <... mmap resumed>) = 0x7f70b113b000 [pid 10165] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10166] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10165] <... futex resumed>) = 0 [pid 10169] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10165] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10166] <... mprotect resumed>) = 0 [pid 10169] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10165] <... futex resumed>) = 0 [pid 10166] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10165] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10166] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10165] <... futex resumed>) = 0 [pid 10166] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10165] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10169] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10169] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10166] <... clone3 resumed> => {parent_tid=[10171]}, 88) = 10171 [pid 10169] <... futex resumed>) = 1 [pid 10166] rt_sigprocmask(SIG_SETMASK, [], [pid 10165] <... futex resumed>) = 0 [pid 10166] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10169] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10165] exit_group(0 [pid 10166] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10165] <... exit_group resumed>) = ? [pid 10166] <... futex resumed>) = 0 [pid 10169] <... futex resumed>) = ? [pid 10166] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10169] +++ exited with 0 +++ [pid 10167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10165] +++ exited with 0 +++ [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10165, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 552] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 10170 attached [pid 10167] <... openat resumed>) = 3 [pid 10170] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10170] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10170] setpgid(0, 0) = 0 [pid 10170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10167] write(3, "1000", 4 [pid 10170] <... openat resumed>) = 3 [pid 10170] write(3, "1000", 4) = 4 [pid 10170] close(3) = 0 [pid 10170] write(1, "executing program\n", 18executing program ) = 18 [pid 10170] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10170] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10170] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10170] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10170] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10170] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10167] <... write resumed>) = 4 [pid 10170] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10170] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0}./strace-static-x86_64: Process 10171 attached [pid 10167] close(3 [pid 10171] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10171] rt_sigprocmask(SIG_SETMASK, [], [pid 10170] <... clone3 resumed> => {parent_tid=[10172]}, 88) = 10172 [pid 10171] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10170] rt_sigprocmask(SIG_SETMASK, [], [pid 10171] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10170] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10170] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10170] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10171] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10171] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10166] <... futex resumed>) = 0 executing program [pid 10167] <... close resumed>) = 0 [pid 10171] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 10172 attached [pid 10172] set_robust_list(0x7f70b115b9a0, 24 [pid 10166] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10167] write(1, "executing program\n", 18 [pid 10166] <... futex resumed>) = 1 [pid 10167] <... write resumed>) = 18 [pid 10166] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10167] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10171] <... futex resumed>) = 0 [pid 10167] <... futex resumed>) = 0 [pid 10171] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10167] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10171] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10167] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10171] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10167] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10171] <... futex resumed>) = 1 [pid 10167] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10166] <... futex resumed>) = 0 [pid 10167] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10171] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10172] <... set_robust_list resumed>) = 0 [pid 10166] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10172] rt_sigprocmask(SIG_SETMASK, [], [pid 10171] <... futex resumed>) = 0 [pid 10167] <... mmap resumed>) = 0x7f70b113b000 [pid 10166] <... futex resumed>) = 1 [pid 10167] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10166] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10167] <... mprotect resumed>) = 0 [pid 552] <... restart_syscall resumed>) = 0 [pid 10171] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10171] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10166] <... futex resumed>) = 0 [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10167] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10166] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10171] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10171] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10171] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10166] <... futex resumed>) = 0 [pid 10167] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10166] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10173 [pid 10167] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10166] exit_group(0 [pid 10172] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10171] <... futex resumed>) = ? [pid 10166] <... exit_group resumed>) = ? [pid 10171] +++ exited with 0 +++ [pid 10172] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10172] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10170] <... futex resumed>) = 0 [pid 10170] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10170] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10172] <... futex resumed>) = 1 [pid 10166] +++ exited with 0 +++ [pid 555] <... restart_syscall resumed>) = 0 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10166, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10167] <... clone3 resumed> => {parent_tid=[10174]}, 88) = 10174 [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10167] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10172] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10172] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10170] <... futex resumed>) = 0 [pid 10170] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10170] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10167] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10175 [pid 10167] <... futex resumed>) = 0 [pid 10167] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 554] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 10175 attached ./strace-static-x86_64: Process 10173 attached [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10176 attached [pid 10175] set_robust_list(0x55556dd196a0, 24 [pid 10173] set_robust_list(0x55556dd196a0, 24 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10176 [pid 10172] <... futex resumed>) = 1 [pid 10173] <... set_robust_list resumed>) = 0 [pid 10175] <... set_robust_list resumed>) = 0 [pid 10172] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10172] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10170] <... futex resumed>) = 0 [pid 10170] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10170] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10172] <... futex resumed>) = 1 [pid 10172] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10172] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10170] <... futex resumed>) = 0 [pid 10170] exit_group(0) = ? [pid 10172] <... futex resumed>) = ? [pid 10176] set_robust_list(0x55556dd196a0, 24 [pid 10175] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10173] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10176] <... set_robust_list resumed>) = 0 [pid 10175] <... prctl resumed>) = 0 [pid 10173] <... prctl resumed>) = 0 [pid 10172] +++ exited with 0 +++ [pid 10170] +++ exited with 0 +++ ./strace-static-x86_64: Process 10174 attached [pid 10174] set_robust_list(0x7f70b115b9a0, 24 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10170, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10174] <... set_robust_list resumed>) = 0 [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10174] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10174] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10173] setpgid(0, 0 [pid 10174] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10167] <... futex resumed>) = 0 [pid 10167] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10167] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10174] <... futex resumed>) = 1 [pid 10174] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10174] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10167] <... futex resumed>) = 0 [pid 10167] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10167] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10174] <... futex resumed>) = 1 [pid 10174] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10174] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10167] <... futex resumed>) = 0 [pid 10167] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10167] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10174] <... futex resumed>) = 1 [pid 10174] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10174] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10167] <... futex resumed>) = 0 [pid 10167] exit_group(0) = ? [pid 10173] <... setpgid resumed>) = 0 [pid 10175] setpgid(0, 0 [pid 10174] <... futex resumed>) = ? [pid 10173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10175] <... setpgid resumed>) = 0 [pid 10173] <... openat resumed>) = 3 [pid 10174] +++ exited with 0 +++ [pid 10167] +++ exited with 0 +++ [pid 10175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10173] write(3, "1000", 4 [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10167, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10173] <... write resumed>) = 4 [pid 10175] <... openat resumed>) = 3 [pid 10173] close(3 [pid 10175] write(3, "1000", 4 [pid 10173] <... close resumed>) = 0 [pid 10176] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10175] <... write resumed>) = 4 executing program executing program [pid 10173] write(1, "executing program\n", 18 [pid 10175] close(3 [pid 10173] <... write resumed>) = 18 [pid 10176] setpgid(0, 0 [pid 10175] <... close resumed>) = 0 [pid 10176] <... setpgid resumed>) = 0 [pid 10173] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10175] write(1, "executing program\n", 18 [pid 10173] <... futex resumed>) = 0 [pid 10175] <... write resumed>) = 18 [pid 10173] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10175] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10173] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10175] <... futex resumed>) = 0 [pid 10176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10173] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10175] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10173] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10175] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10173] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10176] <... openat resumed>) = 3 [pid 10175] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10176] write(3, "1000", 4 [pid 10173] <... mmap resumed>) = 0x7f70b113b000 [pid 10175] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10176] <... write resumed>) = 4 [pid 10173] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10175] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10176] close(3 [pid 10173] <... mprotect resumed>) = 0 [pid 10176] <... close resumed>) = 0 [pid 10175] <... mmap resumed>) = 0x7f70b113b000 [pid 10176] write(1, "executing program\n", 18 [pid 10175] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE executing program [pid 10173] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10175] <... mprotect resumed>) = 0 [pid 10173] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10176] <... write resumed>) = 18 [pid 10173] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10175] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 ./strace-static-x86_64: Process 10177 attached [pid 10177] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10177] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10177] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10175] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10173] <... clone3 resumed> => {parent_tid=[10177]}, 88) = 10177 [pid 10176] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10173] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10173] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10176] <... futex resumed>) = 0 [pid 10175] <... clone3 resumed> => {parent_tid=[10178]}, 88) = 10178 [pid 10173] <... futex resumed>) = 1 [pid 10177] <... futex resumed>) = 0 [pid 10175] rt_sigprocmask(SIG_SETMASK, [], [pid 10176] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10175] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10173] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10176] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10175] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10176] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10175] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 551] <... restart_syscall resumed>) = 0 [pid 10176] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10176] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10178 attached [pid 10177] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10176] <... mmap resumed>) = 0x7f70b113b000 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10179 ./strace-static-x86_64: Process 10179 attached [pid 10178] set_robust_list(0x7f70b115b9a0, 24 [pid 10177] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10176] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 553] <... restart_syscall resumed>) = 0 [pid 10178] <... set_robust_list resumed>) = 0 [pid 10177] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10176] <... mprotect resumed>) = 0 [pid 10177] <... futex resumed>) = 1 [pid 10173] <... futex resumed>) = 0 [pid 10173] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10176] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10173] <... futex resumed>) = 0 [pid 10173] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10177] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10176] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10177] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10178] rt_sigprocmask(SIG_SETMASK, [], [pid 10176] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10179] set_robust_list(0x55556dd196a0, 24 [pid 10177] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10173] <... futex resumed>) = 0 [pid 10173] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10177] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10176] <... clone3 resumed> => {parent_tid=[10181]}, 88) = 10181 [pid 10173] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10180 ./strace-static-x86_64: Process 10180 attached ./strace-static-x86_64: Process 10181 attached [pid 10181] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10181] rt_sigprocmask(SIG_SETMASK, [], [pid 10180] set_robust_list(0x55556dd196a0, 24 [pid 10181] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10181] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10180] <... set_robust_list resumed>) = 0 [pid 10180] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10177] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10176] rt_sigprocmask(SIG_SETMASK, [], [pid 10180] setpgid(0, 0) = 0 [pid 10180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10177] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10176] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10179] <... set_robust_list resumed>) = 0 [pid 10178] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10180] <... openat resumed>) = 3 [pid 10180] write(3, "1000", 4) = 4 executing program [pid 10180] close(3) = 0 [pid 10180] write(1, "executing program\n", 18) = 18 [pid 10180] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10180] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10180] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10180] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10180] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10180] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10180] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10182]}, 88) = 10182 [pid 10180] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10180] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10180] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10182 attached [pid 10182] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10182] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10182] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10177] <... futex resumed>) = 1 [pid 10176] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10173] <... futex resumed>) = 0 [pid 10173] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10173] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10177] write(-1, "0x0000000000000001", 18 [pid 10176] <... futex resumed>) = 1 [pid 10177] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10178] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10177] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10176] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10178] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10177] <... futex resumed>) = 0 [pid 10181] <... futex resumed>) = 0 [pid 10178] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10177] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10173] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10181] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10173] exit_group(0 [pid 10178] <... futex resumed>) = 1 [pid 10175] <... futex resumed>) = 0 [pid 10181] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10178] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10177] <... futex resumed>) = ? [pid 10175] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10173] <... exit_group resumed>) = ? [pid 10175] <... futex resumed>) = 0 [pid 10181] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10179] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10178] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10177] +++ exited with 0 +++ [pid 10175] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10173] +++ exited with 0 +++ [pid 10178] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10181] <... futex resumed>) = 1 [pid 10176] <... futex resumed>) = 0 [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10173, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10178] <... futex resumed>) = 1 [pid 10176] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10175] <... futex resumed>) = 0 [pid 10178] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10176] <... futex resumed>) = 0 [pid 10175] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10181] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10176] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10175] <... futex resumed>) = 0 [pid 10178] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10175] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10181] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10178] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10181] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10183 attached [pid 10181] <... futex resumed>) = 1 [pid 10179] <... prctl resumed>) = 0 [pid 10178] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10176] <... futex resumed>) = 0 [pid 10178] <... futex resumed>) = 1 [pid 10175] <... futex resumed>) = 0 [pid 10178] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10175] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10175] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10181] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10176] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10183 [pid 10181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10178] write(-1, "0x0000000000000001", 18 [pid 10176] <... futex resumed>) = 0 [pid 10181] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10176] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10181] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10181] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10176] <... futex resumed>) = 0 [pid 10181] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10176] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10176] <... futex resumed>) = 0 [pid 10181] write(-1, "0x0000000000000001", 18 [pid 10176] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10181] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10181] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10178] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10176] <... futex resumed>) = 0 [pid 10181] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10179] setpgid(0, 0 [pid 10178] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10176] exit_group(0 [pid 10181] <... futex resumed>) = ? [pid 10176] <... exit_group resumed>) = ? [pid 10183] set_robust_list(0x55556dd196a0, 24 [pid 10181] +++ exited with 0 +++ [pid 10179] <... setpgid resumed>) = 0 [pid 10178] <... futex resumed>) = 1 [pid 10176] +++ exited with 0 +++ [pid 10175] <... futex resumed>) = 0 [pid 10178] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10175] exit_group(0) = ? [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10176, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10182] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10178] <... futex resumed>) = ? [pid 10182] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10180] <... futex resumed>) = 0 [pid 10180] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10180] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10182] <... futex resumed>) = 1 [pid 10182] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10178] +++ exited with 0 +++ [pid 10175] +++ exited with 0 +++ [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10175, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10182] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 10182] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10180] <... futex resumed>) = 0 [pid 10180] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10180] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10182] <... futex resumed>) = 1 [pid 10182] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10182] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10180] <... futex resumed>) = 0 [pid 10180] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10180] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10182] <... futex resumed>) = 1 [pid 10182] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10182] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10180] <... futex resumed>) = 0 [pid 10180] exit_group(0) = ? [pid 10179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10182] <... futex resumed>) = ? [pid 10183] <... set_robust_list resumed>) = 0 [pid 10182] +++ exited with 0 +++ [pid 10180] +++ exited with 0 +++ [pid 10179] <... openat resumed>) = 3 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10180, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10179] write(3, "1000", 4 [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10179] <... write resumed>) = 4 [pid 10179] close(3) = 0 executing program [pid 10179] write(1, "executing program\n", 18) = 18 [pid 10183] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10179] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10183] <... prctl resumed>) = 0 [pid 10179] <... futex resumed>) = 0 [pid 10179] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10183] setpgid(0, 0) = 0 [pid 10179] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10179] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10179] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10179] <... mmap resumed>) = 0x7f70b113b000 [pid 10179] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10179] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10183] <... openat resumed>) = 3 [pid 10179] <... rt_sigprocmask resumed>[], 8) = 0 [pid 555] <... restart_syscall resumed>) = 0 executing program [pid 554] <... restart_syscall resumed>) = 0 [pid 553] <... restart_syscall resumed>) = 0 [pid 10179] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10183] write(3, "1000", 4 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10183] <... write resumed>) = 4 [pid 10183] close(3) = 0 [pid 10183] write(1, "executing program\n", 18) = 18 [pid 10183] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10183] <... futex resumed>) = 0 [pid 10183] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10183] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10183] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10183] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10183] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10185 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10186 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10187 [pid 10179] <... clone3 resumed> => {parent_tid=[10184]}, 88) = 10184 [pid 10179] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10183] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10179] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10183] <... clone3 resumed> => {parent_tid=[10188]}, 88) = 10188 [pid 10183] rt_sigprocmask(SIG_SETMASK, [], [pid 10179] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10183] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10183] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10183] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10185 attached [pid 10185] set_robust_list(0x55556dd196a0, 24./strace-static-x86_64: Process 10187 attached ) = 0 [pid 10185] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10185] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 10186 attached [pid 10187] set_robust_list(0x55556dd196a0, 24 [pid 10185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10185] write(3, "1000", 4) = 4 [pid 10185] close(3executing program ) = 0 [pid 10185] write(1, "executing program\n", 18) = 18 [pid 10185] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10185] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10185] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10185] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10185] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10185] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10185] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10189]}, 88) = 10189 [pid 10185] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10185] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10185] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10188 attached [pid 10188] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10188] rt_sigprocmask(SIG_SETMASK, [], [pid 10187] <... set_robust_list resumed>) = 0 [pid 10188] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10186] set_robust_list(0x55556dd196a0, 24 [pid 10188] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10187] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10186] <... set_robust_list resumed>) = 0 [pid 10188] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10188] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10183] <... futex resumed>) = 0 [pid 10183] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10183] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10188] <... futex resumed>) = 1 [pid 10188] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10187] <... prctl resumed>) = 0 [pid 10188] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10186] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10187] setpgid(0, 0 [pid 10188] <... futex resumed>) = 1 [pid 10183] <... futex resumed>) = 0 [pid 10188] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10183] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10188] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10183] <... futex resumed>) = 0 [pid 10188] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10183] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10188] <... futex resumed>) = 0 [pid 10183] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10188] write(-1, "0x0000000000000001", 18 [pid 10183] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10184 attached [pid 10188] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10187] <... setpgid resumed>) = 0 [pid 10186] <... prctl resumed>) = 0 [pid 10183] <... futex resumed>) = 0 [pid 10188] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10183] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10188] <... futex resumed>) = 0 [pid 10183] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10188] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10183] exit_group(0 [pid 10188] <... futex resumed>) = ? [pid 10183] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 10189 attached [pid 10187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10186] setpgid(0, 0 [pid 10184] set_robust_list(0x7f70b115b9a0, 24 [pid 10189] set_robust_list(0x7f70b115b9a0, 24 [pid 10188] +++ exited with 0 +++ [pid 10187] <... openat resumed>) = 3 [pid 10186] <... setpgid resumed>) = 0 [pid 10183] +++ exited with 0 +++ [pid 10187] write(3, "1000", 4 [pid 10184] <... set_robust_list resumed>) = 0 [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10183, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10187] <... write resumed>) = 4 [pid 10186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10184] rt_sigprocmask(SIG_SETMASK, [], [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10187] close(3 [pid 10189] <... set_robust_list resumed>) = 0 [pid 10189] rt_sigprocmask(SIG_SETMASK, [], [pid 10186] <... openat resumed>) = 3 [pid 10187] <... close resumed>) = 0 [pid 10184] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 10186] write(3, "1000", 4 [pid 10187] write(1, "executing program\n", 18 [pid 10186] <... write resumed>) = 4 [pid 10184] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10187] <... write resumed>) = 18 [pid 10186] close(3 [pid 10189] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10187] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10186] <... close resumed>) = 0 executing program [pid 10187] <... futex resumed>) = 0 [pid 10186] write(1, "executing program\n", 18 [pid 10184] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10187] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10186] <... write resumed>) = 18 [pid 10187] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10184] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10187] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10186] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10187] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10179] <... futex resumed>) = 0 [pid 10187] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10186] <... futex resumed>) = 0 [pid 10184] <... futex resumed>) = 1 [pid 10187] <... mmap resumed>) = 0x7f70b113b000 [pid 10186] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10179] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10187] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10186] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10184] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10179] <... futex resumed>) = 0 [pid 10187] <... mprotect resumed>) = 0 [pid 10186] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10179] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10189] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10186] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10189] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10189] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10187] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10186] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10187] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10184] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10187] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10186] <... mmap resumed>) = 0x7f70b113b000 [pid 10189] <... futex resumed>) = 1 [pid 10185] <... futex resumed>) = 0 [pid 552] <... restart_syscall resumed>) = 0 [pid 10189] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10186] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10185] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10189] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10187] <... clone3 resumed> => {parent_tid=[10190]}, 88) = 10190 [pid 10186] <... mprotect resumed>) = 0 [pid 10185] <... futex resumed>) = 0 [pid 10184] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10190 attached [pid 10189] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10187] rt_sigprocmask(SIG_SETMASK, [], [pid 10185] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10190] set_robust_list(0x7f70b115b9a0, 24 [pid 10189] <... futex resumed>) = 0 [pid 10187] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10186] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10185] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10184] <... futex resumed>) = 1 [pid 10179] <... futex resumed>) = 0 ./strace-static-x86_64: Process 10191 attached [pid 10189] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10187] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10186] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10185] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10179] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10184] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10191] set_robust_list(0x55556dd196a0, 24 [pid 10189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10187] <... futex resumed>) = 0 [pid 10186] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10185] <... futex resumed>) = 0 [pid 10179] <... futex resumed>) = 0 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10191 [pid 10184] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10191] <... set_robust_list resumed>) = 0 [pid 10189] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10187] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10185] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10179] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10184] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10191] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10189] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10186] <... clone3 resumed> => {parent_tid=[10192]}, 88) = 10192 [pid 10191] <... prctl resumed>) = 0 [pid 10189] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10186] rt_sigprocmask(SIG_SETMASK, [], [pid 10184] <... futex resumed>) = 0 [pid 10179] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10191] setpgid(0, 0 [pid 10189] <... futex resumed>) = 1 [pid 10186] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10185] <... futex resumed>) = 0 [pid 10184] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10179] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10191] <... setpgid resumed>) = 0 [pid 10189] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10186] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10185] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10179] <... futex resumed>) = 0 ./strace-static-x86_64: Process 10192 attached [pid 10191] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10190] <... set_robust_list resumed>) = 0 [pid 10189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10186] <... futex resumed>) = 0 [pid 10185] <... futex resumed>) = 0 [pid 10184] write(-1, "0x0000000000000001", 18 [pid 10179] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10192] set_robust_list(0x7f70b115b9a0, 24 [pid 10190] rt_sigprocmask(SIG_SETMASK, [], [pid 10189] write(-1, "0x0000000000000001", 18 [pid 10186] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10185] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10184] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10192] <... set_robust_list resumed>) = 0 [pid 10190] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10189] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10184] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10192] rt_sigprocmask(SIG_SETMASK, [], [pid 10190] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10189] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10184] <... futex resumed>) = 1 [pid 10179] <... futex resumed>) = 0 [pid 10192] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10190] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10189] <... futex resumed>) = 1 [pid 10185] <... futex resumed>) = 0 [pid 10184] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10179] exit_group(0 [pid 10192] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10191] <... openat resumed>) = 3 [pid 10190] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10189] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10185] exit_group(0 [pid 10184] <... futex resumed>) = ? [pid 10179] <... exit_group resumed>) = ? [pid 10192] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10191] write(3, "1000", 4 [pid 10190] <... futex resumed>) = 1 [pid 10189] <... futex resumed>) = ? [pid 10187] <... futex resumed>) = 0 [pid 10185] <... exit_group resumed>) = ? [pid 10184] +++ exited with 0 +++ [pid 10192] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10191] <... write resumed>) = 4 [pid 10190] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10189] +++ exited with 0 +++ [pid 10187] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10179] +++ exited with 0 +++ [pid 10192] <... futex resumed>) = 1 [pid 10190] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10187] <... futex resumed>) = 0 [pid 10186] <... futex resumed>) = 0 [pid 10192] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10191] close(3 [pid 10190] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10187] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10186] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10185] +++ exited with 0 +++ [pid 10192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10190] <... futex resumed>) = 0 [pid 10187] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10186] <... futex resumed>) = 0 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10185, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10179, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10192] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10191] <... close resumed>) = 0 [pid 10190] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10187] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10186] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10192] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10191] write(1, "executing program\n", 18 [pid 10190] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 10187] <... futex resumed>) = 0 [pid 10192] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10190] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10187] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10192] <... futex resumed>) = 1 [pid 10191] <... write resumed>) = 18 [pid 10190] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10186] <... futex resumed>) = 0 [pid 10192] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10190] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10186] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10190] <... futex resumed>) = 1 [pid 10187] <... futex resumed>) = 0 [pid 10186] <... futex resumed>) = 0 [pid 10192] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10190] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10187] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10186] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10192] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10190] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10187] <... futex resumed>) = 0 [pid 10192] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10190] write(-1, "0x0000000000000001", 18 [pid 10187] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10192] <... futex resumed>) = 1 [pid 10190] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10186] <... futex resumed>) = 0 [pid 10192] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10190] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10186] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10190] <... futex resumed>) = 1 [pid 10187] <... futex resumed>) = 0 [pid 10186] <... futex resumed>) = 0 [pid 10192] write(-1, "0x0000000000000001", 18 [pid 10190] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10187] exit_group(0 [pid 10186] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10192] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10190] <... futex resumed>) = ? [pid 10187] <... exit_group resumed>) = ? [pid 10192] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10191] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10190] +++ exited with 0 +++ [pid 10191] <... futex resumed>) = 0 [pid 10191] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10191] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10187] +++ exited with 0 +++ [pid 10191] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10192] <... futex resumed>) = 1 [pid 10191] <... mmap resumed>) = 0x7f70b113b000 [pid 10186] <... futex resumed>) = 0 [pid 10191] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10192] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10191] <... mprotect resumed>) = 0 [pid 10186] exit_group(0 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10187, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10192] <... futex resumed>) = ? [pid 10191] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10186] <... exit_group resumed>) = ? [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 551] <... restart_syscall resumed>) = 0 [pid 10192] +++ exited with 0 +++ [pid 10191] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10191] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10191] <... clone3 resumed> => {parent_tid=[10193]}, 88) = 10193 [pid 10186] +++ exited with 0 +++ [pid 10191] rt_sigprocmask(SIG_SETMASK, [], [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10194 [pid 10191] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10186, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10191] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 10191] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10193 attached [pid 555] <... restart_syscall resumed>) = 0 [pid 10193] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10193] rt_sigprocmask(SIG_SETMASK, [], [pid 554] <... restart_syscall resumed>) = 0 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 553] <... restart_syscall resumed>) = 0 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10195 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10196 [pid 10193] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10193] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10193] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10197 [pid 10191] <... futex resumed>) = 0 [pid 10191] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10191] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10193] <... futex resumed>) = 1 [pid 10193] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10193] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10191] <... futex resumed>) = 0 [pid 10191] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10191] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10193] <... futex resumed>) = 1 [pid 10193] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10193] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10191] <... futex resumed>) = 0 [pid 10191] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10191] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10193] <... futex resumed>) = 1 [pid 10193] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10193] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10191] <... futex resumed>) = 0 [pid 10191] exit_group(0) = ? [pid 10193] <... futex resumed>) = ? ./strace-static-x86_64: Process 10197 attached ./strace-static-x86_64: Process 10194 attached [pid 10197] set_robust_list(0x55556dd196a0, 24 [pid 10194] set_robust_list(0x55556dd196a0, 24 [pid 10197] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 10195 attached [pid 10193] +++ exited with 0 +++ [pid 10191] +++ exited with 0 +++ [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10191, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10197] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 552] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 10196 attached [pid 10196] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10196] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10196] setpgid(0, 0) = 0 executing program [pid 10197] <... prctl resumed>) = 0 [pid 10196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10195] set_robust_list(0x55556dd196a0, 24 [pid 10196] <... openat resumed>) = 3 [pid 10196] write(3, "1000", 4) = 4 [pid 10196] close(3) = 0 [pid 10196] write(1, "executing program\n", 18) = 18 [pid 10196] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10196] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10196] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10196] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10196] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10196] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10197] setpgid(0, 0 [pid 10195] <... set_robust_list resumed>) = 0 [pid 10194] <... set_robust_list resumed>) = 0 [pid 10196] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10196] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10198]}, 88) = 10198 [pid 10197] <... setpgid resumed>) = 0 [pid 10196] rt_sigprocmask(SIG_SETMASK, [], [pid 10194] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10196] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10196] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10196] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10195] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10194] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 10198 attached [pid 10197] <... openat resumed>) = 3 [pid 10195] <... prctl resumed>) = 0 [pid 10194] setpgid(0, 0 [pid 10198] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10198] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10198] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10195] setpgid(0, 0 [pid 10197] write(3, "1000", 4 [pid 10194] <... setpgid resumed>) = 0 [pid 10198] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10198] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10196] <... futex resumed>) = 0 [pid 10196] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10196] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10198] <... futex resumed>) = 1 [pid 10198] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10198] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10196] <... futex resumed>) = 0 [pid 10196] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10196] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10198] <... futex resumed>) = 1 [pid 10198] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10198] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10196] <... futex resumed>) = 0 [pid 10196] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10196] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10198] <... futex resumed>) = 1 [pid 10198] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10198] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10196] <... futex resumed>) = 0 [pid 10196] exit_group(0) = ? [pid 10195] <... setpgid resumed>) = 0 [pid 10198] <... futex resumed>) = ? [pid 10194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10197] <... write resumed>) = 4 [pid 10194] <... openat resumed>) = 3 [pid 10195] <... openat resumed>) = 3 [pid 10197] close(3 [pid 10195] write(3, "1000", 4 [pid 10194] write(3, "1000", 4executing program executing program [pid 10197] <... close resumed>) = 0 [pid 10195] <... write resumed>) = 4 [pid 10194] <... write resumed>) = 4 [pid 10197] write(1, "executing program\n", 18 [pid 10195] close(3 [pid 10197] <... write resumed>) = 18 [pid 10194] close(3 [pid 10195] <... close resumed>) = 0 [pid 10197] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10195] write(1, "executing program\n", 18executing program [pid 10197] <... futex resumed>) = 0 [pid 10195] <... write resumed>) = 18 [pid 10194] <... close resumed>) = 0 [pid 10197] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10195] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10194] write(1, "executing program\n", 18 [pid 10197] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10195] <... futex resumed>) = 0 [pid 10197] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10195] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10194] <... write resumed>) = 18 [pid 10197] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10195] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10194] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10197] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10195] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10194] <... futex resumed>) = 0 [pid 10197] <... mmap resumed>) = 0x7f70b113b000 [pid 10195] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10194] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10197] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10195] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10194] <... rt_sigaction resumed>NULL, 8) = 0 [pid 552] <... restart_syscall resumed>) = 0 [pid 10197] <... mprotect resumed>) = 0 [pid 10195] <... mmap resumed>) = 0x7f70b113b000 [pid 10194] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10197] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10195] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10194] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10197] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10195] <... mprotect resumed>) = 0 [pid 10194] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10197] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10195] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10194] <... mmap resumed>) = 0x7f70b113b000 [pid 10194] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10199 [pid 10195] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10194] <... mprotect resumed>) = 0 [pid 10197] <... clone3 resumed> => {parent_tid=[10200]}, 88) = 10200 [pid 10195] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10197] rt_sigprocmask(SIG_SETMASK, [], [pid 10194] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 10200 attached [pid 10200] set_robust_list(0x7f70b115b9a0, 24 [pid 10197] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10194] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10197] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10195] <... clone3 resumed> => {parent_tid=[10201]}, 88) = 10201 [pid 10194] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10197] <... futex resumed>) = 0 [pid 10195] rt_sigprocmask(SIG_SETMASK, [], [pid 10200] <... set_robust_list resumed>) = 0 [pid 10200] rt_sigprocmask(SIG_SETMASK, [], [pid 10197] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10195] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10194] <... clone3 resumed> => {parent_tid=[10202]}, 88) = 10202 [pid 10198] +++ exited with 0 +++ [pid 10196] +++ exited with 0 +++ [pid 10195] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10194] rt_sigprocmask(SIG_SETMASK, [], [pid 10195] <... futex resumed>) = 0 [pid 10194] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10195] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10194] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10196, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10194] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10200] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10200] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10200] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10197] <... futex resumed>) = 0 [pid 10200] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10197] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10200] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10197] <... futex resumed>) = 0 [pid 10200] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10197] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10200] <... futex resumed>) = 0 [pid 10197] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10200] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10197] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10197] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10200] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10200] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10197] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10200] <... futex resumed>) = 0 [pid 10197] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10197] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10200] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10200] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10200] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10197] <... futex resumed>) = 0 ./strace-static-x86_64: Process 10199 attached [pid 10197] exit_group(0) = ? [pid 10200] <... futex resumed>) = ? ./strace-static-x86_64: Process 10201 attached ./strace-static-x86_64: Process 10202 attached [pid 10201] set_robust_list(0x7f70b115b9a0, 24 [pid 10202] set_robust_list(0x7f70b115b9a0, 24 [pid 10199] set_robust_list(0x55556dd196a0, 24 [pid 10201] <... set_robust_list resumed>) = 0 [pid 10202] <... set_robust_list resumed>) = 0 [pid 10199] <... set_robust_list resumed>) = 0 [pid 10200] +++ exited with 0 +++ [pid 10197] +++ exited with 0 +++ [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10197, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10201] rt_sigprocmask(SIG_SETMASK, [], [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10201] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10201] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10201] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10195] <... futex resumed>) = 0 [pid 10195] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10195] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10201] <... futex resumed>) = 1 [pid 10201] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10201] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10195] <... futex resumed>) = 0 [pid 10195] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10195] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10201] <... futex resumed>) = 1 [pid 10201] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10201] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10195] <... futex resumed>) = 0 [pid 10195] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10195] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10201] <... futex resumed>) = 1 [pid 10201] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10201] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10195] <... futex resumed>) = 0 [pid 10195] exit_group(0) = ? [pid 10202] rt_sigprocmask(SIG_SETMASK, [], [pid 10201] <... futex resumed>) = ? [pid 10199] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10202] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10199] <... prctl resumed>) = 0 [pid 10202] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10201] +++ exited with 0 +++ [pid 10195] +++ exited with 0 +++ [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10195, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 10202] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10194] <... futex resumed>) = 0 [pid 10194] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10194] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10202] <... futex resumed>) = 1 [pid 10202] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10199] setpgid(0, 0 [pid 10202] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10194] <... futex resumed>) = 0 [pid 10194] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10194] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10202] <... futex resumed>) = 1 [pid 10202] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10199] <... setpgid resumed>) = 0 [pid 10199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10202] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10202] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10194] <... futex resumed>) = 0 [pid 10194] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10194] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10202] <... futex resumed>) = 1 [pid 10202] write(-1, "0x0000000000000001", 18 [pid 10199] <... openat resumed>) = 3 [pid 10202] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10199] write(3, "1000", 4) = 4 [pid 10199] close(3) = 0 [pid 10199] write(1, "executing program\n", 18executing program [pid 10202] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10199] <... write resumed>) = 18 [pid 10202] <... futex resumed>) = 1 [pid 10194] <... futex resumed>) = 0 [pid 10199] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10194] exit_group(0) = ? [pid 10199] <... futex resumed>) = 0 [pid 10199] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10199] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10199] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10199] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 553] <... restart_syscall resumed>) = 0 [pid 555] <... restart_syscall resumed>) = 0 [pid 554] <... restart_syscall resumed>) = 0 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10203 attached [pid 10202] +++ exited with 0 +++ [pid 10194] +++ exited with 0 +++ [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10203 [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10194, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10203] set_robust_list(0x55556dd196a0, 24 [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10199] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10199] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10205]}, 88) = 10205 ./strace-static-x86_64: Process 10206 attached ./strace-static-x86_64: Process 10204 attached [pid 10203] <... set_robust_list resumed>) = 0 [pid 10199] rt_sigprocmask(SIG_SETMASK, [], [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10204 [pid 10199] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10199] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10206 [pid 10203] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10206] set_robust_list(0x55556dd196a0, 24 [pid 10203] <... prctl resumed>) = 0 [pid 10206] <... set_robust_list resumed>) = 0 [pid 10204] set_robust_list(0x55556dd196a0, 24./strace-static-x86_64: Process 10205 attached [pid 10203] setpgid(0, 0 [pid 10199] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 551] <... restart_syscall resumed>) = 0 [pid 10206] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10204] <... set_robust_list resumed>) = 0 [pid 10203] <... setpgid resumed>) = 0 [pid 10206] <... prctl resumed>) = 0 [pid 10203] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10204] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10206] setpgid(0, 0 [pid 10205] set_robust_list(0x7f70b115b9a0, 24 [pid 10204] <... prctl resumed>) = 0 [pid 10203] <... openat resumed>) = 3 ./strace-static-x86_64: Process 10207 attached [pid 10203] write(3, "1000", 4 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10207 [pid 10207] set_robust_list(0x55556dd196a0, 24 [pid 10203] <... write resumed>) = 4 [pid 10207] <... set_robust_list resumed>) = 0 [pid 10203] close(3executing program [pid 10207] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10203] <... close resumed>) = 0 [pid 10203] write(1, "executing program\n", 18) = 18 [pid 10203] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10203] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10203] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10203] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10207] <... prctl resumed>) = 0 [pid 10203] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10207] setpgid(0, 0 [pid 10206] <... setpgid resumed>) = 0 [pid 10205] <... set_robust_list resumed>) = 0 [pid 10204] setpgid(0, 0 [pid 10203] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10203] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10206] <... openat resumed>) = 3 executing program [pid 10203] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10206] write(3, "1000", 4) = 4 [pid 10206] close(3) = 0 [pid 10206] write(1, "executing program\n", 18) = 18 [pid 10206] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10203] <... clone3 resumed> => {parent_tid=[10208]}, 88) = 10208 [pid 10206] <... futex resumed>) = 0 [pid 10203] rt_sigprocmask(SIG_SETMASK, [], [pid 10206] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10203] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10206] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10206] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10203] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10206] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10203] <... futex resumed>) = 0 [pid 10206] <... mmap resumed>) = 0x7f70b113b000 [pid 10203] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10207] <... setpgid resumed>) = 0 [pid 10206] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10204] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 10208 attached [pid 10207] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10206] <... mprotect resumed>) = 0 [pid 10205] rt_sigprocmask(SIG_SETMASK, [], [pid 10204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10208] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10206] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10205] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10204] <... openat resumed>) = 3 [pid 10206] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10204] write(3, "1000", 4 [pid 10206] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10204] <... write resumed>) = 4 [pid 10208] rt_sigprocmask(SIG_SETMASK, [], [pid 10207] <... openat resumed>) = 3 [pid 10204] close(3 [pid 10205] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10206] <... clone3 resumed> => {parent_tid=[10209]}, 88) = 10209 [pid 10204] <... close resumed>) = 0 executing program [pid 10206] rt_sigprocmask(SIG_SETMASK, [], [pid 10204] write(1, "executing program\n", 18 [pid 10206] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10204] <... write resumed>) = 18 [pid 10206] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10204] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10206] <... futex resumed>) = 0 [pid 10204] <... futex resumed>) = 0 [pid 10206] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10204] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10204] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10204] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10204] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 10209 attached [pid 10208] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10207] write(3, "1000", 4 [pid 10205] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10204] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10204] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10207] <... write resumed>) = 4 [pid 10208] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10204] <... clone3 resumed> => {parent_tid=[10210]}, 88) = 10210 [pid 10204] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10204] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10204] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10210 attached [pid 10210] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10210] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10210] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10210] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10204] <... futex resumed>) = 0 [pid 10204] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10204] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10210] <... futex resumed>) = 1 [pid 10210] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10208] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10207] close(3 [pid 10210] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10204] <... futex resumed>) = 0 [pid 10204] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10204] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10207] <... close resumed>) = 0 [pid 10210] <... futex resumed>) = 1 [pid 10210] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10210] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10204] <... futex resumed>) = 0 [pid 10204] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10204] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10210] <... futex resumed>) = 1 [pid 10210] write(-1, "0x0000000000000001", 18 [pid 10207] write(1, "executing program\n", 18 [pid 10209] set_robust_list(0x7f70b115b9a0, 24 [pid 10208] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10205] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10210] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10210] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 10204] <... futex resumed>) = 0 [pid 10204] exit_group(0) = ? [pid 10210] <... futex resumed>) = ? [pid 10207] <... write resumed>) = 18 [pid 10205] <... futex resumed>) = 1 [pid 10203] <... futex resumed>) = 0 [pid 10208] <... futex resumed>) = 1 [pid 10207] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10205] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10203] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10199] <... futex resumed>) = 0 [pid 10208] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10207] <... futex resumed>) = 0 [pid 10203] <... futex resumed>) = 0 [pid 10203] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10207] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10199] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10208] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10199] <... futex resumed>) = 1 [pid 10207] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10199] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10208] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10207] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10208] <... futex resumed>) = 1 [pid 10207] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10203] <... futex resumed>) = 0 [pid 10208] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10207] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10203] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10207] <... mmap resumed>) = 0x7f70b113b000 [pid 10205] <... futex resumed>) = 0 [pid 10203] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10208] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10207] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10205] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10207] <... mprotect resumed>) = 0 [pid 10205] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10208] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10209] <... set_robust_list resumed>) = 0 [pid 10205] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10199] <... futex resumed>) = 0 [pid 10205] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10199] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10205] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10199] <... futex resumed>) = 0 [pid 10205] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10199] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10205] <... futex resumed>) = 0 [pid 10199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10208] <... futex resumed>) = 1 [pid 10207] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10205] write(-1, "0x0000000000000001", 18 [pid 10203] <... futex resumed>) = 0 [pid 10199] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10208] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10207] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10205] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10203] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10199] <... futex resumed>) = 0 [pid 10208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10207] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10205] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10203] <... futex resumed>) = 0 [pid 10199] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10208] write(-1, "0x0000000000000001", 18 [pid 10205] <... futex resumed>) = 0 [pid 10203] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10208] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10205] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10199] exit_group(0 [pid 10208] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10207] <... clone3 resumed> => {parent_tid=[10211]}, 88) = 10211 [pid 10205] <... futex resumed>) = ? [pid 10199] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 10211 attached [pid 10210] +++ exited with 0 +++ [pid 10209] rt_sigprocmask(SIG_SETMASK, [], [pid 10208] <... futex resumed>) = 1 [pid 10207] rt_sigprocmask(SIG_SETMASK, [], [pid 10205] +++ exited with 0 +++ [pid 10204] +++ exited with 0 +++ [pid 10203] <... futex resumed>) = 0 [pid 10199] +++ exited with 0 +++ [pid 10208] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10207] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10203] exit_group(0 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10204, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10199, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10208] <... futex resumed>) = ? [pid 10207] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10203] <... exit_group resumed>) = ? [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10208] +++ exited with 0 +++ [pid 10207] <... futex resumed>) = 0 [pid 10211] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10211] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10211] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10211] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10211] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10203] +++ exited with 0 +++ [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10203, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10207] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10207] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10207] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10211] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10207] <... futex resumed>) = 0 [pid 10207] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10211] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10211] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10207] <... futex resumed>) = 0 [pid 10211] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10209] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10207] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10207] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10209] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10211] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10211] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10211] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10207] <... futex resumed>) = 0 [pid 10209] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10207] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10209] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10207] <... futex resumed>) = 0 [pid 10209] <... futex resumed>) = 1 [pid 10207] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10206] <... futex resumed>) = 0 [pid 10209] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10206] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10206] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10211] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10211] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10207] <... futex resumed>) = 0 [pid 10209] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10207] exit_group(0 [pid 10209] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10207] <... exit_group resumed>) = ? [pid 10211] +++ exited with 0 +++ [pid 10209] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10207] +++ exited with 0 +++ [pid 10209] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10207, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10209] <... futex resumed>) = 1 [pid 10206] <... futex resumed>) = 0 [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10206] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10209] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10206] <... futex resumed>) = 0 [pid 10206] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10209] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10209] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10206] <... futex resumed>) = 0 [pid 10206] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10206] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10209] <... futex resumed>) = 1 [pid 10209] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10209] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10206] <... futex resumed>) = 0 [pid 10209] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10206] exit_group(0 [pid 10209] <... futex resumed>) = ? [pid 10206] <... exit_group resumed>) = ? [pid 10209] +++ exited with 0 +++ [pid 10206] +++ exited with 0 +++ [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10206, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 554] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 553] <... restart_syscall resumed>) = 0 [pid 552] <... restart_syscall resumed>) = 0 [pid 555] <... restart_syscall resumed>) = 0 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10212 attached [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 551] <... restart_syscall resumed>) = 0 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10212 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10213 ./strace-static-x86_64: Process 10213 attached [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10213] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10213] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10213] setpgid(0, 0) = 0 [pid 10213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 10213] write(3, "1000", 4) = 4 [pid 10213] close(3) = 0 [pid 10213] write(1, "executing program\n", 18) = 18 [pid 10213] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10213] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10213] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10213] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10213] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10215 [pid 10213] rt_sigprocmask(SIG_BLOCK, ~[], [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10214 [pid 10213] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10213] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10216]}, 88) = 10216 [pid 10213] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10213] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10213] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10217 ./strace-static-x86_64: Process 10214 attached [pid 10214] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10214] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10214] setpgid(0, 0./strace-static-x86_64: Process 10215 attached ) = 0 [pid 10214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10215] set_robust_list(0x55556dd196a0, 24 [pid 10212] set_robust_list(0x55556dd196a0, 24 [pid 10215] <... set_robust_list resumed>) = 0 [pid 10215] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 10217 attached ./strace-static-x86_64: Process 10216 attached [pid 10214] <... openat resumed>) = 3 [pid 10212] <... set_robust_list resumed>) = 0 [pid 10215] <... prctl resumed>) = 0 [pid 10215] setpgid(0, 0) = 0 [pid 10215] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10214] write(3, "1000", 4) = 4 [pid 10214] close(3 [pid 10212] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10214] <... close resumed>) = 0 executing program [pid 10214] write(1, "executing program\n", 18 [pid 10215] <... openat resumed>) = 3 [pid 10212] <... prctl resumed>) = 0 [pid 10214] <... write resumed>) = 18 [pid 10214] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10214] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10215] write(3, "1000", 4 [pid 10214] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10215] <... write resumed>) = 4 [pid 10214] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10215] close(3 [pid 10214] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10215] <... close resumed>) = 0 [pid 10214] <... mmap resumed>) = 0x7f70b113b000 executing program [pid 10215] write(1, "executing program\n", 18 [pid 10214] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10215] <... write resumed>) = 18 [pid 10214] <... mprotect resumed>) = 0 [pid 10215] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10214] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10215] <... futex resumed>) = 0 [pid 10214] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10212] setpgid(0, 0 [pid 10215] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10214] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0}./strace-static-x86_64: Process 10218 attached [pid 10217] set_robust_list(0x55556dd196a0, 24 [pid 10216] set_robust_list(0x7f70b115b9a0, 24 [pid 10215] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10212] <... setpgid resumed>) = 0 [pid 10215] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10214] <... clone3 resumed> => {parent_tid=[10218]}, 88) = 10218 [pid 10215] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10214] rt_sigprocmask(SIG_SETMASK, [], [pid 10215] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10214] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10215] <... mmap resumed>) = 0x7f70b113b000 [pid 10214] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10215] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10214] <... futex resumed>) = 0 [pid 10215] <... mprotect resumed>) = 0 [pid 10214] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10215] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10212] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10215] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10215] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10219]}, 88) = 10219 [pid 10215] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10215] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10212] <... openat resumed>) = 3 [pid 10217] <... set_robust_list resumed>) = 0 [pid 10215] <... futex resumed>) = 0 [pid 10215] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10219 attached [pid 10219] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10219] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10219] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10212] write(3, "1000", 4 [pid 10219] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10217] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10212] <... write resumed>) = 4 [pid 10219] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10215] <... futex resumed>) = 0 [pid 10215] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10215] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10219] <... futex resumed>) = 1 [pid 10219] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10219] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10215] <... futex resumed>) = 0 [pid 10217] <... prctl resumed>) = 0 [pid 10215] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10212] close(3 [pid 10215] <... futex resumed>) = 0 [pid 10215] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10219] <... futex resumed>) = 1 [pid 10219] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10219] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10215] <... futex resumed>) = 0 [pid 10215] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10215] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10219] <... futex resumed>) = 1 [pid 10219] write(-1, "0x0000000000000001", 18 [pid 10212] <... close resumed>) = 0 [pid 10217] setpgid(0, 0executing program [pid 10216] <... set_robust_list resumed>) = 0 [pid 10212] write(1, "executing program\n", 18 [pid 10219] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10212] <... write resumed>) = 18 [pid 10217] <... setpgid resumed>) = 0 [pid 10216] rt_sigprocmask(SIG_SETMASK, [], [pid 10212] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10212] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10216] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10212] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10217] <... openat resumed>) = 3 [pid 10212] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10217] write(3, "1000", 4 [pid 10216] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10212] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10219] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10212] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10217] <... write resumed>) = 4 [pid 10219] <... futex resumed>) = 1 executing program [pid 10216] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10215] <... futex resumed>) = 0 [pid 10212] <... mmap resumed>) = 0x7f70b113b000 [pid 10215] exit_group(0) = ? [pid 10212] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10217] close(3 [pid 10216] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10217] <... close resumed>) = 0 [pid 10212] <... mprotect resumed>) = 0 [pid 10217] write(1, "executing program\n", 18 [pid 10216] <... futex resumed>) = 1 [pid 10213] <... futex resumed>) = 0 [pid 10213] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10212] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10217] <... write resumed>) = 18 [pid 10216] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10213] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10212] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10217] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10212] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10217] <... futex resumed>) = 0 [pid 10216] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10217] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10216] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10217] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10212] <... clone3 resumed> => {parent_tid=[10220]}, 88) = 10220 [pid 10217] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10216] <... futex resumed>) = 1 [pid 10213] <... futex resumed>) = 0 [pid 10212] rt_sigprocmask(SIG_SETMASK, [], [pid 10217] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10216] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10213] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10212] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10217] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10213] <... futex resumed>) = 0 [pid 10212] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10217] <... mmap resumed>) = 0x7f70b113b000 [pid 10216] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10213] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10212] <... futex resumed>) = 0 [pid 10217] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10216] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10212] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10217] <... mprotect resumed>) = 0 [pid 10217] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10216] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10217] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10217] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10216] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10217] <... clone3 resumed> => {parent_tid=[10221]}, 88) = 10221 [pid 10216] <... futex resumed>) = 1 [pid 10213] <... futex resumed>) = 0 [pid 10217] rt_sigprocmask(SIG_SETMASK, [], [pid 10213] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10217] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10216] write(-1, "0x0000000000000001", 18 [pid 10213] <... futex resumed>) = 0 [pid 10217] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10213] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10217] <... futex resumed>) = 0 [pid 10216] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10219] +++ exited with 0 +++ [pid 10218] set_robust_list(0x7f70b115b9a0, 24 [pid 10217] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10216] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10215] +++ exited with 0 +++ [pid 10216] <... futex resumed>) = 1 [pid 10213] <... futex resumed>) = 0 [pid 10216] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10213] exit_group(0 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10215, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10213] <... exit_group resumed>) = ? [pid 10216] <... futex resumed>) = ? [pid 555] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 10220 attached [pid 10220] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10220] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10220] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10220] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10212] <... futex resumed>) = 0 [pid 10212] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10216] +++ exited with 0 +++ [pid 10213] +++ exited with 0 +++ [pid 10212] <... futex resumed>) = 0 [pid 10212] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10213, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10220] <... futex resumed>) = 1 [pid 10220] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10220] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10212] <... futex resumed>) = 0 [pid 10212] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10212] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10220] <... futex resumed>) = 1 [pid 10220] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10220] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10212] <... futex resumed>) = 0 [pid 10212] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10212] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10220] <... futex resumed>) = 1 [pid 10220] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10220] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10212] <... futex resumed>) = 0 [pid 10212] exit_group(0) = ? [pid 10218] <... set_robust_list resumed>) = 0 [pid 10220] <... futex resumed>) = ? [pid 10220] +++ exited with 0 +++ [pid 10218] rt_sigprocmask(SIG_SETMASK, [], [pid 10212] +++ exited with 0 +++ ./strace-static-x86_64: Process 10221 attached [pid 10218] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10212, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10221] set_robust_list(0x7f70b115b9a0, 24 [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10218] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10221] <... set_robust_list resumed>) = 0 [pid 10221] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10221] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10221] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10218] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10217] <... futex resumed>) = 0 [pid 10221] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10218] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10217] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10221] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10217] <... futex resumed>) = 0 [pid 10218] <... futex resumed>) = 1 [pid 10214] <... futex resumed>) = 0 [pid 10217] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10214] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10218] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10214] <... futex resumed>) = 0 [pid 10214] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10221] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10221] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10217] <... futex resumed>) = 0 [pid 10218] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10217] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10221] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10218] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10217] <... futex resumed>) = 0 [pid 10218] <... futex resumed>) = 1 [pid 10217] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10214] <... futex resumed>) = 0 [pid 10214] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10218] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10214] <... futex resumed>) = 0 [pid 10214] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10221] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10221] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10217] <... futex resumed>) = 0 [pid 10218] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10221] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10217] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10217] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10218] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10221] <... futex resumed>) = 0 [pid 10221] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10221] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10217] <... futex resumed>) = 0 [pid 10217] exit_group(0) = ? [pid 10218] <... futex resumed>) = 1 [pid 10214] <... futex resumed>) = 0 [pid 10214] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10218] write(-1, "0x0000000000000001", 18 [pid 10214] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 553] <... restart_syscall resumed>) = 0 [pid 552] <... restart_syscall resumed>) = 0 [pid 10218] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10221] <... futex resumed>) = ? [pid 10221] +++ exited with 0 +++ [pid 10218] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10217] +++ exited with 0 +++ [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10218] <... futex resumed>) = 1 [pid 10214] <... futex resumed>) = 0 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10222 attached [pid 10214] exit_group(0 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10222 [pid 10214] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 10223 attached [pid 10222] set_robust_list(0x55556dd196a0, 24 [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10217, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10223] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10223] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10218] +++ exited with 0 +++ [pid 10214] +++ exited with 0 +++ [pid 10223] <... prctl resumed>) = 0 [pid 10222] <... set_robust_list resumed>) = 0 [pid 555] <... restart_syscall resumed>) = 0 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10223 [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10214, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10223] setpgid(0, 0) = 0 [pid 551] <... restart_syscall resumed>) = 0 executing program [pid 10223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10223] <... openat resumed>) = 3 [pid 10223] write(3, "1000", 4) = 4 [pid 10223] close(3) = 0 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10224 [pid 10223] write(1, "executing program\n", 18) = 18 [pid 10223] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10223] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10223] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10225 [pid 10223] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10223] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10223] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10223] rt_sigprocmask(SIG_BLOCK, ~[], [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10226 [pid 10223] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10223] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10227]}, 88) = 10227 [pid 10223] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10223] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10223] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10224 attached [pid 10224] set_robust_list(0x55556dd196a0, 24 [pid 10222] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10224] <... set_robust_list resumed>) = 0 [pid 10224] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10224] setpgid(0, 0 [pid 10222] <... prctl resumed>) = 0 [pid 10224] <... setpgid resumed>) = 0 [pid 10224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 10226 attached [pid 10222] setpgid(0, 0 [pid 10224] <... openat resumed>) = 3 [pid 10222] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 10225 attached [pid 10226] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10226] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10224] write(3, "1000", 4) = 4 [pid 10224] close(3) = 0 [pid 10226] <... prctl resumed>) = 0 [pid 10226] setpgid(0, 0 [pid 10224] write(1, "executing program\n", 18executing program ) = 18 [pid 10226] <... setpgid resumed>) = 0 [pid 10224] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10224] <... futex resumed>) = 0 [pid 10224] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10222] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10224] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10224] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10226] <... openat resumed>) = 3 [pid 10224] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10224] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10222] <... openat resumed>) = 3 [pid 10226] write(3, "1000", 4) = 4 [pid 10224] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10226] close(3 [pid 10224] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10226] <... close resumed>) = 0 [pid 10222] write(3, "1000", 4 [pid 10225] set_robust_list(0x55556dd196a0, 24./strace-static-x86_64: Process 10228 attached ./strace-static-x86_64: Process 10227 attached [pid 10226] write(1, "executing program\n", 18 [pid 10224] <... clone3 resumed> => {parent_tid=[10228]}, 88) = 10228 [pid 10222] <... write resumed>) = 4 executing program [pid 10226] <... write resumed>) = 18 [pid 10224] rt_sigprocmask(SIG_SETMASK, [], [pid 10222] close(3 [pid 10226] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10224] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10222] <... close resumed>) = 0 executing program [pid 10227] set_robust_list(0x7f70b115b9a0, 24 [pid 10226] <... futex resumed>) = 0 [pid 10224] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10222] write(1, "executing program\n", 18 [pid 10227] <... set_robust_list resumed>) = 0 [pid 10226] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10224] <... futex resumed>) = 0 [pid 10222] <... write resumed>) = 18 [pid 10227] rt_sigprocmask(SIG_SETMASK, [], [pid 10226] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10224] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10222] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10227] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10226] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10222] <... futex resumed>) = 0 [pid 10227] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10226] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10222] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10227] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10226] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10222] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10227] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10226] <... mmap resumed>) = 0x7f70b113b000 [pid 10222] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10227] <... futex resumed>) = 1 [pid 10226] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10223] <... futex resumed>) = 0 [pid 10222] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10227] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10226] <... mprotect resumed>) = 0 [pid 10223] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10227] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10226] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10225] <... set_robust_list resumed>) = 0 [pid 10223] <... futex resumed>) = 0 [pid 10222] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10228] set_robust_list(0x7f70b115b9a0, 24 [pid 10227] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10226] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10223] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10222] <... mmap resumed>) = 0x7f70b113b000 [pid 10227] <... futex resumed>) = 0 [pid 10226] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10222] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 10229 attached [pid 10228] <... set_robust_list resumed>) = 0 [pid 10227] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10225] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10223] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10222] <... mprotect resumed>) = 0 [pid 10227] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10226] <... clone3 resumed> => {parent_tid=[10229]}, 88) = 10229 [pid 10223] <... futex resumed>) = 0 [pid 10222] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10228] rt_sigprocmask(SIG_SETMASK, [], [pid 10227] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10226] rt_sigprocmask(SIG_SETMASK, [], [pid 10225] <... prctl resumed>) = 0 [pid 10223] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10222] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10227] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10226] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10222] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10227] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10226] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10227] <... futex resumed>) = 1 [pid 10226] <... futex resumed>) = 0 [pid 10223] <... futex resumed>) = 0 [pid 10222] <... clone3 resumed> => {parent_tid=[10230]}, 88) = 10230 [pid 10228] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10227] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10226] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10225] setpgid(0, 0 [pid 10223] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10222] rt_sigprocmask(SIG_SETMASK, [], [pid 10227] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10223] <... futex resumed>) = 0 [pid 10222] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10227] write(-1, "0x0000000000000001", 18 [pid 10223] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10222] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10227] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10222] <... futex resumed>) = 0 [pid 10227] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10222] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10227] <... futex resumed>) = 1 [pid 10223] <... futex resumed>) = 0 [pid 10227] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10223] exit_group(0 [pid 10227] <... futex resumed>) = ? [pid 10223] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 10230 attached [pid 10229] set_robust_list(0x7f70b115b9a0, 24 [pid 10228] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10227] +++ exited with 0 +++ [pid 10225] <... setpgid resumed>) = 0 [pid 10230] set_robust_list(0x7f70b115b9a0, 24 [pid 10229] <... set_robust_list resumed>) = 0 [pid 10228] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10223] +++ exited with 0 +++ [pid 10230] <... set_robust_list resumed>) = 0 [pid 10229] rt_sigprocmask(SIG_SETMASK, [], [pid 10228] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10225] <... openat resumed>) = 3 [pid 10230] rt_sigprocmask(SIG_SETMASK, [], [pid 10229] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10228] <... futex resumed>) = 1 [pid 10225] write(3, "1000", 4 [pid 10230] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10229] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10228] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10225] <... write resumed>) = 4 [pid 10224] <... futex resumed>) = 0 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10223, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10230] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10229] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10225] close(3 [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10224] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10230] <... bpf resumed>, buf="cgroup", 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 10229] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10225] <... close resumed>) = 0 [pid 10230] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10229] <... futex resumed>) = 1 [pid 10228] <... futex resumed>) = 0 [pid 10225] write(1, "executing program\n", 18 [pid 10224] <... futex resumed>) = 1 [pid 10230] <... futex resumed>) = 1 [pid 10229] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10228] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10226] <... futex resumed>) = 0 [pid 10225] <... write resumed>) = 18 [pid 10222] <... futex resumed>) = 0 [pid 10230] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10228] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10226] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10225] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10224] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10230] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10229] <... futex resumed>) = 0 [pid 10228] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10226] <... futex resumed>) = 1 [pid 10225] <... futex resumed>) = 0 [pid 10222] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10230] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10229] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10228] <... futex resumed>) = 0 [pid 10225] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10224] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10230] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10229] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10228] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10226] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10225] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10224] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10222] <... futex resumed>) = 0 [pid 10230] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10229] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10226] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10225] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10224] <... futex resumed>) = 0 [pid 10222] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 553] <... restart_syscall resumed>) = 0 [pid 10230] <... futex resumed>) = 0 [pid 10229] <... futex resumed>) = 0 [pid 10228] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10226] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10225] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10224] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10230] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10229] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10228] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10226] <... futex resumed>) = 0 [pid 10225] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10222] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10230] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10229] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10228] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10226] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10225] <... mmap resumed>) = 0x7f70b113b000 [pid 10222] <... futex resumed>) = 0 [pid 10230] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10229] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10228] <... futex resumed>) = 1 [pid 10226] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10225] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10224] <... futex resumed>) = 0 [pid 10222] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10230] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10229] <... futex resumed>) = 0 [pid 10228] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10226] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10225] <... mprotect resumed>) = 0 [pid 10224] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10230] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10229] write(-1, "0x0000000000000001", 18 [pid 10228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10225] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10224] <... futex resumed>) = 0 [pid 10226] <... futex resumed>) = 0 [pid 10230] <... futex resumed>) = 1 [pid 10229] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10228] write(-1, "0x0000000000000001", 18 [pid 10226] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10225] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10224] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10222] <... futex resumed>) = 0 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10231 [pid 10230] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10229] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10228] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10226] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10225] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10222] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10232 attached [pid 10230] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10229] <... futex resumed>) = 0 [pid 10228] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10226] exit_group(0 [pid 10222] <... futex resumed>) = 0 [pid 10232] set_robust_list(0x7f70b115b9a0, 24 [pid 10230] write(-1, "0x0000000000000001", 18 [pid 10228] <... futex resumed>) = 1 [pid 10226] <... exit_group resumed>) = ? [pid 10225] <... clone3 resumed> => {parent_tid=[10232]}, 88) = 10232 [pid 10224] <... futex resumed>) = 0 [pid 10222] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10230] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10229] +++ exited with 0 +++ [pid 10228] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10225] rt_sigprocmask(SIG_SETMASK, [], [pid 10230] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10225] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10230] <... futex resumed>) = 0 [pid 10225] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10230] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10225] <... futex resumed>) = 0 [pid 10226] +++ exited with 0 +++ [pid 10225] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10224] exit_group(0 [pid 10222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10228] <... futex resumed>) = ? [pid 10224] <... exit_group resumed>) = ? [pid 10222] exit_group(0 [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10226, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10228] +++ exited with 0 +++ [pid 551] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 10231 attached [pid 10231] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10231] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10231] setpgid(0, 0 [pid 10224] +++ exited with 0 +++ [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10224, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 10230] <... futex resumed>) = ? [pid 10222] <... exit_group resumed>) = ? [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 10230] +++ exited with 0 +++ [pid 10231] <... setpgid resumed>) = 0 [pid 10231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10222] +++ exited with 0 +++ [pid 10231] write(3, "1000", 4) = 4 [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10222, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10231] close(3 [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10231] <... close resumed>) = 0 [pid 10231] write(1, "executing program\n", 18 [pid 10232] <... set_robust_list resumed>) = 0 [pid 10231] <... write resumed>) = 18 [pid 10231] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10231] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10232] rt_sigprocmask(SIG_SETMASK, [], [pid 10231] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10231] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10231] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10232] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10231] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10232] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10231] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10233]}, 88) = 10233 ./strace-static-x86_64: Process 10233 attached [pid 10232] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10231] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10231] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10231] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10233] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10233] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10233] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10232] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10233] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10233] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10231] <... futex resumed>) = 0 [pid 10233] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10231] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10233] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10231] <... futex resumed>) = 0 [pid 10233] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10232] <... futex resumed>) = 1 [pid 10231] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10225] <... futex resumed>) = 0 [pid 10233] <... futex resumed>) = 0 [pid 10231] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10233] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10231] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10232] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10225] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10233] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10231] <... futex resumed>) = 0 [pid 10233] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10231] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10233] <... futex resumed>) = 0 [pid 10231] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10233] write(-1, "0x0000000000000001", 18 [pid 10231] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10232] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10225] <... futex resumed>) = 0 [pid 10232] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10225] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10232] <... futex resumed>) = 0 [pid 10225] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10232] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10225] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10232] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10225] <... futex resumed>) = 0 [pid 10232] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10225] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10232] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10233] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10232] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10231] <... futex resumed>) = 0 [pid 10232] <... futex resumed>) = 1 [pid 10225] <... futex resumed>) = 0 [pid 10232] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10225] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10232] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10233] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10231] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10225] <... futex resumed>) = 0 [pid 555] <... restart_syscall resumed>) = 0 [pid 551] <... restart_syscall resumed>) = 0 [pid 10233] <... futex resumed>) = 0 [pid 10232] write(-1, "0x0000000000000001", 18 [pid 10231] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10225] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10233] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10232] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10231] exit_group(0 [pid 10233] <... futex resumed>) = ? [pid 10232] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10231] <... exit_group resumed>) = ? [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 552] <... restart_syscall resumed>) = 0 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10234 attached [pid 10233] +++ exited with 0 +++ [pid 10232] <... futex resumed>) = 1 [pid 10231] +++ exited with 0 +++ [pid 10225] <... futex resumed>) = 0 [pid 10234] set_robust_list(0x55556dd196a0, 24 [pid 10232] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10225] exit_group(0 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10234 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10231, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10235 ./strace-static-x86_64: Process 10235 attached [pid 10234] <... set_robust_list resumed>) = 0 [pid 10232] <... futex resumed>) = ? [pid 10225] <... exit_group resumed>) = ? [pid 10232] +++ exited with 0 +++ [pid 10235] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10235] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10235] setpgid(0, 0) = 0 [pid 10235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10225] +++ exited with 0 +++ [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10225, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10235] <... openat resumed>) = 3 [pid 10234] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10235] write(3, "1000", 4) = 4 [pid 10235] close(3) = 0 [pid 10235] write(1, "executing program\n", 18) = 18 [pid 10235] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10235] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10236 [pid 10235] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10235] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10235] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10237 [pid 10235] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 10236 attached [pid 10235] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10234] <... prctl resumed>) = 0 [pid 10235] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10235] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10236] set_robust_list(0x55556dd196a0, 24 [pid 10234] setpgid(0, 0./strace-static-x86_64: Process 10238 attached [pid 10235] <... clone3 resumed> => {parent_tid=[10238]}, 88) = 10238 [pid 10235] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10235] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10235] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10237 attached [pid 10236] <... set_robust_list resumed>) = 0 [pid 10234] <... setpgid resumed>) = 0 [pid 10237] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10237] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10237] setpgid(0, 0 [pid 10234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10237] <... setpgid resumed>) = 0 [pid 10237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10234] <... openat resumed>) = 3 [pid 10237] write(3, "1000", 4 [pid 10236] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10234] write(3, "1000", 4 [pid 10237] <... write resumed>) = 4 [pid 10237] close(3) = 0 [pid 10237] write(1, "executing program\n", 18executing program ) = 18 [pid 10237] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10237] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10234] <... write resumed>) = 4 [pid 10237] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10237] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10236] <... prctl resumed>) = 0 [pid 10234] close(3 [pid 10237] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10234] <... close resumed>) = 0 [pid 10236] setpgid(0, 0 [pid 10237] <... mprotect resumed>) = 0 executing program [pid 10237] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10236] <... setpgid resumed>) = 0 [pid 10234] write(1, "executing program\n", 18 [pid 10238] set_robust_list(0x7f70b115b9a0, 24 [pid 10237] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10234] <... write resumed>) = 18 [pid 10237] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10234] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10236] <... openat resumed>) = 3 [pid 10234] <... futex resumed>) = 0 [pid 10238] <... set_robust_list resumed>) = 0 [pid 10237] <... clone3 resumed> => {parent_tid=[10239]}, 88) = 10239 [pid 10236] write(3, "1000", 4 [pid 10234] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, ./strace-static-x86_64: Process 10239 attached [pid 10236] <... write resumed>) = 4 [pid 10234] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10239] set_robust_list(0x7f70b115b9a0, 24 [pid 10236] close(3 [pid 10234] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10239] <... set_robust_list resumed>) = 0 [pid 10234] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10236] <... close resumed>) = 0 [pid 10234] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10239] rt_sigprocmask(SIG_SETMASK, [], executing program [pid 10234] <... mmap resumed>) = 0x7f70b113b000 [pid 10236] write(1, "executing program\n", 18 [pid 10234] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10239] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10234] <... mprotect resumed>) = 0 [pid 10236] <... write resumed>) = 18 [pid 10239] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10238] rt_sigprocmask(SIG_SETMASK, [], [pid 10234] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10236] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10234] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10238] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10236] <... futex resumed>) = 0 [pid 10234] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10238] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10236] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10234] <... clone3 resumed> => {parent_tid=[10240]}, 88) = 10240 [pid 10236] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10234] rt_sigprocmask(SIG_SETMASK, [], [pid 10238] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10236] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10234] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 554] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 10240 attached [pid 10237] rt_sigprocmask(SIG_SETMASK, [], [pid 10236] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10234] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10236] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10234] <... futex resumed>) = 0 [pid 10236] <... mmap resumed>) = 0x7f70b113b000 [pid 10240] set_robust_list(0x7f70b115b9a0, 24 [pid 10238] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10237] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10236] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10234] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10236] <... mprotect resumed>) = 0 [pid 10236] rt_sigprocmask(SIG_BLOCK, ~[], [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10236] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10240] <... set_robust_list resumed>) = 0 [pid 10238] <... futex resumed>) = 1 [pid 10237] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10236] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0}./strace-static-x86_64: Process 10241 attached ./strace-static-x86_64: Process 10242 attached [pid 10235] <... futex resumed>) = 0 [pid 10235] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10241 [pid 10241] set_robust_list(0x55556dd196a0, 24 [pid 10235] <... futex resumed>) = 0 [pid 10241] <... set_robust_list resumed>) = 0 [pid 10235] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10236] <... clone3 resumed> => {parent_tid=[10242]}, 88) = 10242 [pid 10241] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10236] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10236] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10236] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10238] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10241] <... prctl resumed>) = 0 [pid 10238] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10242] set_robust_list(0x7f70b115b9a0, 24 [pid 10240] rt_sigprocmask(SIG_SETMASK, [], [pid 10238] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10235] <... futex resumed>) = 0 [pid 10235] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10235] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10238] <... futex resumed>) = 1 [pid 10238] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10241] setpgid(0, 0 [pid 10238] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10242] <... set_robust_list resumed>) = 0 [pid 10240] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10238] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10235] <... futex resumed>) = 0 [pid 10235] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10235] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10238] <... futex resumed>) = 1 [pid 10238] write(-1, "0x0000000000000001", 18 [pid 10242] rt_sigprocmask(SIG_SETMASK, [], [pid 10241] <... setpgid resumed>) = 0 [pid 10238] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10238] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10240] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10235] <... futex resumed>) = 0 [pid 10235] exit_group(0 [pid 10241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10242] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10240] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10235] <... exit_group resumed>) = ? [pid 10238] <... futex resumed>) = ? [pid 10242] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10241] <... openat resumed>) = 3 [pid 10240] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10239] <... futex resumed>) = 0 [pid 10237] <... futex resumed>) = 1 [pid 10241] write(3, "1000", 4 [pid 10239] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10238] +++ exited with 0 +++ [pid 10235] +++ exited with 0 +++ [pid 10241] <... write resumed>) = 4 [pid 10239] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10235, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10241] close(3 [pid 10239] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10241] <... close resumed>) = 0 [pid 10239] <... futex resumed>) = 0 executing program [pid 10241] write(1, "executing program\n", 18 [pid 10239] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10241] <... write resumed>) = 18 [pid 10241] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10241] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10241] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10241] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10241] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10242] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10241] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10240] <... futex resumed>) = 1 [pid 10237] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10234] <... futex resumed>) = 0 [pid 10242] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10240] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10237] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10234] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10242] <... futex resumed>) = 1 [pid 10236] <... futex resumed>) = 0 [pid 10234] <... futex resumed>) = 0 [pid 10242] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10240] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10236] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10234] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10237] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10242] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10240] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10236] <... futex resumed>) = 0 [pid 10234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10242] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10236] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10234] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10242] <... futex resumed>) = 0 [pid 10241] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10240] <... futex resumed>) = 0 [pid 10239] <... futex resumed>) = 0 [pid 10237] <... futex resumed>) = 1 [pid 10236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10234] <... futex resumed>) = 0 [pid 10242] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10241] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10239] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10236] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10240] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10234] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10237] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10243 attached [pid 10242] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10240] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10239] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10236] <... futex resumed>) = 0 [pid 10243] set_robust_list(0x7f70b115b9a0, 24 [pid 10242] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10241] <... clone3 resumed> => {parent_tid=[10243]}, 88) = 10243 [pid 10240] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10239] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10237] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10236] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10243] <... set_robust_list resumed>) = 0 [pid 10242] <... futex resumed>) = 0 [pid 10241] rt_sigprocmask(SIG_SETMASK, [], [pid 10240] <... futex resumed>) = 1 [pid 10239] <... futex resumed>) = 0 [pid 10237] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10234] <... futex resumed>) = 0 [pid 10243] rt_sigprocmask(SIG_SETMASK, [], [pid 10242] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10241] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10240] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10239] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10237] <... futex resumed>) = 0 [pid 10236] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10234] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10243] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10242] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10241] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10240] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10239] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10237] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10236] <... futex resumed>) = 0 [pid 10234] <... futex resumed>) = 0 [pid 10243] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10242] write(-1, "0x0000000000000001", 18 [pid 10241] <... futex resumed>) = 0 [pid 10240] write(-1, "0x0000000000000001", 18 [pid 10239] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10237] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10236] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10234] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10243] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10242] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10241] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10240] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10239] <... futex resumed>) = 0 [pid 10237] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10243] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10242] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10240] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10237] <... futex resumed>) = 0 [pid 10242] <... futex resumed>) = 1 [pid 10240] <... futex resumed>) = 1 [pid 10239] write(-1, "0x0000000000000001", 18 [pid 10237] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10236] <... futex resumed>) = 0 [pid 10234] <... futex resumed>) = 0 [pid 10243] <... futex resumed>) = 1 [pid 10242] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10241] <... futex resumed>) = 0 [pid 10240] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10239] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10236] exit_group(0 [pid 10234] exit_group(0 [pid 10243] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10242] <... futex resumed>) = ? [pid 10241] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10240] <... futex resumed>) = ? [pid 10239] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10236] <... exit_group resumed>) = ? [pid 10234] <... exit_group resumed>) = ? [pid 551] <... restart_syscall resumed>) = 0 [pid 10243] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10242] +++ exited with 0 +++ [pid 10241] <... futex resumed>) = 0 [pid 10240] +++ exited with 0 +++ [pid 10239] <... futex resumed>) = 1 [pid 10237] <... futex resumed>) = 0 [pid 10236] +++ exited with 0 +++ [pid 10243] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10241] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10239] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10234] +++ exited with 0 +++ [pid 10237] exit_group(0 [pid 10243] <... futex resumed>) = 0 [pid 10241] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10239] <... futex resumed>) = ? [pid 10237] <... exit_group resumed>) = ? [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10234, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10236, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10243] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10241] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10239] +++ exited with 0 +++ [pid 10237] +++ exited with 0 +++ [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10241] <... futex resumed>) = 0 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10244 [pid 10243] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10241] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10237, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10243] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10245 [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10243] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10241] <... futex resumed>) = 0 [pid 10243] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10241] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10241] <... futex resumed>) = 0 [pid 10243] write(-1, "0x0000000000000001", 18 [pid 10241] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10243] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10243] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10241] <... futex resumed>) = 0 [pid 10243] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10241] exit_group(0./strace-static-x86_64: Process 10245 attached [pid 10243] <... futex resumed>) = ? [pid 10241] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 10244 attached [pid 10245] set_robust_list(0x55556dd196a0, 24 [pid 10243] +++ exited with 0 +++ [pid 10245] <... set_robust_list resumed>) = 0 [pid 10244] set_robust_list(0x55556dd196a0, 24 [pid 10241] +++ exited with 0 +++ [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10241, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10245] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10245] setpgid(0, 0 [pid 10244] <... set_robust_list resumed>) = 0 [pid 10245] <... setpgid resumed>) = 0 [pid 10245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10244] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10245] write(3, "1000", 4) = 4 [pid 10245] close(3) = 0 [pid 10245] write(1, "executing program\n", 18executing program ) = 18 [pid 10245] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10245] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10245] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10245] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10245] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10244] <... prctl resumed>) = 0 [pid 10245] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10244] setpgid(0, 0 [pid 10245] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10245] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10246]}, 88) = 10246 [pid 10244] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 10246 attached [pid 10245] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10246] set_robust_list(0x7f70b115b9a0, 24 [pid 10244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10245] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10245] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10246] <... set_robust_list resumed>) = 0 [pid 10246] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10246] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10246] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10245] <... futex resumed>) = 0 [pid 10246] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10245] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10246] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10245] <... futex resumed>) = 0 [pid 10244] <... openat resumed>) = 3 [pid 10246] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10245] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10246] <... futex resumed>) = 0 [pid 10245] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10246] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10245] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10246] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10245] <... futex resumed>) = 0 [pid 10246] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10245] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10246] <... futex resumed>) = 0 [pid 10245] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10246] write(-1, "0x0000000000000001", 18 [pid 10245] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10246] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10245] <... futex resumed>) = 0 [pid 10244] write(3, "1000", 4 [pid 10246] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10245] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10246] <... futex resumed>) = 0 [pid 10245] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10246] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10245] exit_group(0 [pid 10246] <... futex resumed>) = ? [pid 10245] <... exit_group resumed>) = ? executing program [pid 10246] +++ exited with 0 +++ [pid 10245] +++ exited with 0 +++ [pid 10244] <... write resumed>) = 4 [pid 10244] close(3 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10245, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10244] <... close resumed>) = 0 [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10244] write(1, "executing program\n", 18) = 18 [pid 10244] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10244] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10244] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 552] <... restart_syscall resumed>) = 0 [pid 10244] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10244] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10244] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 554] <... restart_syscall resumed>) = 0 [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10244] <... mprotect resumed>) = 0 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10244] rt_sigprocmask(SIG_BLOCK, ~[], [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10248 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10247 [pid 10244] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 10247 attached [pid 10247] set_robust_list(0x55556dd196a0, 24) = 0 [pid 553] <... restart_syscall resumed>) = 0 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10249 [pid 10244] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10247] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10244] <... clone3 resumed> => {parent_tid=[10250]}, 88) = 10250 [pid 10247] setpgid(0, 0) = 0 [pid 10247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10244] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10251 [pid 10244] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10247] write(3, "1000", 4 [pid 10244] <... futex resumed>) = 0 ./strace-static-x86_64: Process 10250 attached ./strace-static-x86_64: Process 10249 attached [pid 10244] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10247] <... write resumed>) = 4 [pid 10247] close(3) = 0 executing program [pid 10247] write(1, "executing program\n", 18) = 18 [pid 10247] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10250] set_robust_list(0x7f70b115b9a0, 24 [pid 10249] set_robust_list(0x55556dd196a0, 24 [pid 10247] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10247] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10247] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 10248 attached ) = 0x7f70b113b000 [pid 10248] set_robust_list(0x55556dd196a0, 24 [pid 10247] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10249] <... set_robust_list resumed>) = 0 [pid 10248] <... set_robust_list resumed>) = 0 [pid 10247] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10248] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10250] <... set_robust_list resumed>) = 0 [pid 10249] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10248] <... prctl resumed>) = 0 [pid 10247] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10248] setpgid(0, 0 [pid 10247] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10250] rt_sigprocmask(SIG_SETMASK, [], [pid 10249] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 10252 attached [pid 10248] <... setpgid resumed>) = 0 [pid 10252] set_robust_list(0x7f70b115b9a0, 24 [pid 10250] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10249] setpgid(0, 0 [pid 10248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10247] <... clone3 resumed> => {parent_tid=[10252]}, 88) = 10252 [pid 10247] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10247] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10252] <... set_robust_list resumed>) = 0 [pid 10250] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10249] <... setpgid resumed>) = 0 [pid 10247] <... futex resumed>) = 0 [pid 10247] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10248] <... openat resumed>) = 3 [pid 10250] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10248] write(3, "1000", 4 [pid 10252] rt_sigprocmask(SIG_SETMASK, [], executing program [pid 10248] <... write resumed>) = 4 [pid 10248] close(3) = 0 [pid 10248] write(1, "executing program\n", 18 [pid 10249] <... openat resumed>) = 3 [pid 10248] <... write resumed>) = 18 [pid 10248] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10252] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10250] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10249] write(3, "1000", 4 [pid 10248] <... futex resumed>) = 0 [pid 10248] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10248] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10248] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10248] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10252] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10250] <... futex resumed>) = 1 [pid 10249] <... write resumed>) = 4 [pid 10248] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10244] <... futex resumed>) = 0 [pid 10248] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10244] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10248] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10244] <... futex resumed>) = 0 [pid 10249] close(3 [pid 10244] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10248] <... clone3 resumed> => {parent_tid=[10253]}, 88) = 10253 [pid 10250] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10249] <... close resumed>) = 0 ./strace-static-x86_64: Process 10251 attached [pid 10248] rt_sigprocmask(SIG_SETMASK, [], [pid 10252] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10251] set_robust_list(0x55556dd196a0, 24 [pid 10250] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10249] write(1, "executing program\n", 18executing program [pid 10248] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10251] <... set_robust_list resumed>) = 0 [pid 10248] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10251] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10250] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10249] <... write resumed>) = 18 [pid 10248] <... futex resumed>) = 0 [pid 10251] <... prctl resumed>) = 0 [pid 10248] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10251] setpgid(0, 0) = 0 [pid 10249] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10250] <... futex resumed>) = 1 [pid 10244] <... futex resumed>) = 0 [pid 10251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10250] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10249] <... futex resumed>) = 0 [pid 10244] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10252] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10249] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10244] <... futex resumed>) = 0 [pid 10250] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10244] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10249] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10250] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10244] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10252] <... futex resumed>) = 1 [pid 10251] <... openat resumed>) = 3 [pid 10250] <... futex resumed>) = 0 [pid 10249] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10247] <... futex resumed>) = 0 [pid 10244] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10251] write(3, "1000", 4 [pid 10249] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10247] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10244] <... futex resumed>) = 0 [pid 10251] <... write resumed>) = 4 [pid 10250] write(-1, "0x0000000000000001", 18 [pid 10249] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10247] <... futex resumed>) = 0 [pid 10244] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10251] close(3 [pid 10250] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10249] <... mmap resumed>) = 0x7f70b113b000 [pid 10247] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10251] <... close resumed>) = 0 [pid 10250] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10249] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITEexecuting program [pid 10250] <... futex resumed>) = 1 [pid 10244] <... futex resumed>) = 0 [pid 10252] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10250] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10249] <... mprotect resumed>) = 0 [pid 10244] exit_group(0 [pid 10251] write(1, "executing program\n", 18 [pid 10244] <... exit_group resumed>) = ? [pid 10251] <... write resumed>) = 18 [pid 10250] <... futex resumed>) = ? [pid 10249] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10251] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10249] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10251] <... futex resumed>) = 0 [pid 10251] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10251] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10251] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 10253 attached ) = 0x7f70b113b000 [pid 10253] set_robust_list(0x7f70b115b9a0, 24 [pid 10251] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10253] <... set_robust_list resumed>) = 0 [pid 10251] <... mprotect resumed>) = 0 [pid 10250] +++ exited with 0 +++ [pid 10249] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10244] +++ exited with 0 +++ [pid 10252] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10253] rt_sigprocmask(SIG_SETMASK, [], [pid 10251] rt_sigprocmask(SIG_BLOCK, ~[], [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10244, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10252] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10253] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10251] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10249] <... clone3 resumed> => {parent_tid=[10254]}, 88) = 10254 [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10253] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10252] <... futex resumed>) = 1 [pid 10251] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10249] rt_sigprocmask(SIG_SETMASK, [], [pid 10247] <... futex resumed>) = 0 ./strace-static-x86_64: Process 10255 attached [pid 10253] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10252] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10249] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10247] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10253] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10251] <... clone3 resumed> => {parent_tid=[10255]}, 88) = 10255 [pid 10249] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10247] <... futex resumed>) = 0 [pid 10253] <... futex resumed>) = 1 [pid 10252] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10251] rt_sigprocmask(SIG_SETMASK, [], [pid 10249] <... futex resumed>) = 0 [pid 10248] <... futex resumed>) = 0 [pid 10247] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10253] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10252] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10251] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10249] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10248] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10252] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10251] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10248] <... futex resumed>) = 0 [pid 10253] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10252] <... futex resumed>) = 1 [pid 10251] <... futex resumed>) = 0 [pid 10248] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10247] <... futex resumed>) = 0 [pid 10253] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10252] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10251] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10247] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10253] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10247] <... futex resumed>) = 0 [pid 10253] <... futex resumed>) = 1 [pid 10248] <... futex resumed>) = 0 [pid 10247] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10253] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10252] write(-1, "0x0000000000000001", 18 [pid 10248] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10253] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10252] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10248] <... futex resumed>) = 0 [pid 10253] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10252] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10248] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10253] <... futex resumed>) = 0 [pid 10252] <... futex resumed>) = 1 [pid 10248] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10247] <... futex resumed>) = 0 [pid 10253] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10252] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10248] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10248] <... futex resumed>) = 0 [pid 10247] exit_group(0 [pid 10255] set_robust_list(0x7f70b115b9a0, 24 [pid 10253] write(-1, "0x0000000000000001", 18 [pid 10248] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10247] <... exit_group resumed>) = ? [pid 10253] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10252] <... futex resumed>) = ? [pid 10253] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10248] <... futex resumed>) = 0 [pid 10253] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10248] exit_group(0 [pid 10253] <... futex resumed>) = ? [pid 10248] <... exit_group resumed>) = ? [pid 10255] <... set_robust_list resumed>) = 0 [pid 10253] +++ exited with 0 +++ [pid 10252] +++ exited with 0 +++ [pid 10248] +++ exited with 0 +++ [pid 10247] +++ exited with 0 +++ ./strace-static-x86_64: Process 10254 attached [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10248, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10255] rt_sigprocmask(SIG_SETMASK, [], [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10247, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10255] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10254] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10254] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10254] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10255] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10254] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10255] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10254] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10249] <... futex resumed>) = 0 [pid 10255] <... futex resumed>) = 1 [pid 10251] <... futex resumed>) = 0 [pid 10249] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10254] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10251] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10249] <... futex resumed>) = 0 [pid 10255] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10254] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10251] <... futex resumed>) = 0 [pid 10249] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10254] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10251] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10255] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10254] <... futex resumed>) = 0 [pid 10249] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10255] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10249] <... futex resumed>) = 0 [pid 10254] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10249] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10255] <... futex resumed>) = 1 [pid 10251] <... futex resumed>) = 0 [pid 10254] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10251] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10255] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10254] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10251] <... futex resumed>) = 0 [pid 10254] <... futex resumed>) = 1 [pid 10251] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10249] <... futex resumed>) = 0 [pid 10255] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10254] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10249] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10254] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10255] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10249] <... futex resumed>) = 0 [pid 10255] <... futex resumed>) = 1 [pid 10254] write(-1, "0x0000000000000001", 18 [pid 10251] <... futex resumed>) = 0 [pid 10249] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10255] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10254] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10251] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] <... restart_syscall resumed>) = 0 [pid 551] <... restart_syscall resumed>) = 0 [pid 10255] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10254] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10251] <... futex resumed>) = 0 [pid 552] <... restart_syscall resumed>) = 0 [pid 10255] write(-1, "0x0000000000000001", 18 [pid 10254] <... futex resumed>) = 1 [pid 10251] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10249] <... futex resumed>) = 0 [pid 10255] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10254] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10249] exit_group(0 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10255] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10254] <... futex resumed>) = ? [pid 10249] <... exit_group resumed>) = ? executing program [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10255] <... futex resumed>) = 1 [pid 10254] +++ exited with 0 +++ [pid 10251] <... futex resumed>) = 0 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10257 [pid 10251] exit_group(0) = ? ./strace-static-x86_64: Process 10257 attached [pid 10249] +++ exited with 0 +++ [pid 10257] set_robust_list(0x55556dd196a0, 24 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10256 [pid 10257] <... set_robust_list resumed>) = 0 [pid 10257] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10257] setpgid(0, 0) = 0 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10249, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10258 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10259 [pid 10257] write(3, "1000", 4) = 4 [pid 10257] close(3) = 0 [pid 10257] write(1, "executing program\n", 18) = 18 [pid 10257] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10257] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10255] +++ exited with 0 +++ [pid 10251] +++ exited with 0 +++ [pid 10257] <... rt_sigaction resumed>NULL, 8) = 0 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10251, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10257] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10257] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10257] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10257] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 10259 attached ./strace-static-x86_64: Process 10256 attached ) = 0 [pid 10257] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10257] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10259] set_robust_list(0x55556dd196a0, 24 [pid 10257] <... clone3 resumed> => {parent_tid=[10260]}, 88) = 10260 [pid 10257] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10257] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10259] <... set_robust_list resumed>) = 0 [pid 10256] set_robust_list(0x55556dd196a0, 24 [pid 10257] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10258 attached [pid 10259] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10258] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10258] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10259] <... prctl resumed>) = 0 [pid 10256] <... set_robust_list resumed>) = 0 [pid 10258] <... prctl resumed>) = 0 [pid 10259] setpgid(0, 0 [pid 10256] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10258] setpgid(0, 0) = 0 [pid 10259] <... setpgid resumed>) = 0 [pid 10256] <... prctl resumed>) = 0 [pid 10258] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10258] write(3, "1000", 4 [pid 10256] setpgid(0, 0 [pid 10258] <... write resumed>) = 4 executing program [pid 10258] close(3) = 0 [pid 10258] write(1, "executing program\n", 18) = 18 [pid 10258] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10258] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10259] <... openat resumed>) = 3 [pid 10258] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10256] <... setpgid resumed>) = 0 [pid 10258] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10258] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10258] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10259] write(3, "1000", 4) = 4 [pid 10256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10258] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10258] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10259] close(3 [pid 10258] <... clone3 resumed> => {parent_tid=[10262]}, 88) = 10262 [pid 10256] <... openat resumed>) = 3 [pid 10259] <... close resumed>) = 0 [pid 10258] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10258] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10258] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10260 attached [pid 10260] set_robust_list(0x7f70b115b9a0, 24 [pid 10259] write(1, "executing program\n", 18 [pid 10256] write(3, "1000", 4executing program [pid 10260] <... set_robust_list resumed>) = 0 [pid 10260] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10260] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10259] <... write resumed>) = 18 [pid 10256] <... write resumed>) = 4 [pid 10259] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 10260] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10259] <... futex resumed>) = 0 [pid 10256] close(3./strace-static-x86_64: Process 10262 attached [pid 10259] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10256] <... close resumed>) = 0 [pid 553] <... restart_syscall resumed>) = 0 [pid 10259] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10259] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10256] write(1, "executing program\n", 18 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10259] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10256] <... write resumed>) = 18 [pid 10260] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10257] <... futex resumed>) = 0 [pid 10257] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10257] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10259] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10256] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10263 [pid 10259] <... mmap resumed>) = 0x7f70b113b000 [pid 10259] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10256] <... futex resumed>) = 0 [pid 10259] <... mprotect resumed>) = 0 [pid 10256] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10260] <... futex resumed>) = 1 [pid 10259] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10256] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10259] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10256] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10259] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10256] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10260] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10256] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10259] <... clone3 resumed> => {parent_tid=[10264]}, 88) = 10264 [pid 10256] <... mmap resumed>) = 0x7f70b113b000 [pid 10259] rt_sigprocmask(SIG_SETMASK, [], [pid 10256] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10259] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10256] <... mprotect resumed>) = 0 [pid 10259] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10260] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10257] <... futex resumed>) = 0 [pid 10256] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10259] <... futex resumed>) = 0 [pid 10256] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10259] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10256] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10257] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10257] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10260] <... futex resumed>) = 1 [pid 10256] <... clone3 resumed> => {parent_tid=[10265]}, 88) = 10265 [pid 10260] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10256] rt_sigprocmask(SIG_SETMASK, [], [pid 10260] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10256] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10260] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10256] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10257] <... futex resumed>) = 0 [pid 10256] <... futex resumed>) = 0 [pid 10257] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10256] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10257] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10260] <... futex resumed>) = 1 [pid 10260] write(-1, "0x0000000000000001", 18./strace-static-x86_64: Process 10264 attached ./strace-static-x86_64: Process 10263 attached ./strace-static-x86_64: Process 10265 attached [pid 10264] set_robust_list(0x7f70b115b9a0, 24 [pid 10263] set_robust_list(0x55556dd196a0, 24 [pid 10262] set_robust_list(0x7f70b115b9a0, 24 [pid 10260] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10260] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10257] <... futex resumed>) = 0 [pid 10257] exit_group(0) = ? [pid 10263] <... set_robust_list resumed>) = 0 [pid 10262] <... set_robust_list resumed>) = 0 [pid 10264] <... set_robust_list resumed>) = 0 [pid 10265] set_robust_list(0x7f70b115b9a0, 24 [pid 10260] <... futex resumed>) = ? [pid 10263] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10263] setpgid(0, 0) = 0 [pid 10263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10260] +++ exited with 0 +++ [pid 10257] +++ exited with 0 +++ [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10257, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10263] write(3, "1000", 4) = 4 [pid 10263] close(3) = 0 [pid 10263] write(1, "executing program\n", 18executing program ) = 18 [pid 10263] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10263] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10263] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10263] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10263] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10265] <... set_robust_list resumed>) = 0 [pid 10264] rt_sigprocmask(SIG_SETMASK, [], [pid 10262] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10263] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10262] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10264] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10264] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10262] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10262] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10263] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10258] <... futex resumed>) = 0 [pid 10264] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10263] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10258] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10264] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10262] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10259] <... futex resumed>) = 0 [pid 10258] <... futex resumed>) = 0 [pid 10259] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10258] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10259] <... futex resumed>) = 0 [pid 10263] <... clone3 resumed> => {parent_tid=[10266]}, 88) = 10266 [pid 10259] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10264] <... futex resumed>) = 1 [pid 10263] rt_sigprocmask(SIG_SETMASK, [], [pid 10262] <... openat resumed>) = -1 ENOENT (No such file or directory) ./strace-static-x86_64: Process 10266 attached [pid 10264] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10262] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10258] <... futex resumed>) = 0 [pid 10258] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10258] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10264] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10262] <... futex resumed>) = 1 [pid 10259] <... futex resumed>) = 0 [pid 10264] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10263] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10262] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10259] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10266] set_robust_list(0x7f70b115b9a0, 24 [pid 10264] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10262] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10259] <... futex resumed>) = 0 [pid 10264] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10262] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10259] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10264] <... futex resumed>) = 0 [pid 10262] <... futex resumed>) = 1 [pid 10259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10258] <... futex resumed>) = 0 [pid 10266] <... set_robust_list resumed>) = 0 [pid 10265] rt_sigprocmask(SIG_SETMASK, [], [pid 10264] write(-1, "0x0000000000000001", 18 [pid 10263] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10262] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10259] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10258] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10264] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10263] <... futex resumed>) = 0 [pid 10262] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10259] <... futex resumed>) = 0 [pid 10258] <... futex resumed>) = 0 [pid 10264] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10263] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10262] write(-1, "0x0000000000000001", 18 [pid 10259] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10258] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10264] <... futex resumed>) = 0 [pid 10262] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10264] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10262] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10259] exit_group(0 [pid 10264] <... futex resumed>) = ? [pid 10262] <... futex resumed>) = 1 [pid 10259] <... exit_group resumed>) = ? [pid 10258] <... futex resumed>) = 0 [pid 10266] rt_sigprocmask(SIG_SETMASK, [], [pid 10265] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10262] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10258] exit_group(0 [pid 10266] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10264] +++ exited with 0 +++ [pid 10262] <... futex resumed>) = ? [pid 10259] +++ exited with 0 +++ [pid 10258] <... exit_group resumed>) = ? [pid 551] <... restart_syscall resumed>) = 0 [pid 10266] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10265] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10266] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10262] +++ exited with 0 +++ [pid 10258] +++ exited with 0 +++ [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10259, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10266] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10258, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 10267 attached [pid 10266] <... futex resumed>) = 1 [pid 10265] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10263] <... futex resumed>) = 0 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10267] set_robust_list(0x55556dd196a0, 24 [pid 10266] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10265] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10263] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10267 ./strace-static-x86_64: Process 10268 attached [pid 10267] <... set_robust_list resumed>) = 0 [pid 10266] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10265] <... futex resumed>) = 1 [pid 10263] <... futex resumed>) = 0 [pid 10256] <... futex resumed>) = 0 [pid 10268] set_robust_list(0x55556dd196a0, 24 [pid 10267] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10266] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10265] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10263] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10256] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10268 [pid 10267] <... prctl resumed>) = 0 [pid 10266] <... futex resumed>) = 0 [pid 10265] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10256] <... futex resumed>) = 0 [pid 10267] setpgid(0, 0 [pid 10266] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10265] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10263] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10256] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10267] <... setpgid resumed>) = 0 [pid 10266] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10265] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10263] <... futex resumed>) = 0 [pid 10268] <... set_robust_list resumed>) = 0 [pid 10267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10266] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10265] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10263] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10268] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10267] <... openat resumed>) = 3 [pid 10266] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10265] <... futex resumed>) = 1 [pid 10256] <... futex resumed>) = 0 [pid 10267] write(3, "1000", 4 [pid 10266] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10265] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10256] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10267] <... write resumed>) = 4 [pid 10266] <... futex resumed>) = 1 [pid 10265] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10263] <... futex resumed>) = 0 [pid 10256] <... futex resumed>) = 0 [pid 10268] <... prctl resumed>) = 0 [pid 10267] close(3 [pid 10266] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10265] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10263] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10256] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10268] setpgid(0, 0 [pid 10267] <... close resumed>) = 0 [pid 10266] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10265] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10263] <... futex resumed>) = 0 [pid 10268] <... setpgid resumed>) = 0 [pid 10267] write(1, "executing program\n", 18executing program [pid 10266] write(-1, "0x0000000000000001", 18 [pid 10265] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10263] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10267] <... write resumed>) = 18 [pid 10266] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10265] <... futex resumed>) = 1 [pid 10256] <... futex resumed>) = 0 [pid 10268] <... openat resumed>) = 3 [pid 10267] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10266] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10265] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10256] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10268] write(3, "1000", 4 [pid 10267] <... futex resumed>) = 0 [pid 10266] <... futex resumed>) = 1 [pid 10268] <... write resumed>) = 4 [pid 10267] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10266] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10265] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10263] <... futex resumed>) = 0 [pid 10256] <... futex resumed>) = 0 [pid 10268] close(3 [pid 10267] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10268] <... close resumed>) = 0 [pid 10267] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10265] write(-1, "0x0000000000000001", 18executing program [pid 10268] write(1, "executing program\n", 18 [pid 10267] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10265] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10263] exit_group(0 [pid 10256] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10268] <... write resumed>) = 18 [pid 10267] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10266] <... futex resumed>) = ? [pid 10265] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10263] <... exit_group resumed>) = ? [pid 10256] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10268] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10267] <... mmap resumed>) = 0x7f70b113b000 [pid 10266] +++ exited with 0 +++ [pid 10265] <... futex resumed>) = 0 [pid 10268] <... futex resumed>) = 0 [pid 10267] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10268] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10267] <... mprotect resumed>) = 0 [pid 10268] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10267] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10268] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10267] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10268] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10267] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10263] +++ exited with 0 +++ [pid 10256] exit_group(0 [pid 10265] exit_group(0 [pid 10268] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10256] <... exit_group resumed>) = ? [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10263, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10268] <... mmap resumed>) = 0x7f70b113b000 [pid 10267] <... clone3 resumed> => {parent_tid=[10269]}, 88) = 10269 [pid 10265] +++ exited with 0 +++ [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10268] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10267] rt_sigprocmask(SIG_SETMASK, [], [pid 10268] <... mprotect resumed>) = 0 [pid 10267] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10268] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10267] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10268] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10267] <... futex resumed>) = 0 [pid 10268] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10267] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10256] +++ exited with 0 +++ [pid 10268] <... clone3 resumed> => {parent_tid=[10270]}, 88) = 10270 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10256, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10268] rt_sigprocmask(SIG_SETMASK, [], [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10268] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10268] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10268] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10269 attached [pid 10269] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10269] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 10270 attached [pid 10269] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10269] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10267] <... futex resumed>) = 0 [pid 10267] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10267] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10269] <... futex resumed>) = 1 [pid 10269] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10270] set_robust_list(0x7f70b115b9a0, 24 [pid 10269] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10270] <... set_robust_list resumed>) = 0 [pid 10269] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10267] <... futex resumed>) = 0 [pid 10267] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10267] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10269] <... futex resumed>) = 1 [pid 10269] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10270] rt_sigprocmask(SIG_SETMASK, [], [pid 10269] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10269] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10267] <... futex resumed>) = 0 [pid 10267] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10267] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10269] <... futex resumed>) = 1 [pid 10269] write(-1, "0x0000000000000001", 18 [pid 10270] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10269] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10269] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10267] <... futex resumed>) = 0 [pid 10267] exit_group(0) = ? [pid 10269] <... futex resumed>) = ? [pid 10270] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 554] <... restart_syscall resumed>) = 0 [pid 10270] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10270] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] <... restart_syscall resumed>) = 0 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10271 ./strace-static-x86_64: Process 10271 attached [pid 10270] <... futex resumed>) = 1 [pid 10268] <... futex resumed>) = 0 [pid 10268] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10272 attached [pid 10271] set_robust_list(0x55556dd196a0, 24 [pid 10270] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10268] <... futex resumed>) = 0 [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10272] set_robust_list(0x55556dd196a0, 24 [pid 10271] <... set_robust_list resumed>) = 0 [pid 10270] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10268] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10272 ./strace-static-x86_64: Process 10273 attached [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10273 [pid 10273] set_robust_list(0x55556dd196a0, 24 [pid 10272] <... set_robust_list resumed>) = 0 [pid 10271] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10270] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10269] +++ exited with 0 +++ [pid 10267] +++ exited with 0 +++ [pid 10273] <... set_robust_list resumed>) = 0 [pid 10273] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10273] setpgid(0, 0 [pid 10270] <... futex resumed>) = 1 [pid 10268] <... futex resumed>) = 0 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10267, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10268] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10271] <... prctl resumed>) = 0 [pid 10270] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10268] <... futex resumed>) = 0 [pid 10268] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10273] <... setpgid resumed>) = 0 [pid 10273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10270] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10271] setpgid(0, 0 [pid 10270] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10273] write(3, "1000", 4) = 4 [pid 10273] close(3) = 0 executing program [pid 10273] write(1, "executing program\n", 18) = 18 [pid 10273] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10273] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10273] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10273] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10273] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10273] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10273] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10271] <... setpgid resumed>) = 0 [pid 10270] <... futex resumed>) = 1 [pid 10268] <... futex resumed>) = 0 [pid 10273] <... clone3 resumed> => {parent_tid=[10274]}, 88) = 10274 [pid 10268] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10273] rt_sigprocmask(SIG_SETMASK, [], [pid 10268] <... futex resumed>) = 0 [pid 10273] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10268] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10273] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10270] write(-1, "0x0000000000000001", 18 [pid 10273] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10270] <... write resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 10274 attached [pid 10271] <... openat resumed>) = 3 [pid 10270] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10274] set_robust_list(0x7f70b115b9a0, 24 [pid 10271] write(3, "1000", 4 [pid 10270] <... futex resumed>) = 1 [pid 10268] <... futex resumed>) = 0 [pid 10271] <... write resumed>) = 4 [pid 10270] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10268] exit_group(0 [pid 10271] close(3 [pid 10268] <... exit_group resumed>) = ? [pid 10271] <... close resumed>) = 0 [pid 10270] <... futex resumed>) = ? [pid 10271] write(1, "executing program\n", 18 [pid 10274] <... set_robust_list resumed>) = 0 [pid 10274] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10274] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10274] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 10273] <... futex resumed>) = 0 [pid 10272] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10271] <... write resumed>) = 18 [pid 10270] +++ exited with 0 +++ [pid 10268] +++ exited with 0 +++ [pid 10273] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10272] <... prctl resumed>) = 0 [pid 10273] <... futex resumed>) = 0 [pid 10272] setpgid(0, 0 [pid 10273] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10272] <... setpgid resumed>) = 0 [pid 10271] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10268, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10271] <... futex resumed>) = 0 [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10271] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10272] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10271] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10272] <... openat resumed>) = 3 [pid 10271] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10272] write(3, "1000", 4 executing program [pid 10271] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10272] <... write resumed>) = 4 [pid 10271] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10272] close(3) = 0 [pid 10272] write(1, "executing program\n", 18) = 18 [pid 10271] <... mmap resumed>) = 0x7f70b113b000 [pid 10272] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10271] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10272] <... futex resumed>) = 0 [pid 10271] <... mprotect resumed>) = 0 [pid 10272] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10271] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10272] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10271] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10272] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10271] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10272] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10272] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10271] <... clone3 resumed> => {parent_tid=[10275]}, 88) = 10275 [pid 10272] <... mprotect resumed>) = 0 [pid 10271] rt_sigprocmask(SIG_SETMASK, [], [pid 10272] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10271] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10272] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10271] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10272] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10271] <... futex resumed>) = 0 [pid 10271] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10272] <... clone3 resumed> => {parent_tid=[10276]}, 88) = 10276 [pid 10272] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10272] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10272] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10274] <... futex resumed>) = 1 [pid 10274] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10274] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10273] <... futex resumed>) = 0 [pid 10273] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10273] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10274] <... futex resumed>) = 1 [pid 10274] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000./strace-static-x86_64: Process 10276 attached ./strace-static-x86_64: Process 10275 attached ) = -1 EBADF (Bad file descriptor) [pid 10274] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10273] <... futex resumed>) = 0 [pid 10273] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10273] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10274] <... futex resumed>) = 1 [pid 10276] set_robust_list(0x7f70b115b9a0, 24 [pid 10274] write(-1, "0x0000000000000001", 18 [pid 10275] set_robust_list(0x7f70b115b9a0, 24 [pid 10274] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10274] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10273] <... futex resumed>) = 0 [pid 10274] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10273] exit_group(0 [pid 10274] <... futex resumed>) = ? [pid 10273] <... exit_group resumed>) = ? [pid 10276] <... set_robust_list resumed>) = 0 [pid 10275] <... set_robust_list resumed>) = 0 [pid 10274] +++ exited with 0 +++ [pid 10273] +++ exited with 0 +++ [pid 10276] rt_sigprocmask(SIG_SETMASK, [], [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10273, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10276] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10276] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10276] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10272] <... futex resumed>) = 0 [pid 10276] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10272] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10276] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10272] <... futex resumed>) = 0 [pid 10276] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10272] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10276] <... futex resumed>) = 0 [pid 10272] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10276] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10272] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10276] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10272] <... futex resumed>) = 0 [pid 10276] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10272] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10276] <... futex resumed>) = 0 [pid 10272] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10276] write(-1, "0x0000000000000001", 18 [pid 10272] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10276] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10272] <... futex resumed>) = 0 [pid 10276] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10272] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10276] <... futex resumed>) = 0 [pid 10272] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10276] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10272] exit_group(0 [pid 10276] <... futex resumed>) = ? [pid 10272] <... exit_group resumed>) = ? [pid 10276] +++ exited with 0 +++ [pid 10275] rt_sigprocmask(SIG_SETMASK, [], [pid 10272] +++ exited with 0 +++ [pid 551] <... restart_syscall resumed>) = 0 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10277 ./strace-static-x86_64: Process 10277 attached [pid 10277] set_robust_list(0x55556dd196a0, 24 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10272, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10277] <... set_robust_list resumed>) = 0 [pid 10277] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10277] setpgid(0, 0) = 0 executing program [pid 10277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10278 [pid 10277] <... openat resumed>) = 3 [pid 10277] write(3, "1000", 4) = 4 [pid 10277] close(3) = 0 [pid 10277] write(1, "executing program\n", 18) = 18 [pid 10277] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10279 [pid 10277] <... futex resumed>) = 0 [pid 10277] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10277] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10277] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10277] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10277] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10275] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10277] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10277] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10280]}, 88) = 10280 [pid 10277] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10277] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10277] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10278 attached [pid 10278] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10278] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10278] setpgid(0, 0) = 0 [pid 10275] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7./strace-static-x86_64: Process 10280 attached [pid 10278] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10275] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10278] <... openat resumed>) = 3 [pid 10278] write(3, "1000", 4) = 4 [pid 10278] close(3) = 0 [pid 10278] write(1, "executing program\n", 18 [pid 10275] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 10278] <... write resumed>) = 18 [pid 10278] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10278] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10278] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10278] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10278] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10280] set_robust_list(0x7f70b115b9a0, 24 [pid 10278] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10275] <... futex resumed>) = 1 [pid 10271] <... futex resumed>) = 0 [pid 10278] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10271] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10278] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10271] <... futex resumed>) = 0 [pid 10271] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10278] <... clone3 resumed> => {parent_tid=[10281]}, 88) = 10281 [pid 10278] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10278] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10278] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10275] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH./strace-static-x86_64: Process 10279 attached [pid 10279] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10279] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10279] setpgid(0, 0) = 0 [pid 10275] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10280] <... set_robust_list resumed>) = 0 [pid 10279] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10275] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10279] <... openat resumed>) = 3 [pid 10279] write(3, "1000", 4) = 4 [pid 10279] close(3) = 0 executing program [pid 10279] write(1, "executing program\n", 18) = 18 [pid 10271] <... futex resumed>) = 0 [pid 10279] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10275] <... futex resumed>) = 1 [pid 10271] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10279] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10275] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10271] <... futex resumed>) = 0 [pid 10279] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10271] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10281 attached [pid 10275] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10279] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10279] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10279] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10280] rt_sigprocmask(SIG_SETMASK, [], [pid 10279] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10275] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10279] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10279] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10282]}, 88) = 10282 [pid 10275] <... futex resumed>) = 1 [pid 10271] <... futex resumed>) = 0 [pid 10280] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10279] rt_sigprocmask(SIG_SETMASK, [], [pid 10271] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10279] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10275] write(-1, "0x0000000000000001", 18 [pid 10271] <... futex resumed>) = 0 [pid 10279] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10275] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10271] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10279] <... futex resumed>) = 0 [pid 10275] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] <... restart_syscall resumed>) = 0 [pid 10279] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10271] <... futex resumed>) = 0 [pid 10275] <... futex resumed>) = 1 [pid 10271] exit_group(0 [pid 10281] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10281] rt_sigprocmask(SIG_SETMASK, [], [pid 10271] <... exit_group resumed>) = ? [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10281] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10281] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10281] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10278] <... futex resumed>) = 0 [pid 10278] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10283 [pid 10278] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10281] <... futex resumed>) = 1 [pid 10281] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10281] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10278] <... futex resumed>) = 0 [pid 10278] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10278] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10281] <... futex resumed>) = 1 [pid 10275] +++ exited with 0 +++ [pid 10271] +++ exited with 0 +++ [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10271, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10281] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10281] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10278] <... futex resumed>) = 0 [pid 10278] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10278] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10281] <... futex resumed>) = 1 [pid 10281] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10281] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10280] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10278] <... futex resumed>) = 0 [pid 10278] exit_group(0) = ? [pid 10281] <... futex resumed>) = ? ./strace-static-x86_64: Process 10283 attached [pid 10281] +++ exited with 0 +++ [pid 10280] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10278] +++ exited with 0 +++ ./strace-static-x86_64: Process 10282 attached [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10278, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10280] <... futex resumed>) = 1 [pid 10277] <... futex resumed>) = 0 [pid 10277] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10280] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10277] <... futex resumed>) = 0 [pid 10277] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10280] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10280] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10282] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10282] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10282] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10280] <... futex resumed>) = 1 [pid 10277] <... futex resumed>) = 0 [pid 10277] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10280] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10277] <... futex resumed>) = 0 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10284 [pid 10277] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10280] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10282] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10279] <... futex resumed>) = 0 [pid 10279] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10279] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10282] <... futex resumed>) = 1 [pid 10280] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10282] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10282] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10279] <... futex resumed>) = 0 [pid 10279] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10279] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10282] <... futex resumed>) = 1 [pid 10282] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10282] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10279] <... futex resumed>) = 0 [pid 10279] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10279] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10282] <... futex resumed>) = 1 [pid 10282] write(-1, "0x0000000000000001", 18 [pid 10280] <... futex resumed>) = 1 [pid 10277] <... futex resumed>) = 0 ./strace-static-x86_64: Process 10284 attached [pid 10283] set_robust_list(0x55556dd196a0, 24 [pid 10280] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 554] <... restart_syscall resumed>) = 0 [pid 10283] <... set_robust_list resumed>) = 0 [pid 10277] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10283] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10280] <... futex resumed>) = 0 [pid 10277] <... futex resumed>) = 1 [pid 10277] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10283] <... prctl resumed>) = 0 [pid 10280] write(-1, "0x0000000000000001", 18 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10284] set_robust_list(0x55556dd196a0, 24 [pid 10283] setpgid(0, 0 [pid 10282] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10280] <... write resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 10285 attached [pid 10280] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10285 [pid 10285] set_robust_list(0x55556dd196a0, 24 [pid 10280] <... futex resumed>) = 1 [pid 10285] <... set_robust_list resumed>) = 0 [pid 10277] <... futex resumed>) = 0 [pid 10280] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10277] exit_group(0 [pid 10285] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10277] <... exit_group resumed>) = ? [pid 10280] <... futex resumed>) = ? [pid 10285] <... prctl resumed>) = 0 [pid 10284] <... set_robust_list resumed>) = 0 [pid 10283] <... setpgid resumed>) = 0 [pid 10282] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10279] <... futex resumed>) = 0 [pid 10279] exit_group(0) = ? [pid 10280] +++ exited with 0 +++ [pid 10277] +++ exited with 0 +++ [pid 10282] <... futex resumed>) = ? [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10277, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10285] setpgid(0, 0 [pid 10284] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10282] +++ exited with 0 +++ [pid 10279] +++ exited with 0 +++ [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10285] <... setpgid resumed>) = 0 [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10279, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10284] <... prctl resumed>) = 0 [pid 10283] <... openat resumed>) = 3 [pid 10284] setpgid(0, 0 [pid 10285] <... openat resumed>) = 3 [pid 10284] <... setpgid resumed>) = 0 [pid 10283] write(3, "1000", 4) = 4 [pid 10283] close(3) = 0 [pid 10283] write(1, "executing program\n", 18executing program [pid 10285] write(3, "1000", 4 [pid 10283] <... write resumed>) = 18 [pid 10285] <... write resumed>) = 4 [pid 10284] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10283] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10283] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10283] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10283] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10285] close(3 [pid 10283] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10284] <... openat resumed>) = 3 [pid 10283] <... mprotect resumed>) = 0 [pid 10285] <... close resumed>) = 0 executing program [pid 10285] write(1, "executing program\n", 18 [pid 10284] write(3, "1000", 4 [pid 10283] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10285] <... write resumed>) = 18 [pid 10284] <... write resumed>) = 4 [pid 10283] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10285] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10283] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10284] close(3 [pid 10283] <... clone3 resumed> => {parent_tid=[10286]}, 88) = 10286 [pid 10283] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10283] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10283] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10286 attached [pid 10286] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10286] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10286] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10285] <... futex resumed>) = 0 [pid 10284] <... close resumed>) = 0 [pid 10285] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, executing program [pid 10284] write(1, "executing program\n", 18 [pid 10285] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10284] <... write resumed>) = 18 [pid 10285] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10284] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10285] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10284] <... futex resumed>) = 0 [pid 10285] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10284] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10285] <... mmap resumed>) = 0x7f70b113b000 [pid 10284] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10285] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10284] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10285] <... mprotect resumed>) = 0 [pid 10284] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10286] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10285] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10284] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10285] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10284] <... mmap resumed>) = 0x7f70b113b000 [pid 10285] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10284] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10286] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10283] <... futex resumed>) = 0 [pid 10285] <... clone3 resumed> => {parent_tid=[10287]}, 88) = 10287 [pid 10284] <... mprotect resumed>) = 0 [pid 10285] rt_sigprocmask(SIG_SETMASK, [], [pid 10283] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10284] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10285] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10283] <... futex resumed>) = 0 [pid 10285] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10284] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10285] <... futex resumed>) = 0 [pid 10284] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10285] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10283] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10284] <... clone3 resumed> => {parent_tid=[10288]}, 88) = 10288 [pid 10284] rt_sigprocmask(SIG_SETMASK, [], [pid 10286] <... futex resumed>) = 1 [pid 10284] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 10288 attached ./strace-static-x86_64: Process 10287 attached [pid 10286] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10284] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10286] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10286] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10283] <... futex resumed>) = 0 [pid 10283] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10283] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10288] set_robust_list(0x7f70b115b9a0, 24 [pid 10287] set_robust_list(0x7f70b115b9a0, 24 [pid 10286] <... futex resumed>) = 1 [pid 10284] <... futex resumed>) = 0 [pid 10284] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10287] <... set_robust_list resumed>) = 0 [pid 10287] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10287] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10287] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10285] <... futex resumed>) = 0 [pid 551] <... restart_syscall resumed>) = 0 [pid 10285] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10288] <... set_robust_list resumed>) = 0 [pid 552] <... restart_syscall resumed>) = 0 [pid 10285] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10288] rt_sigprocmask(SIG_SETMASK, [], [pid 10287] <... futex resumed>) = 1 [pid 10286] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000./strace-static-x86_64: Process 10289 attached [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10289 [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10288] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10287] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10289] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10289] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10289] setpgid(0, 0) = 0 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10290 [pid 10287] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10289] write(3, "1000", 4) = 4 executing program [pid 10289] close(3) = 0 [pid 10289] write(1, "executing program\n", 18) = 18 [pid 10289] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10289] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10289] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10289] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10289] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10289] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10287] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10288] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10289] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10289] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10288] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10287] <... futex resumed>) = 1 [pid 10285] <... futex resumed>) = 0 [pid 10286] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10285] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10285] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10289] <... clone3 resumed> => {parent_tid=[10291]}, 88) = 10291 [pid 10289] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10289] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10289] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10291 attached [pid 10291] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10291] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10287] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10288] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10290 attached [pid 10286] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10287] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10288] <... futex resumed>) = 1 [pid 10283] <... futex resumed>) = 0 [pid 10284] <... futex resumed>) = 0 [pid 10283] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10287] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10283] <... futex resumed>) = 0 [pid 10284] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10283] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10287] <... futex resumed>) = 1 [pid 10285] <... futex resumed>) = 0 [pid 10284] <... futex resumed>) = 0 [pid 10285] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10284] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10285] <... futex resumed>) = 0 [pid 10285] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10291] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10287] write(-1, "0x0000000000000001", 18 [pid 10288] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10286] <... futex resumed>) = 1 [pid 10291] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10291] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10289] <... futex resumed>) = 0 [pid 10289] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10289] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10291] <... futex resumed>) = 1 [pid 10291] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10287] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10291] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10291] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10289] <... futex resumed>) = 0 [pid 10289] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10289] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10291] <... futex resumed>) = 1 [pid 10291] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10291] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10289] <... futex resumed>) = 0 [pid 10289] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10289] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10291] <... futex resumed>) = 1 [pid 10291] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10291] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10289] <... futex resumed>) = 0 [pid 10289] exit_group(0) = ? [pid 10291] <... futex resumed>) = ? [pid 10287] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10288] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10287] <... futex resumed>) = 1 [pid 10288] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10287] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10285] <... futex resumed>) = 0 [pid 10288] <... futex resumed>) = 1 [pid 10286] write(-1, "0x0000000000000001", 18 [pid 10285] exit_group(0 [pid 10284] <... futex resumed>) = 0 [pid 10285] <... exit_group resumed>) = ? [pid 10284] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10284] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10287] <... futex resumed>) = ? [pid 10290] set_robust_list(0x55556dd196a0, 24 [pid 10288] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10287] +++ exited with 0 +++ [pid 10286] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10285] +++ exited with 0 +++ [pid 10291] +++ exited with 0 +++ [pid 10289] +++ exited with 0 +++ [pid 10288] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10286] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10285, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10289, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10290] <... set_robust_list resumed>) = 0 [pid 10290] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10290] setpgid(0, 0) = 0 [pid 10288] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10286] <... futex resumed>) = 1 [pid 10283] <... futex resumed>) = 0 [pid 10290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10288] <... futex resumed>) = 1 [pid 10284] <... futex resumed>) = 0 [pid 10286] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10284] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10283] exit_group(0 [pid 10284] <... futex resumed>) = 0 [pid 10284] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10283] <... exit_group resumed>) = ? [pid 10288] write(-1, "0x0000000000000001", 18 [pid 10286] <... futex resumed>) = ? [pid 10288] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10290] <... openat resumed>) = 3 [pid 10288] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] <... restart_syscall resumed>) = 0 [pid 10288] <... futex resumed>) = 1 [pid 10284] <... futex resumed>) = 0 [pid 554] <... restart_syscall resumed>) = 0 [pid 10288] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10284] exit_group(0 [pid 10286] +++ exited with 0 +++ [pid 10284] <... exit_group resumed>) = ? [pid 10283] +++ exited with 0 +++ [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10290] write(3, "1000", 4 [pid 10288] <... futex resumed>) = ? [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10283, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 553] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 10293 attached ./strace-static-x86_64: Process 10292 attached [pid 10290] <... write resumed>) = 4 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10292 [pid 10288] +++ exited with 0 +++ [pid 10284] +++ exited with 0 +++ [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10293 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10284, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10293] set_robust_list(0x55556dd196a0, 24 [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 10293] <... set_robust_list resumed>) = 0 [pid 10293] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10293] setpgid(0, 0) = 0 [pid 10293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10292] set_robust_list(0x55556dd196a0, 24 [pid 10293] write(3, "1000", 4) = 4 executing program [pid 10293] close(3) = 0 [pid 10293] write(1, "executing program\n", 18) = 18 [pid 10293] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10293] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10293] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10293] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10293] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10293] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10292] <... set_robust_list resumed>) = 0 [pid 10290] close(3 [pid 10293] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10293] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10292] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10290] <... close resumed>) = 0 [pid 10293] <... clone3 resumed> => {parent_tid=[10294]}, 88) = 10294 [pid 10293] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10293] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10293] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10294 attached [pid 10294] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10294] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10294] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10292] <... prctl resumed>) = 0 [pid 10294] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10290] write(1, "executing program\n", 18 [pid 10292] setpgid(0, 0 [pid 10294] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10293] <... futex resumed>) = 0 [pid 10293] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10293] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10294] <... futex resumed>) = 1 [pid 10294] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10294] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10293] <... futex resumed>) = 0 [pid 10293] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10293] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10294] <... futex resumed>) = 1 [pid 10294] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10294] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10293] <... futex resumed>) = 0 [pid 10293] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10293] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10294] <... futex resumed>) = 1 executing program [pid 10294] write(-1, "0x0000000000000001", 18 [pid 10292] <... setpgid resumed>) = 0 [pid 10290] <... write resumed>) = 18 [pid 10294] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10294] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 10290] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10294] <... futex resumed>) = 1 [pid 10293] <... futex resumed>) = 0 [pid 10293] exit_group(0) = ? [pid 10292] <... openat resumed>) = 3 [pid 10290] <... futex resumed>) = 0 [pid 10290] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10292] write(3, "1000", 4 [pid 10290] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10292] <... write resumed>) = 4 [pid 10290] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10292] close(3 [pid 10290] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10292] <... close resumed>) = 0 [pid 10290] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10292] write(1, "executing program\n", 18 [pid 10290] <... mmap resumed>) = 0x7f70b113b000 [pid 10292] <... write resumed>) = 18 [pid 10290] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10292] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10290] <... mprotect resumed>) = 0 [pid 10292] <... futex resumed>) = 0 [pid 10292] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10290] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10292] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10290] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10292] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10290] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10292] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10292] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 10295 attached [pid 10290] <... clone3 resumed> => {parent_tid=[10295]}, 88) = 10295 [pid 10295] set_robust_list(0x7f70b115b9a0, 24 [pid 10292] <... mmap resumed>) = 0x7f70b113b000 [pid 10290] rt_sigprocmask(SIG_SETMASK, [], [pid 10295] <... set_robust_list resumed>) = 0 [pid 10292] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10290] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10295] rt_sigprocmask(SIG_SETMASK, [], [pid 10292] <... mprotect resumed>) = 0 [pid 10295] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10290] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10292] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10290] <... futex resumed>) = 0 [pid 10292] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10290] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10292] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10295] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10295] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10294] +++ exited with 0 +++ [pid 10293] +++ exited with 0 +++ [pid 10292] <... clone3 resumed> => {parent_tid=[10296]}, 88) = 10296 [pid 10292] rt_sigprocmask(SIG_SETMASK, [], [pid 10295] <... futex resumed>) = 1 [pid 10292] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10290] <... futex resumed>) = 0 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10293, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10295] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10292] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10290] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10292] <... futex resumed>) = 0 [pid 10290] <... futex resumed>) = 0 [pid 10292] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10295] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10290] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10296 attached [pid 10296] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10295] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10296] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10296] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10296] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10292] <... futex resumed>) = 0 [pid 10292] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] <... restart_syscall resumed>) = 0 [pid 10295] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10292] <... futex resumed>) = 0 [pid 10292] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10296] <... futex resumed>) = 1 [pid 10296] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 553] <... restart_syscall resumed>) = 0 [pid 10295] <... futex resumed>) = 1 [pid 10290] <... futex resumed>) = 0 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10290] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10296] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10290] <... futex resumed>) = 0 [pid 10296] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10292] <... futex resumed>) = 0 [pid 10292] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10292] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10296] <... futex resumed>) = 1 [pid 10296] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10290] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10297 [pid 10295] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10296] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10292] <... futex resumed>) = 0 [pid 10292] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10292] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10296] <... futex resumed>) = 1 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10298 [pid 554] <... restart_syscall resumed>) = 0 [pid 10295] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10295] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10295] <... futex resumed>) = 1 [pid 10290] <... futex resumed>) = 0 [pid 10296] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10296] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10292] <... futex resumed>) = 0 [pid 10292] exit_group(0) = ? [pid 10290] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10295] write(-1, "0x0000000000000001", 18 [pid 10290] <... futex resumed>) = 0 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10299 [pid 10295] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10290] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10295] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10290] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10290] exit_group(0 [pid 10295] <... futex resumed>) = ? [pid 10290] <... exit_group resumed>) = ? [pid 10296] <... futex resumed>) = ? [pid 10296] +++ exited with 0 +++ [pid 10292] +++ exited with 0 +++ [pid 10295] +++ exited with 0 +++ [pid 10290] +++ exited with 0 +++ [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10292, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10290, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 552] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 10297 attached [pid 10297] set_robust_list(0x55556dd196a0, 24) = 0 ./strace-static-x86_64: Process 10298 attached [pid 10297] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10298] set_robust_list(0x55556dd196a0, 24 [pid 10297] <... prctl resumed>) = 0 [pid 10297] setpgid(0, 0) = 0 [pid 10297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10298] <... set_robust_list resumed>) = 0 [pid 10297] <... openat resumed>) = 3 ./strace-static-x86_64: Process 10299 attached [pid 10299] set_robust_list(0x55556dd196a0, 24 [pid 10297] write(3, "1000", 4 [pid 10298] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10297] <... write resumed>) = 4 [pid 10299] <... set_robust_list resumed>) = 0 [pid 10297] close(3 [pid 10299] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10297] <... close resumed>) = 0 executing program [pid 10297] write(1, "executing program\n", 18) = 18 [pid 10297] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10299] <... prctl resumed>) = 0 [pid 10299] setpgid(0, 0 [pid 10297] <... futex resumed>) = 0 [pid 10297] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10297] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10299] <... setpgid resumed>) = 0 [pid 10297] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10298] <... prctl resumed>) = 0 [pid 10297] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10297] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10297] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10298] setpgid(0, 0 [pid 10299] <... openat resumed>) = 3 [pid 10297] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10298] <... setpgid resumed>) = 0 [pid 10297] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10299] write(3, "1000", 4) = 4 [pid 10299] close(3) = 0 executing program [pid 10297] <... clone3 resumed> => {parent_tid=[10300]}, 88) = 10300 [pid 10299] write(1, "executing program\n", 18 [pid 10297] rt_sigprocmask(SIG_SETMASK, [], [pid 10299] <... write resumed>) = 18 [pid 10297] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10299] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10297] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10297] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10299] <... futex resumed>) = 0 [pid 10299] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10299] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10299] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10299] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10299] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10299] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10298] <... openat resumed>) = 3 [pid 10299] <... clone3 resumed> => {parent_tid=[10301]}, 88) = 10301 [pid 10298] write(3, "1000", 4 [pid 10299] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10299] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10299] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10300 attached [pid 10300] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10300] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10300] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10300] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10297] <... futex resumed>) = 0 [pid 10297] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10297] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10300] <... futex resumed>) = 1 [pid 10300] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10300] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10297] <... futex resumed>) = 0 [pid 10297] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10297] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10300] <... futex resumed>) = 1 [pid 10300] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10300] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10297] <... futex resumed>) = 0 [pid 10297] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10297] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10300] <... futex resumed>) = 1 [pid 10300] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10300] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10297] <... futex resumed>) = 0 [pid 10297] exit_group(0) = ? [pid 10300] <... futex resumed>) = ? ./strace-static-x86_64: Process 10301 attached [pid 10298] <... write resumed>) = 4 executing program [pid 10298] close(3) = 0 [pid 10298] write(1, "executing program\n", 18) = 18 [pid 10298] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10298] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10298] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 552] <... restart_syscall resumed>) = 0 [pid 10298] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10298] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 551] <... restart_syscall resumed>) = 0 [pid 10298] <... mmap resumed>) = 0x7f70b113b000 [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10298] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10298] <... mprotect resumed>) = 0 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10303 [pid 10298] rt_sigprocmask(SIG_BLOCK, ~[], [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10302 [pid 10298] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10298] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10304]}, 88) = 10304 [pid 10298] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10298] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10298] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10300] +++ exited with 0 +++ [pid 10297] +++ exited with 0 +++ [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10297, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 10303 attached ./strace-static-x86_64: Process 10302 attached [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 10302] set_robust_list(0x55556dd196a0, 24 [pid 10303] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10302] <... set_robust_list resumed>) = 0 [pid 10303] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10302] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10303] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 10304 attached [pid 10301] set_robust_list(0x7f70b115b9a0, 24 [pid 10302] setpgid(0, 0) = 0 [pid 10302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10301] <... set_robust_list resumed>) = 0 [pid 10303] setpgid(0, 0) = 0 [pid 10303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10302] <... openat resumed>) = 3 [pid 10303] <... openat resumed>) = 3 [pid 10302] write(3, "1000", 4) = 4 [pid 10302] close(3) = 0 [pid 10303] write(3, "1000", 4executing program [pid 10302] write(1, "executing program\n", 18 [pid 10303] <... write resumed>) = 4 [pid 10302] <... write resumed>) = 18 [pid 10303] close(3 [pid 10302] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10303] <... close resumed>) = 0 executing program [pid 10303] write(1, "executing program\n", 18 [pid 10302] <... futex resumed>) = 0 [pid 10303] <... write resumed>) = 18 [pid 10302] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10303] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10302] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10302] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10303] <... futex resumed>) = 0 [pid 10302] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10303] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10302] <... mmap resumed>) = 0x7f70b113b000 [pid 10303] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10303] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10302] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10303] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10302] <... mprotect resumed>) = 0 [pid 10303] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10302] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10303] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10301] rt_sigprocmask(SIG_SETMASK, [], [pid 10304] set_robust_list(0x7f70b115b9a0, 24 [pid 10303] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10302] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10302] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10303] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10303] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10301] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10304] <... set_robust_list resumed>) = 0 [pid 10302] <... clone3 resumed> => {parent_tid=[10305]}, 88) = 10305 [pid 10301] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10302] rt_sigprocmask(SIG_SETMASK, [], [pid 10301] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10304] rt_sigprocmask(SIG_SETMASK, [], [pid 10302] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10301] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10304] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10302] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10301] <... futex resumed>) = 1 [pid 10299] <... futex resumed>) = 0 [pid 10299] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10301] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10299] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10304] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10301] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10302] <... futex resumed>) = 0 [pid 10304] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10301] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10304] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10299] <... futex resumed>) = 0 [pid 10301] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10299] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10304] <... futex resumed>) = 1 [pid 10301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10299] <... futex resumed>) = 0 [pid 10298] <... futex resumed>) = 0 [pid 10304] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10301] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10299] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10298] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10301] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10304] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10301] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10298] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10304] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10301] <... futex resumed>) = 1 [pid 10299] <... futex resumed>) = 0 [pid 10301] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10299] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10299] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10304] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10302] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10301] write(-1, "0x0000000000000001", 18 [pid 10304] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10301] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10301] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10298] <... futex resumed>) = 0 [pid 10304] <... futex resumed>) = 1 [pid 10301] <... futex resumed>) = 1 [pid 10299] <... futex resumed>) = 0 [pid 10298] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10299] exit_group(0) = ? [pid 10298] <... futex resumed>) = 0 [pid 10304] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10298] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10303] <... clone3 resumed> => {parent_tid=[10306]}, 88) = 10306 [pid 10303] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10303] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10303] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10306 attached [pid 10306] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10301] +++ exited with 0 +++ [pid 10299] +++ exited with 0 +++ [pid 10304] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10299, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10304] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10298] <... futex resumed>) = 0 [pid 10304] <... futex resumed>) = 1 [pid 10298] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10306] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10298] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10304] write(-1, "0x0000000000000001", 18 [pid 10306] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10306] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10304] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 555] <... restart_syscall resumed>) = 0 [pid 10303] <... futex resumed>) = 0 [pid 10303] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10303] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10306] <... futex resumed>) = 1 [pid 10304] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10306] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10306] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10303] <... futex resumed>) = 0 [pid 10303] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10298] <... futex resumed>) = 0 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10307 [pid 10304] <... futex resumed>) = 1 [pid 10298] exit_group(0 [pid 10303] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10298] <... exit_group resumed>) = ? [pid 10306] <... futex resumed>) = 1 ./strace-static-x86_64: Process 10307 attached ./strace-static-x86_64: Process 10305 attached [pid 554] <... restart_syscall resumed>) = 0 [pid 10306] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10306] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10306] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10303] <... futex resumed>) = 0 [pid 10303] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10303] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10308 [pid 10306] <... futex resumed>) = 1 [pid 10306] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10306] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10303] <... futex resumed>) = 0 ./strace-static-x86_64: Process 10308 attached [pid 10304] +++ exited with 0 +++ [pid 10303] exit_group(0 [pid 10298] +++ exited with 0 +++ [pid 10308] set_robust_list(0x55556dd196a0, 24 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10298, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10308] <... set_robust_list resumed>) = 0 [pid 10303] <... exit_group resumed>) = ? [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10307] set_robust_list(0x55556dd196a0, 24 [pid 10306] <... futex resumed>) = ? [pid 10308] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10307] <... set_robust_list resumed>) = 0 [pid 10306] +++ exited with 0 +++ [pid 10303] +++ exited with 0 +++ [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10303, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10307] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10308] setpgid(0, 0 [pid 10307] <... prctl resumed>) = 0 [pid 10305] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10305] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10308] <... setpgid resumed>) = 0 [pid 10307] setpgid(0, 0 [pid 10305] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10305] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10302] <... futex resumed>) = 0 [pid 10302] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10302] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10305] <... futex resumed>) = 1 [pid 10305] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10307] <... setpgid resumed>) = 0 [pid 10305] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10305] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10302] <... futex resumed>) = 0 [pid 10302] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10302] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10305] <... futex resumed>) = 1 [pid 10305] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10305] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10302] <... futex resumed>) = 0 [pid 10302] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10302] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10305] <... futex resumed>) = 1 [pid 10305] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10305] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10302] <... futex resumed>) = 0 [pid 10308] <... openat resumed>) = 3 [pid 10302] exit_group(0) = ? [pid 10308] write(3, "1000", 4 [pid 10307] <... openat resumed>) = 3 [pid 10305] <... futex resumed>) = ? [pid 10308] <... write resumed>) = 4 [pid 10307] write(3, "1000", 4 [pid 10305] +++ exited with 0 +++ [pid 10302] +++ exited with 0 +++ [pid 10308] close(3executing program executing program [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10302, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10307] <... write resumed>) = 4 [pid 10308] <... close resumed>) = 0 [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10307] close(3 [pid 10308] write(1, "executing program\n", 18 [pid 10307] <... close resumed>) = 0 [pid 10308] <... write resumed>) = 18 [pid 10307] write(1, "executing program\n", 18 [pid 10308] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10307] <... write resumed>) = 18 [pid 10308] <... futex resumed>) = 0 [pid 10307] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10308] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10307] <... futex resumed>) = 0 [pid 10308] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10307] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10308] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10307] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10308] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10307] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10308] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10307] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10308] <... mmap resumed>) = 0x7f70b113b000 [pid 10307] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10308] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10307] <... mmap resumed>) = 0x7f70b113b000 [pid 10308] <... mprotect resumed>) = 0 [pid 10307] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10308] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10307] <... mprotect resumed>) = 0 [pid 10308] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10308] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10309]}, 88) = 10309 [pid 10308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10308] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10308] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10309 attached [pid 10309] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10307] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10309] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10309] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10308] <... futex resumed>) = 0 [pid 10308] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10308] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10309] <... futex resumed>) = 1 [pid 10309] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10309] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10308] <... futex resumed>) = 0 [pid 10308] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10308] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10309] <... futex resumed>) = 1 [pid 10309] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10309] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10308] <... futex resumed>) = 0 [pid 10308] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10308] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10309] <... futex resumed>) = 1 [pid 10309] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10309] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10308] <... futex resumed>) = 0 [pid 10308] exit_group(0) = ? [pid 10309] <... futex resumed>) = ? [pid 10307] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10307] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10310]}, 88) = 10310 [pid 553] <... restart_syscall resumed>) = 0 [pid 10307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10309] +++ exited with 0 +++ [pid 10308] +++ exited with 0 +++ ./strace-static-x86_64: Process 10310 attached [pid 552] <... restart_syscall resumed>) = 0 [pid 551] <... restart_syscall resumed>) = 0 [pid 10307] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10308, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10311 [pid 10307] <... futex resumed>) = 0 [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10310] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 554] <... restart_syscall resumed>) = 0 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10310] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10310] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10310] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 10311 attached [pid 10311] set_robust_list(0x55556dd196a0, 24) = 0 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10313 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10312 [pid 10307] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10311] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10311] setpgid(0, 0) = 0 [pid 10307] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10314 [pid 10311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10307] <... futex resumed>) = 1 [pid 10310] <... futex resumed>) = 0 [pid 10307] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10310] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) ./strace-static-x86_64: Process 10314 attached [pid 10310] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10310] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10307] <... futex resumed>) = 0 [pid 10307] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10310] <... futex resumed>) = 0 [pid 10307] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10310] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10314] set_robust_list(0x55556dd196a0, 24 [pid 10310] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10307] <... futex resumed>) = 0 [pid 10307] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10307] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10310] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10310] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10307] <... futex resumed>) = 0 [pid 10310] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10307] exit_group(0) = ? [pid 10310] <... futex resumed>) = ? [pid 10314] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 10312 attached [pid 10314] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10312] set_robust_list(0x55556dd196a0, 24 [pid 10314] <... prctl resumed>) = 0 [pid 10312] <... set_robust_list resumed>) = 0 [pid 10310] +++ exited with 0 +++ [pid 10307] +++ exited with 0 +++ [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10307, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 10311] <... openat resumed>) = 3 [pid 10311] write(3, "1000", 4) = 4 [pid 10311] close(3) = 0 [pid 10311] write(1, "executing program\n", 18executing program ) = 18 [pid 10311] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10311] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10311] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10311] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10311] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10311] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10314] setpgid(0, 0 [pid 10311] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10314] <... setpgid resumed>) = 0 [pid 10312] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10311] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10315]}, 88) = 10315 [pid 10311] rt_sigprocmask(SIG_SETMASK, [], [pid 10314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10312] <... prctl resumed>) = 0 [pid 10311] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10311] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10311] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10313 attached [pid 10313] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10313] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10314] <... openat resumed>) = 3 [pid 10312] setpgid(0, 0 [pid 10314] write(3, "1000", 4 [pid 10313] setpgid(0, 0) = 0 [pid 10314] <... write resumed>) = 4 [pid 10312] <... setpgid resumed>) = 0 [pid 10313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10313] write(3, "1000", 4) = 4 [pid 10313] close(3executing program ) = 0 [pid 10313] write(1, "executing program\n", 18) = 18 [pid 10313] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10313] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10313] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10313] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10313] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10313] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10313] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10316]}, 88) = 10316 [pid 10314] close(3 [pid 10312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10313] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10313] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10315 attached [pid 10315] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10315] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10315] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10311] <... futex resumed>) = 0 [pid 10311] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10311] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10315] <... futex resumed>) = 1 [pid 10315] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10315] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10311] <... futex resumed>) = 0 [pid 10311] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10311] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10315] <... futex resumed>) = 1 [pid 10315] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000executing program ) = -1 EBADF (Bad file descriptor) [pid 10315] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] <... restart_syscall resumed>) = 0 [pid 10314] <... close resumed>) = 0 [pid 10311] <... futex resumed>) = 0 [pid 10311] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10314] write(1, "executing program\n", 18 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10312] <... openat resumed>) = 3 [pid 10311] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10315] <... futex resumed>) = 1 [pid 10315] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10315] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10317 [pid 10314] <... write resumed>) = 18 [pid 10312] write(3, "1000", 4 [pid 10314] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10311] <... futex resumed>) = 0 [pid 10312] <... write resumed>) = 4 [pid 10314] <... futex resumed>) = 0 executing program [pid 10312] close(3 [pid 10314] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10312] <... close resumed>) = 0 [pid 10314] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10312] write(1, "executing program\n", 18 [pid 10314] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10312] <... write resumed>) = 18 [pid 10314] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10314] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10312] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10311] exit_group(0) = ? [pid 10314] <... mmap resumed>) = 0x7f70b113b000 [pid 10312] <... futex resumed>) = 0 [pid 10314] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10312] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10314] <... mprotect resumed>) = 0 [pid 10312] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10314] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10312] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10314] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10312] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10314] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10312] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 10317 attached [pid 10315] <... futex resumed>) = ? [pid 10312] <... mmap resumed>) = 0x7f70b113b000 [pid 10314] <... clone3 resumed> => {parent_tid=[10318]}, 88) = 10318 [pid 10312] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10312] <... mprotect resumed>) = 0 [pid 10317] set_robust_list(0x55556dd196a0, 24 [pid 10314] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10312] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10317] <... set_robust_list resumed>) = 0 [pid 10314] <... futex resumed>) = 0 [pid 10312] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10314] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10312] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10317] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10312] <... clone3 resumed> => {parent_tid=[10319]}, 88) = 10319 [pid 10317] setpgid(0, 0 [pid 10312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10317] <... setpgid resumed>) = 0 [pid 10312] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10312] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 10319 attached ) = 3 [pid 10315] +++ exited with 0 +++ [pid 10311] +++ exited with 0 +++ ./strace-static-x86_64: Process 10316 attached [pid 10316] set_robust_list(0x7f70b115b9a0, 24 [pid 10317] write(3, "1000", 4 [pid 10316] <... set_robust_list resumed>) = 0 [pid 10316] rt_sigprocmask(SIG_SETMASK, [], [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10311, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10317] <... write resumed>) = 4 [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10316] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10317] close(3 [pid 10316] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10316] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10313] <... futex resumed>) = 0 [pid 10313] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10313] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10316] <... futex resumed>) = 1 [pid 10316] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10316] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10313] <... futex resumed>) = 0 [pid 10313] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10313] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10316] <... futex resumed>) = 1 [pid 10316] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10317] <... close resumed>) = 0 [pid 10316] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10313] <... futex resumed>) = 0 [pid 10313] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10313] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10316] <... futex resumed>) = 1 [pid 10317] write(1, "executing program\n", 18 [pid 10319] set_robust_list(0x7f70b115b9a0, 24 [pid 10316] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10316] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10313] <... futex resumed>) = 0 [pid 10313] exit_group(0) = ? executing program [pid 10316] <... futex resumed>) = ? [pid 10317] <... write resumed>) = 18 [pid 10317] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10319] <... set_robust_list resumed>) = 0 [pid 10317] <... futex resumed>) = 0 [pid 10319] rt_sigprocmask(SIG_SETMASK, [], [pid 10316] +++ exited with 0 +++ [pid 10313] +++ exited with 0 +++ [pid 10317] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10313, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 10318 attached [pid 10318] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10317] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10318] rt_sigprocmask(SIG_SETMASK, [], [pid 10317] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10318] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10317] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10318] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10317] <... mmap resumed>) = 0x7f70b113b000 [pid 10318] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10318] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10317] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10314] <... futex resumed>) = 0 [pid 10317] <... mprotect resumed>) = 0 [pid 10314] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10314] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10318] <... futex resumed>) = 1 [pid 10317] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10318] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10317] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10318] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10317] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10318] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10314] <... futex resumed>) = 0 [pid 10314] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10319] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10314] <... futex resumed>) = 0 [pid 10317] <... clone3 resumed> => {parent_tid=[10320]}, 88) = 10320 [pid 10314] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10319] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10317] rt_sigprocmask(SIG_SETMASK, [], [pid 10318] <... futex resumed>) = 1 [pid 10319] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10317] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10319] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10318] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10317] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10318] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10318] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10317] <... futex resumed>) = 0 [pid 10319] <... futex resumed>) = 1 [pid 10312] <... futex resumed>) = 0 [pid 10317] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10312] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10319] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10312] <... futex resumed>) = 0 [pid 10314] <... futex resumed>) = 0 [pid 10312] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10319] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10314] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10314] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10318] <... futex resumed>) = 1 [pid 10318] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10318] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10314] <... futex resumed>) = 0 [pid 10314] exit_group(0) = ? [pid 10319] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10312] <... futex resumed>) = 0 [pid 10319] <... futex resumed>) = 1 ./strace-static-x86_64: Process 10320 attached [pid 10318] <... futex resumed>) = ? [pid 10312] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] <... restart_syscall resumed>) = 0 [pid 551] <... restart_syscall resumed>) = 0 [pid 10320] set_robust_list(0x7f70b115b9a0, 24 [pid 10319] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10312] <... futex resumed>) = 0 [pid 10312] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10318] +++ exited with 0 +++ [pid 10314] +++ exited with 0 +++ [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10314, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10319] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10319] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10312] <... futex resumed>) = 0 [pid 10312] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10312] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10319] <... futex resumed>) = 1 [pid 10319] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10321 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10322 [pid 10319] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10312] <... futex resumed>) = 0 [pid 10312] exit_group(0) = ? [pid 10319] <... futex resumed>) = ? ./strace-static-x86_64: Process 10322 attached ./strace-static-x86_64: Process 10321 attached [pid 10320] <... set_robust_list resumed>) = 0 [pid 10322] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10322] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10319] +++ exited with 0 +++ [pid 10312] +++ exited with 0 +++ [pid 10321] set_robust_list(0x55556dd196a0, 24 [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10312, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10320] rt_sigprocmask(SIG_SETMASK, [], [pid 10321] <... set_robust_list resumed>) = 0 [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10322] <... prctl resumed>) = 0 [pid 10322] setpgid(0, 0) = 0 [pid 10322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10320] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10322] <... openat resumed>) = 3 [pid 10320] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10322] write(3, "1000", 4executing program ) = 4 [pid 10322] close(3) = 0 [pid 10322] write(1, "executing program\n", 18) = 18 [pid 10322] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10322] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10322] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10322] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10322] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10322] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10321] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10320] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10322] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10322] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0}./strace-static-x86_64: Process 10323 attached [pid 10321] <... prctl resumed>) = 0 [pid 10320] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10322] <... clone3 resumed> => {parent_tid=[10323]}, 88) = 10323 [pid 10322] rt_sigprocmask(SIG_SETMASK, [], [pid 10321] setpgid(0, 0 [pid 10322] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10322] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10321] <... setpgid resumed>) = 0 [pid 10320] <... futex resumed>) = 1 [pid 10317] <... futex resumed>) = 0 [pid 10323] set_robust_list(0x7f70b115b9a0, 24 [pid 10322] <... futex resumed>) = 0 [pid 10321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10320] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10317] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10323] <... set_robust_list resumed>) = 0 [pid 10322] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10323] rt_sigprocmask(SIG_SETMASK, [], [pid 10317] <... futex resumed>) = 0 [pid 10323] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10317] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10323] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10323] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10322] <... futex resumed>) = 0 [pid 10323] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10322] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10323] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10322] <... futex resumed>) = 0 [pid 10323] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10322] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10323] <... futex resumed>) = 0 [pid 10322] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10323] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10322] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10323] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10322] <... futex resumed>) = 0 [pid 10323] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10322] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10323] <... futex resumed>) = 0 [pid 10322] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10323] write(-1, "0x0000000000000001", 18 [pid 10322] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10323] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10322] <... futex resumed>) = 0 [pid 10323] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10322] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10323] <... futex resumed>) = 0 [pid 10322] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10323] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10322] exit_group(0 [pid 10323] <... futex resumed>) = ? [pid 10322] <... exit_group resumed>) = ? [pid 10321] <... openat resumed>) = 3 [pid 10320] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10321] write(3, "1000", 4 [pid 10320] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10321] <... write resumed>) = 4 [pid 10320] <... futex resumed>) = 1 [pid 10317] <... futex resumed>) = 0 [pid 10323] +++ exited with 0 +++ [pid 10322] +++ exited with 0 +++ [pid 10321] close(3 [pid 10320] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10317] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10321] <... close resumed>) = 0 [pid 10320] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10317] <... futex resumed>) = 0 executing program [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10322, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10321] write(1, "executing program\n", 18 [pid 10320] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10317] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10321] <... write resumed>) = 18 [pid 10320] <... futex resumed>) = 0 [pid 10317] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10321] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10320] write(-1, "0x0000000000000001", 18 [pid 10317] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10321] <... futex resumed>) = 0 [pid 10320] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10317] <... futex resumed>) = 0 [pid 10321] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10320] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10317] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10320] <... futex resumed>) = 0 [pid 10317] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10321] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10320] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10317] exit_group(0 [pid 10320] <... futex resumed>) = ? [pid 10317] <... exit_group resumed>) = ? [pid 10321] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10321] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10321] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10321] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10320] +++ exited with 0 +++ [pid 10317] +++ exited with 0 +++ [pid 10321] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10317, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10321] <... clone3 resumed> => {parent_tid=[10324]}, 88) = 10324 [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 554] <... restart_syscall resumed>) = 0 [pid 552] <... restart_syscall resumed>) = 0 [pid 10321] rt_sigprocmask(SIG_SETMASK, [], [pid 555] <... restart_syscall resumed>) = 0 [pid 10321] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10321] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10321] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10324 attached [pid 10324] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10324] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 551] <... restart_syscall resumed>) = 0 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10326 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10325 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10327 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10328 [pid 10324] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10324] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10321] <... futex resumed>) = 0 [pid 10321] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10321] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10324] <... futex resumed>) = 1 [pid 10324] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10324] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10321] <... futex resumed>) = 0 [pid 10321] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10321] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10324] <... futex resumed>) = 1 [pid 10324] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10324] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10321] <... futex resumed>) = 0 [pid 10321] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10321] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10324] <... futex resumed>) = 1 [pid 10324] write(-1, "0x0000000000000001", 18./strace-static-x86_64: Process 10326 attached ./strace-static-x86_64: Process 10325 attached ) = -1 EBADF (Bad file descriptor) [pid 10324] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10321] <... futex resumed>) = 0 [pid 10321] exit_group(0) = ? [pid 10324] <... futex resumed>) = ? [pid 10326] set_robust_list(0x55556dd196a0, 24 [pid 10325] set_robust_list(0x55556dd196a0, 24 [pid 10326] <... set_robust_list resumed>) = 0 [pid 10325] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 10327 attached [pid 10324] +++ exited with 0 +++ [pid 10321] +++ exited with 0 +++ [pid 10326] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10321, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10325] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 553] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 10328 attached [pid 10328] set_robust_list(0x55556dd196a0, 24 [pid 10326] <... prctl resumed>) = 0 [pid 10328] <... set_robust_list resumed>) = 0 [pid 10328] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10328] setpgid(0, 0) = 0 [pid 10328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10326] setpgid(0, 0 [pid 10325] <... prctl resumed>) = 0 [pid 10327] set_robust_list(0x55556dd196a0, 24 [pid 10326] <... setpgid resumed>) = 0 [pid 10325] setpgid(0, 0 [pid 10328] <... openat resumed>) = 3 [pid 10326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10325] <... setpgid resumed>) = 0 [pid 10328] write(3, "1000", 4) = 4 [pid 10328] close(3) = 0 executing program [pid 10328] write(1, "executing program\n", 18) = 18 [pid 10328] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10328] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10328] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10328] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10328] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10328] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10326] <... openat resumed>) = 3 [pid 10328] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10329]}, 88) = 10329 [pid 10326] write(3, "1000", 4 [pid 10325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10328] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10328] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10328] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10329 attached [pid 10329] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10329] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10329] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10329] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10328] <... futex resumed>) = 0 [pid 10328] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10328] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10329] <... futex resumed>) = 1 [pid 10329] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10326] <... write resumed>) = 4 [pid 10329] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10325] <... openat resumed>) = 3 [pid 10327] <... set_robust_list resumed>) = 0 [pid 10326] close(3 [pid 10329] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10328] <... futex resumed>) = 0 [pid 10328] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 10328] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10326] <... close resumed>) = 0 [pid 10325] write(3, "1000", 4 [pid 10329] <... futex resumed>) = 1 [pid 10327] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10326] write(1, "executing program\n", 18 [pid 10325] <... write resumed>) = 4 [pid 10327] <... prctl resumed>) = 0 [pid 10326] <... write resumed>) = 18 [pid 10329] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10326] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10325] close(3 executing program [pid 10327] setpgid(0, 0 [pid 10326] <... futex resumed>) = 0 [pid 10326] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10327] <... setpgid resumed>) = 0 [pid 10325] <... close resumed>) = 0 [pid 10326] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10326] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10325] write(1, "executing program\n", 18 [pid 10329] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10329] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10328] <... futex resumed>) = 0 [pid 10328] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10326] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10325] <... write resumed>) = 18 [pid 10326] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10328] <... futex resumed>) = 0 [pid 10327] <... openat resumed>) = 3 [pid 10326] <... mmap resumed>) = 0x7f70b113b000 [pid 10327] write(3, "1000", 4 [pid 10325] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10326] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10328] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10327] <... write resumed>) = 4 [pid 10326] <... mprotect resumed>) = 0 [pid 10325] <... futex resumed>) = 0 [pid 10329] <... futex resumed>) = 1 [pid 10326] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10325] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10327] close(3 [pid 10326] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10329] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10325] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10327] <... close resumed>) = 0 executing program [pid 10326] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10325] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10329] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10328] <... futex resumed>) = 0 [pid 10328] exit_group(0 [pid 10327] write(1, "executing program\n", 18 [pid 10325] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10328] <... exit_group resumed>) = ? [pid 10327] <... write resumed>) = 18 [pid 10326] <... clone3 resumed> => {parent_tid=[10330]}, 88) = 10330 [pid 10325] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10329] <... futex resumed>) = ? [pid 10326] rt_sigprocmask(SIG_SETMASK, [], [pid 10325] <... mmap resumed>) = 0x7f70b113b000 [pid 10327] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10326] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10325] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10327] <... futex resumed>) = 0 [pid 10326] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10325] <... mprotect resumed>) = 0 [pid 10326] <... futex resumed>) = 0 [pid 553] <... restart_syscall resumed>) = 0 [pid 10327] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10326] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10325] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10327] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10325] <... rt_sigprocmask resumed>[], 8) = 0 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10330 attached [pid 10327] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10325] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10331 [pid 10327] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10325] <... clone3 resumed> => {parent_tid=[10332]}, 88) = 10332 [pid 10327] <... mmap resumed>) = 0x7f70b113b000 [pid 10325] rt_sigprocmask(SIG_SETMASK, [], [pid 10327] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10325] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 10332 attached [pid 10332] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10332] rt_sigprocmask(SIG_SETMASK, [], [pid 10327] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10325] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10332] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10327] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10325] <... futex resumed>) = 0 [pid 10327] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10325] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10332] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10332] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10325] <... futex resumed>) = 0 [pid 10325] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10325] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10332] <... futex resumed>) = 1 [pid 10332] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10327] <... clone3 resumed> => {parent_tid=[10333]}, 88) = 10333 [pid 10332] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10327] rt_sigprocmask(SIG_SETMASK, [], [pid 10332] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10327] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10327] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10325] <... futex resumed>) = 0 [pid 10327] <... futex resumed>) = 0 [pid 10325] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10327] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10325] <... futex resumed>) = 0 [pid 10325] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10332] <... futex resumed>) = 1 [pid 10332] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10332] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10330] set_robust_list(0x7f70b115b9a0, 24 [pid 10325] <... futex resumed>) = 0 [pid 10325] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10325] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10332] <... futex resumed>) = 1 [pid 10332] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10332] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10325] <... futex resumed>) = 0 [pid 10325] exit_group(0) = ? [pid 10332] <... futex resumed>) = ? [pid 10330] <... set_robust_list resumed>) = 0 [pid 10332] +++ exited with 0 +++ [pid 10329] +++ exited with 0 +++ [pid 10328] +++ exited with 0 +++ [pid 10325] +++ exited with 0 +++ [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10328, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10325, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 552] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 10331 attached [pid 10331] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10331] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10330] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 10333 attached [pid 10331] <... prctl resumed>) = 0 [pid 10331] setpgid(0, 0) = 0 [pid 10331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10330] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10333] set_robust_list(0x7f70b115b9a0, 24 [pid 10331] <... openat resumed>) = 3 [pid 10331] write(3, "1000", 4executing program ) = 4 [pid 10331] close(3) = 0 [pid 10331] write(1, "executing program\n", 18) = 18 [pid 10331] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10331] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10331] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10331] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10331] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10331] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10333] <... set_robust_list resumed>) = 0 [pid 10330] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10331] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10334]}, 88) = 10334 ./strace-static-x86_64: Process 10334 attached [pid 10333] rt_sigprocmask(SIG_SETMASK, [], [pid 10330] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10331] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10331] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10331] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10334] set_robust_list(0x7f70b115b9a0, 24 [pid 10333] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10330] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10334] <... set_robust_list resumed>) = 0 [pid 10334] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10334] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10334] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10331] <... futex resumed>) = 0 [pid 10331] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10331] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10334] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10330] <... futex resumed>) = 1 [pid 10326] <... futex resumed>) = 0 [pid 10334] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10333] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10326] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10330] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10334] <... futex resumed>) = 1 [pid 10331] <... futex resumed>) = 0 [pid 10331] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10331] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10334] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10334] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10331] <... futex resumed>) = 0 [pid 10331] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10331] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10334] write(-1, "0x0000000000000001", 18 [pid 10326] <... futex resumed>) = 0 [pid 10334] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10334] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10330] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10333] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10326] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10331] <... futex resumed>) = 0 [pid 10331] exit_group(0) = ? [pid 10334] +++ exited with 0 +++ [pid 10333] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10331] +++ exited with 0 +++ [pid 10330] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10333] <... futex resumed>) = 1 [pid 10327] <... futex resumed>) = 0 [pid 10330] <... futex resumed>) = 1 [pid 10333] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10327] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10330] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10326] <... futex resumed>) = 0 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10331, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10327] <... futex resumed>) = 0 [pid 10326] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10333] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10330] <... futex resumed>) = 0 [pid 10327] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10326] <... futex resumed>) = 1 [pid 553] <... restart_syscall resumed>) = 0 [pid 10333] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10330] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10326] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 551] <... restart_syscall resumed>) = 0 [pid 10333] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10330] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10333] <... futex resumed>) = 1 [pid 10330] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10327] <... futex resumed>) = 0 [pid 552] <... restart_syscall resumed>) = 0 [pid 10333] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10330] <... futex resumed>) = 1 [pid 10327] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10326] <... futex resumed>) = 0 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10330] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10327] <... futex resumed>) = 0 [pid 10326] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10333] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10330] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10327] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10326] <... futex resumed>) = 0 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10336 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10335 [pid 10333] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10330] write(-1, "0x0000000000000001", 18 [pid 10326] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10333] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10330] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10333] <... futex resumed>) = 1 [pid 10327] <... futex resumed>) = 0 [pid 10333] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10327] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10327] <... futex resumed>) = 0 [pid 10333] write(-1, "0x0000000000000001", 18 [pid 10327] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10333] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10330] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10333] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10330] <... futex resumed>) = 1 [pid 10333] <... futex resumed>) = 1 [pid 10330] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10327] <... futex resumed>) = 0 [pid 10326] <... futex resumed>) = 0 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10337 [pid 10333] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10327] exit_group(0 [pid 10333] <... futex resumed>) = ? [pid 10327] <... exit_group resumed>) = ? [pid 10326] exit_group(0./strace-static-x86_64: Process 10337 attached [pid 10333] +++ exited with 0 +++ [pid 10327] +++ exited with 0 +++ [pid 10330] <... futex resumed>) = 230 [pid 10326] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 10336 attached [pid 10336] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10336] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10336] setpgid(0, 0) = 0 [pid 10336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10330] +++ exited with 0 +++ [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10327, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10336] <... openat resumed>) = 3 [pid 10336] write(3, "1000", 4) = 4 [pid 10336] close(3) = 0 [pid 10336] write(1, "executing program\n", 18 [pid 10326] +++ exited with 0 +++ [pid 555] restart_syscall(<... resuming interrupted clone ...>executing program [pid 10336] <... write resumed>) = 18 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10326, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10336] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10336] <... futex resumed>) = 0 [pid 10336] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10336] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10336] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10336] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10337] set_robust_list(0x55556dd196a0, 24 [pid 10336] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10336] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10337] <... set_robust_list resumed>) = 0 [pid 10336] <... clone3 resumed> => {parent_tid=[10338]}, 88) = 10338 [pid 10336] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10336] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10336] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10335 attached [pid 10335] set_robust_list(0x55556dd196a0, 24./strace-static-x86_64: Process 10338 attached [pid 10337] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10335] <... set_robust_list resumed>) = 0 [pid 10335] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10335] setpgid(0, 0) = 0 [pid 10335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10337] <... prctl resumed>) = 0 [pid 10335] <... openat resumed>) = 3 [pid 10335] write(3, "1000", 4) = 4 [pid 10335] close(3) = 0 [pid 10335] write(1, "executing program\n", 18executing program ) = 18 [pid 10335] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10335] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10335] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10335] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10335] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10335] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10338] set_robust_list(0x7f70b115b9a0, 24 [pid 10337] setpgid(0, 0 [pid 10335] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10335] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10339]}, 88) = 10339 [pid 10338] <... set_robust_list resumed>) = 0 [pid 10337] <... setpgid resumed>) = 0 [pid 10335] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10335] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10335] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10339 attached [pid 10339] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10339] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10339] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10339] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10335] <... futex resumed>) = 0 [pid 10335] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10335] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10339] <... futex resumed>) = 1 [pid 10339] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10339] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10335] <... futex resumed>) = 0 [pid 10335] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10335] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10339] <... futex resumed>) = 1 [pid 10339] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10339] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10335] <... futex resumed>) = 0 [pid 10337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10335] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10335] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10339] <... futex resumed>) = 1 [pid 10339] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10339] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10337] <... openat resumed>) = 3 [pid 10335] <... futex resumed>) = 0 [pid 10335] exit_group(0) = ? [pid 10339] <... futex resumed>) = ? [pid 10337] write(3, "1000", 4 [pid 10338] rt_sigprocmask(SIG_SETMASK, [], [pid 10337] <... write resumed>) = 4 [pid 10338] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10337] close(3 [pid 554] <... restart_syscall resumed>) = 0 executing program [pid 10337] <... close resumed>) = 0 [pid 10337] write(1, "executing program\n", 18 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 555] <... restart_syscall resumed>) = 0 [pid 10337] <... write resumed>) = 18 [pid 10337] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10339] +++ exited with 0 +++ [pid 10335] +++ exited with 0 +++ [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10335, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10340 [pid 10337] <... futex resumed>) = 0 [pid 551] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 10340 attached [pid 10340] set_robust_list(0x55556dd196a0, 24) = 0 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10341 [pid 10337] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10340] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10340] setpgid(0, 0 [pid 10337] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10338] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10340] <... setpgid resumed>) = 0 [pid 10340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10337] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10337] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10340] <... openat resumed>) = 3 executing program [pid 10340] write(3, "1000", 4) = 4 [pid 10340] close(3) = 0 [pid 10340] write(1, "executing program\n", 18) = 18 [pid 10340] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10340] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10340] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10340] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10340] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10340] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10337] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10338] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10337] <... mprotect resumed>) = 0 [pid 10340] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10340] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10342]}, 88) = 10342 [pid 10337] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10340] rt_sigprocmask(SIG_SETMASK, [], [pid 10337] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10340] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10337] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10340] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10340] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10337] <... clone3 resumed> => {parent_tid=[10343]}, 88) = 10343 [pid 10337] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 10341 attached NULL, 8) = 0 [pid 10337] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10337] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10341] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10341] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10341] setpgid(0, 0) = 0 [pid 10341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 10343 attached [pid 10338] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10341] <... openat resumed>) = 3 [pid 10341] write(3, "1000", 4) = 4 executing program [pid 10341] close(3) = 0 [pid 10341] write(1, "executing program\n", 18) = 18 [pid 10341] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10338] <... futex resumed>) = 1 [pid 10336] <... futex resumed>) = 0 [pid 10336] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10336] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10341] <... futex resumed>) = 0 [pid 10341] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10341] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10341] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10338] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10343] set_robust_list(0x7f70b115b9a0, 24 [pid 10341] <... mmap resumed>) = 0x7f70b113b000 [pid 10341] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10338] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10341] <... mprotect resumed>) = 0 [pid 10341] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10341] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10344]}, 88) = 10344 [pid 10341] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10341] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10341] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10338] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10342 attached [pid 10342] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10342] rt_sigprocmask(SIG_SETMASK, [], [pid 10338] <... futex resumed>) = 1 [pid 10336] <... futex resumed>) = 0 [pid 10336] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10338] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10336] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10338] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10338] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10338] <... futex resumed>) = 0 [pid 10338] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10336] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10338] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10336] <... futex resumed>) = 0 [pid 10338] write(-1, "0x0000000000000001", 18 [pid 10336] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10338] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10342] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10342] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10338] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10336] <... futex resumed>) = 0 [pid 10338] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10336] exit_group(0) = ? [pid 10338] <... futex resumed>) = ? [pid 10342] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10342] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10340] <... futex resumed>) = 0 [pid 10340] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10340] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10342] <... futex resumed>) = 1 [pid 10342] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10342] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10340] <... futex resumed>) = 0 [pid 10340] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10338] +++ exited with 0 +++ [pid 10336] +++ exited with 0 +++ [pid 10340] <... futex resumed>) = 0 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10336, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10340] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10342] <... futex resumed>) = 1 [pid 10342] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10343] <... set_robust_list resumed>) = 0 [pid 10342] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10340] <... futex resumed>) = 0 [pid 10340] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10340] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10342] <... futex resumed>) = 1 [pid 10343] rt_sigprocmask(SIG_SETMASK, [], [pid 10342] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10342] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] <... restart_syscall resumed>) = 0 [pid 10343] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10343] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10345 [pid 553] <... restart_syscall resumed>) = 0 [pid 10343] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10340] <... futex resumed>) = 0 [pid 10343] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10340] exit_group(0) = ? [pid 10342] <... futex resumed>) = ? [pid 10337] <... futex resumed>) = 0 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10346 [pid 10343] <... futex resumed>) = 1 [pid 10337] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10343] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10337] <... futex resumed>) = 0 [pid 10337] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10343] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10343] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10337] <... futex resumed>) = 0 [pid 10343] <... futex resumed>) = 1 [pid 10337] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10343] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10342] +++ exited with 0 +++ [pid 10340] +++ exited with 0 +++ ./strace-static-x86_64: Process 10344 attached [pid 10337] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10343] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10340, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10344] set_robust_list(0x7f70b115b9a0, 24 [pid 10343] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10344] <... set_robust_list resumed>) = 0 [pid 10337] <... futex resumed>) = 0 [pid 10343] <... futex resumed>) = 1 [pid 10337] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10344] rt_sigprocmask(SIG_SETMASK, [], [pid 10337] <... futex resumed>) = 0 [pid 10344] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10337] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10343] write(-1, "0x0000000000000001", 18 [pid 10344] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10344] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10341] <... futex resumed>) = 0 [pid 10341] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10341] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10344] <... futex resumed>) = 1 [pid 10344] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10343] <... write resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 10345 attached [pid 10343] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10344] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10343] <... futex resumed>) = 1 [pid 10337] <... futex resumed>) = 0 [pid 10341] <... futex resumed>) = 0 [pid 10337] exit_group(0 [pid 10343] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10337] <... exit_group resumed>) = ? [pid 10343] +++ exited with 0 +++ [pid 10341] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10341] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10344] <... futex resumed>) = 1 [pid 10344] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10344] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10341] <... futex resumed>) = 0 [pid 10341] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10341] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10344] <... futex resumed>) = 1 [pid 10337] +++ exited with 0 +++ [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10337, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10344] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10344] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10341] <... futex resumed>) = 0 [pid 10341] exit_group(0) = ? [pid 10344] <... futex resumed>) = ? [pid 10345] set_robust_list(0x55556dd196a0, 24./strace-static-x86_64: Process 10346 attached [pid 10346] set_robust_list(0x55556dd196a0, 24 [pid 10345] <... set_robust_list resumed>) = 0 [pid 10346] <... set_robust_list resumed>) = 0 [pid 10346] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10345] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10346] <... prctl resumed>) = 0 [pid 10346] setpgid(0, 0) = 0 [pid 10345] <... prctl resumed>) = 0 [pid 10344] +++ exited with 0 +++ [pid 10341] +++ exited with 0 +++ [pid 10345] setpgid(0, 0) = 0 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10341, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 555] restart_syscall(<... resuming interrupted clone ...> executing program [pid 10345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10346] <... openat resumed>) = 3 [pid 10346] write(3, "1000", 4) = 4 [pid 10346] close(3) = 0 [pid 10346] write(1, "executing program\n", 18 [pid 10345] <... openat resumed>) = 3 [pid 10346] <... write resumed>) = 18 [pid 10346] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10346] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10345] write(3, "1000", 4 [pid 10346] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10346] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10346] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10346] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10346] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10346] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10347]}, 88) = 10347 [pid 10346] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10346] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10346] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10347 attached [pid 10347] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10347] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10347] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10345] <... write resumed>) = 4 [pid 10347] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10347] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10346] <... futex resumed>) = 0 [pid 10346] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10346] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10347] <... futex resumed>) = 1 [pid 10347] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10347] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10346] <... futex resumed>) = 0 [pid 10346] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10346] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10347] <... futex resumed>) = 1 [pid 10347] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10347] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10346] <... futex resumed>) = 0 [pid 10346] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10346] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10347] <... futex resumed>) = 1 [pid 10347] write(-1, "0x0000000000000001", 18 [pid 10345] close(3 [pid 10347] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10347] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10346] <... futex resumed>) = 0 executing program [pid 10345] <... close resumed>) = 0 [pid 10346] exit_group(0 [pid 10345] write(1, "executing program\n", 18 [pid 10346] <... exit_group resumed>) = ? [pid 10345] <... write resumed>) = 18 [pid 10345] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 554] <... restart_syscall resumed>) = 0 [pid 10345] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 555] <... restart_syscall resumed>) = 0 [pid 10345] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10347] <... futex resumed>) = ? [pid 10345] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10345] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 552] <... restart_syscall resumed>) = 0 [pid 10347] +++ exited with 0 +++ [pid 10346] +++ exited with 0 +++ ./strace-static-x86_64: Process 10348 attached [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10346, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10349 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10348 [pid 10345] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10348] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10348] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10348] setpgid(0, 0) = 0 [pid 10348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10348] write(3, "1000", 4 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10350 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10351 [pid 10345] <... mmap resumed>) = 0x7f70b113b000 executing program [pid 10345] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10348] <... write resumed>) = 4 [pid 10345] <... mprotect resumed>) = 0 [pid 10348] close(3) = 0 [pid 10348] write(1, "executing program\n", 18 [pid 10345] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10345] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10348] <... write resumed>) = 18 [pid 10348] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10348] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10345] <... clone3 resumed> => {parent_tid=[10352]}, 88) = 10352 [pid 10348] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10345] rt_sigprocmask(SIG_SETMASK, [], [pid 10348] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10345] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10348] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10345] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10348] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10345] <... futex resumed>) = 0 [pid 10345] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10348] <... mmap resumed>) = 0x7f70b113b000 [pid 10348] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 10349 attached [pid 10348] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10348] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10353]}, 88) = 10353 [pid 10348] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10348] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10348] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10350 attached [pid 10350] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10350] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10350] setpgid(0, 0./strace-static-x86_64: Process 10351 attached ) = 0 [pid 10350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10351] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10349] set_robust_list(0x55556dd196a0, 24 [pid 10351] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 10352 attached [pid 10349] <... set_robust_list resumed>) = 0 [pid 10350] <... openat resumed>) = 3 [pid 10351] <... prctl resumed>) = 0 [pid 10349] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10351] setpgid(0, 0) = 0 [pid 10351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10350] write(3, "1000", 4) = 4 [pid 10350] close(3) = 0 executing program [pid 10350] write(1, "executing program\n", 18) = 18 [pid 10351] <... openat resumed>) = 3 [pid 10350] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10350] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10350] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10350] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10351] write(3, "1000", 4) = 4 [pid 10350] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10351] close(3 [pid 10350] <... mprotect resumed>) = 0 [pid 10349] <... prctl resumed>) = 0 [pid 10351] <... close resumed>) = 0 [pid 10351] write(1, "executing program\n", 18 [pid 10350] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10349] setpgid(0, 0executing program [pid 10351] <... write resumed>) = 18 [pid 10351] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10351] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10351] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10351] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10350] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10351] <... mmap resumed>) = 0x7f70b113b000 [pid 10350] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10351] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10349] <... setpgid resumed>) = 0 [pid 10352] set_robust_list(0x7f70b115b9a0, 24 [pid 10350] <... clone3 resumed> => {parent_tid=[10354]}, 88) = 10354 [pid 10350] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10350] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10351] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10350] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10351] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10351] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10352] <... set_robust_list resumed>) = 0 [pid 10349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10352] rt_sigprocmask(SIG_SETMASK, [], [pid 10349] write(3, "1000", 4 [pid 10352] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10349] <... write resumed>) = 4 [pid 10349] close(3 [pid 10352] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 executing program [pid 10349] <... close resumed>) = 0 [pid 10349] write(1, "executing program\n", 18 [pid 10352] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10349] <... write resumed>) = 18 [pid 10349] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10352] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10349] <... futex resumed>) = 0 [pid 10351] <... clone3 resumed> => {parent_tid=[10355]}, 88) = 10355 [pid 10349] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10352] <... futex resumed>) = 1 [pid 10349] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10345] <... futex resumed>) = 0 [pid 10352] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10349] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10345] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10351] rt_sigprocmask(SIG_SETMASK, [], [pid 10352] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10349] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10345] <... futex resumed>) = 0 [pid 10352] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10349] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10345] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10349] <... mmap resumed>) = 0x7f70b113b000 [pid 10352] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10351] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10349] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10351] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10349] <... mprotect resumed>) = 0 [pid 10352] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10351] <... futex resumed>) = 0 [pid 10351] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10349] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10352] <... futex resumed>) = 1 [pid 10349] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10345] <... futex resumed>) = 0 [pid 10352] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10349] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10345] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 10353 attached [pid 10345] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10353] set_robust_list(0x7f70b115b9a0, 24 [pid 10352] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10353] <... set_robust_list resumed>) = 0 [pid 10353] rt_sigprocmask(SIG_SETMASK, [], [pid 10352] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10349] <... clone3 resumed> => {parent_tid=[10356]}, 88) = 10356 [pid 10353] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10349] rt_sigprocmask(SIG_SETMASK, [], [pid 10352] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10349] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10349] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10352] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10349] <... futex resumed>) = 0 [pid 10345] <... futex resumed>) = 0 [pid 10349] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10345] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10352] <... futex resumed>) = 1 [pid 10345] <... futex resumed>) = 0 [pid 10345] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10352] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10353] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10352] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10353] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10353] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10348] <... futex resumed>) = 0 [pid 10348] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10348] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10353] <... futex resumed>) = 1 [pid 10353] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10353] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10348] <... futex resumed>) = 0 [pid 10348] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10348] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10353] <... futex resumed>) = 1 [pid 10353] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10353] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10348] <... futex resumed>) = 0 [pid 10348] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10348] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10353] <... futex resumed>) = 1 [pid 10353] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10353] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10348] <... futex resumed>) = 0 [pid 10348] exit_group(0) = ? [pid 10353] <... futex resumed>) = ? ./strace-static-x86_64: Process 10356 attached ./strace-static-x86_64: Process 10355 attached [pid 10353] +++ exited with 0 +++ [pid 10352] <... futex resumed>) = 1 [pid 10348] +++ exited with 0 +++ [pid 10345] <... futex resumed>) = 0 ./strace-static-x86_64: Process 10354 attached [pid 10345] exit_group(0 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10348, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10352] exit_group(0 [pid 10355] set_robust_list(0x7f70b115b9a0, 24 [pid 10345] <... exit_group resumed>) = ? [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10354] set_robust_list(0x7f70b115b9a0, 24 [pid 10352] +++ exited with 0 +++ [pid 10354] <... set_robust_list resumed>) = 0 [pid 10354] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10354] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10354] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10350] <... futex resumed>) = 0 [pid 10350] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10345] +++ exited with 0 +++ [pid 10355] <... set_robust_list resumed>) = 0 [pid 10350] <... futex resumed>) = 0 [pid 10350] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10345, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10354] <... futex resumed>) = 1 [pid 10354] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10354] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10350] <... futex resumed>) = 0 [pid 10350] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10350] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10354] <... futex resumed>) = 1 [pid 10354] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10354] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10350] <... futex resumed>) = 0 [pid 10350] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10350] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10354] <... futex resumed>) = 1 [pid 10354] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10354] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10350] <... futex resumed>) = 0 [pid 10350] exit_group(0) = ? [pid 10354] <... futex resumed>) = ? [pid 10356] set_robust_list(0x7f70b115b9a0, 24 [pid 10355] rt_sigprocmask(SIG_SETMASK, [], [pid 10354] +++ exited with 0 +++ [pid 10350] +++ exited with 0 +++ [pid 10356] <... set_robust_list resumed>) = 0 [pid 10356] rt_sigprocmask(SIG_SETMASK, [], [pid 10355] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10350, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10356] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10356] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10355] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10356] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10356] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10355] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10349] <... futex resumed>) = 0 [pid 10356] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10355] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10349] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10356] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10355] <... futex resumed>) = 1 [pid 10351] <... futex resumed>) = 0 [pid 10349] <... futex resumed>) = 0 [pid 10356] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10355] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10351] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10356] <... futex resumed>) = 0 [pid 10351] <... futex resumed>) = 0 [pid 10349] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10356] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10355] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10351] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10349] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10355] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10349] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10355] <... futex resumed>) = 0 [pid 10351] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10356] <... futex resumed>) = 0 [pid 10355] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10351] <... futex resumed>) = 0 [pid 10349] <... futex resumed>) = 1 [pid 10356] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10355] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10351] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10349] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10356] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10355] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 551] <... restart_syscall resumed>) = 0 [pid 10356] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10355] <... futex resumed>) = 0 [pid 10351] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10356] <... futex resumed>) = 1 [pid 10355] write(-1, "0x0000000000000001", 18 [pid 10351] <... futex resumed>) = 0 [pid 10349] <... futex resumed>) = 0 [pid 10356] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10355] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10351] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10349] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10356] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10355] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10349] <... futex resumed>) = 0 ./strace-static-x86_64: Process 10357 attached [pid 10356] write(-1, "0x0000000000000001", 18 [pid 10355] <... futex resumed>) = 0 [pid 10351] exit_group(0 [pid 10349] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10357 [pid 10356] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10351] <... exit_group resumed>) = ? [pid 10357] set_robust_list(0x55556dd196a0, 24 [pid 10356] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10355] +++ exited with 0 +++ [pid 10351] +++ exited with 0 +++ [pid 554] <... restart_syscall resumed>) = 0 [pid 10356] <... futex resumed>) = 1 [pid 10349] <... futex resumed>) = 0 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10351, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 552] <... restart_syscall resumed>) = 0 [pid 10356] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10349] exit_group(0 [pid 10356] <... futex resumed>) = ? [pid 10349] <... exit_group resumed>) = ? [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10357] <... set_robust_list resumed>) = 0 [pid 10356] +++ exited with 0 +++ [pid 10349] +++ exited with 0 +++ [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 553] <... restart_syscall resumed>) = 0 [pid 10357] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10357] setpgid(0, 0) = 0 [pid 10357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10349, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10358 [pid 10357] <... openat resumed>) = 3 [pid 10357] write(3, "1000", 4) = 4 [pid 10357] close(3) = 0 [pid 10357] write(1, "executing program\n", 18executing program [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10359 [pid 10357] <... write resumed>) = 18 [pid 10357] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10357] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10357] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10357] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10360 [pid 10357] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10357] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10357] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10361]}, 88) = 10361 [pid 10357] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10357] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10357] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10358 attached [pid 10358] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10358] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10358] setpgid(0, 0) = 0 [pid 10358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 10359 attached ) = 3 [pid 10359] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10359] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10358] write(3, "1000", 4) = 4 [pid 10358] close(3) = 0 [pid 10359] <... prctl resumed>) = 0 executing program [pid 10358] write(1, "executing program\n", 18 [pid 10359] setpgid(0, 0 [pid 10358] <... write resumed>) = 18 [pid 10358] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10359] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 10361 attached ./strace-static-x86_64: Process 10360 attached [pid 10359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10358] <... futex resumed>) = 0 [pid 10358] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10358] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10358] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10361] set_robust_list(0x7f70b115b9a0, 24 [pid 10360] set_robust_list(0x55556dd196a0, 24 [pid 10359] <... openat resumed>) = 3 [pid 10358] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10359] write(3, "1000", 4 [pid 10358] <... mprotect resumed>) = 0 [pid 10361] <... set_robust_list resumed>) = 0 [pid 10360] <... set_robust_list resumed>) = 0 [pid 10359] <... write resumed>) = 4 [pid 10358] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10359] close(3 [pid 10358] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10359] <... close resumed>) = 0 [pid 10358] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10359] write(1, "executing program\n", 18executing program ) = 18 [pid 10358] <... clone3 resumed> => {parent_tid=[10362]}, 88) = 10362 [pid 10359] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10358] rt_sigprocmask(SIG_SETMASK, [], [pid 10359] <... futex resumed>) = 0 [pid 10358] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10359] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10358] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10359] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10358] <... futex resumed>) = 0 [pid 10359] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10358] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10359] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10359] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10359] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10359] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10359] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10363]}, 88) = 10363 [pid 10359] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10359] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10360] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10359] <... futex resumed>) = 0 [pid 10359] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10362 attached [pid 10362] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10362] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10362] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10362] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10358] <... futex resumed>) = 0 [pid 10358] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10358] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10362] <... futex resumed>) = 1 [pid 10362] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10362] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10358] <... futex resumed>) = 0 [pid 10358] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10358] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10362] <... futex resumed>) = 1 [pid 10362] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10362] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10358] <... futex resumed>) = 0 [pid 10358] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10358] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10362] <... futex resumed>) = 1 [pid 10362] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10362] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10360] <... prctl resumed>) = 0 [pid 10358] <... futex resumed>) = 0 [pid 10358] exit_group(0) = ? [pid 10362] <... futex resumed>) = ? ./strace-static-x86_64: Process 10363 attached [pid 10362] +++ exited with 0 +++ [pid 10361] rt_sigprocmask(SIG_SETMASK, [], [pid 10360] setpgid(0, 0 [pid 10358] +++ exited with 0 +++ [pid 555] <... restart_syscall resumed>) = 0 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10358, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10363] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10363] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10363] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10363] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10359] <... futex resumed>) = 0 [pid 10359] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10359] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 554] <... restart_syscall resumed>) = 0 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10361] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10360] <... setpgid resumed>) = 0 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10364 [pid 10363] <... futex resumed>) = 1 [pid 10363] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10363] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10359] <... futex resumed>) = 0 [pid 10359] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10359] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10363] <... futex resumed>) = 1 [pid 10363] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10363] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10359] <... futex resumed>) = 0 [pid 10359] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10359] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10363] <... futex resumed>) = 1 [pid 10363] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10363] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10359] <... futex resumed>) = 0 [pid 10359] exit_group(0) = ? [pid 10363] <... futex resumed>) = ? ./strace-static-x86_64: Process 10364 attached [pid 10363] +++ exited with 0 +++ [pid 10361] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10359] +++ exited with 0 +++ [pid 10364] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10364] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10364] setpgid(0, 0) = 0 [pid 10364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10364] write(3, "1000", 4) = 4 [pid 10364] close(3) = 0 executing program [pid 10364] write(1, "executing program\n", 18) = 18 [pid 10364] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10364] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10364] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10364] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10364] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10364] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10361] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10364] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10360] <... openat resumed>) = 3 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10359, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10364] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10361] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10364] <... clone3 resumed> => {parent_tid=[10365]}, 88) = 10365 [pid 10364] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10364] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10364] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10365 attached [pid 10361] <... futex resumed>) = 1 [pid 10360] write(3, "1000", 4) = 4 [pid 10361] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10366 [pid 10360] close(3 [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10357] <... futex resumed>) = 0 [pid 10357] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10357] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10365] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10365] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10365] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10365] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10364] <... futex resumed>) = 0 [pid 10364] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10364] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10365] <... futex resumed>) = 1 [pid 10361] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10360] <... close resumed>) = 0 [pid 10361] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10360] write(1, "executing program\n", 18 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10367 [pid 10365] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10365] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10364] <... futex resumed>) = 0 [pid 10364] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10364] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10365] <... futex resumed>) = 1 [pid 10365] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000executing program ) = -1 EBADF (Bad file descriptor) [pid 10365] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10361] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10360] <... write resumed>) = 18 [pid 10364] <... futex resumed>) = 0 [pid 10364] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10364] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10360] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10361] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10360] <... futex resumed>) = 0 [pid 10361] <... futex resumed>) = 1 [pid 10360] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10361] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10360] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10360] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10357] <... futex resumed>) = 0 [pid 10360] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10360] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10357] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10361] <... futex resumed>) = 0 [pid 10360] <... mmap resumed>) = 0x7f70b113b000 [pid 10357] <... futex resumed>) = 1 [pid 10357] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10365] <... futex resumed>) = 1 [pid 10361] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10360] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10361] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10360] <... mprotect resumed>) = 0 [pid 10361] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10365] write(-1, "0x0000000000000001", 18 [pid 10360] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10361] <... futex resumed>) = 1 [pid 10360] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10357] <... futex resumed>) = 0 [pid 10361] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10360] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10357] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10367 attached ./strace-static-x86_64: Process 10366 attached [pid 10365] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10361] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10357] <... futex resumed>) = 0 [pid 10357] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10361] write(-1, "0x0000000000000001", 18 [pid 10360] <... clone3 resumed> => {parent_tid=[10368]}, 88) = 10368 ./strace-static-x86_64: Process 10368 attached [pid 10361] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10360] rt_sigprocmask(SIG_SETMASK, [], [pid 10368] set_robust_list(0x7f70b115b9a0, 24 [pid 10361] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10360] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10368] <... set_robust_list resumed>) = 0 [pid 10361] <... futex resumed>) = 0 [pid 10360] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10368] rt_sigprocmask(SIG_SETMASK, [], [pid 10361] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10360] <... futex resumed>) = 0 [pid 10368] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10360] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10368] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10368] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10357] exit_group(0 [pid 10368] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10361] <... futex resumed>) = ? [pid 10357] <... exit_group resumed>) = ? [pid 10368] <... futex resumed>) = 1 [pid 10360] <... futex resumed>) = 0 [pid 10361] +++ exited with 0 +++ [pid 10365] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10364] <... futex resumed>) = 0 [pid 10364] exit_group(0) = ? [pid 10365] <... futex resumed>) = ? [pid 10368] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10365] +++ exited with 0 +++ [pid 10364] +++ exited with 0 +++ [pid 10360] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10357] +++ exited with 0 +++ [pid 10360] <... futex resumed>) = 0 [pid 10368] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10360] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10368] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10364, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10357, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10368] <... futex resumed>) = 0 [pid 10360] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10368] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10360] <... futex resumed>) = 0 [pid 554] <... restart_syscall resumed>) = 0 [pid 10360] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10368] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10368] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10360] <... futex resumed>) = 0 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10366] set_robust_list(0x55556dd196a0, 24 [pid 10360] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10366] <... set_robust_list resumed>) = 0 [pid 10366] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10366] setpgid(0, 0) = 0 [pid 10366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10360] <... futex resumed>) = 0 [pid 10366] <... openat resumed>) = 3 [pid 10360] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10369 [pid 10368] write(-1, "0x0000000000000001", 18executing program [pid 10366] write(3, "1000", 4) = 4 [pid 10366] close(3) = 0 [pid 10366] write(1, "executing program\n", 18) = 18 [pid 10366] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10366] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10366] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10366] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10366] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10366] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10366] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10368] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10366] <... clone3 resumed> => {parent_tid=[10370]}, 88) = 10370 [pid 10366] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10366] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10366] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10367] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10367] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10367] setpgid(0, 0) = 0 [pid 10368] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10367] write(3, "1000", 4) = 4 [pid 10367] close(3) = 0 executing program [pid 10367] write(1, "executing program\n", 18) = 18 [pid 10367] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10367] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10367] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10367] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10367] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10360] <... futex resumed>) = 0 [pid 10360] exit_group(0 [pid 10367] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10360] <... exit_group resumed>) = ? [pid 10367] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10367] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10371]}, 88) = 10371 ./strace-static-x86_64: Process 10371 attached [pid 10368] <... futex resumed>) = ? [pid 10367] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10367] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10367] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10369 attached [pid 10369] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10369] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10369] setpgid(0, 0) = 0 [pid 10369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10368] +++ exited with 0 +++ [pid 10360] +++ exited with 0 +++ [pid 10371] set_robust_list(0x7f70b115b9a0, 24 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10360, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10369] write(3, "1000", 4) = 4 [pid 10369] close(3) = 0 [pid 10369] write(1, "executing program\n", 18executing program ) = 18 [pid 10369] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10369] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10369] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10369] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10369] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 10370 attached [pid 10370] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 551] <... restart_syscall resumed>) = 0 [pid 10370] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10370] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10370] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10369] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10370] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10366] <... futex resumed>) = 0 [pid 10366] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10366] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10370] <... futex resumed>) = 1 [pid 10369] <... rt_sigprocmask resumed>[], 8) = 0 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10372 [pid 10370] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10369] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10370] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10370] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10366] <... futex resumed>) = 0 [pid 10366] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10366] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10370] <... futex resumed>) = 1 [pid 10370] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10370] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10369] <... clone3 resumed> => {parent_tid=[10373]}, 88) = 10373 [pid 10366] <... futex resumed>) = 0 [pid 10366] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10366] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10369] rt_sigprocmask(SIG_SETMASK, [], [pid 10370] <... futex resumed>) = 1 [pid 10369] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10370] write(-1, "0x0000000000000001", 18 [pid 10371] <... set_robust_list resumed>) = 0 [pid 10369] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10369] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10370] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10370] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10366] <... futex resumed>) = 0 [pid 10366] exit_group(0) = ? [pid 10370] <... futex resumed>) = ? ./strace-static-x86_64: Process 10373 attached ./strace-static-x86_64: Process 10372 attached [pid 10371] rt_sigprocmask(SIG_SETMASK, [], [pid 10370] +++ exited with 0 +++ [pid 10366] +++ exited with 0 +++ [pid 10373] set_robust_list(0x7f70b115b9a0, 24 [pid 10371] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10366, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 10373] <... set_robust_list resumed>) = 0 [pid 10371] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10373] rt_sigprocmask(SIG_SETMASK, [], [pid 10371] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10373] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10373] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10373] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10369] <... futex resumed>) = 0 [pid 10369] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10369] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10373] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10373] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10369] <... futex resumed>) = 0 [pid 10369] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10373] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10369] <... futex resumed>) = 0 [pid 10373] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10369] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10372] set_robust_list(0x55556dd196a0, 24 [pid 10371] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10373] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10369] <... futex resumed>) = 0 [pid 10373] write(-1, "0x0000000000000001", 18 [pid 10369] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10373] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10369] <... futex resumed>) = 0 [pid 10371] <... futex resumed>) = 1 [pid 10367] <... futex resumed>) = 0 [pid 10373] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10369] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10367] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10373] <... futex resumed>) = 0 [pid 10369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10367] <... futex resumed>) = 0 [pid 10373] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10369] exit_group(0 [pid 10367] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10373] <... futex resumed>) = ? [pid 10369] <... exit_group resumed>) = ? [pid 10373] +++ exited with 0 +++ [pid 10372] <... set_robust_list resumed>) = 0 [pid 10371] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10369] +++ exited with 0 +++ [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10369, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 553] <... restart_syscall resumed>) = 0 [pid 10371] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10371] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10372] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10371] <... futex resumed>) = 1 [pid 10367] <... futex resumed>) = 0 [pid 10367] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10371] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10367] <... futex resumed>) = 0 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10367] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10372] <... prctl resumed>) = 0 [pid 10372] setpgid(0, 0) = 0 [pid 10372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10371] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10372] write(3, "1000", 4 [pid 10371] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10374 [pid 10372] <... write resumed>) = 4 [pid 10371] <... futex resumed>) = 1 [pid 10367] <... futex resumed>) = 0 [pid 10372] close(3 [pid 10371] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10367] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 10372] <... close resumed>) = 0 [pid 10371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10367] <... futex resumed>) = 0 [pid 10372] write(1, "executing program\n", 18 [pid 10367] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10372] <... write resumed>) = 18 [pid 10371] write(-1, "0x0000000000000001", 18 [pid 10372] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10371] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 555] <... restart_syscall resumed>) = 0 [pid 10371] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10372] <... futex resumed>) = 0 [pid 10367] <... futex resumed>) = 0 [pid 10372] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10371] <... futex resumed>) = 1 [pid 10367] exit_group(0 [pid 10372] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10367] <... exit_group resumed>) = ? [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10372] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10371] +++ exited with 0 +++ [pid 10367] +++ exited with 0 +++ [pid 10372] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10372] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10372] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10367, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10375 [pid 10372] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10372] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10376]}, 88) = 10376 [pid 10372] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10372] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10372] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10374 attached [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10377 [pid 10374] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10374] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10374] setpgid(0, 0) = 0 [pid 10374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10374] write(3, "1000", 4) = 4 [pid 10374] close(3) = 0 [pid 10374] write(1, "executing program\n", 18executing program ) = 18 [pid 10374] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10374] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10374] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10374] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10374] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10374] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10374] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10378]}, 88) = 10378 [pid 10374] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10374] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10374] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10376 attached [pid 10376] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10376] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10376] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) ./strace-static-x86_64: Process 10375 attached [pid 10376] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10372] <... futex resumed>) = 0 [pid 10372] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10372] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10376] <... futex resumed>) = 1 [pid 10376] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 554] <... restart_syscall resumed>) = 0 [pid 10376] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10372] <... futex resumed>) = 0 [pid 10372] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10372] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10376] <... futex resumed>) = 1 [pid 10376] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10376] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10372] <... futex resumed>) = 0 [pid 10372] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10372] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10376] <... futex resumed>) = 1 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10379 [pid 10376] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10376] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10372] <... futex resumed>) = 0 [pid 10372] exit_group(0) = ? [pid 10376] <... futex resumed>) = ? ./strace-static-x86_64: Process 10379 attached ./strace-static-x86_64: Process 10377 attached [pid 10376] +++ exited with 0 +++ [pid 10375] set_robust_list(0x55556dd196a0, 24 [pid 10372] +++ exited with 0 +++ ./strace-static-x86_64: Process 10378 attached [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10372, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10378] set_robust_list(0x7f70b115b9a0, 24 [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10378] <... set_robust_list resumed>) = 0 [pid 10378] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10378] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10378] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10374] <... futex resumed>) = 0 [pid 10374] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10374] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10378] <... futex resumed>) = 1 [pid 10378] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10375] <... set_robust_list resumed>) = 0 [pid 10378] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10374] <... futex resumed>) = 0 [pid 10374] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10374] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10378] <... futex resumed>) = 1 [pid 10378] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10378] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10374] <... futex resumed>) = 0 [pid 10374] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10374] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10378] <... futex resumed>) = 1 [pid 10378] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10378] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10374] <... futex resumed>) = 0 [pid 10374] exit_group(0) = ? [pid 10378] <... futex resumed>) = ? [pid 10379] set_robust_list(0x55556dd196a0, 24 [pid 10378] +++ exited with 0 +++ [pid 10377] set_robust_list(0x55556dd196a0, 24 [pid 10375] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10374] +++ exited with 0 +++ [pid 10379] <... set_robust_list resumed>) = 0 [pid 10379] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10377] <... set_robust_list resumed>) = 0 [pid 10375] <... prctl resumed>) = 0 [pid 10379] <... prctl resumed>) = 0 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10374, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10379] setpgid(0, 0 [pid 10377] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10375] setpgid(0, 0 [pid 10379] <... setpgid resumed>) = 0 [pid 10379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10377] <... prctl resumed>) = 0 [pid 10375] <... setpgid resumed>) = 0 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10380 [pid 10379] write(3, "1000", 4 [pid 10377] setpgid(0, 0 [pid 10379] <... write resumed>) = 4 [pid 10379] close(3) = 0 [pid 10379] write(1, "executing program\n", 18 [pid 10377] <... setpgid resumed>) = 0 executing program [pid 10375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10379] <... write resumed>) = 18 [pid 10379] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10379] <... futex resumed>) = 0 [pid 10379] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10377] <... openat resumed>) = 3 [pid 10379] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10377] write(3, "1000", 4 [pid 10375] <... openat resumed>) = 3 [pid 10379] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10379] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10377] <... write resumed>) = 4 [pid 10375] write(3, "1000", 4 [pid 10379] <... mprotect resumed>) = 0 [pid 10377] close(3 [pid 10375] <... write resumed>) = 4 [pid 10377] <... close resumed>) = 0 [pid 10375] close(3 [pid 10377] write(1, "executing program\n", 18 [pid 10375] <... close resumed>) = 0 [pid 10379] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10379] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0}executing program executing program => {parent_tid=[10381]}, 88) = 10381 [pid 10377] <... write resumed>) = 18 [pid 551] <... restart_syscall resumed>) = 0 [pid 10375] write(1, "executing program\n", 18 [pid 10377] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10379] rt_sigprocmask(SIG_SETMASK, [], [pid 10377] <... futex resumed>) = 0 [pid 10375] <... write resumed>) = 18 [pid 10379] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10377] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10375] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10379] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10379] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10380 attached [pid 10380] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10377] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10375] <... futex resumed>) = 0 [pid 10377] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10375] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10382 [pid 10380] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10377] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10375] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10377] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10375] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10377] <... mmap resumed>) = 0x7f70b113b000 [pid 10380] <... prctl resumed>) = 0 [pid 10377] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10375] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10377] <... mprotect resumed>) = 0 [pid 10375] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10380] setpgid(0, 0) = 0 [pid 10377] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10375] <... mmap resumed>) = 0x7f70b113b000 [pid 10380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10377] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10375] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 10382 attached [pid 10377] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10380] <... openat resumed>) = 3 [pid 10380] write(3, "1000", 4 [pid 10375] <... mprotect resumed>) = 0 [pid 10380] <... write resumed>) = 4 [pid 10380] close(3) = 0 [pid 10380] write(1, "executing program\n", 18 [pid 10377] <... clone3 resumed> => {parent_tid=[10383]}, 88) = 10383 [pid 10375] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10377] rt_sigprocmask(SIG_SETMASK, [], [pid 10375] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10377] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10375] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0}executing program [pid 10377] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10380] <... write resumed>) = 18 [pid 10380] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10380] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10377] <... futex resumed>) = 0 [pid 10375] <... clone3 resumed> => {parent_tid=[10384]}, 88) = 10384 [pid 10377] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10375] rt_sigprocmask(SIG_SETMASK, [], [pid 10380] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10375] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10380] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10375] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10380] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10375] <... futex resumed>) = 0 [pid 10380] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10375] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10380] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10380] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10380] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10385]}, 88) = 10385 [pid 10380] rt_sigprocmask(SIG_SETMASK, [], [pid 10382] set_robust_list(0x55556dd196a0, 24 [pid 10380] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10380] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10380] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10381 attached [pid 10381] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10381] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10381] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10381] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10379] <... futex resumed>) = 0 [pid 10379] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10379] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10381] <... futex resumed>) = 1 [pid 10381] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10381] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10379] <... futex resumed>) = 0 [pid 10379] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10379] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10381] <... futex resumed>) = 1 [pid 10381] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10381] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10379] <... futex resumed>) = 0 [pid 10379] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10379] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10381] <... futex resumed>) = 1 [pid 10381] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10381] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10379] <... futex resumed>) = 0 [pid 10379] exit_group(0) = ? [pid 10382] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 10384 attached [pid 10381] <... futex resumed>) = ? [pid 10384] set_robust_list(0x7f70b115b9a0, 24 [pid 10382] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10381] +++ exited with 0 +++ [pid 10379] +++ exited with 0 +++ ./strace-static-x86_64: Process 10383 attached [pid 10382] <... prctl resumed>) = 0 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10379, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10383] set_robust_list(0x7f70b115b9a0, 24 [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10382] setpgid(0, 0 [pid 10383] <... set_robust_list resumed>) = 0 [pid 10383] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10383] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10383] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10377] <... futex resumed>) = 0 [pid 10377] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10377] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10383] <... futex resumed>) = 1 [pid 10383] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10383] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10377] <... futex resumed>) = 0 [pid 10377] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10377] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10383] <... futex resumed>) = 1 [pid 10382] <... setpgid resumed>) = 0 [pid 10383] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10383] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10377] <... futex resumed>) = 0 [pid 10383] write(-1, "0x0000000000000001", 18 [pid 10377] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10383] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10377] <... futex resumed>) = 0 [pid 10383] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10377] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10383] <... futex resumed>) = 0 [pid 10382] <... openat resumed>) = 3 [pid 10377] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10383] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10377] exit_group(0 [pid 10383] <... futex resumed>) = ? [pid 10382] write(3, "1000", 4 [pid 10377] <... exit_group resumed>) = ? [pid 10384] <... set_robust_list resumed>) = 0 [pid 10383] +++ exited with 0 +++ [pid 10382] <... write resumed>) = 4 [pid 10377] +++ exited with 0 +++ [pid 10384] rt_sigprocmask(SIG_SETMASK, [], executing program [pid 10382] close(3 [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10377, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10382] <... close resumed>) = 0 [pid 10384] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10382] write(1, "executing program\n", 18./strace-static-x86_64: Process 10385 attached [pid 10385] set_robust_list(0x7f70b115b9a0, 24 [pid 10382] <... write resumed>) = 18 [pid 10384] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10385] <... set_robust_list resumed>) = 0 [pid 10385] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10385] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10385] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10380] <... futex resumed>) = 0 [pid 10385] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10382] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10380] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10384] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10385] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10382] <... futex resumed>) = 0 [pid 10380] <... futex resumed>) = 0 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10386 [pid 10385] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10384] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10382] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10380] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10385] <... futex resumed>) = 0 [pid 10380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10385] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10380] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10385] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10384] <... futex resumed>) = 1 [pid 10382] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10380] <... futex resumed>) = 0 [pid 10375] <... futex resumed>) = 0 [pid 10385] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10384] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10382] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10380] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10375] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10385] <... futex resumed>) = 0 [pid 10384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10382] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10375] <... futex resumed>) = 0 [pid 10385] write(-1, "0x0000000000000001", 18 [pid 10384] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10382] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10380] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10385] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10382] <... mmap resumed>) = 0x7f70b113b000 [pid 10380] <... futex resumed>) = 0 [pid 10375] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10385] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10384] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10382] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10380] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10385] <... futex resumed>) = 0 [pid 10384] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10382] <... mprotect resumed>) = 0 [pid 10380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10385] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10380] exit_group(0 [pid 10385] <... futex resumed>) = ? [pid 10382] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10380] <... exit_group resumed>) = ? [pid 10385] +++ exited with 0 +++ [pid 10384] <... futex resumed>) = 1 [pid 10382] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10380] +++ exited with 0 +++ [pid 10375] <... futex resumed>) = 0 [pid 10384] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10382] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10375] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] <... restart_syscall resumed>) = 0 [pid 10375] <... futex resumed>) = 0 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10380, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10375] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 553] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 10386 attached [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10386] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10386] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10386] setpgid(0, 0) = 0 [pid 10384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10388 [pid 10384] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10382] <... clone3 resumed> => {parent_tid=[10387]}, 88) = 10387 [pid 10386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10384] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10382] rt_sigprocmask(SIG_SETMASK, [], [pid 10386] <... openat resumed>) = 3 [pid 10384] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10382] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10386] write(3, "1000", 4 [pid 10382] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10384] <... futex resumed>) = 1 [pid 10382] <... futex resumed>) = 0 [pid 10375] <... futex resumed>) = 0 [pid 10386] <... write resumed>) = 4 [pid 10375] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10382] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10375] <... futex resumed>) = 0 [pid 10384] write(-1, "0x0000000000000001", 18 [pid 10375] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10386] close(3 executing program [pid 10384] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10386] <... close resumed>) = 0 [pid 10386] write(1, "executing program\n", 18) = 18 [pid 10386] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10386] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10386] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10386] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10386] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10386] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10384] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10386] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10386] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10384] <... futex resumed>) = 1 [pid 10375] <... futex resumed>) = 0 [pid 10386] <... clone3 resumed> => {parent_tid=[10389]}, 88) = 10389 [pid 10384] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10375] exit_group(0 [pid 10386] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10386] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10386] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10384] <... futex resumed>) = ? [pid 10375] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 10388 attached [pid 10388] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10388] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10388] setpgid(0, 0) = 0 [pid 10388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10384] +++ exited with 0 +++ [pid 10375] +++ exited with 0 +++ [pid 10388] <... openat resumed>) = 3 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10375, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10388] write(3, "1000", 4 [pid 555] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 10387 attached [pid 10388] <... write resumed>) = 4 [pid 10387] set_robust_list(0x7f70b115b9a0, 24 [pid 10388] close(3 [pid 10387] <... set_robust_list resumed>) = 0 [pid 10388] <... close resumed>) = 0 [pid 10387] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 executing program [pid 10388] write(1, "executing program\n", 18 [pid 10387] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10388] <... write resumed>) = 18 [pid 10388] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10387] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 553] <... restart_syscall resumed>) = 0 [pid 10387] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10388] <... futex resumed>) = 0 [pid 10387] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10388] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10382] <... futex resumed>) = 0 [pid 10382] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10382] <... futex resumed>) = 1 [pid 10388] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10387] <... futex resumed>) = 0 [pid 10388] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10387] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10388] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10387] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10382] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10390 [pid 10388] <... mmap resumed>) = 0x7f70b113b000 [pid 10387] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10388] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10387] <... futex resumed>) = 1 [pid 10382] <... futex resumed>) = 0 [pid 10388] <... mprotect resumed>) = 0 [pid 10387] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10388] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10382] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10388] <... rt_sigprocmask resumed>[], 8) = 0 [pid 555] <... restart_syscall resumed>) = 0 [pid 10382] <... futex resumed>) = 1 [pid 10382] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10388] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10387] <... futex resumed>) = 0 [pid 10387] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10388] <... clone3 resumed> => {parent_tid=[10391]}, 88) = 10391 [pid 10387] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10388] rt_sigprocmask(SIG_SETMASK, [], [pid 10387] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10388] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10387] <... futex resumed>) = 1 [pid 10388] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10387] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10382] <... futex resumed>) = 0 [pid 10382] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10392 [pid 10382] <... futex resumed>) = 0 [pid 10388] <... futex resumed>) = 0 [pid 10387] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10382] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10388] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10387] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10387] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10382] <... futex resumed>) = 0 [pid 10387] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10382] exit_group(0 [pid 10387] <... futex resumed>) = ? [pid 10382] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 10392 attached ./strace-static-x86_64: Process 10390 attached ./strace-static-x86_64: Process 10389 attached [pid 10387] +++ exited with 0 +++ [pid 10382] +++ exited with 0 +++ [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10382, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 10391 attached [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10389] set_robust_list(0x7f70b115b9a0, 24 [pid 551] <... restart_syscall resumed>) = 0 [pid 10389] <... set_robust_list resumed>) = 0 [pid 10391] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10391] rt_sigprocmask(SIG_SETMASK, [], [pid 10389] rt_sigprocmask(SIG_SETMASK, [], [pid 10391] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10389] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10391] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10391] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10388] <... futex resumed>) = 0 [pid 10388] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10388] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10391] <... futex resumed>) = 1 [pid 10389] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10393 [pid 10391] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10389] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10391] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10391] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10388] <... futex resumed>) = 0 [pid 10388] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10388] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10391] <... futex resumed>) = 1 [pid 10391] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10391] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10388] <... futex resumed>) = 0 [pid 10388] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10388] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10391] <... futex resumed>) = 1 [pid 10391] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10391] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10388] <... futex resumed>) = 0 [pid 10388] exit_group(0) = ? [pid 10390] set_robust_list(0x55556dd196a0, 24 [pid 10389] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10392] set_robust_list(0x55556dd196a0, 24 [pid 10390] <... set_robust_list resumed>) = 0 [pid 10389] <... futex resumed>) = 1 [pid 10386] <... futex resumed>) = 0 [pid 10386] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10389] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10386] <... futex resumed>) = 0 [pid 10390] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10389] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10386] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10392] <... set_robust_list resumed>) = 0 [pid 10391] <... futex resumed>) = ? [pid 10392] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10391] +++ exited with 0 +++ [pid 10390] <... prctl resumed>) = 0 [pid 10389] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10388] +++ exited with 0 +++ [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10388, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10390] setpgid(0, 0 [pid 10389] <... futex resumed>) = 1 [pid 10386] <... futex resumed>) = 0 [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10392] <... prctl resumed>) = 0 [pid 10386] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10390] <... setpgid resumed>) = 0 [pid 10389] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10386] <... futex resumed>) = 0 [pid 10386] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10393 attached [pid 10393] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10393] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10389] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10393] setpgid(0, 0 [pid 10392] setpgid(0, 0 [pid 10389] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10393] <... setpgid resumed>) = 0 [pid 10390] <... openat resumed>) = 3 [pid 10392] <... setpgid resumed>) = 0 [pid 10389] <... futex resumed>) = 1 [pid 10386] <... futex resumed>) = 0 [pid 10389] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10386] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10386] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10390] write(3, "1000", 4 [pid 10389] write(-1, "0x0000000000000001", 18 [pid 10393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10392] <... openat resumed>) = 3 [pid 10390] <... write resumed>) = 4 [pid 10389] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10393] <... openat resumed>) = 3 [pid 10392] write(3, "1000", 4 [pid 10390] close(3 [pid 10389] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10393] write(3, "1000", 4) = 4 [pid 10393] close(3 [pid 10389] <... futex resumed>) = 1 [pid 10386] <... futex resumed>) = 0 [pid 10390] <... close resumed>) = 0 [pid 10392] <... write resumed>) = 4 [pid 10389] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10386] exit_group(0 [pid 10392] close(3 [pid 10390] write(1, "executing program\n", 18 executing program [pid 10389] <... futex resumed>) = ? [pid 10386] <... exit_group resumed>) = ? [pid 10392] <... close resumed>) = 0 [pid 10390] <... write resumed>) = 18 [pid 10389] +++ exited with 0 +++ [pid 10386] +++ exited with 0 +++ [pid 10392] write(1, "executing program\n", 18executing program executing program [pid 10393] <... close resumed>) = 0 [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10386, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10392] <... write resumed>) = 18 [pid 10390] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10393] write(1, "executing program\n", 18 [pid 10390] <... futex resumed>) = 0 [pid 10392] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10390] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10393] <... write resumed>) = 18 [pid 10393] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10390] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10392] <... futex resumed>) = 0 [pid 10393] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10390] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10392] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10393] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10390] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10392] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10390] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10393] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10390] <... mmap resumed>) = 0x7f70b113b000 [pid 10392] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10390] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10392] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10390] <... mprotect resumed>) = 0 [pid 10392] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10393] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10393] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10390] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10392] <... mmap resumed>) = 0x7f70b113b000 [pid 10390] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10392] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10390] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10392] <... mprotect resumed>) = 0 [pid 10393] <... mmap resumed>) = 0x7f70b113b000 [pid 10393] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10393] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10392] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10390] <... clone3 resumed> => {parent_tid=[10394]}, 88) = 10394 [pid 10392] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10393] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10392] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10390] rt_sigprocmask(SIG_SETMASK, [], [pid 10393] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10390] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10393] <... clone3 resumed> => {parent_tid=[10395]}, 88) = 10395 [pid 10393] rt_sigprocmask(SIG_SETMASK, [], [pid 10392] <... clone3 resumed> => {parent_tid=[10396]}, 88) = 10396 [pid 10390] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10392] rt_sigprocmask(SIG_SETMASK, [], [pid 10390] <... futex resumed>) = 0 [pid 10392] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10390] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10392] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10393] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10392] <... futex resumed>) = 0 [pid 10393] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10392] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10393] <... futex resumed>) = 0 [pid 10393] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10394 attached [pid 10394] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10394] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10394] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 552] <... restart_syscall resumed>) = 0 [pid 10394] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10394] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10390] <... futex resumed>) = 0 [pid 10394] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10390] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10390] <... futex resumed>) = 0 [pid 10394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10394] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10394] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10394] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 10395 attached [pid 10395] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10395] rt_sigprocmask(SIG_SETMASK, [], [pid 10390] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10397 [pid 10390] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10390] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10394] <... futex resumed>) = 0 [pid 10394] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10394] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10394] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10395] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10395] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10390] <... futex resumed>) = 0 [pid 10395] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10390] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10395] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10390] <... futex resumed>) = 1 [pid 10394] <... futex resumed>) = 0 [pid 10390] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10394] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10394] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10394] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10393] <... futex resumed>) = 0 [pid 10390] <... futex resumed>) = 0 [pid 10393] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10390] exit_group(0 [pid 10393] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10390] <... exit_group resumed>) = ? [pid 554] <... restart_syscall resumed>) = 0 [pid 10395] <... futex resumed>) = 1 [pid 10394] <... futex resumed>) = ? [pid 10395] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10397 attached [pid 10394] +++ exited with 0 +++ [pid 10390] +++ exited with 0 +++ [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10398 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10390, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10395] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10395] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10393] <... futex resumed>) = 0 [pid 10395] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10393] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10395] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10393] <... futex resumed>) = 0 [pid 10395] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10393] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10395] <... futex resumed>) = 0 [pid 10393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10395] write(-1, "0x0000000000000001", 18 [pid 10393] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10395] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10393] <... futex resumed>) = 0 [pid 10397] set_robust_list(0x55556dd196a0, 24 [pid 10395] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10393] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10396 attached [pid 10395] <... futex resumed>) = 0 [pid 10393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10396] set_robust_list(0x7f70b115b9a0, 24 [pid 10395] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10393] exit_group(0 [pid 10396] <... set_robust_list resumed>) = 0 [pid 10395] <... futex resumed>) = ? [pid 10393] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 10398 attached [pid 10397] <... set_robust_list resumed>) = 0 [pid 10396] rt_sigprocmask(SIG_SETMASK, [], [pid 10395] +++ exited with 0 +++ [pid 10393] +++ exited with 0 +++ [pid 10396] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10393, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10396] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10396] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10396] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10392] <... futex resumed>) = 0 [pid 10396] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10392] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10396] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10392] <... futex resumed>) = 0 [pid 10396] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10392] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10396] <... futex resumed>) = 0 [pid 10392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10396] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10392] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10396] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10392] <... futex resumed>) = 0 [pid 10396] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10392] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10396] <... futex resumed>) = 0 [pid 10392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10396] write(-1, "0x0000000000000001", 18 [pid 10392] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10396] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10392] <... futex resumed>) = 0 [pid 10396] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10392] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10396] <... futex resumed>) = 0 [pid 10392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10396] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10392] exit_group(0 [pid 10396] <... futex resumed>) = ? [pid 10392] <... exit_group resumed>) = ? [pid 10398] set_robust_list(0x55556dd196a0, 24 [pid 10397] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10396] +++ exited with 0 +++ [pid 10392] +++ exited with 0 +++ [pid 553] <... restart_syscall resumed>) = 0 [pid 10397] <... prctl resumed>) = 0 [pid 10398] <... set_robust_list resumed>) = 0 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10392, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 551] <... restart_syscall resumed>) = 0 [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 10398] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program [pid 555] <... restart_syscall resumed>) = 0 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10397] setpgid(0, 0 [pid 10398] <... prctl resumed>) = 0 [pid 10398] setpgid(0, 0) = 0 [pid 10398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10397] <... setpgid resumed>) = 0 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10399 [pid 10398] write(3, "1000", 4) = 4 [pid 10398] close(3) = 0 [pid 10398] write(1, "executing program\n", 18) = 18 [pid 10398] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10398] <... futex resumed>) = 0 [pid 10398] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10398] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10398] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10398] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10400 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10401 [pid 10398] <... mprotect resumed>) = 0 [pid 10398] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10398] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10398] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10402]}, 88) = 10402 [pid 10398] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10397] <... openat resumed>) = 3 [pid 10398] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10398] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10399 attached [pid 10399] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10399] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10399] setpgid(0, 0) = 0 [pid 10399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10397] write(3, "1000", 4./strace-static-x86_64: Process 10401 attached [pid 10399] write(3, "1000", 4) = 4 [pid 10399] close(3) = 0 executing program [pid 10399] write(1, "executing program\n", 18) = 18 [pid 10399] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10399] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10399] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10399] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10399] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 10400 attached [pid 10399] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10397] <... write resumed>) = 4 [pid 10400] set_robust_list(0x55556dd196a0, 24 [pid 10399] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10397] close(3 [pid 10400] <... set_robust_list resumed>) = 0 [pid 10399] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10397] <... close resumed>) = 0 [pid 10400] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10397] write(1, "executing program\n", 18 [pid 10401] set_robust_list(0x55556dd196a0, 24executing program [pid 10397] <... write resumed>) = 18 [pid 10400] <... prctl resumed>) = 0 [pid 10399] <... clone3 resumed> => {parent_tid=[10403]}, 88) = 10403 [pid 10401] <... set_robust_list resumed>) = 0 [pid 10400] setpgid(0, 0 [pid 10399] rt_sigprocmask(SIG_SETMASK, [], [pid 10397] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10400] <... setpgid resumed>) = 0 [pid 10399] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10397] <... futex resumed>) = 0 [pid 10401] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10400] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10399] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10397] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10401] <... prctl resumed>) = 0 [pid 10400] <... openat resumed>) = 3 [pid 10399] <... futex resumed>) = 0 [pid 10397] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10400] write(3, "1000", 4 [pid 10399] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10397] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10401] setpgid(0, 0) = 0 [pid 10400] <... write resumed>) = 4 [pid 10397] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10400] close(3 [pid 10397] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10400] <... close resumed>) = 0 [pid 10397] <... mmap resumed>) = 0x7f70b113b000 executing program [pid 10400] write(1, "executing program\n", 18 [pid 10397] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10397] <... mprotect resumed>) = 0 [pid 10400] <... write resumed>) = 18 [pid 10400] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10397] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10400] <... futex resumed>) = 0 [pid 10397] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10401] <... openat resumed>) = 3 ./strace-static-x86_64: Process 10402 attached [pid 10401] write(3, "1000", 4 [pid 10400] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10397] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10402] set_robust_list(0x7f70b115b9a0, 24 [pid 10400] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10402] <... set_robust_list resumed>) = 0 [pid 10400] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10401] <... write resumed>) = 4 [pid 10397] <... clone3 resumed> => {parent_tid=[10404]}, 88) = 10404 [pid 10402] rt_sigprocmask(SIG_SETMASK, [], [pid 10401] close(3 [pid 10400] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10397] rt_sigprocmask(SIG_SETMASK, [], [pid 10402] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10400] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10401] <... close resumed>) = 0 [pid 10397] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10402] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10401] write(1, "executing program\n", 18 [pid 10400] <... mmap resumed>) = 0x7f70b113b000 [pid 10397] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 10402] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10401] <... write resumed>) = 18 [pid 10400] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10397] <... futex resumed>) = 0 [pid 10402] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10400] <... mprotect resumed>) = 0 [pid 10402] <... futex resumed>) = 1 [pid 10401] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10400] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10398] <... futex resumed>) = 0 [pid 10397] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10402] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10400] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10398] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10402] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10401] <... futex resumed>) = 0 [pid 10400] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10398] <... futex resumed>) = 0 [pid 10402] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10398] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10404 attached ./strace-static-x86_64: Process 10403 attached [pid 10402] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10401] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10400] <... clone3 resumed> => {parent_tid=[10405]}, 88) = 10405 [pid 10402] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10400] rt_sigprocmask(SIG_SETMASK, [], [pid 10402] <... futex resumed>) = 1 [pid 10400] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10398] <... futex resumed>) = 0 [pid 10402] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10400] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10398] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10402] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10400] <... futex resumed>) = 0 [pid 10398] <... futex resumed>) = 0 [pid 10402] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10400] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10398] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10402] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10402] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10398] <... futex resumed>) = 0 [pid 10403] set_robust_list(0x7f70b115b9a0, 24 [pid 10402] write(-1, "0x0000000000000001", 18 [pid 10401] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10404] set_robust_list(0x7f70b115b9a0, 24 [pid 10398] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10405 attached [pid 10403] <... set_robust_list resumed>) = 0 [pid 10402] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10401] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10398] <... futex resumed>) = 0 [pid 10403] rt_sigprocmask(SIG_SETMASK, [], [pid 10402] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10401] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10398] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10402] <... futex resumed>) = 0 [pid 10398] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10404] <... set_robust_list resumed>) = 0 [pid 10403] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10402] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10401] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10398] exit_group(0 [pid 10403] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10402] <... futex resumed>) = ? [pid 10401] <... mmap resumed>) = 0x7f70b113b000 [pid 10398] <... exit_group resumed>) = ? [pid 10404] rt_sigprocmask(SIG_SETMASK, [], [pid 10405] set_robust_list(0x7f70b115b9a0, 24 [pid 10404] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10403] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10402] +++ exited with 0 +++ [pid 10401] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10404] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10398] +++ exited with 0 +++ [pid 10401] <... mprotect resumed>) = 0 [pid 10403] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10398, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10404] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10405] <... set_robust_list resumed>) = 0 [pid 10401] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10405] rt_sigprocmask(SIG_SETMASK, [], [pid 10404] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10403] <... futex resumed>) = 1 [pid 10399] <... futex resumed>) = 0 [pid 10405] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10401] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10399] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10405] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10399] <... futex resumed>) = 0 [pid 10405] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10403] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10399] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10404] <... futex resumed>) = 1 [pid 10397] <... futex resumed>) = 0 [pid 10405] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10403] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10401] <... clone3 resumed> => {parent_tid=[10406]}, 88) = 10406 [pid 10397] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10404] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10403] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10401] rt_sigprocmask(SIG_SETMASK, [], [pid 10397] <... futex resumed>) = 0 [pid 10405] <... futex resumed>) = 1 [pid 10404] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10403] <... futex resumed>) = 1 [pid 10400] <... futex resumed>) = 0 [pid 10401] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10399] <... futex resumed>) = 0 [pid 10397] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10405] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10404] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10403] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10401] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10400] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10399] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10405] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10404] <... futex resumed>) = 0 [pid 10403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10401] <... futex resumed>) = 0 [pid 10400] <... futex resumed>) = 0 [pid 10399] <... futex resumed>) = 0 [pid 10397] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10405] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10404] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10403] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10401] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10400] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10399] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10397] <... futex resumed>) = 0 [pid 10405] <... futex resumed>) = 0 [pid 10403] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10405] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10404] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10403] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10400] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10397] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10406 attached [pid 10405] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10404] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10403] <... futex resumed>) = 1 [pid 10400] <... futex resumed>) = 0 [pid 10399] <... futex resumed>) = 0 [pid 10397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10406] set_robust_list(0x7f70b115b9a0, 24 [pid 10405] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10404] <... futex resumed>) = 0 [pid 10403] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10400] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10399] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10397] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10406] <... set_robust_list resumed>) = 0 [pid 10405] <... futex resumed>) = 0 [pid 10404] write(-1, "0x0000000000000001", 18 [pid 10403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10399] <... futex resumed>) = 0 [pid 10397] <... futex resumed>) = 0 [pid 10406] rt_sigprocmask(SIG_SETMASK, [], [pid 10405] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10404] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10403] write(-1, "0x0000000000000001", 18 [pid 10400] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10399] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10397] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10406] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10405] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10404] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10403] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10400] <... futex resumed>) = 0 [pid 10397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10406] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10405] write(-1, "0x0000000000000001", 18 [pid 10400] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10406] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10405] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10406] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10405] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10404] <... futex resumed>) = 0 [pid 10403] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10397] exit_group(0 [pid 10406] <... futex resumed>) = 1 [pid 10405] <... futex resumed>) = 1 [pid 10403] <... futex resumed>) = 1 [pid 10401] <... futex resumed>) = 0 [pid 10404] read(0, [pid 10400] <... futex resumed>) = 0 [pid 10404] <... read resumed> ) = ? [pid 10406] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10405] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10404] +++ exited with 0 +++ [pid 10403] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10401] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10400] exit_group(0 [pid 10399] <... futex resumed>) = 0 [pid 10397] <... exit_group resumed>) = ? [pid 10406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10405] <... futex resumed>) = ? [pid 10401] <... futex resumed>) = 0 [pid 10400] <... exit_group resumed>) = ? [pid 10399] exit_group(0 [pid 10406] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10405] +++ exited with 0 +++ [pid 10401] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10400] +++ exited with 0 +++ [pid 10403] <... futex resumed>) = ? [pid 10399] <... exit_group resumed>) = ? [pid 10397] +++ exited with 0 +++ [pid 10406] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10403] +++ exited with 0 +++ [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10397, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10400, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10406] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10399] +++ exited with 0 +++ [pid 10406] <... futex resumed>) = 1 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10399, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10406] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10401] <... futex resumed>) = 0 [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10401] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10401] <... futex resumed>) = 0 [pid 10406] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10401] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10406] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10406] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10401] <... futex resumed>) = 0 [pid 10406] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10401] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10406] write(-1, "0x0000000000000001", 18 [pid 10401] <... futex resumed>) = 0 [pid 10406] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10401] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10406] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10406] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10401] exit_group(0 [pid 10406] <... futex resumed>) = ? [pid 10401] <... exit_group resumed>) = ? [pid 10406] +++ exited with 0 +++ [pid 10401] +++ exited with 0 +++ [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10401, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 552] <... restart_syscall resumed>) = 0 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 553] <... restart_syscall resumed>) = 0 [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10407 attached [pid 555] <... restart_syscall resumed>) = 0 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10407 [pid 551] <... restart_syscall resumed>) = 0 [pid 10407] set_robust_list(0x55556dd196a0, 24 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10407] <... set_robust_list resumed>) = 0 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10408 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10409 attached [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10409 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10410 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10411 ./strace-static-x86_64: Process 10408 attached [pid 10408] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10408] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10408] setpgid(0, 0) = 0 [pid 10409] set_robust_list(0x55556dd196a0, 24 [pid 10407] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 10411 attached [pid 10408] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10407] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 10410 attached [pid 10409] <... set_robust_list resumed>) = 0 [pid 10408] <... openat resumed>) = 3 [pid 10407] setpgid(0, 0 [pid 10410] set_robust_list(0x55556dd196a0, 24 [pid 10407] <... setpgid resumed>) = 0 [pid 10410] <... set_robust_list resumed>) = 0 [pid 10410] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10408] write(3, "1000", 4 [pid 10407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10411] set_robust_list(0x55556dd196a0, 24 [pid 10409] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10410] <... prctl resumed>) = 0 [pid 10410] setpgid(0, 0) = 0 [pid 10410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10407] <... openat resumed>) = 3 [pid 10408] <... write resumed>) = 4 [pid 10410] <... openat resumed>) = 3 [pid 10408] close(3) = 0 executing program [pid 10408] write(1, "executing program\n", 18) = 18 [pid 10408] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10407] write(3, "1000", 4 [pid 10410] write(3, "1000", 4) = 4 [pid 10408] <... futex resumed>) = 0 executing program [pid 10410] close(3 [pid 10408] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10410] <... close resumed>) = 0 [pid 10407] <... write resumed>) = 4 [pid 10408] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10407] close(3 [pid 10408] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10407] <... close resumed>) = 0 [pid 10410] write(1, "executing program\n", 18 [pid 10407] write(1, "executing program\n", 18 executing program [pid 10408] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10407] <... write resumed>) = 18 [pid 10410] <... write resumed>) = 18 [pid 10407] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10408] <... mmap resumed>) = 0x7f70b113b000 [pid 10407] <... futex resumed>) = 0 [pid 10410] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10407] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10408] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10407] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10410] <... futex resumed>) = 0 [pid 10407] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10408] <... mprotect resumed>) = 0 [pid 10407] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10410] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10409] <... prctl resumed>) = 0 [pid 10407] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10410] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10407] <... mmap resumed>) = 0x7f70b113b000 [pid 10409] setpgid(0, 0 [pid 10407] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10410] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10407] <... mprotect resumed>) = 0 [pid 10409] <... setpgid resumed>) = 0 [pid 10408] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10407] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10410] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10407] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10407] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10410] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10410] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10407] <... clone3 resumed> => {parent_tid=[10412]}, 88) = 10412 [pid 10410] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10409] <... openat resumed>) = 3 [pid 10407] rt_sigprocmask(SIG_SETMASK, [], [pid 10409] write(3, "1000", 4 [pid 10408] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10407] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10411] <... set_robust_list resumed>) = 0 [pid 10409] <... write resumed>) = 4 [pid 10407] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10410] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10409] close(3 [pid 10408] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10407] <... futex resumed>) = 0 [pid 10410] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10409] <... close resumed>) = 0 [pid 10407] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 10409] write(1, "executing program\n", 18) = 18 [pid 10408] <... clone3 resumed> => {parent_tid=[10413]}, 88) = 10413 [pid 10410] <... clone3 resumed> => {parent_tid=[10414]}, 88) = 10414 [pid 10408] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 10413 attached [pid 10411] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10409] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10410] rt_sigprocmask(SIG_SETMASK, [], [pid 10408] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10410] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10408] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10410] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10408] <... futex resumed>) = 0 [pid 10410] <... futex resumed>) = 0 [pid 10408] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10410] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10412 attached [pid 10412] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10413] set_robust_list(0x7f70b115b9a0, 24 [pid 10411] <... prctl resumed>) = 0 [pid 10409] <... futex resumed>) = 0 [pid 10412] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 10414 attached [pid 10414] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10414] rt_sigprocmask(SIG_SETMASK, [], [pid 10409] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10411] setpgid(0, 0 [pid 10409] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10409] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10414] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10409] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10414] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10409] <... mmap resumed>) = 0x7f70b113b000 [pid 10414] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10411] <... setpgid resumed>) = 0 [pid 10409] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10414] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10409] <... mprotect resumed>) = 0 [pid 10410] <... futex resumed>) = 0 [pid 10410] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10409] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10410] <... futex resumed>) = 0 [pid 10409] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10410] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10409] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10414] <... futex resumed>) = 1 ./strace-static-x86_64: Process 10415 attached [pid 10413] <... set_robust_list resumed>) = 0 [pid 10412] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10411] <... openat resumed>) = 3 [pid 10411] write(3, "1000", 4 [pid 10409] <... clone3 resumed> => {parent_tid=[10415]}, 88) = 10415 executing program [pid 10411] <... write resumed>) = 4 [pid 10409] rt_sigprocmask(SIG_SETMASK, [], [pid 10411] close(3 [pid 10409] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10411] <... close resumed>) = 0 [pid 10409] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10411] write(1, "executing program\n", 18 [pid 10409] <... futex resumed>) = 0 [pid 10411] <... write resumed>) = 18 [pid 10409] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10411] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10413] rt_sigprocmask(SIG_SETMASK, [], [pid 10411] <... futex resumed>) = 0 [pid 10413] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10411] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10414] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10411] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10415] set_robust_list(0x7f70b115b9a0, 24 [pid 10414] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10413] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10412] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10411] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10414] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10413] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10412] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10411] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10414] <... futex resumed>) = 1 [pid 10413] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10412] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10411] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10410] <... futex resumed>) = 0 [pid 10414] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10413] <... futex resumed>) = 1 [pid 10412] <... futex resumed>) = 1 [pid 10411] <... mmap resumed>) = 0x7f70b113b000 [pid 10410] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10408] <... futex resumed>) = 0 [pid 10407] <... futex resumed>) = 0 [pid 10415] <... set_robust_list resumed>) = 0 [pid 10414] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10413] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10412] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10411] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10410] <... futex resumed>) = 0 [pid 10408] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10407] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10414] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10412] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10411] <... mprotect resumed>) = 0 [pid 10410] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10408] <... futex resumed>) = 0 [pid 10407] <... futex resumed>) = 0 [pid 10414] <... futex resumed>) = 0 [pid 10413] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10412] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10411] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10410] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10408] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10407] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10415] rt_sigprocmask(SIG_SETMASK, [], [pid 10414] write(-1, "0x0000000000000001", 18 [pid 10413] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10412] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10411] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10410] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10415] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10414] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10413] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10412] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10411] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10410] <... futex resumed>) = 0 ./strace-static-x86_64: Process 10416 attached [pid 10414] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10413] <... futex resumed>) = 1 [pid 10412] <... futex resumed>) = 1 [pid 10415] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10410] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10408] <... futex resumed>) = 0 [pid 10407] <... futex resumed>) = 0 [pid 10416] set_robust_list(0x7f70b115b9a0, 24 [pid 10415] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10414] <... futex resumed>) = 0 [pid 10413] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10412] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10411] <... clone3 resumed> => {parent_tid=[10416]}, 88) = 10416 [pid 10410] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10408] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10407] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10416] <... set_robust_list resumed>) = 0 [pid 10415] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10414] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10412] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10411] rt_sigprocmask(SIG_SETMASK, [], [pid 10410] exit_group(0 [pid 10408] <... futex resumed>) = 0 [pid 10407] <... futex resumed>) = 0 [pid 10416] rt_sigprocmask(SIG_SETMASK, [], [pid 10415] <... futex resumed>) = 1 [pid 10414] <... futex resumed>) = ? [pid 10413] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10412] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10411] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10410] <... exit_group resumed>) = ? [pid 10409] <... futex resumed>) = 0 [pid 10408] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10407] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10416] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10415] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10414] +++ exited with 0 +++ [pid 10413] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10411] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10412] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10412] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10411] <... futex resumed>) = 0 [pid 10410] +++ exited with 0 +++ [pid 10415] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10409] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10407] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10416] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10413] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10412] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10411] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10409] <... futex resumed>) = 0 [pid 10407] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10415] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10410, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10416] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10415] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10413] <... futex resumed>) = 1 [pid 10412] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10409] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10408] <... futex resumed>) = 0 [pid 10407] <... futex resumed>) = 0 [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10416] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10415] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10413] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10412] write(-1, "0x0000000000000001", 18 [pid 10409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10408] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10407] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10416] <... futex resumed>) = 1 [pid 10415] <... futex resumed>) = 0 [pid 10413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10412] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10411] <... futex resumed>) = 0 [pid 10409] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10408] <... futex resumed>) = 0 [pid 10416] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10415] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10412] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10411] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10409] <... futex resumed>) = 0 [pid 10408] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10416] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10415] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10413] write(-1, "0x0000000000000001", 18 [pid 10412] <... futex resumed>) = 1 [pid 10411] <... futex resumed>) = 0 [pid 10409] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10407] <... futex resumed>) = 0 [pid 10416] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10415] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10413] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10412] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10411] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10416] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10415] <... futex resumed>) = 0 [pid 10413] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10409] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10407] exit_group(0 [pid 10415] write(-1, "0x0000000000000001", 18 [pid 10416] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10415] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10413] <... futex resumed>) = 1 [pid 10412] <... futex resumed>) = ? [pid 10409] <... futex resumed>) = 0 [pid 10408] <... futex resumed>) = 0 [pid 10407] <... exit_group resumed>) = ? [pid 10416] <... futex resumed>) = 1 [pid 10415] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10413] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10412] +++ exited with 0 +++ [pid 10411] <... futex resumed>) = 0 [pid 10409] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10408] exit_group(0 [pid 10416] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10411] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10416] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10411] <... futex resumed>) = 0 [pid 10407] +++ exited with 0 +++ [pid 10409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10416] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10415] <... futex resumed>) = 0 [pid 10413] <... futex resumed>) = ? [pid 10411] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10409] exit_group(0 [pid 10408] <... exit_group resumed>) = ? [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10407, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10416] <... futex resumed>) = 0 [pid 10413] +++ exited with 0 +++ [pid 10411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10409] <... exit_group resumed>) = ? [pid 10416] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10411] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10416] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10411] <... futex resumed>) = 0 [pid 10416] write(-1, "0x0000000000000001", 18 [pid 10411] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10416] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10416] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10408] +++ exited with 0 +++ [pid 10416] <... futex resumed>) = 1 [pid 10411] <... futex resumed>) = 0 [pid 10416] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10411] exit_group(0 [pid 10416] <... futex resumed>) = ? [pid 10411] <... exit_group resumed>) = ? [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10408, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10416] +++ exited with 0 +++ [pid 10415] +++ exited with 0 +++ [pid 10411] +++ exited with 0 +++ [pid 10409] +++ exited with 0 +++ [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 551] <... restart_syscall resumed>) = 0 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10411, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10409, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 552] <... restart_syscall resumed>) = 0 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10417 ./strace-static-x86_64: Process 10417 attached [pid 10417] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10417] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10417] setpgid(0, 0) = 0 [pid 10417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10418 [pid 10417] <... openat resumed>) = 3 [pid 10417] write(3, "1000", 4) = 4 [pid 10417] close(3 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10419 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10420 executing program [pid 10417] <... close resumed>) = 0 [pid 10417] write(1, "executing program\n", 18) = 18 [pid 10417] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10417] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10417] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10417] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10417] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 10420 attached ./strace-static-x86_64: Process 10418 attached ) = 0 [pid 10417] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10420] set_robust_list(0x55556dd196a0, 24 [pid 10418] set_robust_list(0x55556dd196a0, 24 [pid 10417] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10417] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10420] <... set_robust_list resumed>) = 0 [pid 10418] <... set_robust_list resumed>) = 0 [pid 10417] <... clone3 resumed> => {parent_tid=[10421]}, 88) = 10421 [pid 10417] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10417] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10417] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10419 attached [pid 10419] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10419] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10419] setpgid(0, 0 [pid 10420] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10419] <... setpgid resumed>) = 0 [pid 10419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10420] <... prctl resumed>) = 0 [pid 10419] <... openat resumed>) = 3 [pid 10420] setpgid(0, 0 [pid 10419] write(3, "1000", 4) = 4 [pid 10419] close(3) = 0 [pid 10419] write(1, "executing program\n", 18executing program ) = 18 [pid 10419] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10420] <... setpgid resumed>) = 0 [pid 10419] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10419] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10419] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10419] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10419] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10419] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10419] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10422]}, 88) = 10422 [pid 10420] <... openat resumed>) = 3 [pid 10419] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10419] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10419] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10421 attached [pid 10421] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10421] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 10422 attached [pid 10421] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10420] write(3, "1000", 4 [pid 10418] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10421] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10421] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10417] <... futex resumed>) = 0 [pid 10417] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10417] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10423 attached [pid 10422] set_robust_list(0x7f70b115b9a0, 24 [pid 10420] <... write resumed>) = 4 [pid 10418] <... prctl resumed>) = 0 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10423 [pid 10421] <... futex resumed>) = 1 [pid 10421] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10421] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10423] set_robust_list(0x55556dd196a0, 24 [pid 10422] <... set_robust_list resumed>) = 0 [pid 10420] close(3 [pid 10418] setpgid(0, 0 [pid 10417] <... futex resumed>) = 0 [pid 10417] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10417] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10421] <... futex resumed>) = 1 [pid 10421] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10421] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10417] <... futex resumed>) = 0 [pid 10417] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10417] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10421] <... futex resumed>) = 1 [pid 10421] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10420] <... close resumed>) = 0 [pid 10418] <... setpgid resumed>) = 0 [pid 10421] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10417] <... futex resumed>) = 0 [pid 10420] write(1, "executing program\n", 18 [pid 10417] exit_group(0) = ? executing program [pid 10421] <... futex resumed>) = ? [pid 10420] <... write resumed>) = 18 [pid 10423] <... set_robust_list resumed>) = 0 [pid 10422] rt_sigprocmask(SIG_SETMASK, [], [pid 10421] +++ exited with 0 +++ [pid 10420] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10418] <... openat resumed>) = 3 [pid 10417] +++ exited with 0 +++ [pid 10420] <... futex resumed>) = 0 [pid 10418] write(3, "1000", 4 [pid 10420] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10417, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10418] <... write resumed>) = 4 [pid 10420] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10418] close(3 executing program [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10420] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10418] <... close resumed>) = 0 [pid 10420] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10418] write(1, "executing program\n", 18 [pid 10423] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10420] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10418] <... write resumed>) = 18 [pid 10420] <... mmap resumed>) = 0x7f70b113b000 [pid 10423] <... prctl resumed>) = 0 [pid 10418] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10420] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10418] <... futex resumed>) = 0 [pid 10420] <... mprotect resumed>) = 0 [pid 10418] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10423] setpgid(0, 0) = 0 [pid 10420] rt_sigprocmask(SIG_BLOCK, ~[], executing program [], 8) = 0 [pid 10418] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10420] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10418] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10418] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10420] <... clone3 resumed> => {parent_tid=[10424]}, 88) = 10424 [pid 10418] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10420] rt_sigprocmask(SIG_SETMASK, [], [pid 10418] <... mmap resumed>) = 0x7f70b113b000 [pid 10420] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10418] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10420] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10418] <... mprotect resumed>) = 0 [pid 10420] <... futex resumed>) = 0 [pid 10423] <... openat resumed>) = 3 [pid 10420] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10418] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10423] write(3, "1000", 4 [pid 10418] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10423] <... write resumed>) = 4 [pid 10418] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10423] close(3) = 0 [pid 10423] write(1, "executing program\n", 18) = 18 [pid 10418] <... clone3 resumed> => {parent_tid=[10425]}, 88) = 10425 [pid 10423] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10422] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10418] rt_sigprocmask(SIG_SETMASK, [], [pid 10423] <... futex resumed>) = 0 [pid 10418] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10422] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10418] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10423] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10418] <... futex resumed>) = 0 [pid 10422] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10418] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10423] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10422] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10423] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10423] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10423] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 10425 attached [pid 10423] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10422] <... futex resumed>) = 1 [pid 10419] <... futex resumed>) = 0 [pid 10423] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10419] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10423] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10419] <... futex resumed>) = 0 [pid 10422] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10419] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10425] set_robust_list(0x7f70b115b9a0, 24 [pid 10423] <... clone3 resumed> => {parent_tid=[10426]}, 88) = 10426 [pid 10423] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10423] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 10424 attached [pid 10423] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10424] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10424] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10424] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10422] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10424] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10424] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10420] <... futex resumed>) = 0 [pid 10422] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10420] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10424] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10422] <... futex resumed>) = 1 [pid 10420] <... futex resumed>) = 0 [pid 10419] <... futex resumed>) = 0 [pid 10424] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10422] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10420] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10419] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10424] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10422] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10419] <... futex resumed>) = 0 [pid 10424] <... futex resumed>) = 1 [pid 10422] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10419] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10426 attached [pid 10425] <... set_robust_list resumed>) = 0 [pid 10424] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10422] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10420] <... futex resumed>) = 0 [pid 10422] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10420] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10422] <... futex resumed>) = 1 [pid 10420] <... futex resumed>) = 0 [pid 10419] <... futex resumed>) = 0 [pid 10422] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10420] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10419] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10422] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10419] <... futex resumed>) = 0 [pid 10424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10422] write(-1, "0x0000000000000001", 18 [pid 10419] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10422] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10424] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10422] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10424] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10422] <... futex resumed>) = 1 [pid 10419] <... futex resumed>) = 0 [pid 10424] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10422] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10419] exit_group(0 [pid 10424] <... futex resumed>) = 1 [pid 10422] <... futex resumed>) = ? [pid 10420] <... futex resumed>) = 0 [pid 10419] <... exit_group resumed>) = ? [pid 10424] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10422] +++ exited with 0 +++ [pid 10425] rt_sigprocmask(SIG_SETMASK, [], [pid 10426] set_robust_list(0x7f70b115b9a0, 24 [pid 10425] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10426] <... set_robust_list resumed>) = 0 [pid 10425] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10426] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10426] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10420] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10419] +++ exited with 0 +++ [pid 10420] <... futex resumed>) = 1 [pid 10424] <... futex resumed>) = 0 [pid 10420] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10419, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10425] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 10424] write(-1, "0x0000000000000001", 18 [pid 10426] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10425] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10418] <... futex resumed>) = 0 [pid 10424] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10418] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10426] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10425] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10424] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10418] <... futex resumed>) = 0 [pid 10426] <... futex resumed>) = 1 [pid 10425] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10424] <... futex resumed>) = 1 [pid 10423] <... futex resumed>) = 0 [pid 10420] <... futex resumed>) = 0 [pid 10418] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 553] <... restart_syscall resumed>) = 0 [pid 10426] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10425] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10424] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10423] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10420] exit_group(0 [pid 10418] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10426] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10425] <... futex resumed>) = 0 [pid 10424] <... futex resumed>) = ? [pid 10423] <... futex resumed>) = 0 [pid 10420] <... exit_group resumed>) = ? [pid 10418] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10426] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10425] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10424] +++ exited with 0 +++ [pid 10423] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10418] <... futex resumed>) = 0 [pid 10426] <... futex resumed>) = 0 [pid 10425] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10426] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10425] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10423] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10426] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10425] <... futex resumed>) = 0 [pid 10423] <... futex resumed>) = 0 [pid 10426] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10425] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10423] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10420] +++ exited with 0 +++ [pid 10418] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10426] <... futex resumed>) = 0 [pid 10423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10426] write(-1, "0x0000000000000001", 18 [pid 10423] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10418] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10426] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10423] <... futex resumed>) = 0 [pid 10426] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10423] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10426] <... futex resumed>) = 0 [pid 10423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10420, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10418] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10426] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10423] exit_group(0 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10427 [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10426] <... futex resumed>) = ? [pid 10425] <... futex resumed>) = 0 [pid 10423] <... exit_group resumed>) = ? [pid 10418] <... futex resumed>) = 1 ./strace-static-x86_64: Process 10427 attached [pid 10426] +++ exited with 0 +++ [pid 10425] write(-1, "0x0000000000000001", 18 [pid 10423] +++ exited with 0 +++ [pid 10418] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 555] <... restart_syscall resumed>) = 0 [pid 552] <... restart_syscall resumed>) = 0 [pid 10425] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10423, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10425] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10425] <... futex resumed>) = 1 executing program [pid 10425] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10418] <... futex resumed>) = 0 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10418] exit_group(0 [pid 10427] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10427] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10418] <... exit_group resumed>) = ? [pid 10427] <... prctl resumed>) = 0 [pid 10427] setpgid(0, 0) = 0 [pid 10427] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10425] <... futex resumed>) = ? [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10428 [pid 10427] write(3, "1000", 4 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10429 [pid 10427] <... write resumed>) = 4 [pid 10427] close(3) = 0 [pid 10427] write(1, "executing program\n", 18) = 18 [pid 10427] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10427] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10427] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10425] +++ exited with 0 +++ [pid 10418] +++ exited with 0 +++ [pid 10427] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10418, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10427] <... mmap resumed>) = 0x7f70b113b000 [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10427] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 10429 attached [pid 10427] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10427] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10429] set_robust_list(0x55556dd196a0, 24./strace-static-x86_64: Process 10430 attached [pid 10427] <... clone3 resumed> => {parent_tid=[10430]}, 88) = 10430 [pid 10427] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10427] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10430] set_robust_list(0x7f70b115b9a0, 24 [pid 10429] <... set_robust_list resumed>) = 0 [pid 10427] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10428 attached [pid 10428] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10429] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10428] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10428] setpgid(0, 0) = 0 [pid 10430] <... set_robust_list resumed>) = 0 [pid 10429] <... prctl resumed>) = 0 [pid 10428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10430] rt_sigprocmask(SIG_SETMASK, [], [pid 10429] setpgid(0, 0 [pid 10428] <... openat resumed>) = 3 executing program [pid 10428] write(3, "1000", 4) = 4 [pid 10428] close(3) = 0 [pid 10428] write(1, "executing program\n", 18) = 18 [pid 10430] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10429] <... setpgid resumed>) = 0 [pid 10428] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10428] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10428] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10428] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10428] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 554] <... restart_syscall resumed>) = 0 [pid 10430] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10429] <... openat resumed>) = 3 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10428] <... mmap resumed>) = 0x7f70b113b000 [pid 10428] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10428] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10428] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10431 [pid 10428] <... clone3 resumed> => {parent_tid=[10432]}, 88) = 10432 [pid 10428] rt_sigprocmask(SIG_SETMASK, [], [pid 10429] write(3, "1000", 4 [pid 10428] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10428] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10428] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10429] <... write resumed>) = 4 ./strace-static-x86_64: Process 10431 attached [pid 10429] close(3 [pid 10431] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10431] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10429] <... close resumed>) = 0 ./strace-static-x86_64: Process 10432 attached [pid 10430] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10431] <... prctl resumed>) = 0 [pid 10431] setpgid(0, 0) = 0 [pid 10432] set_robust_list(0x7f70b115b9a0, 24 [pid 10431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10430] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10429] write(1, "executing program\n", 18 [pid 10431] <... openat resumed>) = 3 [pid 10431] write(3, "1000", 4) = 4 [pid 10431] close(3executing program ) = 0 [pid 10431] write(1, "executing program\n", 18) = 18 [pid 10431] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10431] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10431] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], executing program NULL, 8) = 0 [pid 10431] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10429] <... write resumed>) = 18 [pid 10431] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10431] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10430] <... futex resumed>) = 1 [pid 10429] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10427] <... futex resumed>) = 0 [pid 10427] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10427] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10431] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10431] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0}./strace-static-x86_64: Process 10433 attached [pid 10432] <... set_robust_list resumed>) = 0 [pid 10430] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10429] <... futex resumed>) = 0 [pid 10431] <... clone3 resumed> => {parent_tid=[10433]}, 88) = 10433 [pid 10431] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10431] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10431] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10433] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10433] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10433] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10430] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10429] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 551] <... restart_syscall resumed>) = 0 [pid 10433] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10431] <... futex resumed>) = 0 [pid 10431] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10431] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10433] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10433] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10431] <... futex resumed>) = 0 [pid 10431] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10431] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10433] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10433] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10432] rt_sigprocmask(SIG_SETMASK, [], [pid 10430] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10429] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10432] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10430] <... futex resumed>) = 1 [pid 10429] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10427] <... futex resumed>) = 0 [pid 10432] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10430] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10429] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10427] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10433] <... futex resumed>) = 1 [pid 10432] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10431] <... futex resumed>) = 0 [pid 10430] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10429] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10427] <... futex resumed>) = 0 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10433] write(-1, "0x0000000000000001", 18 [pid 10432] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10431] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10430] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10429] <... mmap resumed>) = 0x7f70b113b000 [pid 10427] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10433] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10431] <... futex resumed>) = 0 [pid 10433] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10431] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10429] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10433] <... futex resumed>) = 0 [pid 10432] <... futex resumed>) = 1 [pid 10431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10430] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10429] <... mprotect resumed>) = 0 [pid 10428] <... futex resumed>) = 0 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10434 ./strace-static-x86_64: Process 10434 attached [pid 10433] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10432] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10431] exit_group(0 [pid 10430] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10429] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10428] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10433] <... futex resumed>) = ? [pid 10431] <... exit_group resumed>) = ? [pid 10428] <... futex resumed>) = 0 [pid 10434] set_robust_list(0x55556dd196a0, 24 [pid 10433] +++ exited with 0 +++ [pid 10432] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10431] +++ exited with 0 +++ [pid 10430] <... futex resumed>) = 1 [pid 10429] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10428] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10427] <... futex resumed>) = 0 [pid 10427] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10427] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10434] <... set_robust_list resumed>) = 0 [pid 10434] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10430] write(-1, "0x0000000000000001", 18 [pid 10432] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10429] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10431, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10434] setpgid(0, 0) = 0 [pid 10434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10432] <... openat resumed>) = -1 ENOENT (No such file or directory) ./strace-static-x86_64: Process 10435 attached [pid 10430] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10434] <... openat resumed>) = 3 [pid 10432] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10430] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10429] <... clone3 resumed> => {parent_tid=[10435]}, 88) = 10435 [pid 554] <... restart_syscall resumed>) = 0 [pid 10434] write(3, "1000", 4) = 4 [pid 10434] close(3) = 0 [pid 10434] write(1, "executing program\n", 18executing program ) = 18 [pid 10434] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10434] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10434] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10434] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10434] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10429] rt_sigprocmask(SIG_SETMASK, [], [pid 10435] set_robust_list(0x7f70b115b9a0, 24 [pid 10434] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10432] <... futex resumed>) = 1 [pid 10430] <... futex resumed>) = 1 [pid 10428] <... futex resumed>) = 0 [pid 10429] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10427] <... futex resumed>) = 0 [pid 10434] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10428] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10427] exit_group(0 [pid 10434] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10428] <... futex resumed>) = 0 [pid 10427] <... exit_group resumed>) = ? [pid 10432] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10429] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10428] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10435] <... set_robust_list resumed>) = 0 [pid 10434] <... clone3 resumed> => {parent_tid=[10436]}, 88) = 10436 [pid 10432] <... openat resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 10436 attached [pid 10436] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10436] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10436] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10430] +++ exited with 0 +++ [pid 10429] <... futex resumed>) = 0 [pid 10427] +++ exited with 0 +++ [pid 10432] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10429] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10432] <... futex resumed>) = 1 [pid 10428] <... futex resumed>) = 0 [pid 10428] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10428] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10435] rt_sigprocmask(SIG_SETMASK, [], [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10427, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10435] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10432] write(-1, "0x0000000000000001", 18 [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10432] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10437 [pid 10432] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10428] <... futex resumed>) = 0 [pid 10432] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10428] exit_group(0 [pid 10432] <... futex resumed>) = ? [pid 10428] <... exit_group resumed>) = ? [pid 10434] rt_sigprocmask(SIG_SETMASK, [], [pid 10432] +++ exited with 0 +++ [pid 10428] +++ exited with 0 +++ [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10428, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 10435] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10434] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10435] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10429] <... futex resumed>) = 0 [pid 10435] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10429] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10429] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10435] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10435] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10429] <... futex resumed>) = 0 [pid 10435] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10429] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10435] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10429] <... futex resumed>) = 0 [pid 10434] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] <... restart_syscall resumed>) = 0 [pid 10429] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10435] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10429] <... futex resumed>) = 0 [pid 555] <... restart_syscall resumed>) = 0 [pid 10429] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10429] <... futex resumed>) = 0 [pid 10435] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10435] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10435] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 10437 attached [pid 10429] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10438 [pid 10437] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10429] exit_group(0) = ? [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10439 [pid 10435] <... futex resumed>) = ? ./strace-static-x86_64: Process 10439 attached [pid 10436] <... futex resumed>) = 0 [pid 10435] +++ exited with 0 +++ [pid 10434] <... futex resumed>) = 1 [pid 10429] +++ exited with 0 +++ [pid 10437] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10429, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10437] <... prctl resumed>) = 0 [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10437] setpgid(0, 0) = 0 [pid 10439] set_robust_list(0x55556dd196a0, 24 [pid 10436] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10434] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10436] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10439] <... set_robust_list resumed>) = 0 [pid 10437] <... openat resumed>) = 3 [pid 10436] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10437] write(3, "1000", 4) = 4 [pid 10437] close(3) = 0 executing program [pid 10437] write(1, "executing program\n", 18) = 18 [pid 10437] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10436] <... futex resumed>) = 1 [pid 10434] <... futex resumed>) = 0 [pid 10437] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10437] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10437] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10437] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10437] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10436] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10434] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10439] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10436] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10437] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10436] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10434] <... futex resumed>) = 0 [pid 10436] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10437] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10436] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10434] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10436] <... futex resumed>) = 0 [pid 10436] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10434] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10439] <... prctl resumed>) = 0 [pid 10437] <... clone3 resumed> => {parent_tid=[10440]}, 88) = 10440 ./strace-static-x86_64: Process 10438 attached [pid 10434] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10438] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10438] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10434] <... futex resumed>) = 1 [pid 10436] <... futex resumed>) = 0 [pid 10439] setpgid(0, 0 [pid 10434] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10436] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10438] <... prctl resumed>) = 0 [pid 10436] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10438] setpgid(0, 0 [pid 10436] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10438] <... setpgid resumed>) = 0 [pid 10436] <... futex resumed>) = 1 [pid 10434] <... futex resumed>) = 0 [pid 10436] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10434] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10436] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10434] <... futex resumed>) = 0 [pid 10438] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10436] write(-1, "0x0000000000000001", 18 [pid 10434] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10439] <... setpgid resumed>) = 0 [pid 10437] rt_sigprocmask(SIG_SETMASK, [], [pid 10436] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10438] <... openat resumed>) = 3 [pid 10437] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10436] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10438] write(3, "1000", 4 [pid 10436] <... futex resumed>) = 1 [pid 10434] <... futex resumed>) = 0 [pid 10437] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10436] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10437] <... futex resumed>) = 0 [pid 10434] exit_group(0 [pid 10439] <... openat resumed>) = 3 executing program [pid 10437] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10434] <... exit_group resumed>) = ? [pid 10436] <... futex resumed>) = ? [pid 10438] <... write resumed>) = 4 [pid 10436] +++ exited with 0 +++ [pid 10438] close(3) = 0 [pid 10438] write(1, "executing program\n", 18) = 18 [pid 10438] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10438] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10438] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10434] +++ exited with 0 +++ [pid 10438] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10439] write(3, "1000", 4 [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10434, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10438] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10439] <... write resumed>) = 4 [pid 10438] <... mmap resumed>) = 0x7f70b113b000 [pid 10438] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10439] close(3 [pid 10438] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10438] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10441]}, 88) = 10441 [pid 10439] <... close resumed>) = 0 [pid 10438] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10438] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10438] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10439] write(1, "executing program\n", 18./strace-static-x86_64: Process 10440 attached [pid 10440] set_robust_list(0x7f70b115b9a0, 24executing program ) = 0 [pid 10440] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10440] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10439] <... write resumed>) = 18 [pid 10440] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10440] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10437] <... futex resumed>) = 0 [pid 10439] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10437] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10440] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10437] <... futex resumed>) = 0 [pid 10439] <... futex resumed>) = 0 [pid 10437] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10439] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10440] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10439] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10440] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10439] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 552] <... restart_syscall resumed>) = 0 [pid 10439] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10440] <... futex resumed>) = 1 [pid 10437] <... futex resumed>) = 0 [pid 10439] <... mmap resumed>) = 0x7f70b113b000 [pid 10437] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10439] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10437] <... futex resumed>) = 0 [pid 10440] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10440] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10440] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 10441 attached [pid 10437] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10439] <... mprotect resumed>) = 0 [pid 10437] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10442 [pid 551] <... restart_syscall resumed>) = 0 [pid 10437] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10441] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10437] <... futex resumed>) = 1 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10440] <... futex resumed>) = 0 [pid 10440] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10440] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10440] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10437] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10439] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10437] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10439] <... rt_sigprocmask resumed>[], 8) = 0 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10443 [pid 10439] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10437] exit_group(0) = ? [pid 10440] <... futex resumed>) = ? [pid 10440] +++ exited with 0 +++ [pid 10441] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10441] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10441] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10438] <... futex resumed>) = 0 [pid 10438] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10438] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10437] +++ exited with 0 +++ [pid 10439] <... clone3 resumed> => {parent_tid=[10444]}, 88) = 10444 [pid 10439] rt_sigprocmask(SIG_SETMASK, [], [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10437, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10439] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10439] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10441] <... futex resumed>) = 1 [pid 10439] <... futex resumed>) = 0 [pid 10441] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10439] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10443 attached ./strace-static-x86_64: Process 10442 attached [pid 10441] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10441] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10438] <... futex resumed>) = 0 [pid 10438] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10438] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10441] <... futex resumed>) = 1 [pid 10441] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10443] set_robust_list(0x55556dd196a0, 24 [pid 10441] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10441] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10438] <... futex resumed>) = 0 [pid 10438] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10438] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10441] <... futex resumed>) = 1 [pid 10443] <... set_robust_list resumed>) = 0 [pid 10442] set_robust_list(0x55556dd196a0, 24 [pid 10441] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10441] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10438] <... futex resumed>) = 0 [pid 10438] exit_group(0) = ? [pid 10441] <... futex resumed>) = ? [pid 10443] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10442] <... set_robust_list resumed>) = 0 [pid 10443] <... prctl resumed>) = 0 [pid 10442] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10441] +++ exited with 0 +++ [pid 10438] +++ exited with 0 +++ ./strace-static-x86_64: Process 10444 attached [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10438, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10444] set_robust_list(0x7f70b115b9a0, 24 [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10444] <... set_robust_list resumed>) = 0 [pid 10443] setpgid(0, 0 [pid 10444] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10444] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10444] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10439] <... futex resumed>) = 0 [pid 10439] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10443] <... setpgid resumed>) = 0 [pid 10442] <... prctl resumed>) = 0 [pid 10439] <... futex resumed>) = 0 [pid 10439] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10444] <... futex resumed>) = 1 [pid 10443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10442] setpgid(0, 0 [pid 554] <... restart_syscall resumed>) = 0 [pid 10444] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10443] <... openat resumed>) = 3 [pid 10442] <... setpgid resumed>) = 0 [pid 10444] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10443] write(3, "1000", 4 [pid 10444] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10443] <... write resumed>) = 4 [pid 10442] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10439] <... futex resumed>) = 0 [pid 10439] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10439] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10444] <... futex resumed>) = 1 [pid 10444] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10443] close(3 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10445 [pid 10444] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10443] <... close resumed>) = 0 [pid 10442] <... openat resumed>) = 3 [pid 10444] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10439] <... futex resumed>) = 0 [pid 10439] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10439] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10444] <... futex resumed>) = 1 [pid 10444] write(-1, "0x0000000000000001", 18 [pid 10443] write(1, "executing program\n", 18 [pid 10442] write(3, "1000", 4 [pid 10444] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10444] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10439] <... futex resumed>) = 0 executing program [pid 10439] exit_group(0) = ? [pid 10443] <... write resumed>) = 18 [pid 10442] <... write resumed>) = 4 [pid 10444] <... futex resumed>) = ? [pid 10444] +++ exited with 0 +++ [pid 10443] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10442] close(3 [pid 10439] +++ exited with 0 +++ [pid 10443] <... futex resumed>) = 0 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10439, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10442] <... close resumed>) = 0 executing program [pid 10443] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 10443] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10442] write(1, "executing program\n", 18./strace-static-x86_64: Process 10445 attached [pid 10445] set_robust_list(0x55556dd196a0, 24 [pid 10443] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10442] <... write resumed>) = 18 [pid 10445] <... set_robust_list resumed>) = 0 [pid 10445] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10443] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10442] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10445] <... prctl resumed>) = 0 [pid 10445] setpgid(0, 0 executing program [pid 553] <... restart_syscall resumed>) = 0 [pid 10443] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10442] <... futex resumed>) = 0 [pid 10443] <... mmap resumed>) = 0x7f70b113b000 [pid 10442] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10445] <... setpgid resumed>) = 0 [pid 555] <... restart_syscall resumed>) = 0 [pid 10443] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10442] <... rt_sigaction resumed>NULL, 8) = 0 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10443] <... mprotect resumed>) = 0 [pid 10442] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10445] write(3, "1000", 4) = 4 [pid 10445] close(3 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10446 [pid 10445] <... close resumed>) = 0 [pid 10445] write(1, "executing program\n", 18) = 18 [pid 10445] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10445] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10445] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10447 [pid 10445] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10445] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10443] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10442] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10445] <... mmap resumed>) = 0x7f70b113b000 [pid 10443] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10442] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10443] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10442] <... mmap resumed>) = 0x7f70b113b000 [pid 10445] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10442] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10443] <... clone3 resumed> => {parent_tid=[10448]}, 88) = 10448 [pid 10442] <... mprotect resumed>) = 0 [pid 10443] rt_sigprocmask(SIG_SETMASK, [], [pid 10445] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10443] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10442] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10443] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10442] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10443] <... futex resumed>) = 0 [pid 10442] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10443] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10445] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10445] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10442] <... clone3 resumed> => {parent_tid=[10449]}, 88) = 10449 ./strace-static-x86_64: Process 10447 attached [pid 10442] rt_sigprocmask(SIG_SETMASK, [], [pid 10445] <... clone3 resumed> => {parent_tid=[10450]}, 88) = 10450 [pid 10442] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10445] rt_sigprocmask(SIG_SETMASK, [], [pid 10442] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10445] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10442] <... futex resumed>) = 0 [pid 10445] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10442] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10445] <... futex resumed>) = 0 [pid 10445] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10446 attached ./strace-static-x86_64: Process 10449 attached [pid 10447] set_robust_list(0x55556dd196a0, 24 [pid 10446] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10446] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10449] set_robust_list(0x7f70b115b9a0, 24 [pid 10447] <... set_robust_list resumed>) = 0 [pid 10446] <... prctl resumed>) = 0 [pid 10446] setpgid(0, 0) = 0 [pid 10446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10449] <... set_robust_list resumed>) = 0 [pid 10447] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10449] rt_sigprocmask(SIG_SETMASK, [], [pid 10447] <... prctl resumed>) = 0 [pid 10446] <... openat resumed>) = 3 [pid 10446] write(3, "1000", 4) = 4 [pid 10446] close(3) = 0 executing program [pid 10446] write(1, "executing program\n", 18) = 18 [pid 10446] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10448 attached [pid 10448] set_robust_list(0x7f70b115b9a0, 24 [pid 10446] <... futex resumed>) = 0 [pid 10448] <... set_robust_list resumed>) = 0 [pid 10448] rt_sigprocmask(SIG_SETMASK, [], [pid 10446] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10448] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10446] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10449] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10448] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10447] setpgid(0, 0 [pid 10449] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10447] <... setpgid resumed>) = 0 [pid 10446] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10446] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 ./strace-static-x86_64: Process 10450 attached [pid 10446] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10450] set_robust_list(0x7f70b115b9a0, 24 [pid 10446] <... mprotect resumed>) = 0 [pid 10450] <... set_robust_list resumed>) = 0 [pid 10448] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10449] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10450] rt_sigprocmask(SIG_SETMASK, [], [pid 10447] <... openat resumed>) = 3 [pid 10449] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10447] write(3, "1000", 4) = 4 [pid 10448] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10447] close(3 [pid 10449] <... futex resumed>) = 1 [pid 10442] <... futex resumed>) = 0 [pid 10449] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULLexecuting program [pid 10447] <... close resumed>) = 0 [pid 10442] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10449] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10447] write(1, "executing program\n", 18 [pid 10442] <... futex resumed>) = 0 [pid 10449] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10447] <... write resumed>) = 18 [pid 10442] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10447] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10450] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10449] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10448] <... futex resumed>) = 1 [pid 10447] <... futex resumed>) = 0 [pid 10446] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10443] <... futex resumed>) = 0 [pid 10449] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10447] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10443] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10447] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10449] <... futex resumed>) = 1 [pid 10447] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10443] <... futex resumed>) = 0 [pid 10442] <... futex resumed>) = 0 [pid 10449] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10447] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10443] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10442] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10449] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10447] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10450] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10448] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10446] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10442] <... futex resumed>) = 0 [pid 10449] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10447] <... mmap resumed>) = 0x7f70b113b000 [pid 10442] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10449] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10447] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10449] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10447] <... mprotect resumed>) = 0 [pid 10449] <... futex resumed>) = 1 [pid 10442] <... futex resumed>) = 0 [pid 10450] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10448] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10446] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10442] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10449] write(-1, "0x0000000000000001", 18 [pid 10447] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10449] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10447] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10442] <... futex resumed>) = 0 [pid 10449] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10447] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10442] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10449] <... futex resumed>) = 0 [pid 10442] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10450] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10449] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10448] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10442] exit_group(0 [pid 10447] <... clone3 resumed> => {parent_tid=[10451]}, 88) = 10451 [pid 10449] <... futex resumed>) = ? [pid 10447] rt_sigprocmask(SIG_SETMASK, [], [pid 10442] <... exit_group resumed>) = ? [pid 10449] +++ exited with 0 +++ [pid 10450] <... futex resumed>) = 1 [pid 10448] <... futex resumed>) = 1 [pid 10446] <... clone3 resumed> => {parent_tid=[10452]}, 88) = 10452 [pid 10445] <... futex resumed>) = 0 [pid 10450] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10448] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10446] rt_sigprocmask(SIG_SETMASK, [], [pid 10445] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10450] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10446] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10445] <... futex resumed>) = 0 [pid 10450] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10447] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10446] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10445] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10443] <... futex resumed>) = 0 [pid 10442] +++ exited with 0 +++ [pid 10450] <... futex resumed>) = 0 [pid 10447] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10446] <... futex resumed>) = 0 [pid 10445] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10443] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10450] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10448] <... futex resumed>) = 0 [pid 10447] <... futex resumed>) = 0 [pid 10446] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10445] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10443] <... futex resumed>) = 1 [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10442, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10450] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10448] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10447] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10445] <... futex resumed>) = 0 [pid 10443] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10450] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10448] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10445] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 552] <... restart_syscall resumed>) = 0 [pid 10450] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10448] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10450] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10448] <... futex resumed>) = 1 [pid 10443] <... futex resumed>) = 0 ./strace-static-x86_64: Process 10451 attached [pid 10450] <... futex resumed>) = 1 [pid 10448] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10445] <... futex resumed>) = 0 [pid 10443] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10450] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10448] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10445] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10443] <... futex resumed>) = 0 [pid 10451] set_robust_list(0x7f70b115b9a0, 24 [pid 10450] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10448] write(-1, "0x0000000000000001", 18 [pid 10445] <... futex resumed>) = 0 [pid 10443] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10450] write(-1, "0x0000000000000001", 18 [pid 10448] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10445] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10450] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10448] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10450] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10448] <... futex resumed>) = 1 [pid 10443] <... futex resumed>) = 0 [pid 10450] <... futex resumed>) = 1 [pid 10448] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10445] <... futex resumed>) = 0 [pid 10443] exit_group(0./strace-static-x86_64: Process 10453 attached ./strace-static-x86_64: Process 10452 attached [pid 10450] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10445] exit_group(0 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10453 [pid 10448] <... futex resumed>) = ? [pid 10443] <... exit_group resumed>) = ? [pid 10451] <... set_robust_list resumed>) = 0 [pid 10450] <... futex resumed>) = ? [pid 10448] +++ exited with 0 +++ [pid 10445] <... exit_group resumed>) = ? [pid 10452] set_robust_list(0x7f70b115b9a0, 24 [pid 10451] rt_sigprocmask(SIG_SETMASK, [], [pid 10450] +++ exited with 0 +++ [pid 10445] +++ exited with 0 +++ [pid 10443] +++ exited with 0 +++ [pid 10453] set_robust_list(0x55556dd196a0, 24 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10445, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10451] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10443, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10452] <... set_robust_list resumed>) = 0 [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10451] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10452] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10452] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10452] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10446] <... futex resumed>) = 0 [pid 10452] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10446] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10452] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10446] <... futex resumed>) = 0 [pid 10452] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10446] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10452] <... futex resumed>) = 0 [pid 10446] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10452] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10446] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10452] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10446] <... futex resumed>) = 0 [pid 10452] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10446] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10452] <... futex resumed>) = 0 [pid 10446] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10452] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10446] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10452] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10446] <... futex resumed>) = 0 [pid 554] <... restart_syscall resumed>) = 0 [pid 10452] write(-1, "0x0000000000000001", 18 [pid 10451] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10446] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10452] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10452] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10451] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10446] <... futex resumed>) = 0 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10452] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10446] exit_group(0./strace-static-x86_64: Process 10454 attached [pid 10453] <... set_robust_list resumed>) = 0 [pid 10452] <... futex resumed>) = ? [pid 10451] <... futex resumed>) = 1 [pid 10447] <... futex resumed>) = 0 [pid 10446] <... exit_group resumed>) = ? [pid 10454] set_robust_list(0x55556dd196a0, 24 [pid 10453] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10452] +++ exited with 0 +++ [pid 10451] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10447] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10446] +++ exited with 0 +++ [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10454 [pid 10454] <... set_robust_list resumed>) = 0 [pid 10451] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10447] <... futex resumed>) = 0 [pid 10451] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10447] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10451] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10446, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10451] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10454] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10451] <... futex resumed>) = 1 [pid 10447] <... futex resumed>) = 0 [pid 10454] <... prctl resumed>) = 0 [pid 10451] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10447] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10454] setpgid(0, 0 [pid 10451] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10447] <... futex resumed>) = 0 [pid 10454] <... setpgid resumed>) = 0 [pid 10451] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10447] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10451] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10453] <... prctl resumed>) = 0 [pid 10451] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10453] setpgid(0, 0 [pid 10451] <... futex resumed>) = 1 [pid 10447] <... futex resumed>) = 0 [pid 10454] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10451] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10447] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10451] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10447] <... futex resumed>) = 0 [pid 10453] <... setpgid resumed>) = 0 [pid 10451] write(-1, "0x0000000000000001", 18 [pid 10447] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10451] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10454] <... openat resumed>) = 3 [pid 10453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10451] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10454] write(3, "1000", 4 [pid 10453] <... openat resumed>) = 3 [pid 10451] <... futex resumed>) = 1 [pid 10447] <... futex resumed>) = 0 [pid 10451] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10447] exit_group(0 [pid 10454] <... write resumed>) = 4 [pid 10453] write(3, "1000", 4 [pid 10447] <... exit_group resumed>) = ? executing program [pid 10451] <... futex resumed>) = ? [pid 10454] close(3 [pid 10453] <... write resumed>) = 4 [pid 10453] close(3) = 0 [pid 10453] write(1, "executing program\n", 18) = 18 [pid 10453] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10453] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10453] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10451] +++ exited with 0 +++ [pid 10447] +++ exited with 0 +++ [pid 10453] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10454] <... close resumed>) = 0 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10447, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10453] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 executing program [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 10454] write(1, "executing program\n", 18 [pid 10453] <... mmap resumed>) = 0x7f70b113b000 [pid 10453] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10454] <... write resumed>) = 18 [pid 10453] <... mprotect resumed>) = 0 [pid 555] <... restart_syscall resumed>) = 0 [pid 10454] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10453] rt_sigprocmask(SIG_BLOCK, ~[], [pid 553] <... restart_syscall resumed>) = 0 [pid 10453] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10453] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10454] <... futex resumed>) = 0 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10453] <... clone3 resumed> => {parent_tid=[10455]}, 88) = 10455 [pid 10453] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10453] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10453] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10456 attached [pid 10454] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 551] <... restart_syscall resumed>) = 0 [pid 10454] <... rt_sigaction resumed>NULL, 8) = 0 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10456 [pid 10456] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10456] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10454] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10457 [pid 10454] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10454] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10456] setpgid(0, 0) = 0 [pid 10456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10454] <... mmap resumed>) = 0x7f70b113b000 [pid 10456] write(3, "1000", 4executing program [pid 10454] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10458 [pid 10456] <... write resumed>) = 4 [pid 10454] <... mprotect resumed>) = 0 [pid 10456] close(3) = 0 [pid 10456] write(1, "executing program\n", 18) = 18 [pid 10456] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10456] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10454] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10456] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10454] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10456] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10454] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10456] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10456] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10456] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 10459 attached ./strace-static-x86_64: Process 10458 attached ./strace-static-x86_64: Process 10457 attached [pid 10456] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10454] <... clone3 resumed> => {parent_tid=[10459]}, 88) = 10459 [pid 10457] set_robust_list(0x55556dd196a0, 24 [pid 10454] rt_sigprocmask(SIG_SETMASK, [], [pid 10456] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10454] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10456] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10454] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10456] <... clone3 resumed> => {parent_tid=[10460]}, 88) = 10460 [pid 10454] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10456] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10456] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10456] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10460 attached [pid 10457] <... set_robust_list resumed>) = 0 [pid 10460] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10460] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10460] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10459] set_robust_list(0x7f70b115b9a0, 24 [pid 10458] set_robust_list(0x55556dd196a0, 24 [pid 10457] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 10455 attached ) = 0 [pid 10457] setpgid(0, 0 [pid 10455] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10455] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10455] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10460] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10455] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10460] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10455] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10456] <... futex resumed>) = 0 [pid 10456] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10456] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10453] <... futex resumed>) = 0 [pid 10458] <... set_robust_list resumed>) = 0 [pid 10457] <... setpgid resumed>) = 0 [pid 10453] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10453] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10455] <... futex resumed>) = 1 [pid 10460] <... futex resumed>) = 1 [pid 10455] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10460] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10455] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10458] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10460] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10460] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10458] <... prctl resumed>) = 0 [pid 10457] <... openat resumed>) = 3 [pid 10455] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10456] <... futex resumed>) = 0 [pid 10456] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10456] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10460] <... futex resumed>) = 1 [pid 10459] <... set_robust_list resumed>) = 0 [pid 10458] setpgid(0, 0 [pid 10457] write(3, "1000", 4 [pid 10455] <... futex resumed>) = 1 [pid 10453] <... futex resumed>) = 0 [pid 10460] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10458] <... setpgid resumed>) = 0 [pid 10457] <... write resumed>) = 4 [pid 10453] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10459] rt_sigprocmask(SIG_SETMASK, [], [pid 10458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10457] close(3 [pid 10453] <... futex resumed>) = 0 [pid 10460] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10458] <... openat resumed>) = 3 [pid 10457] <... close resumed>) = 0 [pid 10455] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 executing program [pid 10453] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10458] write(3, "1000", 4 [pid 10457] write(1, "executing program\n", 18 [pid 10458] <... write resumed>) = 4 [pid 10457] <... write resumed>) = 18 [pid 10458] close(3 [pid 10457] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10458] <... close resumed>) = 0 [pid 10457] <... futex resumed>) = 0 [pid 10458] write(1, "executing program\n", 18 [pid 10457] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10460] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10459] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10460] <... futex resumed>) = 1 [pid 10456] <... futex resumed>) = 0 [pid 10460] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10455] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10456] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10460] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 10459] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10456] <... futex resumed>) = 0 [pid 10455] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10456] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10460] write(-1, "0x0000000000000001", 18 [pid 10459] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10458] <... write resumed>) = 18 [pid 10457] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10455] <... futex resumed>) = 1 [pid 10453] <... futex resumed>) = 0 [pid 10458] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10457] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10453] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10458] <... futex resumed>) = 0 [pid 10457] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10453] <... futex resumed>) = 0 [pid 10458] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10457] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10453] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10460] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10459] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10458] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10457] <... mmap resumed>) = 0x7f70b113b000 [pid 10455] write(-1, "0x0000000000000001", 18 [pid 10458] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10457] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10458] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10457] <... mprotect resumed>) = 0 [pid 10458] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10460] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10457] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10455] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10459] <... futex resumed>) = 1 [pid 10454] <... futex resumed>) = 0 [pid 10458] <... mmap resumed>) = 0x7f70b113b000 [pid 10457] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10454] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10458] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10457] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10454] <... futex resumed>) = 0 [pid 10460] <... futex resumed>) = 1 [pid 10459] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10458] <... mprotect resumed>) = 0 [pid 10456] <... futex resumed>) = 0 [pid 10455] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10454] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10460] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10459] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10458] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10457] <... clone3 resumed> => {parent_tid=[10461]}, 88) = 10461 [pid 10456] exit_group(0 [pid 10459] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10458] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10457] rt_sigprocmask(SIG_SETMASK, [], [pid 10456] <... exit_group resumed>) = ? [pid 10460] <... futex resumed>) = -1 (errno 18446744073709551602) [pid 10455] <... futex resumed>) = 1 [pid 10459] <... futex resumed>) = 1 [pid 10458] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10457] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10454] <... futex resumed>) = 0 [pid 10453] <... futex resumed>) = 0 [pid 10457] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10455] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10454] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10453] exit_group(0 [pid 10458] <... clone3 resumed> => {parent_tid=[10462]}, 88) = 10462 [pid 10457] <... futex resumed>) = 0 [pid 10454] <... futex resumed>) = 0 [pid 10453] <... exit_group resumed>) = ? [pid 10458] rt_sigprocmask(SIG_SETMASK, [], [pid 10457] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10454] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10460] +++ exited with 0 +++ [pid 10458] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10459] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10456] +++ exited with 0 +++ [pid 10455] <... futex resumed>) = ? [pid 10459] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10458] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10456, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10458] <... futex resumed>) = 0 [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 10458] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10462 attached [pid 10462] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10462] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10462] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10455] +++ exited with 0 +++ [pid 10459] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10453] +++ exited with 0 +++ [pid 10459] <... futex resumed>) = 1 [pid 10454] <... futex resumed>) = 0 [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10453, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10459] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10454] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10459] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10454] <... futex resumed>) = 0 [pid 10462] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10462] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10459] write(-1, "0x0000000000000001", 18 [pid 10454] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10459] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10459] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10458] <... futex resumed>) = 0 [pid 10459] <... futex resumed>) = 1 [pid 10458] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10454] <... futex resumed>) = 0 [pid 10459] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10458] <... futex resumed>) = 0 [pid 10458] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10462] <... futex resumed>) = 1 [pid 10454] exit_group(0 [pid 10462] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10459] <... futex resumed>) = -1 (errno 18446744073709551359) [pid 10454] <... exit_group resumed>) = ? [pid 10459] +++ exited with 0 +++ [pid 10462] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10462] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10458] <... futex resumed>) = 0 [pid 10458] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10458] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 555] <... restart_syscall resumed>) = 0 [pid 10454] +++ exited with 0 +++ [pid 552] <... restart_syscall resumed>) = 0 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10454, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 10461 attached [pid 10462] <... futex resumed>) = 1 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10461] set_robust_list(0x7f70b115b9a0, 24 [pid 10462] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10463 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10464 attached ./strace-static-x86_64: Process 10463 attached [pid 10462] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10461] <... set_robust_list resumed>) = 0 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10464 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10465 ./strace-static-x86_64: Process 10465 attached [pid 10464] set_robust_list(0x55556dd196a0, 24 [pid 10463] set_robust_list(0x55556dd196a0, 24 [pid 10462] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10461] rt_sigprocmask(SIG_SETMASK, [], [pid 10464] <... set_robust_list resumed>) = 0 [pid 10463] <... set_robust_list resumed>) = 0 [pid 10464] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10463] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10464] <... prctl resumed>) = 0 [pid 10463] <... prctl resumed>) = 0 [pid 10464] setpgid(0, 0 [pid 10463] setpgid(0, 0 [pid 10464] <... setpgid resumed>) = 0 [pid 10463] <... setpgid resumed>) = 0 [pid 10465] set_robust_list(0x55556dd196a0, 24 [pid 10464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10462] <... futex resumed>) = 1 [pid 10461] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10458] <... futex resumed>) = 0 [pid 10464] <... openat resumed>) = 3 [pid 10463] <... openat resumed>) = 3 [pid 10458] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10464] write(3, "1000", 4 [pid 10463] write(3, "1000", 4 [pid 10458] <... futex resumed>) = 0 [pid 10464] <... write resumed>) = 4 [pid 10463] <... write resumed>) = 4 [pid 10458] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10464] close(3 [pid 10463] close(3 [pid 10464] <... close resumed>) = 0 [pid 10463] <... close resumed>) = 0 [pid 10464] write(1, "executing program\n", 18 [pid 10463] write(1, "executing program\n", 18executing program executing program [pid 10464] <... write resumed>) = 18 [pid 10463] <... write resumed>) = 18 [pid 10464] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10463] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10464] <... futex resumed>) = 0 [pid 10463] <... futex resumed>) = 0 [pid 10464] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10463] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10464] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10463] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10464] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10463] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10464] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10463] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10464] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10463] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10464] <... mmap resumed>) = 0x7f70b113b000 [pid 10463] <... mmap resumed>) = 0x7f70b113b000 [pid 10464] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10463] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10464] <... mprotect resumed>) = 0 [pid 10463] <... mprotect resumed>) = 0 [pid 10465] <... set_robust_list resumed>) = 0 [pid 10464] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10463] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10462] write(-1, "0x0000000000000001", 18 [pid 10461] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10464] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10463] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10464] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10463] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10465] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10462] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10461] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10464] <... clone3 resumed> => {parent_tid=[10466]}, 88) = 10466 [pid 10463] <... clone3 resumed> => {parent_tid=[10467]}, 88) = 10467 [pid 10464] rt_sigprocmask(SIG_SETMASK, [], [pid 10463] rt_sigprocmask(SIG_SETMASK, [], [pid 10464] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10463] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10464] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10463] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10464] <... futex resumed>) = 0 [pid 10463] <... futex resumed>) = 0 [pid 10464] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10463] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10466 attached [pid 10466] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10466] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10466] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10466] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10464] <... futex resumed>) = 0 [pid 10464] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10464] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10466] <... futex resumed>) = 1 [pid 10466] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10466] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10464] <... futex resumed>) = 0 [pid 10464] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10464] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10466] <... futex resumed>) = 1 [pid 10466] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10466] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10464] <... futex resumed>) = 0 [pid 10464] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10464] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10466] <... futex resumed>) = 1 [pid 10466] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10466] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10464] <... futex resumed>) = 0 [pid 10464] exit_group(0) = ? [pid 10466] <... futex resumed>) = ? [pid 10462] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10461] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10467 attached [pid 10465] <... prctl resumed>) = 0 [pid 10458] <... futex resumed>) = 0 [pid 10462] <... futex resumed>) = 1 [pid 10461] <... futex resumed>) = 1 [pid 10457] <... futex resumed>) = 0 [pid 10465] setpgid(0, 0 [pid 10462] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10461] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10458] exit_group(0 [pid 10457] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10465] <... setpgid resumed>) = 0 [pid 10462] <... futex resumed>) = ? [pid 10461] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10458] <... exit_group resumed>) = ? [pid 10457] <... futex resumed>) = 0 [pid 10457] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10461] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10466] +++ exited with 0 +++ [pid 10464] +++ exited with 0 +++ [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10464, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10467] set_robust_list(0x7f70b115b9a0, 24 [pid 10462] +++ exited with 0 +++ [pid 10458] +++ exited with 0 +++ [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10458, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10461] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10467] <... set_robust_list resumed>) = 0 [pid 10465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10461] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10467] rt_sigprocmask(SIG_SETMASK, [], [pid 10465] <... openat resumed>) = 3 [pid 10461] <... futex resumed>) = 1 [pid 10457] <... futex resumed>) = 0 [pid 551] <... restart_syscall resumed>) = 0 [pid 10465] write(3, "1000", 4 [pid 10461] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10457] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10467] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10465] <... write resumed>) = 4 [pid 10461] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10457] <... futex resumed>) = 0 [pid 10467] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10465] close(3 [pid 10461] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10457] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10468 attached [pid 10465] <... close resumed>) = 0 [pid 10461] <... openat resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 552] <... restart_syscall resumed>) = 0 [pid 10465] write(1, "executing program\n", 18 [pid 10461] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10468 [pid 10465] <... write resumed>) = 18 [pid 10461] <... futex resumed>) = 1 [pid 10457] <... futex resumed>) = 0 [pid 10465] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10461] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10457] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10465] <... futex resumed>) = 0 [pid 10461] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10457] <... futex resumed>) = 0 [pid 10457] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10467] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10465] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10461] write(-1, "0x0000000000000001", 18 [pid 10467] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10463] <... futex resumed>) = 0 [pid 10463] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10463] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10465] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10461] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10465] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10461] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10469 [pid 10467] <... futex resumed>) = 1 [pid 10465] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10461] <... futex resumed>) = 1 [pid 10457] <... futex resumed>) = 0 [pid 10467] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10465] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10461] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10457] exit_group(0 [pid 10467] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10457] <... exit_group resumed>) = ? [pid 10467] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10465] <... mmap resumed>) = 0x7f70b113b000 [pid 10461] <... futex resumed>) = ? [pid 10465] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10467] <... futex resumed>) = 1 [pid 10463] <... futex resumed>) = 0 [pid 10467] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10463] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10467] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10463] <... futex resumed>) = 0 [pid 10467] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10463] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10467] <... futex resumed>) = 0 [pid 10463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10467] write(-1, "0x0000000000000001", 18 [pid 10463] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10467] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10465] <... mprotect resumed>) = 0 [pid 10463] <... futex resumed>) = 0 [pid 10461] +++ exited with 0 +++ [pid 10457] +++ exited with 0 +++ [pid 10467] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10463] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10457, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10467] <... futex resumed>) = 0 [pid 10465] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10467] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10465] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10463] exit_group(0 [pid 10467] <... futex resumed>) = ? [pid 10465] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10463] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 10470 attached [pid 10468] set_robust_list(0x55556dd196a0, 24 [pid 10467] +++ exited with 0 +++ [pid 10463] +++ exited with 0 +++ [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10463, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 555] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 10469 attached [pid 10469] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10469] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10469] setpgid(0, 0) = 0 [pid 10469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10468] <... set_robust_list resumed>) = 0 [pid 10465] <... clone3 resumed> => {parent_tid=[10470]}, 88) = 10470 [pid 10469] write(3, "1000", 4 [pid 10465] rt_sigprocmask(SIG_SETMASK, [], [pid 10469] <... write resumed>) = 4 [pid 10465] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10469] close(3 [pid 10465] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10469] <... close resumed>) = 0 [pid 10465] <... futex resumed>) = 0 executing program [pid 10469] write(1, "executing program\n", 18 [pid 10465] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10469] <... write resumed>) = 18 [pid 10469] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10469] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10469] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10469] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10469] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10469] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10468] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10469] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10471]}, 88) = 10471 [pid 10469] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10469] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10469] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10468] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 10471 attached [pid 10471] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10471] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10471] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10470] set_robust_list(0x7f70b115b9a0, 24 [pid 10468] setpgid(0, 0 [pid 10471] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10471] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10469] <... futex resumed>) = 0 [pid 10469] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10468] <... setpgid resumed>) = 0 [pid 10469] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10471] <... futex resumed>) = 1 [pid 10471] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10471] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10469] <... futex resumed>) = 0 [pid 10469] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10469] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10468] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10471] <... futex resumed>) = 1 [pid 10471] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10471] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10469] <... futex resumed>) = 0 [pid 10468] <... openat resumed>) = 3 [pid 10469] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10469] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10471] <... futex resumed>) = 1 [pid 10471] write(-1, "0x0000000000000001", 18 [pid 10468] write(3, "1000", 4 [pid 10471] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10471] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10469] <... futex resumed>) = 0 [pid 10469] exit_group(0) = ? [pid 10471] <... futex resumed>) = ? [pid 10470] <... set_robust_list resumed>) = 0 [pid 10468] <... write resumed>) = 4 [pid 10468] close(3 [pid 10470] rt_sigprocmask(SIG_SETMASK, [], [pid 10468] <... close resumed>) = 0 [pid 10470] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 553] <... restart_syscall resumed>) = 0 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 10470] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10468] write(1, "executing program\n", 18) = 18 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10472 [pid 10470] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10468] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 10472 attached [pid 10468] <... futex resumed>) = 0 [pid 10468] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10473 attached [pid 10472] set_robust_list(0x55556dd196a0, 24 [pid 10470] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10468] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10473 [pid 10470] <... futex resumed>) = 1 [pid 10468] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10472] <... set_robust_list resumed>) = 0 [pid 10465] <... futex resumed>) = 0 [pid 10471] +++ exited with 0 +++ [pid 10469] +++ exited with 0 +++ [pid 10473] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10473] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10473] setpgid(0, 0 [pid 10468] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10465] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10470] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10469, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10473] <... setpgid resumed>) = 0 [pid 10465] <... futex resumed>) = 0 [pid 10468] <... mmap resumed>) = 0x7f70b113b000 [pid 10470] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10468] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10465] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10470] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10468] <... mprotect resumed>) = 0 [pid 10473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10465] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10465] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10470] <... futex resumed>) = 0 [pid 10473] <... openat resumed>) = 3 [pid 10473] write(3, "1000", 4) = 4 [pid 10473] close(3 [pid 10468] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10470] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10465] <... futex resumed>) = 0 [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10473] <... close resumed>) = 0 executing program [pid 10473] write(1, "executing program\n", 18) = 18 [pid 10473] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10473] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10473] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10473] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10473] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10473] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10473] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10474]}, 88) = 10474 [pid 10465] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10470] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10473] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10473] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10473] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10474 attached [pid 10470] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10468] <... rt_sigprocmask resumed>[], 8) = 0 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10475 [pid 10474] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10474] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10474] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10470] <... futex resumed>) = 1 [pid 10468] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10465] <... futex resumed>) = 0 [pid 10470] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10474] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10474] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10465] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10470] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10468] <... clone3 resumed> => {parent_tid=[10476]}, 88) = 10476 [pid 10465] <... futex resumed>) = 0 [pid 10470] write(-1, "0x0000000000000001", 18 [pid 10468] rt_sigprocmask(SIG_SETMASK, [], [pid 10465] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10470] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10468] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10470] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10468] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10470] <... futex resumed>) = 1 [pid 10465] <... futex resumed>) = 0 [pid 10473] <... futex resumed>) = 0 [pid 10473] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10468] <... futex resumed>) = 0 [pid 10470] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10465] exit_group(0 [pid 10468] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10470] <... futex resumed>) = ? [pid 10465] <... exit_group resumed>) = ? [pid 10473] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10470] +++ exited with 0 +++ [pid 10474] <... futex resumed>) = 1 [pid 10474] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10474] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10473] <... futex resumed>) = 0 [pid 10473] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10473] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10465] +++ exited with 0 +++ [pid 10474] <... futex resumed>) = 1 [pid 10474] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10465, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10474] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10474] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10473] <... futex resumed>) = 0 [pid 10473] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10473] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10474] <... futex resumed>) = 1 [pid 10474] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10472] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10474] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10473] <... futex resumed>) = 0 [pid 10473] exit_group(0) = ? [pid 10472] <... prctl resumed>) = 0 [pid 10474] <... futex resumed>) = ? [pid 10472] setpgid(0, 0) = 0 [pid 10472] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10474] +++ exited with 0 +++ [pid 10473] +++ exited with 0 +++ [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10473, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 555] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 10475 attached [pid 10475] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10475] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 10476 attached [pid 10476] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10476] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10476] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10475] <... prctl resumed>) = 0 [pid 10475] setpgid(0, 0 [pid 10476] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10476] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10475] <... setpgid resumed>) = 0 [pid 10476] <... futex resumed>) = 1 [pid 10468] <... futex resumed>) = 0 [pid 10476] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10468] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10472] <... openat resumed>) = 3 [pid 10468] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10472] write(3, "1000", 4) = 4 [pid 10476] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10472] close(3 [pid 10475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10476] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10468] <... futex resumed>) = 0 [pid 10472] <... close resumed>) = 0 [pid 10468] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10476] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 executing program [pid 10472] write(1, "executing program\n", 18 [pid 10468] <... futex resumed>) = 0 [pid 10468] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10472] <... write resumed>) = 18 [pid 555] <... restart_syscall resumed>) = 0 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10472] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10477 [pid 10472] <... futex resumed>) = 0 [pid 10472] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 554] <... restart_syscall resumed>) = 0 [pid 10472] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10472] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10472] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10476] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10476] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10475] <... openat resumed>) = 3 [pid 10468] <... futex resumed>) = 0 [pid 10468] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10472] <... mmap resumed>) = 0x7f70b113b000 [pid 10468] <... futex resumed>) = 0 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10478 [pid 10472] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10468] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10472] <... mprotect resumed>) = 0 [pid 10476] <... futex resumed>) = 1 [pid 10476] write(-1, "0x0000000000000001", 18 [pid 10475] write(3, "1000", 4 [pid 10472] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10475] <... write resumed>) = 4 [pid 10472] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10476] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10472] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10476] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10475] close(3 [pid 10472] <... clone3 resumed> => {parent_tid=[10479]}, 88) = 10479 [pid 10472] rt_sigprocmask(SIG_SETMASK, [], [pid 10468] <... futex resumed>) = 0 [pid 10472] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10468] exit_group(0 [pid 10472] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10468] <... exit_group resumed>) = ? [pid 10472] <... futex resumed>) = 0 [pid 10475] <... close resumed>) = 0 [pid 10472] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10476] <... futex resumed>) = ? [pid 10475] write(1, "executing program\n", 18./strace-static-x86_64: Process 10479 attached ./strace-static-x86_64: Process 10477 attached [pid 10476] +++ exited with 0 +++ [pid 10468] +++ exited with 0 +++ executing program [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10468, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10475] <... write resumed>) = 18 [pid 10475] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10475] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10475] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10475] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10475] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10475] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10475] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10480]}, 88) = 10480 [pid 10475] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10475] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10475] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10477] set_robust_list(0x55556dd196a0, 24./strace-static-x86_64: Process 10478 attached [pid 10478] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10479] set_robust_list(0x7f70b115b9a0, 24 [pid 10478] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10477] <... set_robust_list resumed>) = 0 [pid 10478] <... prctl resumed>) = 0 [pid 10478] setpgid(0, 0) = 0 [pid 10478] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10479] <... set_robust_list resumed>) = 0 [pid 10477] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program [pid 10478] <... openat resumed>) = 3 [pid 10478] write(3, "1000", 4) = 4 [pid 10478] close(3) = 0 [pid 10478] write(1, "executing program\n", 18) = 18 [pid 10478] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10478] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10478] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10478] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10478] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10477] <... prctl resumed>) = 0 [pid 10479] rt_sigprocmask(SIG_SETMASK, [], [pid 10478] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10478] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10481]}, 88) = 10481 [pid 10479] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10477] setpgid(0, 0 [pid 10478] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10478] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10478] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10480 attached [pid 10480] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10480] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10480] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10477] <... setpgid resumed>) = 0 [pid 10480] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10479] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10475] <... futex resumed>) = 0 [pid 10479] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10475] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10475] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10480] <... futex resumed>) = 1 [pid 10480] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10479] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10477] <... openat resumed>) = 3 [pid 10480] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10475] <... futex resumed>) = 0 [pid 10475] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10475] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10480] <... futex resumed>) = 1 [pid 10480] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10477] write(3, "1000", 4 [pid 10480] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10480] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10477] <... write resumed>) = 4 [pid 10479] <... futex resumed>) = 1 [pid 10472] <... futex resumed>) = 0 [pid 551] <... restart_syscall resumed>) = 0 [pid 10479] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10477] close(3 [pid 10472] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10479] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10477] <... close resumed>) = 0 [pid 10472] <... futex resumed>) = 0 [pid 10472] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10479] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH executing program [pid 10477] write(1, "executing program\n", 18 [pid 10479] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10477] <... write resumed>) = 18 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10482 [pid 10479] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10477] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10479] <... futex resumed>) = 1 [pid 10477] <... futex resumed>) = 0 [pid 10472] <... futex resumed>) = 0 [pid 10479] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10477] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10472] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10479] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10477] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10472] <... futex resumed>) = 0 [pid 10479] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10472] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10477] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10480] <... futex resumed>) = 1 [pid 10477] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10475] <... futex resumed>) = 0 [pid 10479] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10480] write(-1, "0x0000000000000001", 18 [pid 10479] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10477] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10475] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10480] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10479] <... futex resumed>) = 1 [pid 10477] <... mmap resumed>) = 0x7f70b113b000 [pid 10475] <... futex resumed>) = 0 [pid 10472] <... futex resumed>) = 0 [pid 10480] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10479] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10477] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10475] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10480] <... futex resumed>) = 0 [pid 10475] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10477] <... mprotect resumed>) = 0 [pid 10472] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10480] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10479] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10475] exit_group(0 [pid 10480] <... futex resumed>) = ? [pid 10475] <... exit_group resumed>) = ? [pid 10472] <... futex resumed>) = 0 ./strace-static-x86_64: Process 10482 attached [pid 10480] +++ exited with 0 +++ [pid 10479] write(-1, "0x0000000000000001", 18 [pid 10477] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10475] +++ exited with 0 +++ [pid 10472] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10479] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10477] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10479] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10477] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10479] <... futex resumed>) = 1 [pid 10472] <... futex resumed>) = 0 [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10475, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 10481 attached [pid 10481] set_robust_list(0x7f70b115b9a0, 24 [pid 10479] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10472] exit_group(0 [pid 10477] <... clone3 resumed> => {parent_tid=[10483]}, 88) = 10483 [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10479] <... futex resumed>) = ? [pid 10477] rt_sigprocmask(SIG_SETMASK, [], [pid 10472] <... exit_group resumed>) = ? [pid 10479] +++ exited with 0 +++ [pid 10477] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10481] <... set_robust_list resumed>) = 0 [pid 10481] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10481] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10481] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10478] <... futex resumed>) = 0 [pid 10478] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10478] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10481] <... futex resumed>) = 1 [pid 10472] +++ exited with 0 +++ [pid 552] <... restart_syscall resumed>) = 0 [pid 10477] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10472, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10477] <... futex resumed>) = 0 [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10481] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10477] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10481] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10481] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10478] <... futex resumed>) = 0 [pid 10478] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10478] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10481] <... futex resumed>) = 1 [pid 10481] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10484 [pid 10481] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10481] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10478] <... futex resumed>) = 0 [pid 10478] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10478] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10481] <... futex resumed>) = 1 [pid 10481] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10481] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10478] <... futex resumed>) = 0 [pid 10478] exit_group(0) = ? [pid 10482] set_robust_list(0x55556dd196a0, 24./strace-static-x86_64: Process 10484 attached [pid 10481] <... futex resumed>) = ? [pid 10484] set_robust_list(0x55556dd196a0, 24 [pid 10482] <... set_robust_list resumed>) = 0 [pid 10481] +++ exited with 0 +++ [pid 10478] +++ exited with 0 +++ ./strace-static-x86_64: Process 10483 attached [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10478, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10483] set_robust_list(0x7f70b115b9a0, 24 [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10483] <... set_robust_list resumed>) = 0 [pid 10483] rt_sigprocmask(SIG_SETMASK, [], [pid 10482] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10483] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10483] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10483] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10477] <... futex resumed>) = 0 [pid 10477] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10477] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10483] <... futex resumed>) = 1 [pid 10483] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10484] <... set_robust_list resumed>) = 0 [pid 10482] <... prctl resumed>) = 0 [pid 10483] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10477] <... futex resumed>) = 0 [pid 10477] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10477] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10483] <... futex resumed>) = 1 [pid 10483] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10483] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10482] setpgid(0, 0 [pid 10477] <... futex resumed>) = 0 [pid 10477] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10477] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10483] <... futex resumed>) = 1 [pid 10483] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10483] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10477] <... futex resumed>) = 0 [pid 10477] exit_group(0) = ? [pid 553] <... restart_syscall resumed>) = 0 [pid 10482] <... setpgid resumed>) = 0 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10482] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10485 [pid 10483] <... futex resumed>) = ? [pid 10484] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10483] +++ exited with 0 +++ [pid 10482] <... openat resumed>) = 3 [pid 10477] +++ exited with 0 +++ [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10477, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10482] write(3, "1000", 4 [pid 555] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 10485 attached [pid 10482] <... write resumed>) = 4 [pid 10485] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10485] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10485] setpgid(0, 0 [pid 10484] <... prctl resumed>) = 0 [pid 10482] close(3 [pid 10485] <... setpgid resumed>) = 0 executing program [pid 10482] <... close resumed>) = 0 [pid 10482] write(1, "executing program\n", 18) = 18 [pid 555] <... restart_syscall resumed>) = 0 [pid 10482] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10485] write(3, "1000", 4) = 4 [pid 10482] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10486 [pid 10482] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 executing program [pid 10485] close(3 [pid 10482] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10485] <... close resumed>) = 0 [pid 554] <... restart_syscall resumed>) = 0 [pid 10482] <... mmap resumed>) = 0x7f70b113b000 [pid 10482] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10485] write(1, "executing program\n", 18 [pid 10482] <... mprotect resumed>) = 0 [pid 10485] <... write resumed>) = 18 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10485] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10485] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10485] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10485] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10485] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10487 [pid 10482] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10485] <... mprotect resumed>) = 0 [pid 10482] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10485] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10482] <... clone3 resumed> => {parent_tid=[10488]}, 88) = 10488 [pid 10485] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10482] rt_sigprocmask(SIG_SETMASK, [], [pid 10484] setpgid(0, 0 [pid 10482] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10485] <... clone3 resumed> => {parent_tid=[10489]}, 88) = 10489 [pid 10485] rt_sigprocmask(SIG_SETMASK, [], [pid 10482] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10484] <... setpgid resumed>) = 0 [pid 10482] <... futex resumed>) = 0 [pid 10485] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10482] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10485] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10485] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10484] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 10486 attached [pid 10486] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10486] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10486] setpgid(0, 0./strace-static-x86_64: Process 10487 attached [pid 10484] <... openat resumed>) = 3 [pid 10486] <... setpgid resumed>) = 0 [pid 10486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10484] write(3, "1000", 4./strace-static-x86_64: Process 10488 attached [pid 10487] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10484] <... write resumed>) = 4 [pid 10488] set_robust_list(0x7f70b115b9a0, 24 [pid 10484] close(3) = 0 ./strace-static-x86_64: Process 10489 attached executing program [pid 10489] set_robust_list(0x7f70b115b9a0, 24 [pid 10484] write(1, "executing program\n", 18 [pid 10489] <... set_robust_list resumed>) = 0 [pid 10484] <... write resumed>) = 18 [pid 10489] rt_sigprocmask(SIG_SETMASK, [], [pid 10486] <... openat resumed>) = 3 [pid 10489] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10489] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10488] <... set_robust_list resumed>) = 0 [pid 10484] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10487] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10487] setpgid(0, 0 [pid 10486] write(3, "1000", 4 [pid 10489] <... bpf resumed>, buf="cgroup", 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 10486] <... write resumed>) = 4 [pid 10487] <... setpgid resumed>) = 0 [pid 10489] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10486] close(3 [pid 10488] rt_sigprocmask(SIG_SETMASK, [], [pid 10487] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10484] <... futex resumed>) = 0 [pid 10485] <... futex resumed>) = 0 [pid 10485] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10485] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10486] <... close resumed>) = 0 [pid 10484] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10489] <... futex resumed>) = 1 [pid 10489] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10486] write(1, "executing program\n", 18) = 18 [pid 10486] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10489] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10485] <... futex resumed>) = 0 [pid 10485] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10485] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10489] <... futex resumed>) = 1 [pid 10486] <... futex resumed>) = 0 [pid 10489] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10484] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10487] <... openat resumed>) = 3 [pid 10486] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10488] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10484] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10486] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10484] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10488] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10484] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10489] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10488] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10484] <... mmap resumed>) = 0x7f70b113b000 [pid 10488] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10486] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10484] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10486] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10484] <... mprotect resumed>) = 0 [pid 10486] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10489] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10486] <... mmap resumed>) = 0x7f70b113b000 [pid 10485] <... futex resumed>) = 0 [pid 10484] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10488] <... futex resumed>) = 1 [pid 10484] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10482] <... futex resumed>) = 0 [pid 10488] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10484] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10482] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10485] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10482] <... futex resumed>) = 0 [pid 10485] <... futex resumed>) = 0 [pid 10482] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10488] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10485] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10489] <... futex resumed>) = 1 [pid 10487] write(3, "1000", 4 [pid 10486] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10484] <... clone3 resumed> => {parent_tid=[10490]}, 88) = 10490 [pid 10488] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10489] write(-1, "0x0000000000000001", 18 [pid 10484] rt_sigprocmask(SIG_SETMASK, [], [pid 10489] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10487] <... write resumed>) = 4 [pid 10486] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 10490 attached [pid 10489] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10488] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10487] close(3 [pid 10486] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10484] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10489] <... futex resumed>) = 1 [pid 10488] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10487] <... close resumed>) = 0 [pid 10486] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10485] <... futex resumed>) = 0 [pid 10484] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10490] set_robust_list(0x7f70b115b9a0, 24 [pid 10489] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10488] <... futex resumed>) = 1 [pid 10487] write(1, "executing program\n", 18 [pid 10486] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0}executing program [pid 10485] exit_group(0 [pid 10484] <... futex resumed>) = 0 [pid 10482] <... futex resumed>) = 0 [pid 10489] <... futex resumed>) = ? [pid 10487] <... write resumed>) = 18 [pid 10485] <... exit_group resumed>) = ? [pid 10484] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10488] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10482] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10490] <... set_robust_list resumed>) = 0 [pid 10489] +++ exited with 0 +++ [pid 10487] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10486] <... clone3 resumed> => {parent_tid=[10491]}, 88) = 10491 [pid 10485] +++ exited with 0 +++ [pid 10488] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10482] <... futex resumed>) = 0 [pid 10488] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10487] <... futex resumed>) = 0 [pid 10486] rt_sigprocmask(SIG_SETMASK, [], [pid 10482] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10485, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10488] <... futex resumed>) = 0 [pid 10487] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10486] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10482] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10487] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10488] write(-1, "0x0000000000000001", 18 [pid 10486] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10482] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10488] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10487] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10486] <... futex resumed>) = 0 [pid 10482] <... futex resumed>) = 0 [pid 10488] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10487] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10486] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10488] <... futex resumed>) = 0 [pid 10487] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10482] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10488] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10487] <... mmap resumed>) = 0x7f70b113b000 [pid 10482] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10487] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10487] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10482] exit_group(0 [pid 10487] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10482] <... exit_group resumed>) = ? [pid 10488] <... futex resumed>) = ? [pid 10487] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10492]}, 88) = 10492 [pid 10487] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10487] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10487] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10491 attached [pid 10491] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10491] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10491] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10488] +++ exited with 0 +++ [pid 10482] +++ exited with 0 +++ [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10482, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10491] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10486] <... futex resumed>) = 0 [pid 10486] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10486] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10491] <... futex resumed>) = 1 [pid 10490] rt_sigprocmask(SIG_SETMASK, [], [pid 10491] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10490] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10491] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10486] <... futex resumed>) = 0 [pid 10486] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10486] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10491] <... futex resumed>) = 1 [pid 10491] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10491] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10490] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10486] <... futex resumed>) = 0 [pid 10486] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10490] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10486] <... futex resumed>) = 0 [pid 10486] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10491] <... futex resumed>) = 1 [pid 10491] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10491] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10486] <... futex resumed>) = 0 [pid 10486] exit_group(0) = ? [pid 10491] <... futex resumed>) = ? [pid 10491] +++ exited with 0 +++ [pid 10490] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10486] +++ exited with 0 +++ ./strace-static-x86_64: Process 10492 attached [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10486, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10484] <... futex resumed>) = 0 [pid 10490] <... futex resumed>) = 1 [pid 10484] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 10484] <... futex resumed>) = 0 [pid 10490] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10484] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10492] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10490] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10492] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10492] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10492] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10487] <... futex resumed>) = 0 [pid 10487] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10487] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10492] <... futex resumed>) = 1 [pid 10492] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10492] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10487] <... futex resumed>) = 0 [pid 10487] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10487] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10492] <... futex resumed>) = 1 [pid 10492] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10492] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10487] <... futex resumed>) = 0 [pid 10487] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10487] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10492] <... futex resumed>) = 1 [pid 10492] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10492] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10487] <... futex resumed>) = 0 [pid 10492] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10487] exit_group(0 [pid 10492] <... futex resumed>) = ? [pid 10487] <... exit_group resumed>) = ? [pid 10492] +++ exited with 0 +++ [pid 10490] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10487] +++ exited with 0 +++ [pid 10490] <... futex resumed>) = 1 [pid 10484] <... futex resumed>) = 0 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10487, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10490] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10484] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10490] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10484] <... futex resumed>) = 0 [pid 10490] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10484] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10490] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10490] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] <... restart_syscall resumed>) = 0 [pid 10490] <... futex resumed>) = 1 [pid 10484] <... futex resumed>) = 0 [pid 10490] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 10484] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10490] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10490] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10484] <... futex resumed>) = 0 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10490] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10484] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 10484] exit_group(0./strace-static-x86_64: Process 10493 attached [pid 10490] <... futex resumed>) = ? [pid 10484] <... exit_group resumed>) = ? [pid 10490] +++ exited with 0 +++ [pid 10484] +++ exited with 0 +++ [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10493 [pid 10493] set_robust_list(0x55556dd196a0, 24 [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10484, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 551] <... restart_syscall resumed>) = 0 [pid 10493] <... set_robust_list resumed>) = 0 [pid 555] <... restart_syscall resumed>) = 0 [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10493] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10494 [pid 554] <... restart_syscall resumed>) = 0 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10493] setpgid(0, 0 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10496 [pid 10493] <... setpgid resumed>) = 0 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10495 ./strace-static-x86_64: Process 10494 attached [pid 10494] set_robust_list(0x55556dd196a0, 24 [pid 10493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10494] <... set_robust_list resumed>) = 0 [pid 10494] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10494] setpgid(0, 0) = 0 [pid 10494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10493] <... openat resumed>) = 3 [pid 10494] <... openat resumed>) = 3 [pid 10494] write(3, "1000", 4) = 4 [pid 10494] close(3) = 0 [pid 10494] write(1, "executing program\n", 18executing program ) = 18 [pid 10494] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10494] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10494] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10494] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 552] <... restart_syscall resumed>) = 0 [pid 10493] write(3, "1000", 4 [pid 10494] <... mmap resumed>) = 0x7f70b113b000 [pid 10493] <... write resumed>) = 4 [pid 10494] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10493] close(3 [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program executing program [pid 10494] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 10496 attached ./strace-static-x86_64: Process 10495 attached [pid 10494] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 10497 attached [pid 10493] <... close resumed>) = 0 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10497 [pid 10494] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10494] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10493] write(1, "executing program\n", 18 [pid 10497] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10493] <... write resumed>) = 18 [pid 10493] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10497] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10493] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10497] <... prctl resumed>) = 0 [pid 10493] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10497] setpgid(0, 0 [pid 10493] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10497] <... setpgid resumed>) = 0 [pid 10493] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10493] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10493] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10493] <... mprotect resumed>) = 0 [pid 10494] <... clone3 resumed> => {parent_tid=[10498]}, 88) = 10498 [pid 10493] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10494] rt_sigprocmask(SIG_SETMASK, [], [pid 10493] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 10498 attached [pid 10497] <... openat resumed>) = 3 [pid 10494] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10493] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10498] set_robust_list(0x7f70b115b9a0, 24 [pid 10497] write(3, "1000", 4 [pid 10494] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10497] <... write resumed>) = 4 [pid 10493] <... clone3 resumed> => {parent_tid=[10499]}, 88) = 10499 [pid 10498] <... set_robust_list resumed>) = 0 [pid 10497] close(3 [pid 10494] <... futex resumed>) = 0 [pid 10493] rt_sigprocmask(SIG_SETMASK, [], [pid 10498] rt_sigprocmask(SIG_SETMASK, [], [pid 10497] <... close resumed>) = 0 [pid 10494] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10493] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10498] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10497] write(1, "executing program\n", 18 [pid 10493] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10497] <... write resumed>) = 18 [pid 10493] <... futex resumed>) = 0 [pid 10498] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10497] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10493] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10498] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10497] <... futex resumed>) = 0 [pid 10498] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10497] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10498] <... futex resumed>) = 1 [pid 10494] <... futex resumed>) = 0 [pid 10497] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10498] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10494] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10497] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10498] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10494] <... futex resumed>) = 0 [pid 10497] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10498] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10494] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10497] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10498] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10497] <... mmap resumed>) = 0x7f70b113b000 [pid 10498] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10497] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10498] <... futex resumed>) = 1 [pid 10494] <... futex resumed>) = 0 [pid 10498] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10497] <... mprotect resumed>) = 0 [pid 10494] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10498] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10498] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10497] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10494] <... futex resumed>) = 0 [pid 10495] set_robust_list(0x55556dd196a0, 24 [pid 10496] set_robust_list(0x55556dd196a0, 24 [pid 10495] <... set_robust_list resumed>) = 0 [pid 10496] <... set_robust_list resumed>) = 0 [pid 10495] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10496] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10495] <... prctl resumed>) = 0 [pid 10495] setpgid(0, 0 [pid 10497] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10494] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10497] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10496] <... prctl resumed>) = 0 [pid 10495] <... setpgid resumed>) = 0 [pid 10496] setpgid(0, 0 [pid 10497] <... clone3 resumed> => {parent_tid=[10500]}, 88) = 10500 [pid 10497] rt_sigprocmask(SIG_SETMASK, [], [pid 10495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10498] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10497] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10496] <... setpgid resumed>) = 0 [pid 10498] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10497] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10496] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10498] <... futex resumed>) = 1 [pid 10497] <... futex resumed>) = 0 [pid 10494] <... futex resumed>) = 0 [pid 10498] write(-1, "0x0000000000000001", 18 [pid 10497] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10495] <... openat resumed>) = 3 [pid 10494] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10498] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10494] <... futex resumed>) = 0 [pid 10498] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10496] <... openat resumed>) = 3 [pid 10494] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10495] write(3, "1000", 4 [pid 10498] <... futex resumed>) = 0 [pid 10494] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10498] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10495] <... write resumed>) = 4 [pid 10494] exit_group(0 executing program executing program [pid 10498] <... futex resumed>) = 231 [pid 10496] write(3, "1000", 4 [pid 10494] <... exit_group resumed>) = ? [pid 10496] <... write resumed>) = 4 [pid 10495] close(3) = 0 [pid 10496] close(3) = 0 [pid 10495] write(1, "executing program\n", 18 [pid 10496] write(1, "executing program\n", 18 [pid 10495] <... write resumed>) = 18 [pid 10496] <... write resumed>) = 18 [pid 10495] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10496] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10495] <... futex resumed>) = 0 [pid 10496] <... futex resumed>) = 0 [pid 10495] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10498] +++ exited with 0 +++ [pid 10494] +++ exited with 0 +++ [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10494, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10496] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10495] <... rt_sigaction resumed>NULL, 8) = 0 [pid 551] <... restart_syscall resumed>) = 0 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556dd19690) = 10501 ./strace-static-x86_64: Process 10501 attached [pid 10495] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10501] set_robust_list(0x55556dd196a0, 24 [pid 10496] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10495] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10496] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10495] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10501] <... set_robust_list resumed>) = 0 [pid 10496] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10495] <... mmap resumed>) = 0x7f70b113b000 [pid 10496] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10495] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10496] <... mmap resumed>) = 0x7f70b113b000 [pid 10495] <... mprotect resumed>) = 0 [pid 10496] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10495] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10501] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10496] <... mprotect resumed>) = 0 [pid 10495] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10501] <... prctl resumed>) = 0 [pid 10496] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10495] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10496] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10496] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10495] <... clone3 resumed> => {parent_tid=[10502]}, 88) = 10502 [pid 10495] rt_sigprocmask(SIG_SETMASK, [], [pid 10501] setpgid(0, 0 [pid 10496] <... clone3 resumed> => {parent_tid=[10503]}, 88) = 10503 [pid 10495] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10496] rt_sigprocmask(SIG_SETMASK, [], [pid 10495] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10496] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10495] <... futex resumed>) = 0 [pid 10496] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10495] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10496] <... futex resumed>) = 0 [pid 10496] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10499 attached [pid 10499] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10501] <... setpgid resumed>) = 0 [pid 10499] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10499] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10499] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10493] <... futex resumed>) = 0 [pid 10499] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 10500 attached [pid 10500] set_robust_list(0x7f70b115b9a0, 24 [pid 10493] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10501] <... openat resumed>) = 3 [pid 10493] <... futex resumed>) = 1 [pid 10499] <... futex resumed>) = 0 [pid 10501] write(3, "1000", 4 [pid 10493] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10501] <... write resumed>) = 4 [pid 10499] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10501] close(3 [pid 10499] <... openat resumed>) = -1 ENOENT (No such file or directory) ./strace-static-x86_64: Process 10502 attached [pid 10501] <... close resumed>) = 0 [pid 10500] <... set_robust_list resumed>) = 0 [pid 10499] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10501] write(1, "executing program\n", 18 [pid 10500] rt_sigprocmask(SIG_SETMASK, [], executing program [pid 10499] <... futex resumed>) = 1 [pid 10493] <... futex resumed>) = 0 [pid 10500] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10499] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10493] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10501] <... write resumed>) = 18 [pid 10493] <... futex resumed>) = 0 [pid 10501] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10500] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10499] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10493] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10501] <... futex resumed>) = 0 [pid 10500] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10499] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10500] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10499] <... openat resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 10503 attached [pid 10501] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10500] <... futex resumed>) = 1 [pid 10499] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10497] <... futex resumed>) = 0 [pid 10503] set_robust_list(0x7f70b115b9a0, 24 [pid 10500] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10499] <... futex resumed>) = 1 [pid 10501] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10497] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10493] <... futex resumed>) = 0 [pid 10497] <... futex resumed>) = 0 [pid 10493] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10501] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10497] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10493] <... futex resumed>) = 0 [pid 10501] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10493] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10501] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10503] <... set_robust_list resumed>) = 0 [pid 10500] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10499] write(-1, "0x0000000000000001", 18 [pid 10503] rt_sigprocmask(SIG_SETMASK, [], [pid 10500] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10499] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10503] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10500] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10499] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10503] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10501] <... mmap resumed>) = 0x7f70b113b000 [pid 10500] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10499] <... futex resumed>) = 1 [pid 10493] <... futex resumed>) = 0 [pid 10503] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10502] set_robust_list(0x7f70b115b9a0, 24 [pid 10500] <... futex resumed>) = 1 [pid 10499] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10497] <... futex resumed>) = 0 [pid 10503] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10501] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10500] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10497] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10493] exit_group(0 [pid 10497] <... futex resumed>) = 0 [pid 10503] <... futex resumed>) = 1 [pid 10501] <... mprotect resumed>) = 0 [pid 10500] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10499] <... futex resumed>) = ? [pid 10497] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10496] <... futex resumed>) = 0 [pid 10493] <... exit_group resumed>) = ? [pid 10503] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10500] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10499] +++ exited with 0 +++ [pid 10496] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10503] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10500] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10496] <... futex resumed>) = 0 [pid 10503] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10500] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10496] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10503] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10500] <... futex resumed>) = 1 [pid 10503] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10500] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10503] <... futex resumed>) = 1 [pid 10497] <... futex resumed>) = 0 [pid 10496] <... futex resumed>) = 0 [pid 10493] +++ exited with 0 +++ [pid 10503] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10497] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10501] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10496] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10502] <... set_robust_list resumed>) = 0 [pid 10503] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10501] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10500] <... futex resumed>) = 0 [pid 10497] <... futex resumed>) = 1 [pid 10496] <... futex resumed>) = 0 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10493, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10503] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10502] rt_sigprocmask(SIG_SETMASK, [], [pid 10501] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10500] write(-1, "0x0000000000000001", 18 [pid 10497] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10496] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10503] <... futex resumed>) = 0 [pid 10502] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10500] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10496] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10503] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10502] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10501] <... clone3 resumed> => {parent_tid=[10504]}, 88) = 10504 [pid 10500] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10496] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10503] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10500] <... futex resumed>) = 1 [pid 10496] <... futex resumed>) = 0 [pid 10503] write(-1, "0x0000000000000001", 18 [pid 10502] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10501] rt_sigprocmask(SIG_SETMASK, [], [pid 10500] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10497] <... futex resumed>) = 0 [pid 10496] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 553] <... restart_syscall resumed>) = 0 [pid 10503] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10502] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10501] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10497] exit_group(0 [pid 10503] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10501] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10502] <... futex resumed>) = 1 [pid 10500] <... futex resumed>) = ? [pid 10497] <... exit_group resumed>) = ? [pid 10495] <... futex resumed>) = 0 [pid 10503] <... futex resumed>) = 1 [pid 10502] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10501] <... futex resumed>) = 0 [pid 10500] +++ exited with 0 +++ [pid 10496] <... futex resumed>) = 0 [pid 10495] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10503] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10496] exit_group(0 [pid 10495] <... futex resumed>) = 0 [pid 10503] <... futex resumed>) = ? [pid 10496] <... exit_group resumed>) = ? [pid 10495] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10503] +++ exited with 0 +++ [pid 10502] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10501] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10497] +++ exited with 0 +++ [pid 10496] +++ exited with 0 +++ [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10502] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10496, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 10504 attached [pid 10504] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10504] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10497, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10505 [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10504] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10502] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10504] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10504] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10504] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10502] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10501] <... futex resumed>) = 0 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10506 [pid 10501] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10495] <... futex resumed>) = 0 [pid 10495] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10501] <... futex resumed>) = 0 [pid 10502] <... futex resumed>) = 1 [pid 10501] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10495] <... futex resumed>) = 0 [pid 10502] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10495] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10504] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10504] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10504] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10504] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 552] <... restart_syscall resumed>) = 0 [pid 10502] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10501] <... futex resumed>) = 0 [pid 10501] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10505 attached [pid 10504] <... futex resumed>) = 0 [pid 10501] <... futex resumed>) = 1 [pid 10502] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10501] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10504] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10504] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10504] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10505] set_robust_list(0x55556dd196a0, 24 [pid 10501] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10502] <... futex resumed>) = 1 [pid 10495] <... futex resumed>) = 0 [pid 10501] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10495] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10507 [pid 10501] <... futex resumed>) = 1 [pid 10495] <... futex resumed>) = 0 [pid 10501] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10495] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10504] <... futex resumed>) = 0 [pid 10504] write(-1, "0x0000000000000001", 18 [pid 10502] write(-1, "0x0000000000000001", 18 [pid 10504] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10504] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10502] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10501] <... futex resumed>) = 0 [pid 10504] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10505] <... set_robust_list resumed>) = 0 [pid 10501] exit_group(0 [pid 10502] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10501] <... exit_group resumed>) = ? [pid 10504] <... futex resumed>) = ? [pid 10502] <... futex resumed>) = 1 [pid 10495] <... futex resumed>) = 0 [pid 10495] exit_group(0) = ? executing program ./strace-static-x86_64: Process 10506 attached [pid 10504] +++ exited with 0 +++ [pid 10501] +++ exited with 0 +++ [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10501, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10505] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10505] setpgid(0, 0) = 0 [pid 10505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10502] +++ exited with 0 +++ [pid 10495] +++ exited with 0 +++ [pid 10506] set_robust_list(0x55556dd196a0, 24 [pid 10505] <... openat resumed>) = 3 [pid 10505] write(3, "1000", 4 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10495, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10505] <... write resumed>) = 4 [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 10505] close(3) = 0 [pid 10505] write(1, "executing program\n", 18) = 18 [pid 10505] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10505] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10505] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10505] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10505] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10506] <... set_robust_list resumed>) = 0 [pid 10505] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10506] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10505] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0}./strace-static-x86_64: Process 10508 attached [pid 10506] <... prctl resumed>) = 0 [pid 10505] <... clone3 resumed> => {parent_tid=[10508]}, 88) = 10508 [pid 10505] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10505] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10505] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10507 attached [pid 10506] setpgid(0, 0 [pid 10507] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10507] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10506] <... setpgid resumed>) = 0 [pid 10508] set_robust_list(0x7f70b115b9a0, 24 [pid 10507] <... prctl resumed>) = 0 [pid 10507] setpgid(0, 0) = 0 [pid 10507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10508] <... set_robust_list resumed>) = 0 [pid 10507] <... openat resumed>) = 3 [pid 10507] write(3, "1000", 4 [pid 10506] <... openat resumed>) = 3 [pid 10507] <... write resumed>) = 4 executing program [pid 10507] close(3) = 0 [pid 10507] write(1, "executing program\n", 18) = 18 [pid 10507] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10507] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10507] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10507] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10507] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10507] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10508] rt_sigprocmask(SIG_SETMASK, [], [pid 10506] write(3, "1000", 4 [pid 10507] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10506] <... write resumed>) = 4 [pid 10507] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0}executing program [pid 10506] close(3) = 0 [pid 10507] <... clone3 resumed> => {parent_tid=[10509]}, 88) = 10509 [pid 10506] write(1, "executing program\n", 18 [pid 10507] rt_sigprocmask(SIG_SETMASK, [], [pid 10506] <... write resumed>) = 18 [pid 10507] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10506] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10507] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10506] <... futex resumed>) = 0 [pid 10507] <... futex resumed>) = 0 [pid 10506] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10507] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10506] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10506] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 551] <... restart_syscall resumed>) = 0 [pid 10506] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10506] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10508] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10506] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 555] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 10510 attached [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10510 ./strace-static-x86_64: Process 10509 attached [pid 10509] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10509] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10506] <... mprotect resumed>) = 0 [pid 10509] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10506] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10506] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10509] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10509] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10507] <... futex resumed>) = 0 [pid 10507] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10507] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10511 [pid 10506] <... clone3 resumed> => {parent_tid=[10512]}, 88) = 10512 [pid 10506] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10509] <... futex resumed>) = 1 [pid 10506] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10509] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10506] <... futex resumed>) = 0 [pid 10509] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10509] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10506] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10507] <... futex resumed>) = 0 [pid 10507] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10507] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10509] <... futex resumed>) = 1 [pid 10509] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10509] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10507] <... futex resumed>) = 0 [pid 10507] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10508] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10507] <... futex resumed>) = 0 [pid 10507] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10509] <... futex resumed>) = 1 [pid 10509] write(-1, "0x0000000000000001", 18 [pid 10508] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) ./strace-static-x86_64: Process 10512 attached [pid 10510] set_robust_list(0x55556dd196a0, 24 [pid 10509] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10509] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10507] <... futex resumed>) = 0 [pid 10507] exit_group(0) = ? [pid 10510] <... set_robust_list resumed>) = 0 [pid 10509] <... futex resumed>) = ? [pid 10508] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10512] set_robust_list(0x7f70b115b9a0, 24 [pid 10508] <... futex resumed>) = 1 [pid 10505] <... futex resumed>) = 0 [pid 10505] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10505] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10508] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10509] +++ exited with 0 +++ [pid 10507] +++ exited with 0 +++ [pid 10508] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10507, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10508] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10511 attached [pid 10511] set_robust_list(0x55556dd196a0, 24 [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10508] <... futex resumed>) = 1 [pid 10505] <... futex resumed>) = 0 [pid 10505] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10505] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10511] <... set_robust_list resumed>) = 0 [pid 10511] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10510] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10508] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10511] <... prctl resumed>) = 0 [pid 10511] setpgid(0, 0) = 0 [pid 10508] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10511] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10510] <... prctl resumed>) = 0 [pid 10508] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10512] <... set_robust_list resumed>) = 0 [pid 10508] <... futex resumed>) = 1 [pid 10505] <... futex resumed>) = 0 [pid 10505] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10505] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10508] write(-1, "0x0000000000000001", 18 [pid 10510] setpgid(0, 0 [pid 10511] <... openat resumed>) = 3 [pid 10511] write(3, "1000", 4) = 4 [pid 10511] close(3) = 0 [pid 10511] write(1, "executing program\n", 18executing program ) = 18 [pid 10511] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10511] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10511] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10511] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10511] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10511] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10511] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10513]}, 88) = 10513 [pid 10511] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10511] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10511] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10513 attached [pid 10513] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10513] rt_sigprocmask(SIG_SETMASK, [], [pid 10508] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10510] <... setpgid resumed>) = 0 [pid 10508] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10513] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10508] <... futex resumed>) = 1 [pid 10505] <... futex resumed>) = 0 [pid 10508] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10505] exit_group(0) = ? [pid 10510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10508] <... futex resumed>) = ? [pid 10512] rt_sigprocmask(SIG_SETMASK, [], [pid 10510] <... openat resumed>) = 3 [pid 10508] +++ exited with 0 +++ [pid 10505] +++ exited with 0 +++ [pid 10510] write(3, "1000", 4 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10505, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10510] <... write resumed>) = 4 [pid 10513] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10513] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10511] <... futex resumed>) = 0 [pid 10511] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10511] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10513] <... futex resumed>) = 1 [pid 10513] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10513] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10511] <... futex resumed>) = 0 [pid 10511] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10511] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10513] <... futex resumed>) = 1 [pid 10513] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10512] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10510] close(3 [pid 10513] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10513] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10511] <... futex resumed>) = 0 [pid 10511] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10511] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10510] <... close resumed>) = 0 [pid 10513] <... futex resumed>) = 1 [pid 10512] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10513] write(-1, "0x0000000000000001", 18 [pid 10510] write(1, "executing program\n", 18 [pid 10513] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10513] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10511] <... futex resumed>) = 0 executing program [pid 10511] exit_group(0) = ? [pid 553] <... restart_syscall resumed>) = 0 [pid 10512] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10510] <... write resumed>) = 18 [pid 10512] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10510] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10510] <... futex resumed>) = 0 [pid 10513] <... futex resumed>) = ? [pid 10506] <... futex resumed>) = 0 [pid 10512] <... futex resumed>) = 1 [pid 10510] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10506] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10514 [pid 10512] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10510] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10506] <... futex resumed>) = 0 [pid 10506] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10510] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10512] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 552] <... restart_syscall resumed>) = 0 [pid 10510] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10512] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10510] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10506] <... futex resumed>) = 0 [pid 10512] <... futex resumed>) = 1 [pid 10510] <... mmap resumed>) = 0x7f70b113b000 [pid 10506] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10506] <... futex resumed>) = 0 [pid 10513] +++ exited with 0 +++ [pid 10511] +++ exited with 0 +++ ./strace-static-x86_64: Process 10514 attached [pid 10506] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10515 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10511, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10510] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10512] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 10510] <... mprotect resumed>) = 0 [pid 10512] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10514] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10512] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10510] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10514] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10514] setpgid(0, 0) = 0 [pid 10514] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10510] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10512] <... futex resumed>) = 1 [pid 10506] <... futex resumed>) = 0 [pid 10510] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10506] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10506] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10514] <... openat resumed>) = 3 [pid 10514] write(3, "1000", 4 [pid 10512] write(-1, "0x0000000000000001", 18 [pid 10510] <... clone3 resumed> => {parent_tid=[10516]}, 88) = 10516 [pid 10510] rt_sigprocmask(SIG_SETMASK, [], [pid 10512] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10510] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10514] <... write resumed>) = 4 [pid 10512] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10510] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10514] close(3 [pid 10510] <... futex resumed>) = 0 [pid 10512] <... futex resumed>) = 1 [pid 10506] <... futex resumed>) = 0 [pid 10510] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10512] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULLexecuting program [pid 10506] exit_group(0) = ? [pid 10512] <... futex resumed>) = 231 [pid 10514] <... close resumed>) = 0 [pid 10514] write(1, "executing program\n", 18) = 18 [pid 10514] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10514] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10514] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10514] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10514] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10512] +++ exited with 0 +++ [pid 10506] +++ exited with 0 +++ [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10506, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10514] <... mprotect resumed>) = 0 [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10514] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10514] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0}./strace-static-x86_64: Process 10517 attached => {parent_tid=[10517]}, 88) = 10517 [pid 10514] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10514] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10514] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10517] set_robust_list(0x7f70b115b9a0, 24./strace-static-x86_64: Process 10515 attached [pid 10515] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10517] <... set_robust_list resumed>) = 0 [pid 10515] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10515] setpgid(0, 0) = 0 [pid 10517] rt_sigprocmask(SIG_SETMASK, [], [pid 10515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10517] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 10515] write(3, "1000", 4) = 4 [pid 10515] close(3) = 0 [pid 10515] write(1, "executing program\n", 18) = 18 [pid 10515] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10517] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10515] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10515] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10515] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10515] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10515] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10515] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10518]}, 88) = 10518 [pid 10517] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10515] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10515] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10515] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10516 attached [pid 10516] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10516] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10516] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10516] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10510] <... futex resumed>) = 0 [pid 10516] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10510] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10510] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10516] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10516] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10517] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10516] <... futex resumed>) = 1 [pid 10510] <... futex resumed>) = 0 [pid 10516] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10510] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10516] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10510] <... futex resumed>) = 0 [pid 10516] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10510] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10516] <... futex resumed>) = 0 [pid 10510] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10510] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10510] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10516] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10516] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10510] <... futex resumed>) = 0 [pid 10516] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10510] exit_group(0) = ? [pid 554] <... restart_syscall resumed>) = 0 [pid 10516] <... futex resumed>) = ? [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556dd19690) = 10519 [pid 555] <... restart_syscall resumed>) = 0 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10516] +++ exited with 0 +++ [pid 10510] +++ exited with 0 +++ [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10510, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 551] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 10518 attached [pid 10518] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10518] rt_sigprocmask(SIG_SETMASK, [], [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10520 [pid 10517] <... futex resumed>) = 1 [pid 10514] <... futex resumed>) = 0 [pid 10517] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10514] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10514] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10518] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10518] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10518] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10517] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10517] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10515] <... futex resumed>) = 0 [pid 10517] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10515] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10515] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10518] <... futex resumed>) = 1 [pid 10518] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10517] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10518] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10515] <... futex resumed>) = 0 [pid 10515] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10515] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10518] <... futex resumed>) = 1 [pid 10518] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10517] <... futex resumed>) = 1 [pid 10514] <... futex resumed>) = 0 [pid 10514] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10514] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10518] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10518] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10515] <... futex resumed>) = 0 [pid 10515] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10515] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10518] <... futex resumed>) = 1 [pid 10518] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10518] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10515] <... futex resumed>) = 0 [pid 10515] exit_group(0) = ? [pid 10518] <... futex resumed>) = ? [pid 10517] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000./strace-static-x86_64: Process 10519 attached ) = -1 EBADF (Bad file descriptor) [pid 10519] set_robust_list(0x55556dd196a0, 24 [pid 10517] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10519] <... set_robust_list resumed>) = 0 [pid 10517] <... futex resumed>) = 1 [pid 10514] <... futex resumed>) = 0 [pid 10514] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10514] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10517] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10517] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10514] <... futex resumed>) = 0 [pid 10517] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10514] exit_group(0) = ? [pid 10517] <... futex resumed>) = ? [pid 10518] +++ exited with 0 +++ [pid 10515] +++ exited with 0 +++ [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10515, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 552] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 10520 attached [pid 10520] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10520] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10517] +++ exited with 0 +++ [pid 10514] +++ exited with 0 +++ [pid 10520] setpgid(0, 0 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10514, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10520] <... setpgid resumed>) = 0 [pid 10520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10519] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10520] <... openat resumed>) = 3 [pid 10520] write(3, "1000", 4) = 4 [pid 10520] close(3executing program ) = 0 [pid 10519] <... prctl resumed>) = 0 [pid 10520] write(1, "executing program\n", 18) = 18 [pid 10520] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10520] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10520] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10520] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10520] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10520] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10520] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10519] setpgid(0, 0 [pid 10520] <... clone3 resumed> => {parent_tid=[10521]}, 88) = 10521 [pid 10520] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10520] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10520] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10521 attached [pid 10521] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10521] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10521] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10521] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] <... restart_syscall resumed>) = 0 [pid 10519] <... setpgid resumed>) = 0 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10522 ./strace-static-x86_64: Process 10522 attached [pid 10520] <... futex resumed>) = 0 [pid 10520] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10520] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10521] <... futex resumed>) = 1 [pid 10521] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10521] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10520] <... futex resumed>) = 0 [pid 10520] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10520] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10521] <... futex resumed>) = 1 [pid 10521] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10521] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10520] <... futex resumed>) = 0 [pid 10520] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10520] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10521] <... futex resumed>) = 1 [pid 10519] <... openat resumed>) = 3 [pid 10519] write(3, "1000", 4) = 4 [pid 10519] close(3executing program ) = 0 [pid 10519] write(1, "executing program\n", 18) = 18 [pid 10521] write(-1, "0x0000000000000001", 18 [pid 10519] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] <... restart_syscall resumed>) = 0 [pid 10521] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10519] <... futex resumed>) = 0 [pid 10519] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10521] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10519] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10519] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10520] <... futex resumed>) = 0 [pid 10520] exit_group(0) = ? [pid 10521] <... futex resumed>) = ? [pid 552] <... restart_syscall resumed>) = 0 [pid 10519] <... mmap resumed>) = 0x7f70b113b000 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10523 [pid 10519] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10519] <... mprotect resumed>) = 0 [pid 10521] +++ exited with 0 +++ [pid 10520] +++ exited with 0 +++ [pid 10519] rt_sigprocmask(SIG_BLOCK, ~[], [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10524 [pid 10519] <... rt_sigprocmask resumed>[], 8) = 0 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10520, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10519] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 555] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 10523 attached [pid 10523] set_robust_list(0x55556dd196a0, 24 [pid 10519] <... clone3 resumed> => {parent_tid=[10525]}, 88) = 10525 [pid 10523] <... set_robust_list resumed>) = 0 [pid 10519] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10523] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10519] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10523] setpgid(0, 0 [pid 10519] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10523] <... setpgid resumed>) = 0 [pid 10522] set_robust_list(0x55556dd196a0, 24 [pid 10523] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10522] <... set_robust_list resumed>) = 0 [pid 10523] <... openat resumed>) = 3 [pid 10523] write(3, "1000", 4executing program ) = 4 [pid 10523] close(3) = 0 [pid 10523] write(1, "executing program\n", 18) = 18 [pid 10523] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10523] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10523] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10523] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10523] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10523] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10523] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0}./strace-static-x86_64: Process 10524 attached [pid 10522] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10524] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10523] <... clone3 resumed> => {parent_tid=[10526]}, 88) = 10526 [pid 10522] <... prctl resumed>) = 0 [pid 10523] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10523] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10523] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10524] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10524] setpgid(0, 0) = 0 [pid 10524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10522] setpgid(0, 0 [pid 10524] <... openat resumed>) = 3 [pid 10524] write(3, "1000", 4executing program ) = 4 [pid 10524] close(3) = 0 [pid 10524] write(1, "executing program\n", 18) = 18 [pid 10524] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10524] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10524] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10524] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10524] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10524] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10524] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10527]}, 88) = 10527 ./strace-static-x86_64: Process 10527 attached [pid 10522] <... setpgid resumed>) = 0 [pid 10524] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10524] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10524] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10525 attached [pid 10525] set_robust_list(0x7f70b115b9a0, 24 [pid 10522] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10525] <... set_robust_list resumed>) = 0 [pid 10525] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10525] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10525] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10519] <... futex resumed>) = 0 [pid 10522] <... openat resumed>) = 3 [pid 10519] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10525] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10522] write(3, "1000", 4 [pid 10519] <... futex resumed>) = 0 [pid 10519] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10522] <... write resumed>) = 4 [pid 10525] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10525] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10525] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 10526 attached [pid 10519] <... futex resumed>) = 0 [pid 10522] close(3 [pid 10519] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000executing program ) = 1 [pid 10522] <... close resumed>) = 0 [pid 10519] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10522] write(1, "executing program\n", 18 [pid 10525] <... futex resumed>) = 0 [pid 10522] <... write resumed>) = 18 [pid 10525] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10525] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10519] <... futex resumed>) = 0 [pid 10522] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10519] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10522] <... futex resumed>) = 0 [pid 10519] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10522] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10525] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10525] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10519] <... futex resumed>) = 0 [pid 10522] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10519] exit_group(0 [pid 10525] ????( [pid 10519] <... exit_group resumed>) = ? [pid 10522] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10525] <... ???? resumed>) = ? [pid 10522] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10522] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10527] set_robust_list(0x7f70b115b9a0, 24 [pid 10522] <... mprotect resumed>) = 0 [pid 555] <... restart_syscall resumed>) = 0 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10522] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10525] +++ exited with 0 +++ [pid 10519] +++ exited with 0 +++ [pid 10526] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10526] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10522] <... rt_sigprocmask resumed>[], 8) = 0 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10528 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10519, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10522] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10526] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10526] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10523] <... futex resumed>) = 0 [pid 10523] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10523] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10526] <... futex resumed>) = 1 [pid 10526] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10526] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10523] <... futex resumed>) = 0 [pid 10522] <... clone3 resumed> => {parent_tid=[10529]}, 88) = 10529 [pid 10527] <... set_robust_list resumed>) = 0 [pid 10522] rt_sigprocmask(SIG_SETMASK, [], [pid 10527] rt_sigprocmask(SIG_SETMASK, [], [pid 10522] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10522] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10527] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10522] <... futex resumed>) = 0 [pid 10523] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10522] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10527] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10523] <... futex resumed>) = 0 [pid 10523] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10526] <... futex resumed>) = 1 [pid 10526] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10526] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10523] <... futex resumed>) = 0 [pid 10523] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10523] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10526] <... futex resumed>) = 1 [pid 10526] write(-1, "0x0000000000000001", 18 [pid 10527] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10526] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10526] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10523] <... futex resumed>) = 0 [pid 10523] exit_group(0) = ? [pid 10527] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10529 attached [pid 10526] <... futex resumed>) = ? [pid 10527] <... futex resumed>) = 1 [pid 10529] set_robust_list(0x7f70b115b9a0, 24 [pid 10524] <... futex resumed>) = 0 [pid 10524] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10524] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10529] <... set_robust_list resumed>) = 0 [pid 10527] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10526] +++ exited with 0 +++ [pid 10523] +++ exited with 0 +++ [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10523, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10527] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 553] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 10528 attached [pid 10527] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10524] <... futex resumed>) = 0 [pid 10524] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10524] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10528] set_robust_list(0x55556dd196a0, 24 [pid 10527] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10528] <... set_robust_list resumed>) = 0 [pid 10528] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10528] setpgid(0, 0) = 0 [pid 10527] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10529] rt_sigprocmask(SIG_SETMASK, [], [pid 10528] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10527] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10524] <... futex resumed>) = 0 [pid 10527] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10524] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10527] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10524] <... futex resumed>) = 0 [pid 10524] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10527] write(-1, "0x0000000000000001", 18 [pid 10528] <... openat resumed>) = 3 [pid 10527] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10528] write(3, "1000", 4 [pid 10527] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10524] <... futex resumed>) = 0 [pid 10527] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10524] exit_group(0 [pid 10527] <... futex resumed>) = ? [pid 10524] <... exit_group resumed>) = ? [pid 10529] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10527] +++ exited with 0 +++ [pid 10524] +++ exited with 0 +++ [pid 10528] <... write resumed>) = 4 [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10524, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 10528] close(3 [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10528] <... close resumed>) = 0 [pid 10528] write(1, "executing program\n", 18) = 18 [pid 10528] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10528] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10528] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10528] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10528] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10528] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10529] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10528] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10528] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10530]}, 88) = 10530 [pid 10529] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10528] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10528] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10528] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10530 attached [pid 10530] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10530] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10530] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10529] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10530] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10530] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10528] <... futex resumed>) = 0 [pid 10528] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10528] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10530] <... futex resumed>) = 1 [pid 10530] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 554] <... restart_syscall resumed>) = 0 [pid 10529] <... futex resumed>) = 1 [pid 10522] <... futex resumed>) = 0 [pid 10522] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10530] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10530] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10522] <... futex resumed>) = 0 [pid 10529] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10522] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10528] <... futex resumed>) = 0 [pid 10528] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10528] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10530] <... futex resumed>) = 1 [pid 10530] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10530] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10531 [pid 10529] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10528] <... futex resumed>) = 0 [pid 10529] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10528] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10522] <... futex resumed>) = 0 [pid 10529] <... futex resumed>) = 1 [pid 10528] <... futex resumed>) = 0 [pid 10522] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10529] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10522] <... futex resumed>) = 0 [pid 10528] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10522] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10529] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 553] <... restart_syscall resumed>) = 0 [pid 10529] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10530] <... futex resumed>) = 1 [pid 10529] <... futex resumed>) = 1 [pid 10522] <... futex resumed>) = 0 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10522] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10530] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10530] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10528] <... futex resumed>) = 0 [pid 10528] exit_group(0) = ? [pid 10530] <... futex resumed>) = ? [pid 10522] <... futex resumed>) = 0 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10532 [pid 10522] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10529] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10529] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 552] <... restart_syscall resumed>) = 0 [pid 10529] <... futex resumed>) = 1 [pid 10522] <... futex resumed>) = 0 ./strace-static-x86_64: Process 10532 attached ./strace-static-x86_64: Process 10531 attached executing program [pid 10530] +++ exited with 0 +++ [pid 10529] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10528] +++ exited with 0 +++ [pid 10522] exit_group(0) = ? [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10528, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10532] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10532] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10533 [pid 10529] <... futex resumed>) = ? [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10532] setpgid(0, 0) = 0 [pid 10532] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10532] write(3, "1000", 4) = 4 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10534 [pid 10532] close(3) = 0 [pid 10532] write(1, "executing program\n", 18) = 18 [pid 10532] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10531] set_robust_list(0x55556dd196a0, 24 [pid 10532] <... futex resumed>) = 0 [pid 10532] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10529] +++ exited with 0 +++ [pid 10522] +++ exited with 0 +++ [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10522, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10531] <... set_robust_list resumed>) = 0 [pid 10532] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10531] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10532] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10532] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10532] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10531] <... prctl resumed>) = 0 [pid 10531] setpgid(0, 0./strace-static-x86_64: Process 10533 attached ) = 0 [pid 10533] set_robust_list(0x55556dd196a0, 24./strace-static-x86_64: Process 10534 attached [pid 10531] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10533] <... set_robust_list resumed>) = 0 [pid 10531] <... openat resumed>) = 3 [pid 10531] write(3, "1000", 4) = 4 [pid 10531] close(3) = 0 [pid 10533] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10531] write(1, "executing program\n", 18executing program ) = 18 [pid 10531] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10531] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10531] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10531] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10531] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10533] <... prctl resumed>) = 0 [pid 10531] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10531] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10535]}, 88) = 10535 [pid 10531] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10531] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10531] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10535 attached [pid 10535] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10535] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10535] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10533] setpgid(0, 0 [pid 10535] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10531] <... futex resumed>) = 0 [pid 10531] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10531] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10535] <... futex resumed>) = 1 [pid 10535] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10535] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10531] <... futex resumed>) = 0 [pid 10531] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10531] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10535] <... futex resumed>) = 1 [pid 10535] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10535] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10531] <... futex resumed>) = 0 [pid 10531] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10531] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10535] <... futex resumed>) = 1 [pid 10535] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10535] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10531] <... futex resumed>) = 0 [pid 10531] exit_group(0) = ? [pid 10535] <... futex resumed>) = ? [pid 10533] <... setpgid resumed>) = 0 [pid 10533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10535] +++ exited with 0 +++ [pid 10531] +++ exited with 0 +++ [pid 10533] <... openat resumed>) = 3 [pid 10533] write(3, "1000", 4 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10531, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10533] <... write resumed>) = 4 [pid 10534] set_robust_list(0x55556dd196a0, 24 [pid 10533] close(3 [pid 10534] <... set_robust_list resumed>) = 0 [pid 10534] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10534] setpgid(0, 0executing program ) = 0 [pid 10534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10533] <... close resumed>) = 0 [pid 10534] <... openat resumed>) = 3 [pid 10534] write(3, "1000", 4) = 4 [pid 10534] close(3) = 0 [pid 10534] write(1, "executing program\n", 18) = 18 [pid 10534] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10534] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10533] write(1, "executing program\n", 18 [pid 10532] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10534] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10534] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10534] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0executing program ) = 0x7f70b113b000 [pid 10534] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10534] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10533] <... write resumed>) = 18 [pid 10532] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10533] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10534] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10533] <... futex resumed>) = 0 [pid 10532] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10533] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10534] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10533] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10533] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10532] <... clone3 resumed> => {parent_tid=[10536]}, 88) = 10536 [pid 551] <... restart_syscall resumed>) = 0 [pid 10533] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10532] rt_sigprocmask(SIG_SETMASK, [], [pid 10533] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 554] <... restart_syscall resumed>) = 0 [pid 10532] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10533] <... mprotect resumed>) = 0 [pid 10532] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556dd19690) = 10537 [pid 10533] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10532] <... futex resumed>) = 0 [pid 10533] <... rt_sigprocmask resumed>[], 8) = 0 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10538 [pid 10533] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10532] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10534] <... clone3 resumed> => {parent_tid=[10539]}, 88) = 10539 [pid 10534] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10533] <... clone3 resumed> => {parent_tid=[10540]}, 88) = 10540 [pid 10534] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10533] rt_sigprocmask(SIG_SETMASK, [], [pid 10534] <... futex resumed>) = 0 [pid 10533] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10534] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10533] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10533] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10537 attached [pid 10537] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10537] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10537] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 10538 attached ./strace-static-x86_64: Process 10540 attached [pid 10537] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 10536 attached [pid 10538] set_robust_list(0x55556dd196a0, 24 [pid 10540] set_robust_list(0x7f70b115b9a0, 24 [pid 10537] <... openat resumed>) = 3 [pid 10537] write(3, "1000", 4) = 4 [pid 10537] close(3) = 0 executing program [pid 10537] write(1, "executing program\n", 18) = 18 [pid 10537] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10537] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10537] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10537] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10537] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10540] <... set_robust_list resumed>) = 0 [pid 10538] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 10539 attached [pid 10536] set_robust_list(0x7f70b115b9a0, 24 [pid 10537] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10537] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10538] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10537] <... clone3 resumed> => {parent_tid=[10541]}, 88) = 10541 [pid 10537] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10537] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10537] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10541 attached [pid 10541] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10541] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10541] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10538] <... prctl resumed>) = 0 [pid 10540] rt_sigprocmask(SIG_SETMASK, [], [pid 10539] set_robust_list(0x7f70b115b9a0, 24 [pid 10536] <... set_robust_list resumed>) = 0 [pid 10541] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10541] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10538] setpgid(0, 0 [pid 10540] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10537] <... futex resumed>) = 0 [pid 10537] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10537] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10541] <... futex resumed>) = 1 [pid 10541] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10538] <... setpgid resumed>) = 0 [pid 10540] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10541] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10541] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10537] <... futex resumed>) = 0 [pid 10537] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10540] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10538] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10537] <... futex resumed>) = 0 [pid 10537] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10541] <... futex resumed>) = 1 [pid 10541] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10541] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10537] <... futex resumed>) = 0 [pid 10537] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10537] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10540] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10538] <... openat resumed>) = 3 [pid 10541] <... futex resumed>) = 1 [pid 10541] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10541] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10537] <... futex resumed>) = 0 [pid 10538] write(3, "1000", 4 [pid 10533] <... futex resumed>) = 0 [pid 10540] <... futex resumed>) = 1 [pid 10536] rt_sigprocmask(SIG_SETMASK, [], [pid 10533] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10540] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10538] <... write resumed>) = 4 [pid 10536] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10533] <... futex resumed>) = 0 [pid 10538] close(3 [pid 10537] exit_group(0 [pid 10533] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10540] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10538] <... close resumed>) = 0 [pid 10536] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10537] <... exit_group resumed>) = ? [pid 10541] <... futex resumed>) = ? [pid 10538] write(1, "executing program\n", 18 [pid 10540] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 10539] <... set_robust_list resumed>) = 0 [pid 10538] <... write resumed>) = 18 [pid 10536] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10538] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10540] <... futex resumed>) = 1 [pid 10539] rt_sigprocmask(SIG_SETMASK, [], [pid 10538] <... futex resumed>) = 0 [pid 10536] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10533] <... futex resumed>) = 0 [pid 10540] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10538] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10536] <... futex resumed>) = 1 [pid 10539] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10533] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10532] <... futex resumed>) = 0 [pid 10540] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10538] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10536] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10533] <... futex resumed>) = 0 [pid 10532] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10540] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10539] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10538] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10536] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10533] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10532] <... futex resumed>) = 0 [pid 10540] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10539] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10538] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10536] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10532] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10540] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10538] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10536] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10533] <... futex resumed>) = 0 [pid 10540] <... futex resumed>) = 1 [pid 10539] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10538] <... mmap resumed>) = 0x7f70b113b000 [pid 10536] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10533] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10540] write(-1, "0x0000000000000001", 18 [pid 10538] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10533] <... futex resumed>) = 0 [pid 10540] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10539] <... futex resumed>) = 1 [pid 10538] <... mprotect resumed>) = 0 [pid 10536] <... futex resumed>) = 1 [pid 10534] <... futex resumed>) = 0 [pid 10533] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10532] <... futex resumed>) = 0 [pid 10540] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10534] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10533] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10532] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10538] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10534] <... futex resumed>) = 0 [pid 10541] +++ exited with 0 +++ [pid 10540] <... futex resumed>) = 0 [pid 10539] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10538] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10537] +++ exited with 0 +++ [pid 10536] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10534] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10533] exit_group(0 [pid 10532] <... futex resumed>) = 0 [pid 10539] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10538] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10536] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10537, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10533] <... exit_group resumed>) = ? [pid 10539] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10532] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10538] <... clone3 resumed> => {parent_tid=[10542]}, 88) = 10542 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10538] rt_sigprocmask(SIG_SETMASK, [], [pid 10540] +++ exited with 0 +++ [pid 10536] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10533] +++ exited with 0 +++ [pid 10539] <... futex resumed>) = 1 [pid 10534] <... futex resumed>) = 0 [pid 10538] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10534] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10533, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10543 [pid 10539] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10538] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10536] <... futex resumed>) = 1 [pid 10534] <... futex resumed>) = 0 [pid 10532] <... futex resumed>) = 0 [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10539] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10538] <... futex resumed>) = 0 [pid 10536] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10534] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10532] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10539] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10538] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10536] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10534] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10532] <... futex resumed>) = 0 [pid 10539] <... futex resumed>) = 0 [pid 10534] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10532] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10536] write(-1, "0x0000000000000001", 18 [pid 10534] <... futex resumed>) = 0 [pid 10534] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10542 attached [pid 10536] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10539] write(-1, "0x0000000000000001", 18 [pid 10542] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10542] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10542] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10542] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10538] <... futex resumed>) = 0 [pid 10539] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10538] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10536] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10542] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10538] <... futex resumed>) = 0 [pid 10532] <... futex resumed>) = 0 [pid 10539] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10538] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10536] <... futex resumed>) = 1 [pid 10539] <... futex resumed>) = 1 [pid 10534] <... futex resumed>) = 0 [pid 10532] exit_group(0 [pid 10536] ????( [pid 10534] exit_group(0 [pid 10536] <... ???? resumed>) = ? [pid 10534] <... exit_group resumed>) = ? [pid 10532] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 10543 attached [pid 10542] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10539] +++ exited with 0 +++ [pid 10536] +++ exited with 0 +++ [pid 10534] +++ exited with 0 +++ [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10534, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 10532] +++ exited with 0 +++ [pid 10543] set_robust_list(0x55556dd196a0, 24 [pid 10542] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10543] <... set_robust_list resumed>) = 0 [pid 10542] <... futex resumed>) = 1 [pid 10538] <... futex resumed>) = 0 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10532, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10538] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10538] <... futex resumed>) = 0 [pid 10538] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10542] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10543] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10542] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10543] <... prctl resumed>) = 0 [pid 10543] setpgid(0, 0) = 0 [pid 10543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10542] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10543] <... openat resumed>) = 3 [pid 10542] <... futex resumed>) = 1 [pid 10538] <... futex resumed>) = 0 [pid 10543] write(3, "1000", 4 [pid 10538] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10542] write(-1, "0x0000000000000001", 18 [pid 10538] <... futex resumed>) = 0 [pid 10543] <... write resumed>) = 4 [pid 10542] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10538] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10543] close(3 [pid 10542] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 10543] <... close resumed>) = 0 [pid 10543] write(1, "executing program\n", 18) = 18 [pid 10543] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10543] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10543] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10543] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10543] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10543] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10538] <... futex resumed>) = 0 [pid 10542] <... futex resumed>) = 1 [pid 10538] exit_group(0 [pid 10543] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10538] <... exit_group resumed>) = ? [pid 10543] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10544]}, 88) = 10544 [pid 10543] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10543] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10543] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10544 attached [pid 10544] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10544] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10542] +++ exited with 0 +++ [pid 10538] +++ exited with 0 +++ [pid 10544] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10538, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10544] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10543] <... futex resumed>) = 0 [pid 10543] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10543] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10544] <... futex resumed>) = 1 [pid 10544] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10544] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10543] <... futex resumed>) = 0 [pid 10543] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10543] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10544] <... futex resumed>) = 1 [pid 10544] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10544] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10543] <... futex resumed>) = 0 [pid 10543] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10543] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10544] <... futex resumed>) = 1 [pid 10544] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10544] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10543] <... futex resumed>) = 0 [pid 10543] exit_group(0) = ? [pid 10544] <... futex resumed>) = ? [pid 10544] +++ exited with 0 +++ [pid 10543] +++ exited with 0 +++ [pid 552] <... restart_syscall resumed>) = 0 [pid 555] <... restart_syscall resumed>) = 0 [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10543, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 554] <... restart_syscall resumed>) = 0 [pid 553] <... restart_syscall resumed>) = 0 [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 551] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 10545 attached [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10545 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10547 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10546 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10548 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10547 attached ./strace-static-x86_64: Process 10549 attached ./strace-static-x86_64: Process 10548 attached ./strace-static-x86_64: Process 10546 attached [pid 10547] set_robust_list(0x55556dd196a0, 24 [pid 10545] set_robust_list(0x55556dd196a0, 24 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10549 [pid 10546] set_robust_list(0x55556dd196a0, 24 [pid 10549] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10548] set_robust_list(0x55556dd196a0, 24 [pid 10547] <... set_robust_list resumed>) = 0 [pid 10546] <... set_robust_list resumed>) = 0 [pid 10545] <... set_robust_list resumed>) = 0 [pid 10549] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10547] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10546] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10545] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10548] <... set_robust_list resumed>) = 0 [pid 10549] <... prctl resumed>) = 0 [pid 10547] <... prctl resumed>) = 0 [pid 10546] <... prctl resumed>) = 0 [pid 10547] setpgid(0, 0 [pid 10545] <... prctl resumed>) = 0 [pid 10546] setpgid(0, 0 [pid 10545] setpgid(0, 0 [pid 10547] <... setpgid resumed>) = 0 [pid 10546] <... setpgid resumed>) = 0 [pid 10545] <... setpgid resumed>) = 0 [pid 10547] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10548] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10549] setpgid(0, 0) = 0 [pid 10546] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10548] <... prctl resumed>) = 0 [pid 10545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10547] <... openat resumed>) = 3 [pid 10546] <... openat resumed>) = 3 [pid 10546] write(3, "1000", 4) = 4 [pid 10546] close(3 [pid 10547] write(3, "1000", 4 [pid 10546] <... close resumed>) = 0 [pid 10547] <... write resumed>) = 4 executing program [pid 10547] close(3) = 0 [pid 10546] write(1, "executing program\n", 18executing program ) = 18 [pid 10547] write(1, "executing program\n", 18 [pid 10546] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10547] <... write resumed>) = 18 [pid 10547] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10546] <... futex resumed>) = 0 [pid 10546] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10547] <... futex resumed>) = 0 [pid 10546] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10547] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10546] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10547] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10547] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10546] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10547] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10546] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10547] <... mmap resumed>) = 0x7f70b113b000 [pid 10546] <... mmap resumed>) = 0x7f70b113b000 [pid 10546] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10547] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10546] <... mprotect resumed>) = 0 [pid 10547] <... mprotect resumed>) = 0 [pid 10547] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10548] setpgid(0, 0 [pid 10546] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10549] <... openat resumed>) = 3 [pid 10548] <... setpgid resumed>) = 0 [pid 10546] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10545] <... openat resumed>) = 3 [pid 10546] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10549] write(3, "1000", 4 [pid 10545] write(3, "1000", 4 [pid 10547] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10549] <... write resumed>) = 4 [pid 10545] <... write resumed>) = 4 [pid 10547] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10549] close(3 [pid 10548] <... openat resumed>) = 3 [pid 10545] close(3 [pid 10546] <... clone3 resumed> => {parent_tid=[10551]}, 88) = 10551 [pid 10549] <... close resumed>) = 0 [pid 10548] write(3, "1000", 4 [pid 10545] <... close resumed>) = 0 [pid 10546] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10547] <... clone3 resumed> => {parent_tid=[10550]}, 88) = 10550 [pid 10546] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10547] rt_sigprocmask(SIG_SETMASK, [], [pid 10546] <... futex resumed>) = 0 [pid 10547] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10546] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10547] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10547] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10551 attached ./strace-static-x86_64: Process 10550 attached [pid 10551] set_robust_list(0x7f70b115b9a0, 24 [pid 10550] set_robust_list(0x7f70b115b9a0, 24 [pid 10551] <... set_robust_list resumed>) = 0 [pid 10550] <... set_robust_list resumed>) = 0 [pid 10551] rt_sigprocmask(SIG_SETMASK, [], [pid 10550] rt_sigprocmask(SIG_SETMASK, [], [pid 10551] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10550] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10551] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10550] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10551] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10550] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10551] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10547] <... futex resumed>) = 0 [pid 10547] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10547] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10546] <... futex resumed>) = 0 [pid 10546] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10546] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10551] <... futex resumed>) = 1 [pid 10550] <... futex resumed>) = 1 [pid 10551] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10550] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10551] <... openat resumed>) = -1 ENOENT (No such file or directory) executing program executing program [pid 10549] write(1, "executing program\n", 18 [pid 10545] write(1, "executing program\n", 18 [pid 10549] <... write resumed>) = 18 [pid 10548] <... write resumed>) = 4 [pid 10545] <... write resumed>) = 18 [pid 10549] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10545] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10549] <... futex resumed>) = 0 [pid 10548] close(3 [pid 10545] <... futex resumed>) = 0 [pid 10549] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10548] <... close resumed>) = 0 executing program [pid 10549] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10545] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10549] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10548] write(1, "executing program\n", 18 [pid 10545] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10549] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10548] <... write resumed>) = 18 [pid 10545] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10549] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10548] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10545] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10550] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10549] <... mmap resumed>) = 0x7f70b113b000 [pid 10545] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10549] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10548] <... futex resumed>) = 0 [pid 10545] <... mmap resumed>) = 0x7f70b113b000 [pid 10549] <... mprotect resumed>) = 0 [pid 10548] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10545] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10551] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10550] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10549] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10548] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10545] <... mprotect resumed>) = 0 [pid 10549] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10548] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10546] <... futex resumed>) = 0 [pid 10545] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10549] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10548] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10545] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10546] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10548] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10549] <... clone3 resumed> => {parent_tid=[10552]}, 88) = 10552 [pid 10545] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10549] rt_sigprocmask(SIG_SETMASK, [], [pid 10548] <... mmap resumed>) = 0x7f70b113b000 [pid 10546] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10548] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10547] <... futex resumed>) = 0 [pid 10549] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10549] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10548] <... mprotect resumed>) = 0 [pid 10545] <... clone3 resumed> => {parent_tid=[10553]}, 88) = 10553 [pid 10549] <... futex resumed>) = 0 [pid 10548] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10547] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10545] rt_sigprocmask(SIG_SETMASK, [], [pid 10549] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10548] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10547] <... futex resumed>) = 0 [pid 10545] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10548] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10547] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10545] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10552 attached [pid 10550] <... futex resumed>) = 1 [pid 10550] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10545] <... futex resumed>) = 0 [pid 10548] <... clone3 resumed> => {parent_tid=[10554]}, 88) = 10554 [pid 10545] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10548] rt_sigprocmask(SIG_SETMASK, [], [pid 10550] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10548] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10550] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10548] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10547] <... futex resumed>) = 0 [pid 10548] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10547] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10547] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10550] <... futex resumed>) = 1 [pid 10550] write(-1, "0x0000000000000001", 18 [pid 10552] set_robust_list(0x7f70b115b9a0, 24 [pid 10551] <... futex resumed>) = 1 [pid 10550] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10550] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10547] <... futex resumed>) = 0 [pid 10547] exit_group(0) = ? [pid 10552] <... set_robust_list resumed>) = 0 [pid 10551] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000./strace-static-x86_64: Process 10554 attached ./strace-static-x86_64: Process 10553 attached [pid 10550] <... futex resumed>) = ? [pid 10554] set_robust_list(0x7f70b115b9a0, 24 [pid 10553] set_robust_list(0x7f70b115b9a0, 24 [pid 10552] rt_sigprocmask(SIG_SETMASK, [], [pid 10551] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10554] <... set_robust_list resumed>) = 0 [pid 10550] +++ exited with 0 +++ [pid 10547] +++ exited with 0 +++ [pid 10553] <... set_robust_list resumed>) = 0 [pid 10552] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10551] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10554] rt_sigprocmask(SIG_SETMASK, [], [pid 10553] rt_sigprocmask(SIG_SETMASK, [], [pid 10552] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10551] <... futex resumed>) = 1 [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10547, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10553] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10552] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10551] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10554] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10553] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10552] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10546] <... futex resumed>) = 0 [pid 10553] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10552] <... futex resumed>) = 1 [pid 10549] <... futex resumed>) = 0 [pid 10553] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10552] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10549] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10553] <... futex resumed>) = 1 [pid 10552] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10549] <... futex resumed>) = 0 [pid 10545] <... futex resumed>) = 0 [pid 10553] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10552] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10549] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10546] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10545] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10553] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10552] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10551] <... futex resumed>) = 0 [pid 10546] <... futex resumed>) = 1 [pid 10545] <... futex resumed>) = 0 [pid 10553] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10552] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10546] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10545] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10553] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10552] <... futex resumed>) = 1 [pid 10551] write(-1, "0x0000000000000001", 18 [pid 10549] <... futex resumed>) = 0 [pid 10553] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10552] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10549] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10553] <... futex resumed>) = 1 [pid 10552] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10549] <... futex resumed>) = 0 [pid 10545] <... futex resumed>) = 0 [pid 10553] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10552] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10549] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10545] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10554] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10553] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10552] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10551] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10545] <... futex resumed>) = 0 [pid 10553] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10552] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10545] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10554] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10552] <... futex resumed>) = 1 [pid 10551] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10549] <... futex resumed>) = 0 [pid 10554] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10553] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10552] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10551] <... futex resumed>) = 1 [pid 10549] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10546] <... futex resumed>) = 0 [pid 10554] <... futex resumed>) = 1 [pid 10553] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10552] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10551] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10549] <... futex resumed>) = 0 [pid 10548] <... futex resumed>) = 0 [pid 10546] exit_group(0 [pid 10554] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10553] <... futex resumed>) = 1 [pid 10552] write(-1, "0x0000000000000001", 18 [pid 10551] <... futex resumed>) = ? [pid 10549] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10548] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10546] <... exit_group resumed>) = ? [pid 10545] <... futex resumed>) = 0 [pid 10554] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10553] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10552] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10551] +++ exited with 0 +++ [pid 10548] <... futex resumed>) = 0 [pid 10546] +++ exited with 0 +++ [pid 10545] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10554] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10553] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10552] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10548] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10545] <... futex resumed>) = 0 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10546, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10554] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10549] <... futex resumed>) = 0 [pid 10545] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10552] <... futex resumed>) = 1 [pid 10554] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10553] write(-1, "0x0000000000000001", 18 [pid 10552] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10549] exit_group(0 [pid 10553] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10552] <... futex resumed>) = ? [pid 10549] <... exit_group resumed>) = ? [pid 10554] <... futex resumed>) = 1 [pid 10548] <... futex resumed>) = 0 [pid 10554] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10548] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10554] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10548] <... futex resumed>) = 0 [pid 10554] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10548] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10554] <... futex resumed>) = 0 [pid 10548] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10554] write(-1, "0x0000000000000001", 18 [pid 10548] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10554] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10548] <... futex resumed>) = 0 [pid 10554] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10548] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10554] <... futex resumed>) = 0 [pid 10552] +++ exited with 0 +++ [pid 10553] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10549] +++ exited with 0 +++ [pid 10548] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10554] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10548] exit_group(0 [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10549, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10554] <... futex resumed>) = ? [pid 10548] <... exit_group resumed>) = ? [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10554] +++ exited with 0 +++ [pid 10553] <... futex resumed>) = 1 [pid 10548] +++ exited with 0 +++ [pid 10545] <... futex resumed>) = 0 [pid 10553] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10545] exit_group(0 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10548, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10553] <... futex resumed>) = ? [pid 10545] <... exit_group resumed>) = ? [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 554] <... restart_syscall resumed>) = 0 [pid 551] <... restart_syscall resumed>) = 0 [pid 553] <... restart_syscall resumed>) = 0 [pid 552] <... restart_syscall resumed>) = 0 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10555 attached [pid 10553] +++ exited with 0 +++ [pid 10545] +++ exited with 0 +++ [pid 10555] set_robust_list(0x55556dd196a0, 24 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10545, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10555 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10556 [pid 555] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 10556 attached [pid 10556] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10556] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10556] setpgid(0, 0) = 0 [pid 10556] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10555] <... set_robust_list resumed>) = 0 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10557 [pid 10556] <... openat resumed>) = 3 [pid 10555] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10558 [pid 10555] <... prctl resumed>) = 0 [pid 10556] write(3, "1000", 4 [pid 10555] setpgid(0, 0 [pid 10556] <... write resumed>) = 4 [pid 10556] close(3executing program ) = 0 [pid 10556] write(1, "executing program\n", 18) = 18 [pid 10556] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10556] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10556] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10556] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10556] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10556] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10555] <... setpgid resumed>) = 0 [pid 10556] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10556] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10559]}, 88) = 10559 [pid 10556] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10555] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10556] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10556] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10557 attached [pid 10557] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10557] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 10558 attached ) = 0 [pid 10558] set_robust_list(0x55556dd196a0, 24 [pid 10557] setpgid(0, 0 [pid 10555] <... openat resumed>) = 3 [pid 10557] <... setpgid resumed>) = 0 [pid 10558] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 10559 attached [pid 10557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10555] write(3, "1000", 4 [pid 10558] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10555] <... write resumed>) = 4 [pid 10558] <... prctl resumed>) = 0 [pid 10558] setpgid(0, 0) = 0 [pid 10559] set_robust_list(0x7f70b115b9a0, 24 [pid 10558] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10555] close(3 [pid 10557] <... openat resumed>) = 3 [pid 10555] <... close resumed>) = 0 [pid 10557] write(3, "1000", 4 [pid 10559] <... set_robust_list resumed>) = 0 [pid 10558] <... openat resumed>) = 3 [pid 10555] write(1, "executing program\n", 18 [pid 10557] <... write resumed>) = 4 [pid 10557] close(3executing program ) = 0 [pid 10557] write(1, "executing program\n", 18) = 18 [pid 10558] write(3, "1000", 4 [pid 10557] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10558] <... write resumed>) = 4 [pid 10558] close(3 [pid 10557] <... futex resumed>) = 0 [pid 10558] <... close resumed>) = 0 [pid 10557] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 executing program [pid 10558] write(1, "executing program\n", 18) = 18 [pid 10557] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10558] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10557] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10558] <... futex resumed>) = 0 [pid 10557] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10558] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10557] <... mmap resumed>) = 0x7f70b113b000 executing program [pid 10558] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10557] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10558] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10557] <... mprotect resumed>) = 0 [pid 10558] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10557] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10555] <... write resumed>) = 18 [pid 10558] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10557] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10555] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10558] <... mmap resumed>) = 0x7f70b113b000 [pid 10557] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10555] <... futex resumed>) = 0 ./strace-static-x86_64: Process 10560 attached [pid 10559] rt_sigprocmask(SIG_SETMASK, [], [pid 10558] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10555] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10558] <... mprotect resumed>) = 0 [pid 10557] <... clone3 resumed> => {parent_tid=[10560]}, 88) = 10560 [pid 10558] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10557] rt_sigprocmask(SIG_SETMASK, [], [pid 10555] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10560] set_robust_list(0x7f70b115b9a0, 24 [pid 10559] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10558] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10557] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10558] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10557] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10560] <... set_robust_list resumed>) = 0 [pid 10559] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10557] <... futex resumed>) = 0 [pid 10555] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10558] <... clone3 resumed> => {parent_tid=[10561]}, 88) = 10561 [pid 10557] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10558] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10558] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10558] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10561 attached [pid 10561] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10561] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10561] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10561] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10558] <... futex resumed>) = 0 [pid 10558] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10558] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10561] <... futex resumed>) = 1 [pid 10561] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10561] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] <... restart_syscall resumed>) = 0 [pid 10555] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10560] rt_sigprocmask(SIG_SETMASK, [], [pid 10559] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10555] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 10562 attached [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10562 [pid 10558] <... futex resumed>) = 0 [pid 10558] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10558] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10561] <... futex resumed>) = 1 [pid 10561] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10559] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10560] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10555] <... mmap resumed>) = 0x7f70b113b000 [pid 10559] <... futex resumed>) = 1 [pid 10556] <... futex resumed>) = 0 [pid 10555] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10556] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10556] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10561] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10561] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10558] <... futex resumed>) = 0 [pid 10558] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10558] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10561] <... futex resumed>) = 1 [pid 10561] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10561] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10558] <... futex resumed>) = 0 [pid 10555] <... mprotect resumed>) = 0 [pid 10559] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10558] exit_group(0) = ? [pid 10561] <... futex resumed>) = ? [pid 10562] set_robust_list(0x55556dd196a0, 24 [pid 10561] +++ exited with 0 +++ [pid 10560] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10559] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10558] +++ exited with 0 +++ [pid 10555] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10562] <... set_robust_list resumed>) = 0 [pid 10562] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10562] setpgid(0, 0) = 0 [pid 10562] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10559] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10555] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10556] <... futex resumed>) = 0 [pid 10556] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10559] <... futex resumed>) = 1 [pid 10556] <... futex resumed>) = 0 [pid 10555] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10558, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10556] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10562] <... openat resumed>) = 3 [pid 10559] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10562] write(3, "1000", 4 [pid 10559] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10555] <... clone3 resumed> => {parent_tid=[10563]}, 88) = 10563 [pid 10559] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10555] rt_sigprocmask(SIG_SETMASK, [], [pid 10562] <... write resumed>) = 4 [pid 10559] <... futex resumed>) = 1 [pid 10556] <... futex resumed>) = 0 [pid 10555] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10562] close(3 [pid 10559] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10556] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10555] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10562] <... close resumed>) = 0 [pid 10559] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10556] <... futex resumed>) = 0 [pid 10555] <... futex resumed>) = 0 [pid 10562] write(1, "executing program\n", 18 executing program [pid 10559] write(-1, "0x0000000000000001", 18 [pid 10556] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10562] <... write resumed>) = 18 [pid 10559] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10555] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10559] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10562] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10559] <... futex resumed>) = 1 [pid 10556] <... futex resumed>) = 0 [pid 10562] <... futex resumed>) = 0 [pid 10556] exit_group(0 [pid 10562] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10556] <... exit_group resumed>) = ? [pid 10562] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10560] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10559] +++ exited with 0 +++ [pid 10556] +++ exited with 0 +++ [pid 10562] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10560] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10556, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10562] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10560] <... futex resumed>) = 1 [pid 10557] <... futex resumed>) = 0 [pid 10562] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10557] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10562] <... mmap resumed>) = 0x7f70b113b000 [pid 10557] <... futex resumed>) = 0 [pid 10562] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10557] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10562] <... mprotect resumed>) = 0 [pid 10562] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10562] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10564]}, 88) = 10564 [pid 10560] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH./strace-static-x86_64: Process 10564 attached [pid 10562] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10562] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10562] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10563 attached [pid 10563] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10563] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10563] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10563] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10563] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10560] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10555] <... futex resumed>) = 0 [pid 10564] set_robust_list(0x7f70b115b9a0, 24 [pid 10560] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10557] <... futex resumed>) = 0 [pid 10560] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10557] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10560] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10557] <... futex resumed>) = 0 [pid 10560] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10557] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10560] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10560] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10557] <... futex resumed>) = 0 [pid 10560] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10557] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10560] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10557] <... futex resumed>) = 0 [pid 10560] write(-1, "0x0000000000000001", 18 [pid 10557] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10560] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10560] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10557] <... futex resumed>) = 0 [pid 10560] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10557] exit_group(0 [pid 10560] <... futex resumed>) = ? [pid 10557] <... exit_group resumed>) = ? [pid 10564] <... set_robust_list resumed>) = 0 [pid 10560] +++ exited with 0 +++ [pid 10557] +++ exited with 0 +++ [pid 10555] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10564] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10564] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10564] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10562] <... futex resumed>) = 0 [pid 10564] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10562] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10564] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10562] <... futex resumed>) = 0 [pid 10564] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10562] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10564] <... futex resumed>) = 0 [pid 10562] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10564] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10563] <... futex resumed>) = 0 [pid 10562] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10555] <... futex resumed>) = 1 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10557, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10564] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10563] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10562] <... futex resumed>) = 0 [pid 10555] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 551] <... restart_syscall resumed>) = 0 [pid 10564] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10563] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10562] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10564] <... futex resumed>) = 0 [pid 10563] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10562] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10564] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10563] <... futex resumed>) = 1 [pid 10562] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10555] <... futex resumed>) = 0 [pid 10564] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10563] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10562] <... futex resumed>) = 0 [pid 10555] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10564] write(-1, "0x0000000000000001", 18 [pid 10563] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10562] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10564] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10563] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10555] <... futex resumed>) = 0 [pid 10564] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10563] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10564] <... futex resumed>) = 1 [pid 10563] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10562] <... futex resumed>) = 0 [pid 10564] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10563] <... futex resumed>) = 0 [pid 10562] exit_group(0 [pid 10564] <... futex resumed>) = ? [pid 10563] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10562] <... exit_group resumed>) = ? [pid 10555] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10564] +++ exited with 0 +++ [pid 10562] +++ exited with 0 +++ [pid 10555] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10562, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10565 [pid 10555] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 552] <... restart_syscall resumed>) = 0 [pid 553] <... restart_syscall resumed>) = 0 [pid 10563] <... futex resumed>) = 0 [pid 10555] <... futex resumed>) = 1 [pid 10563] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10555] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10563] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10555] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10563] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL executing program [pid 10555] exit_group(0 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10563] <... futex resumed>) = ? [pid 10555] <... exit_group resumed>) = ? [pid 10563] +++ exited with 0 +++ ./strace-static-x86_64: Process 10565 attached [pid 10565] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10565] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10565] setpgid(0, 0) = 0 [pid 10565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10565] write(3, "1000", 4) = 4 [pid 10565] close(3) = 0 [pid 10565] write(1, "executing program\n", 18) = 18 [pid 10565] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10555] +++ exited with 0 +++ [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10566 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10567 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10555, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10565] <... futex resumed>) = 0 [pid 10565] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10565] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10565] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10565] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10565] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 10567 attached [], 8) = 0 [pid 10565] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10568]}, 88) = 10568 [pid 10565] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10565] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10565] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10566 attached [pid 10566] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10566] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10566] setpgid(0, 0) = 0 [pid 10566] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 10568 attached [pid 10567] set_robust_list(0x55556dd196a0, 24 [pid 10566] write(3, "1000", 4) = 4 [pid 10566] close(3) = 0 executing program [pid 10566] write(1, "executing program\n", 18) = 18 [pid 10566] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10566] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10566] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10566] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10566] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10566] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10566] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10569]}, 88) = 10569 [pid 10568] set_robust_list(0x7f70b115b9a0, 24 [pid 10567] <... set_robust_list resumed>) = 0 [pid 10566] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10566] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10566] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10569 attached [pid 10569] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10569] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10569] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10569] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10567] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10566] <... futex resumed>) = 0 [pid 10566] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10566] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10569] <... futex resumed>) = 1 [pid 10567] <... prctl resumed>) = 0 [pid 10569] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10569] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10566] <... futex resumed>) = 0 [pid 10566] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10566] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10569] <... futex resumed>) = 1 [pid 10569] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10569] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10566] <... futex resumed>) = 0 [pid 10567] setpgid(0, 0 [pid 10566] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10566] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10569] <... futex resumed>) = 1 [pid 10567] <... setpgid resumed>) = 0 [pid 555] <... restart_syscall resumed>) = 0 [pid 10568] <... set_robust_list resumed>) = 0 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10567] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10568] rt_sigprocmask(SIG_SETMASK, [], [pid 10567] <... openat resumed>) = 3 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10570 [pid 554] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 10570 attached [pid 10568] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10567] write(3, "1000", 4 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10570] set_robust_list(0x55556dd196a0, 24 [pid 10568] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10567] <... write resumed>) = 4 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10571 [pid 10569] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10569] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10566] <... futex resumed>) = 0 [pid 10566] exit_group(0) = ? [pid 10569] <... futex resumed>) = ? [pid 10567] close(3 [pid 10570] <... set_robust_list resumed>) = 0 [pid 10568] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10567] <... close resumed>) = 0 [pid 10568] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10569] +++ exited with 0 +++ [pid 10566] +++ exited with 0 +++ [pid 10568] <... futex resumed>) = 1 [pid 10567] write(1, "executing program\n", 18 [pid 10565] <... futex resumed>) = 0 [pid 10565] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10565] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10571 attached [pid 10571] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10571] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10571] setpgid(0, 0executing program ) = 0 [pid 10571] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10566, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10568] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10567] <... write resumed>) = 18 [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10570] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10568] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10567] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10570] <... prctl resumed>) = 0 [pid 553] <... restart_syscall resumed>) = 0 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10568] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10567] <... futex resumed>) = 0 ./strace-static-x86_64: Process 10572 attached [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10572 [pid 10570] setpgid(0, 0 [pid 10568] <... futex resumed>) = 1 [pid 10567] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10565] <... futex resumed>) = 0 [pid 10565] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10565] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10570] <... setpgid resumed>) = 0 [pid 10570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10567] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10572] set_robust_list(0x55556dd196a0, 24 [pid 10568] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10570] <... openat resumed>) = 3 [pid 10570] write(3, "1000", 4) = 4 [pid 10570] close(3executing program ) = 0 [pid 10570] write(1, "executing program\n", 18) = 18 [pid 10570] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10570] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10570] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10570] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10570] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10570] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10568] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10567] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10570] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10570] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10573]}, 88) = 10573 [pid 10570] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10570] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10570] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10571] <... openat resumed>) = 3 [pid 10571] write(3, "1000", 4executing program ) = 4 [pid 10571] close(3) = 0 [pid 10571] write(1, "executing program\n", 18) = 18 [pid 10571] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10571] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10571] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10571] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10571] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10572] <... set_robust_list resumed>) = 0 [pid 10571] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10568] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10567] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10568] <... futex resumed>) = 1 [pid 10565] <... futex resumed>) = 0 [pid 10568] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10567] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10565] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10568] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10567] <... mmap resumed>) = 0x7f70b113b000 [pid 10565] <... futex resumed>) = 0 [pid 10565] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10568] write(-1, "0x0000000000000001", 18 [pid 10567] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10568] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10567] <... mprotect resumed>) = 0 [pid 10568] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10571] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10571] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10567] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10565] <... futex resumed>) = 0 [pid 10565] exit_group(0) = ? [pid 10568] <... futex resumed>) = ? [pid 10567] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10571] <... clone3 resumed> => {parent_tid=[10574]}, 88) = 10574 [pid 10571] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10571] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10571] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10573 attached [pid 10573] set_robust_list(0x7f70b115b9a0, 24 [pid 10568] +++ exited with 0 +++ [pid 10567] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10565] +++ exited with 0 +++ [pid 10573] <... set_robust_list resumed>) = 0 [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10565, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10567] <... clone3 resumed> => {parent_tid=[10575]}, 88) = 10575 [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10567] rt_sigprocmask(SIG_SETMASK, [], [pid 10573] rt_sigprocmask(SIG_SETMASK, [], [pid 10567] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10573] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10567] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10567] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10573] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10573] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10570] <... futex resumed>) = 0 [pid 10570] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10570] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10573] <... futex resumed>) = 1 [pid 10573] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10573] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10570] <... futex resumed>) = 0 [pid 10570] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10570] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10573] <... futex resumed>) = 1 [pid 10573] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10573] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10570] <... futex resumed>) = 0 [pid 10570] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10570] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10573] <... futex resumed>) = 1 [pid 10573] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10573] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10570] <... futex resumed>) = 0 [pid 10570] exit_group(0) = ? [pid 10573] <... futex resumed>) = ? [pid 10572] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 10575 attached ./strace-static-x86_64: Process 10574 attached [pid 10574] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10572] <... prctl resumed>) = 0 [pid 10575] set_robust_list(0x7f70b115b9a0, 24 [pid 10574] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10574] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10572] setpgid(0, 0 [pid 10575] <... set_robust_list resumed>) = 0 [pid 10574] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10571] <... futex resumed>) = 0 [pid 10571] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10571] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10574] <... futex resumed>) = 1 [pid 10574] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 551] <... restart_syscall resumed>) = 0 [pid 10574] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10574] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10571] <... futex resumed>) = 0 [pid 10571] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10571] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10574] <... futex resumed>) = 1 [pid 10574] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10574] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10571] <... futex resumed>) = 0 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10576 [pid 10571] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10571] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10574] <... futex resumed>) = 1 [pid 10572] <... setpgid resumed>) = 0 [pid 10574] write(-1, "0x0000000000000001", 18 [pid 10575] rt_sigprocmask(SIG_SETMASK, [], [pid 10573] +++ exited with 0 +++ [pid 10572] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10570] +++ exited with 0 +++ [pid 10574] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10570, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10574] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 10571] <... futex resumed>) = 0 [pid 10571] exit_group(0) = ? [pid 10574] <... futex resumed>) = ? [pid 10575] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10574] +++ exited with 0 +++ [pid 10572] <... openat resumed>) = 3 [pid 10571] +++ exited with 0 +++ [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10571, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10572] write(3, "1000", 4 [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10572] <... write resumed>) = 4 ./strace-static-x86_64: Process 10576 attached [pid 10576] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10576] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10572] close(3 [pid 10576] <... prctl resumed>) = 0 [pid 10576] setpgid(0, 0 [pid 10572] <... close resumed>) = 0 [pid 10576] <... setpgid resumed>) = 0 [pid 10576] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10572] write(1, "executing program\n", 18 [pid 10575] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10576] <... openat resumed>) = 3 [pid 10576] write(3, "1000", 4) = 4 [pid 10576] close(3) = 0 [pid 10576] write(1, "executing program\n", 18executing program ) = 18 [pid 10576] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10576] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10576] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10576] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0executing program ) = 0x7f70b113b000 [pid 10576] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10576] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10572] <... write resumed>) = 18 [pid 10576] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10576] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10577]}, 88) = 10577 [pid 10576] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10572] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10575] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10576] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10576] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10577 attached [pid 10577] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10577] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10577] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10577] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10576] <... futex resumed>) = 0 [pid 10576] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10576] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10577] <... futex resumed>) = 1 [pid 10577] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10577] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10576] <... futex resumed>) = 0 [pid 10576] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10576] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10577] <... futex resumed>) = 1 [pid 555] <... restart_syscall resumed>) = 0 [pid 10575] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10572] <... futex resumed>) = 0 [pid 10572] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10577] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10577] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10572] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10575] <... futex resumed>) = 1 [pid 10572] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10567] <... futex resumed>) = 0 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10575] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10572] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10567] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10576] <... futex resumed>) = 0 [pid 10576] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10576] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10577] <... futex resumed>) = 1 [pid 10577] write(-1, "0x0000000000000001", 18 [pid 10567] <... futex resumed>) = 0 [pid 554] <... restart_syscall resumed>) = 0 [pid 10572] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10575] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10567] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10578 [pid 10575] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10572] <... mmap resumed>) = 0x7f70b113b000 [pid 10577] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10572] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10575] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10572] <... mprotect resumed>) = 0 [pid 10577] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10576] <... futex resumed>) = 0 [pid 10576] exit_group(0) = ? [pid 10577] <... futex resumed>) = ? [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10579 [pid 10572] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10575] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10572] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10575] <... futex resumed>) = 1 [pid 10572] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10567] <... futex resumed>) = 0 [pid 10567] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10567] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10575] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10572] <... clone3 resumed> => {parent_tid=[10580]}, 88) = 10580 [pid 10572] rt_sigprocmask(SIG_SETMASK, [], [pid 10575] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10572] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10575] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10572] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10575] <... futex resumed>) = 1 [pid 10567] <... futex resumed>) = 0 [pid 10572] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10567] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10575] write(-1, "0x0000000000000001", 18 [pid 10567] <... futex resumed>) = 0 [pid 10567] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10575] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10575] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10567] <... futex resumed>) = 0 [pid 10567] exit_group(0 [pid 10575] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10567] <... exit_group resumed>) = ? [pid 10577] +++ exited with 0 +++ [pid 10576] +++ exited with 0 +++ [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10576, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 551] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 10578 attached [pid 10578] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10578] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10575] +++ exited with 0 +++ [pid 10567] +++ exited with 0 +++ [pid 10578] setpgid(0, 0 [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10567, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10578] <... setpgid resumed>) = 0 [pid 551] <... restart_syscall resumed>) = 0 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10578] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10578] write(3, "1000", 4) = 4 [pid 10578] close(3 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10581 [pid 10578] <... close resumed>) = 0 executing program [pid 10578] write(1, "executing program\n", 18) = 18 [pid 10578] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10578] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10578] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10578] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10578] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 10581 attached [pid 10578] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 ./strace-static-x86_64: Process 10579 attached [pid 10578] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 552] <... restart_syscall resumed>) = 0 [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10579] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10578] <... clone3 resumed> => {parent_tid=[10582]}, 88) = 10582 [pid 10579] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10578] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10583 [pid 10578] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10578] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10579] <... prctl resumed>) = 0 [pid 10579] setpgid(0, 0) = 0 [pid 10579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10581] set_robust_list(0x55556dd196a0, 24 [pid 10579] <... openat resumed>) = 3 ./strace-static-x86_64: Process 10583 attached [pid 10579] write(3, "1000", 4) = 4 [pid 10579] close(3) = 0 executing program [pid 10579] write(1, "executing program\n", 18) = 18 [pid 10579] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10579] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10579] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10579] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10579] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10581] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 10580 attached [pid 10580] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10579] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10580] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10579] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10580] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10579] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10580] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10580] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10579] <... clone3 resumed> => {parent_tid=[10584]}, 88) = 10584 [pid 10579] rt_sigprocmask(SIG_SETMASK, [], [pid 10580] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10579] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10579] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10579] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10582 attached [pid 10582] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10582] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10582] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10582] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10578] <... futex resumed>) = 0 [pid 10578] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10578] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10582] <... futex resumed>) = 1 [pid 10582] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10572] <... futex resumed>) = 0 [pid 10582] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10572] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10578] <... futex resumed>) = 0 [pid 10572] <... futex resumed>) = 1 [pid 10578] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10572] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10578] <... futex resumed>) = 0 [pid 10578] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10580] <... futex resumed>) = 0 [pid 10580] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10580] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10581] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10580] <... futex resumed>) = 1 [pid 10572] <... futex resumed>) = 0 [pid 10580] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10572] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10581] <... prctl resumed>) = 0 [pid 10572] <... futex resumed>) = 0 [pid 10580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10572] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10581] setpgid(0, 0) = 0 [pid 10580] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10581] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10580] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10580] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10572] <... futex resumed>) = 0 [pid 10580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10572] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10581] <... openat resumed>) = 3 [pid 10580] write(-1, "0x0000000000000001", 18 [pid 10572] <... futex resumed>) = 0 [pid 10580] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10572] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10581] write(3, "1000", 4 [pid 10580] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10572] <... futex resumed>) = 0 [pid 10583] set_robust_list(0x55556dd196a0, 24 [pid 10581] <... write resumed>) = 4 [pid 10572] exit_group(0 [pid 10580] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10582] <... futex resumed>) = 1 [pid 10581] close(3 [pid 10572] <... exit_group resumed>) = ? [pid 10580] <... futex resumed>) = ? [pid 10583] <... set_robust_list resumed>) = 0 [pid 10581] <... close resumed>) = 0 [pid 10580] +++ exited with 0 +++ [pid 10572] +++ exited with 0 +++ [pid 10582] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000executing program [pid 10581] write(1, "executing program\n", 18 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10572, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10582] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10581] <... write resumed>) = 18 [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10582] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10581] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10578] <... futex resumed>) = 0 [pid 10578] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10578] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 553] <... restart_syscall resumed>) = 0 [pid 10581] <... futex resumed>) = 0 [pid 10582] <... futex resumed>) = 1 [pid 10582] write(-1, "0x0000000000000001", 18 [pid 10581] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10582] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10582] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10578] <... futex resumed>) = 0 [pid 10578] exit_group(0) = ? [pid 10582] <... futex resumed>) = ? [pid 10581] <... rt_sigaction resumed>NULL, 8) = 0 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10585 ./strace-static-x86_64: Process 10585 attached [pid 10583] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10582] +++ exited with 0 +++ [pid 10581] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10578] +++ exited with 0 +++ [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10578, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10581] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 10581] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 10584 attached [pid 10584] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10584] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10581] <... mmap resumed>) = 0x7f70b113b000 [pid 10584] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10584] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10579] <... futex resumed>) = 0 [pid 10579] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10579] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10584] <... futex resumed>) = 1 [pid 10584] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10581] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10584] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10581] <... mprotect resumed>) = 0 [pid 10579] <... futex resumed>) = 0 [pid 10579] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10581] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10579] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10581] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10581] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10584] <... futex resumed>) = 1 [pid 10584] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10584] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10579] <... futex resumed>) = 0 [pid 10584] write(-1, "0x0000000000000001", 18 [pid 10579] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10584] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10581] <... clone3 resumed> => {parent_tid=[10586]}, 88) = 10586 [pid 10579] <... futex resumed>) = 0 [pid 10584] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10583] <... prctl resumed>) = 0 [pid 10581] rt_sigprocmask(SIG_SETMASK, [], [pid 10579] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10584] <... futex resumed>) = 0 [pid 10583] setpgid(0, 0 [pid 10581] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10579] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10584] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10583] <... setpgid resumed>) = 0 [pid 10581] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10579] exit_group(0 [pid 10584] <... futex resumed>) = ? [pid 10581] <... futex resumed>) = 0 [pid 10579] <... exit_group resumed>) = ? [pid 10584] +++ exited with 0 +++ [pid 10583] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10581] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10579] +++ exited with 0 +++ ./strace-static-x86_64: Process 10586 attached [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10579, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10586] set_robust_list(0x7f70b115b9a0, 24 [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10583] <... openat resumed>) = 3 [pid 10586] <... set_robust_list resumed>) = 0 [pid 10586] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10586] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10586] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10581] <... futex resumed>) = 0 [pid 10581] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10581] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10586] <... futex resumed>) = 1 [pid 10586] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10583] write(3, "1000", 4 [pid 10586] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10581] <... futex resumed>) = 0 [pid 10581] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10581] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10586] <... futex resumed>) = 1 [pid 10586] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10586] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10581] <... futex resumed>) = 0 [pid 10581] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10581] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10586] <... futex resumed>) = 1 [pid 10586] write(-1, "0x0000000000000001", 18 [pid 10583] <... write resumed>) = 4 [pid 10586] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10586] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10581] <... futex resumed>) = 0 [pid 10583] close(3 [pid 10581] exit_group(0 [pid 10585] set_robust_list(0x55556dd196a0, 24 [pid 10583] <... close resumed>) = 0 [pid 10581] <... exit_group resumed>) = ? executing program [pid 555] <... restart_syscall resumed>) = 0 [pid 10585] <... set_robust_list resumed>) = 0 [pid 10583] write(1, "executing program\n", 18) = 18 [pid 10586] <... futex resumed>) = ? [pid 10586] +++ exited with 0 +++ [pid 10585] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10583] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10581] +++ exited with 0 +++ [pid 554] <... restart_syscall resumed>) = 0 [pid 10583] <... futex resumed>) = 0 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10585] <... prctl resumed>) = 0 [pid 10583] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10581, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 551] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 10587 attached [pid 10585] setpgid(0, 0 [pid 10583] <... rt_sigaction resumed>NULL, 8) = 0 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10587 [pid 10583] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10583] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10585] <... setpgid resumed>) = 0 [pid 10585] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10585] write(3, "1000", 4) = 4 [pid 10585] close(3) = 0 [pid 10583] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0executing program [pid 10587] set_robust_list(0x55556dd196a0, 24 [pid 10583] <... mmap resumed>) = 0x7f70b113b000 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10588 [pid 10587] <... set_robust_list resumed>) = 0 [pid 10583] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10585] write(1, "executing program\n", 18 [pid 10583] <... mprotect resumed>) = 0 [pid 10587] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10585] <... write resumed>) = 18 [pid 10585] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10587] <... prctl resumed>) = 0 [pid 10583] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10585] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10583] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10587] setpgid(0, 0 [pid 10583] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10585] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10585] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10585] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10587] <... setpgid resumed>) = 0 [pid 10583] <... clone3 resumed> => {parent_tid=[10589]}, 88) = 10589 [pid 10585] <... mmap resumed>) = 0x7f70b113b000 [pid 10583] rt_sigprocmask(SIG_SETMASK, [], [pid 10585] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10583] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10587] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10585] <... mprotect resumed>) = 0 [pid 10583] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10585] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10583] <... futex resumed>) = 0 ./strace-static-x86_64: Process 10588 attached [pid 10587] <... openat resumed>) = 3 [pid 10583] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10587] write(3, "1000", 4 [pid 10585] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10585] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10590]}, 88) = 10590 [pid 10587] <... write resumed>) = 4 [pid 10585] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10585] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10585] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10587] close(3 [pid 551] <... restart_syscall resumed>) = 0 [pid 10587] <... close resumed>) = 0 [pid 10587] write(1, "executing program\n", 18executing program ) = 18 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10587] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10591 [pid 10588] set_robust_list(0x55556dd196a0, 24) = 0 ./strace-static-x86_64: Process 10591 attached [pid 10588] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10587] <... futex resumed>) = 0 [pid 10588] <... prctl resumed>) = 0 [pid 10588] setpgid(0, 0) = 0 [pid 10588] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10587] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10591] set_robust_list(0x55556dd196a0, 24 [pid 10588] <... openat resumed>) = 3 [pid 10587] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10588] write(3, "1000", 4 [pid 10587] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10588] <... write resumed>) = 4 [pid 10587] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10588] close(3 [pid 10587] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0executing program [pid 10588] <... close resumed>) = 0 [pid 10587] <... mmap resumed>) = 0x7f70b113b000 [pid 10588] write(1, "executing program\n", 18) = 18 [pid 10588] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10588] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10588] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10588] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10588] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10588] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10587] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10591] <... set_robust_list resumed>) = 0 [pid 10587] <... mprotect resumed>) = 0 [pid 10588] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10588] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10587] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10588] <... clone3 resumed> => {parent_tid=[10592]}, 88) = 10592 [pid 10587] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0}./strace-static-x86_64: Process 10589 attached [pid 10588] rt_sigprocmask(SIG_SETMASK, [], [pid 10589] set_robust_list(0x7f70b115b9a0, 24 [pid 10588] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10589] <... set_robust_list resumed>) = 0 [pid 10588] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10587] <... clone3 resumed> => {parent_tid=[10593]}, 88) = 10593 [pid 10589] rt_sigprocmask(SIG_SETMASK, [], [pid 10588] <... futex resumed>) = 0 [pid 10587] rt_sigprocmask(SIG_SETMASK, [], [pid 10589] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10588] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10589] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10587] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10591] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10587] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10591] <... prctl resumed>) = 0 [pid 10589] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10587] <... futex resumed>) = 0 [pid 10589] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10587] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10591] setpgid(0, 0 [pid 10589] <... futex resumed>) = 1 [pid 10591] <... setpgid resumed>) = 0 [pid 10583] <... futex resumed>) = 0 [pid 10589] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 10590 attached [pid 10590] set_robust_list(0x7f70b115b9a0, 24 [pid 10583] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10590] <... set_robust_list resumed>) = 0 [pid 10583] <... futex resumed>) = 1 [pid 10589] <... futex resumed>) = 0 [pid 10591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10583] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10589] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10591] <... openat resumed>) = 3 [pid 10589] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10589] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10583] <... futex resumed>) = 0 [pid 10591] write(3, "1000", 4 [pid 10583] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10589] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10591] <... write resumed>) = 4 [pid 10583] <... futex resumed>) = 0 [pid 10591] close(3 [pid 10589] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10583] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10591] <... close resumed>) = 0 [pid 10590] rt_sigprocmask(SIG_SETMASK, [], [pid 10589] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 10591] write(1, "executing program\n", 18 [pid 10590] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10589] <... futex resumed>) = 1 [pid 10583] <... futex resumed>) = 0 [pid 10590] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10589] write(-1, "0x0000000000000001", 18 [pid 10583] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10591] <... write resumed>) = 18 [pid 10583] <... futex resumed>) = 0 [pid 10590] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10589] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10583] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10591] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10592 attached [pid 10590] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10589] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10593 attached [pid 10592] set_robust_list(0x7f70b115b9a0, 24 [pid 10591] <... futex resumed>) = 0 [pid 10590] <... futex resumed>) = 1 [pid 10589] <... futex resumed>) = 1 [pid 10585] <... futex resumed>) = 0 [pid 10583] <... futex resumed>) = 0 [pid 10592] <... set_robust_list resumed>) = 0 [pid 10590] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10589] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10585] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10592] rt_sigprocmask(SIG_SETMASK, [], [pid 10591] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10585] <... futex resumed>) = 0 [pid 10583] exit_group(0 [pid 10592] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10590] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10585] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10589] <... futex resumed>) = ? [pid 10583] <... exit_group resumed>) = ? [pid 10592] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10591] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10590] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10589] +++ exited with 0 +++ [pid 10592] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10590] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10592] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10590] <... futex resumed>) = 1 [pid 10585] <... futex resumed>) = 0 [pid 10592] <... futex resumed>) = 1 [pid 10590] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10588] <... futex resumed>) = 0 [pid 10585] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10592] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10590] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10588] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10585] <... futex resumed>) = 0 [pid 10583] +++ exited with 0 +++ [pid 10592] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10591] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10590] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10588] <... futex resumed>) = 0 [pid 10585] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10592] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10591] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10590] <... futex resumed>) = 0 [pid 10588] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10585] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10583, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10592] <... futex resumed>) = 0 [pid 10591] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10590] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10588] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10585] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10592] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10591] <... mmap resumed>) = 0x7f70b113b000 [pid 10590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10588] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10585] <... futex resumed>) = 0 [pid 10593] set_robust_list(0x7f70b115b9a0, 24 [pid 10592] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10591] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10590] write(-1, "0x0000000000000001", 18 [pid 10588] <... futex resumed>) = 0 [pid 10585] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10593] <... set_robust_list resumed>) = 0 [pid 10592] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10591] <... mprotect resumed>) = 0 [pid 10590] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10588] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10592] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10590] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10593] rt_sigprocmask(SIG_SETMASK, [], [pid 10592] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10591] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10590] <... futex resumed>) = 1 [pid 10585] <... futex resumed>) = 0 [pid 10593] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10592] <... futex resumed>) = 1 [pid 10591] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10590] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10588] <... futex resumed>) = 0 [pid 10585] exit_group(0 [pid 10593] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10592] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10591] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10590] <... futex resumed>) = ? [pid 10588] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10585] <... exit_group resumed>) = ? [pid 10593] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10592] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10590] +++ exited with 0 +++ [pid 10588] <... futex resumed>) = 0 [pid 10585] +++ exited with 0 +++ [pid 10593] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10592] write(-1, "0x0000000000000001", 18 [pid 10591] <... clone3 resumed> => {parent_tid=[10594]}, 88) = 10594 [pid 10588] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10585, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10593] <... futex resumed>) = 1 [pid 10592] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10591] rt_sigprocmask(SIG_SETMASK, [], [pid 10587] <... futex resumed>) = 0 [pid 10593] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10592] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10591] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10587] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10592] <... futex resumed>) = 1 [pid 10588] <... futex resumed>) = 0 [pid 10592] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10588] exit_group(0 [pid 10593] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10592] <... futex resumed>) = ? [pid 10591] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10588] <... exit_group resumed>) = ? [pid 10587] <... futex resumed>) = 0 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10593] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10592] +++ exited with 0 +++ [pid 10591] <... futex resumed>) = 0 [pid 10588] +++ exited with 0 +++ [pid 10587] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 552] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 10594 attached [pid 10594] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10594] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10588, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10595 [pid 10594] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10593] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10591] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10593] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10594] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10594] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10594] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 10595 attached [pid 10595] set_robust_list(0x55556dd196a0, 24 [pid 10591] <... futex resumed>) = 0 [pid 10593] <... futex resumed>) = 1 [pid 10591] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10587] <... futex resumed>) = 0 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10596 [pid 10593] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10591] <... futex resumed>) = 1 [pid 10587] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10591] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10587] <... futex resumed>) = 0 [pid 10593] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10587] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10594] <... futex resumed>) = 0 [pid 10594] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10593] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10594] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10591] <... futex resumed>) = 0 [pid 10593] <... futex resumed>) = 1 [pid 10591] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10587] <... futex resumed>) = 0 [pid 10593] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10591] <... futex resumed>) = 0 [pid 10594] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10591] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10593] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10587] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10594] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10587] <... futex resumed>) = 0 [pid 10593] write(-1, "0x0000000000000001", 18 [pid 10587] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10594] <... futex resumed>) = 1 [pid 10593] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10591] <... futex resumed>) = 0 [pid 10594] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10593] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10591] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10594] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10594] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10591] <... futex resumed>) = 0 [pid 10593] <... futex resumed>) = 1 [pid 10591] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10587] <... futex resumed>) = 0 [pid 10593] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10587] exit_group(0 [pid 10594] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10587] <... exit_group resumed>) = ? executing program [pid 10593] <... futex resumed>) = ? ./strace-static-x86_64: Process 10596 attached [pid 10595] <... set_robust_list resumed>) = 0 [pid 10594] <... futex resumed>) = 1 [pid 10594] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10591] <... futex resumed>) = 0 [pid 10595] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10591] exit_group(0 [pid 10595] <... prctl resumed>) = 0 [pid 10594] <... futex resumed>) = ? [pid 10591] <... exit_group resumed>) = ? [pid 10594] +++ exited with 0 +++ [pid 10595] setpgid(0, 0) = 0 [pid 10595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10591] +++ exited with 0 +++ [pid 10595] write(3, "1000", 4 [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10591, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10595] <... write resumed>) = 4 [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10595] close(3) = 0 [pid 10595] write(1, "executing program\n", 18 [pid 10593] +++ exited with 0 +++ [pid 10587] +++ exited with 0 +++ [pid 10595] <... write resumed>) = 18 [pid 10595] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10595] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10587, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10595] <... rt_sigaction resumed>NULL, 8) = 0 [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 10595] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10595] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10595] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10596] set_robust_list(0x55556dd196a0, 24 [pid 10595] <... mprotect resumed>) = 0 [pid 10596] <... set_robust_list resumed>) = 0 [pid 10595] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10596] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10595] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10596] <... prctl resumed>) = 0 [pid 10595] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10596] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 10597 attached [pid 10595] <... clone3 resumed> => {parent_tid=[10597]}, 88) = 10597 [pid 10596] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10597] set_robust_list(0x7f70b115b9a0, 24 [pid 10595] rt_sigprocmask(SIG_SETMASK, [], [pid 10596] <... openat resumed>) = 3 [pid 10595] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10597] <... set_robust_list resumed>) = 0 [pid 10596] write(3, "1000", 4 [pid 10595] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10597] rt_sigprocmask(SIG_SETMASK, [], [pid 10596] <... write resumed>) = 4 [pid 10595] <... futex resumed>) = 0 [pid 10597] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10596] close(3 [pid 10597] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10596] <... close resumed>) = 0 executing program [pid 10595] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 555] <... restart_syscall resumed>) = 0 [pid 10597] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10596] write(1, "executing program\n", 18 [pid 554] <... restart_syscall resumed>) = 0 [pid 10596] <... write resumed>) = 18 [pid 10597] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10596] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10597] <... futex resumed>) = 1 [pid 10595] <... futex resumed>) = 0 [pid 10597] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10596] <... futex resumed>) = 0 [pid 10595] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10598 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10599 [pid 10596] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10595] <... futex resumed>) = 0 [pid 10597] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10596] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10595] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10597] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10596] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10595] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10597] <... futex resumed>) = 0 [pid 10596] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10595] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10596] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10597] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10595] <... futex resumed>) = 0 [pid 10596] <... mmap resumed>) = 0x7f70b113b000 [pid 10595] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10596] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 10598 attached [pid 10597] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10596] <... mprotect resumed>) = 0 [pid 10598] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10597] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10596] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10597] <... futex resumed>) = 1 [pid 10595] <... futex resumed>) = 0 [pid 10597] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10596] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10595] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10598] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10595] <... futex resumed>) = 0 [pid 10597] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10596] <... clone3 resumed> => {parent_tid=[10600]}, 88) = 10600 [pid 10595] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10596] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10597] write(-1, "0x0000000000000001", 18 [pid 10596] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10598] setpgid(0, 0 [pid 10597] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10596] <... futex resumed>) = 0 [pid 10598] <... setpgid resumed>) = 0 [pid 10597] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10596] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10597] <... futex resumed>) = 1 [pid 10595] <... futex resumed>) = 0 [pid 10598] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10597] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10595] exit_group(0 [pid 10598] <... openat resumed>) = 3 [pid 10597] <... futex resumed>) = ? [pid 10595] <... exit_group resumed>) = ? executing program [pid 10598] write(3, "1000", 4) = 4 [pid 10598] close(3) = 0 [pid 10598] write(1, "executing program\n", 18) = 18 [pid 10598] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10598] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10598] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10597] +++ exited with 0 +++ [pid 10595] +++ exited with 0 +++ [pid 10598] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10595, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 551] <... restart_syscall resumed>) = 0 [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10598] <... mmap resumed>) = 0x7f70b113b000 [pid 10598] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 553] <... restart_syscall resumed>) = 0 [pid 10598] <... mprotect resumed>) = 0 [pid 10598] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10598] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10601 [pid 10598] <... clone3 resumed> => {parent_tid=[10602]}, 88) = 10602 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10598] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10598] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10598] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10599 attached [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10603 [pid 10599] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10599] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 10603 attached ) = 0 [pid 10599] setpgid(0, 0) = 0 [pid 10603] set_robust_list(0x55556dd196a0, 24 [pid 10599] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 10601 attached [pid 10603] <... set_robust_list resumed>) = 0 [pid 10601] set_robust_list(0x55556dd196a0, 24 [pid 10599] <... openat resumed>) = 3 [pid 10599] write(3, "1000", 4) = 4 [pid 10599] close(3) = 0 executing program [pid 10599] write(1, "executing program\n", 18) = 18 [pid 10599] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10599] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10599] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10599] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10599] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10603] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10601] <... set_robust_list resumed>) = 0 [pid 10599] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10599] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10603] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 10600 attached [pid 10600] set_robust_list(0x7f70b115b9a0, 24 [pid 10601] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10599] <... clone3 resumed> => {parent_tid=[10604]}, 88) = 10604 [pid 10600] <... set_robust_list resumed>) = 0 [pid 10599] rt_sigprocmask(SIG_SETMASK, [], [pid 10600] rt_sigprocmask(SIG_SETMASK, [], [pid 10599] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10600] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10599] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10600] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10599] <... futex resumed>) = 0 [pid 10599] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10600] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10600] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10596] <... futex resumed>) = 0 [pid 10603] setpgid(0, 0 [pid 10596] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10603] <... setpgid resumed>) = 0 [pid 10596] <... futex resumed>) = 0 [pid 10600] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10596] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10600] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10600] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10600] <... futex resumed>) = 1 [pid 10596] <... futex resumed>) = 0 [pid 10600] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10596] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10603] <... openat resumed>) = 3 [pid 10596] <... futex resumed>) = 0 [pid 10603] write(3, "1000", 4 [pid 10600] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10596] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10603] <... write resumed>) = 4 [pid 10600] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10600] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10596] <... futex resumed>) = 0 [pid 10603] close(3 [pid 10596] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10600] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10596] <... futex resumed>) = 0 [pid 10603] <... close resumed>) = 0 [pid 10596] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10603] write(1, "executing program\n", 18 [pid 10600] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) executing program [pid 10600] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10596] <... futex resumed>) = 0 [pid 10603] <... write resumed>) = 18 [pid 10601] <... prctl resumed>) = 0 [pid 10596] exit_group(0) = ? [pid 10603] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10600] +++ exited with 0 +++ ./strace-static-x86_64: Process 10602 attached [pid 10602] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10602] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10602] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10602] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10598] <... futex resumed>) = 0 [pid 10598] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10596] +++ exited with 0 +++ [pid 10603] <... futex resumed>) = 0 [pid 10598] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10603] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10596, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10603] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10601] setpgid(0, 0 [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10603] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10602] <... futex resumed>) = 1 [pid 10601] <... setpgid resumed>) = 0 [pid 10603] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10602] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10603] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10602] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10602] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10598] <... futex resumed>) = 0 [pid 10602] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10598] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10602] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10598] <... futex resumed>) = 0 [pid 10602] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10598] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10602] <... futex resumed>) = 0 [pid 10598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10602] write(-1, "0x0000000000000001", 18 [pid 10598] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10603] <... mmap resumed>) = 0x7f70b113b000 [pid 10602] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10598] <... futex resumed>) = 0 [pid 10602] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10598] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10602] <... futex resumed>) = 0 [pid 10598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10603] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10602] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10601] <... openat resumed>) = 3 [pid 10598] exit_group(0 [pid 10602] <... futex resumed>) = ? [pid 10598] <... exit_group resumed>) = ? [pid 10603] <... mprotect resumed>) = 0 [pid 10602] +++ exited with 0 +++ [pid 10601] write(3, "1000", 4 [pid 10598] +++ exited with 0 +++ ./strace-static-x86_64: Process 10604 attached [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10598, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10603] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10601] <... write resumed>) = 4 [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 10604] set_robust_list(0x7f70b115b9a0, 24 [pid 10603] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10601] close(3 [pid 10604] <... set_robust_list resumed>) = 0 [pid 10604] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10604] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10604] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10599] <... futex resumed>) = 0 [pid 10604] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10603] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10601] <... close resumed>) = 0 [pid 10599] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10604] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10599] <... futex resumed>) = 0 [pid 10604] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10599] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10604] <... futex resumed>) = 0 [pid 10599] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10604] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10599] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10604] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10599] <... futex resumed>) = 0 [pid 10604] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10599] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10604] <... futex resumed>) = 0 [pid 10599] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10604] write(-1, "0x0000000000000001", 18 [pid 10599] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 10604] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10599] <... futex resumed>) = 0 [pid 10604] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10599] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10604] <... futex resumed>) = 0 [pid 10601] write(1, "executing program\n", 18 [pid 10599] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10604] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10603] <... clone3 resumed> => {parent_tid=[10605]}, 88) = 10605 [pid 10601] <... write resumed>) = 18 [pid 10599] exit_group(0 [pid 552] <... restart_syscall resumed>) = 0 [pid 10604] <... futex resumed>) = ? [pid 10603] rt_sigprocmask(SIG_SETMASK, [], [pid 10601] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10599] <... exit_group resumed>) = ? [pid 10604] +++ exited with 0 +++ [pid 10603] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10601] <... futex resumed>) = 0 [pid 10599] +++ exited with 0 +++ [pid 10603] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10601] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10599, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10603] <... futex resumed>) = 0 [pid 10601] <... rt_sigaction resumed>NULL, 8) = 0 [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10603] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10601] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 10605 attached [pid 10605] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10605] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10605] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10605] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10603] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10606 [pid 10603] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10601] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10603] <... futex resumed>) = 0 [pid 10601] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10603] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10601] <... mmap resumed>) = 0x7f70b113b000 [pid 10605] <... futex resumed>) = 1 [pid 10603] <... futex resumed>) = 0 [pid 10601] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10605] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10603] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10601] <... mprotect resumed>) = 0 [pid 10605] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10605] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10605] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 10606 attached [pid 10606] set_robust_list(0x55556dd196a0, 24 [pid 10603] <... futex resumed>) = 0 [pid 10601] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10603] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10601] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10603] <... futex resumed>) = 1 [pid 10601] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10603] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10605] <... futex resumed>) = 0 [pid 10605] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10605] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10603] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10601] <... clone3 resumed> => {parent_tid=[10607]}, 88) = 10607 [pid 10603] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10601] rt_sigprocmask(SIG_SETMASK, [], [pid 10603] <... futex resumed>) = 0 [pid 10601] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10603] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10601] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10605] <... futex resumed>) = 1 [pid 10603] <... futex resumed>) = 0 [pid 10601] <... futex resumed>) = 0 [pid 10603] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=49000000} [pid 10601] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10605] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10605] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10603] <... futex resumed>) = 0 [pid 10605] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10603] exit_group(0) = ? [pid 10605] <... futex resumed>) = ? [pid 10605] +++ exited with 0 +++ [pid 10606] <... set_robust_list resumed>) = 0 [pid 10606] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10606] setpgid(0, 0) = 0 [pid 10603] +++ exited with 0 +++ [pid 10606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10603, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10606] write(3, "1000", 4 [pid 553] restart_syscall(<... resuming interrupted clone ...>executing program [pid 10606] <... write resumed>) = 4 [pid 10606] close(3) = 0 [pid 10606] write(1, "executing program\n", 18) = 18 [pid 10606] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10606] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10606] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10606] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10606] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10606] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10606] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 554] <... restart_syscall resumed>) = 0 [pid 555] <... restart_syscall resumed>) = 0 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10609 ./strace-static-x86_64: Process 10609 attached [pid 10606] <... clone3 resumed> => {parent_tid=[10608]}, 88) = 10608 [pid 10606] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10606] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10610 [pid 10606] <... futex resumed>) = 0 [pid 10606] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10607 attached [pid 10607] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10607] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10607] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10609] set_robust_list(0x55556dd196a0, 24 [pid 10607] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10607] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10601] <... futex resumed>) = 0 [pid 10607] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10601] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10601] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10607] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10607] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10601] <... futex resumed>) = 0 [pid 10607] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10601] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10601] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10607] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10607] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10601] <... futex resumed>) = 0 [pid 10601] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10601] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10607] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10607] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10601] <... futex resumed>) = 0 [pid 10607] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10601] exit_group(0) = ? [pid 10607] <... futex resumed>) = ? [pid 10609] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 10610 attached [pid 10609] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10610] set_robust_list(0x55556dd196a0, 24 [pid 10607] +++ exited with 0 +++ [pid 10601] +++ exited with 0 +++ ./strace-static-x86_64: Process 10608 attached [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10601, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10608] set_robust_list(0x7f70b115b9a0, 24 [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10608] <... set_robust_list resumed>) = 0 [pid 10608] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10608] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10608] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10609] setpgid(0, 0 [pid 10606] <... futex resumed>) = 0 [pid 10606] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10606] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10608] <... futex resumed>) = 1 [pid 10608] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10608] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10606] <... futex resumed>) = 0 [pid 10606] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10606] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 553] <... restart_syscall resumed>) = 0 [pid 551] <... restart_syscall resumed>) = 0 [pid 10609] <... setpgid resumed>) = 0 [pid 10608] <... futex resumed>) = 1 [pid 10609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10610] <... set_robust_list resumed>) = 0 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10611 [pid 10608] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10608] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10612 [pid 10609] <... openat resumed>) = 3 [pid 10609] write(3, "1000", 4 [pid 10606] <... futex resumed>) = 0 [pid 10606] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10606] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10608] <... futex resumed>) = 1 [pid 10609] <... write resumed>) = 4 [pid 10608] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10608] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10606] <... futex resumed>) = 0 [pid 10606] exit_group(0) = ? [pid 10609] close(3 [pid 10608] <... futex resumed>) = ? ./strace-static-x86_64: Process 10612 attached [pid 10610] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10609] <... close resumed>) = 0 [pid 10608] +++ exited with 0 +++ [pid 10606] +++ exited with 0 +++ ./strace-static-x86_64: Process 10611 attached executing program [pid 10609] write(1, "executing program\n", 18 [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10606, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10609] <... write resumed>) = 18 [pid 10611] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10611] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10611] setpgid(0, 0) = 0 [pid 10609] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10610] <... prctl resumed>) = 0 [pid 10609] <... futex resumed>) = 0 [pid 10612] set_robust_list(0x55556dd196a0, 24executing program [pid 10611] write(3, "1000", 4) = 4 [pid 10611] close(3) = 0 [pid 10611] write(1, "executing program\n", 18) = 18 [pid 10611] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10611] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10611] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10611] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10611] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10611] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10611] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10613]}, 88) = 10613 [pid 10611] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10611] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10611] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10609] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10610] setpgid(0, 0 [pid 10609] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10610] <... setpgid resumed>) = 0 [pid 10609] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10609] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10610] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10609] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 10613 attached ) = 0 [pid 10613] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10613] rt_sigprocmask(SIG_SETMASK, [], [pid 10609] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10609] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10613] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10613] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10610] <... openat resumed>) = 3 [pid 10609] <... clone3 resumed> => {parent_tid=[10614]}, 88) = 10614 [pid 10610] write(3, "1000", 4 [pid 10609] rt_sigprocmask(SIG_SETMASK, [], [pid 10613] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10609] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10610] <... write resumed>) = 4 [pid 10609] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10610] close(3 [pid 10609] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10613] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10610] <... close resumed>) = 0 [pid 10611] <... futex resumed>) = 0 [pid 10611] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10611] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10613] <... futex resumed>) = 1 [pid 10613] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10613] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10611] <... futex resumed>) = 0 [pid 10611] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10611] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10613] <... futex resumed>) = 1 [pid 10613] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10613] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10611] <... futex resumed>) = 0 [pid 10611] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10611] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10613] <... futex resumed>) = 1 executing program [pid 10613] write(-1, "0x0000000000000001", 18 [pid 10610] write(1, "executing program\n", 18 [pid 10612] <... set_robust_list resumed>) = 0 [pid 10613] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10613] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10610] <... write resumed>) = 18 [pid 10611] <... futex resumed>) = 0 [pid 10611] exit_group(0) = ? [pid 10613] <... futex resumed>) = ? [pid 10610] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10612] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10613] +++ exited with 0 +++ [pid 10611] +++ exited with 0 +++ [pid 10610] <... futex resumed>) = 0 [pid 10612] <... prctl resumed>) = 0 [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10611, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 551] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 10614 attached [pid 10614] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10614] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10614] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10614] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10609] <... futex resumed>) = 0 [pid 10612] setpgid(0, 0 [pid 10610] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10609] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10612] <... setpgid resumed>) = 0 [pid 10610] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10610] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10609] <... futex resumed>) = 0 [pid 10609] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10610] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10610] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10614] <... futex resumed>) = 1 [pid 10614] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10612] <... openat resumed>) = 3 [pid 10610] <... mmap resumed>) = 0x7f70b113b000 [pid 10614] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10610] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10612] write(3, "1000", 4 [pid 10610] <... mprotect resumed>) = 0 [pid 551] <... restart_syscall resumed>) = 0 [pid 10612] <... write resumed>) = 4 [pid 10610] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10612] close(3 [pid 10610] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 552] <... restart_syscall resumed>) = 0 [pid 10612] <... close resumed>) = 0 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 10612] write(1, "executing program\n", 18 [pid 10610] <... clone3 resumed> => {parent_tid=[10615]}, 88) = 10615 [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10612] <... write resumed>) = 18 [pid 10610] rt_sigprocmask(SIG_SETMASK, [], [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10616 [pid 10614] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10609] <... futex resumed>) = 0 [pid 10609] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10609] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10614] <... futex resumed>) = 1 [pid 10614] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10610] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10612] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10610] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10617 [pid 10612] <... futex resumed>) = 0 [pid 10610] <... futex resumed>) = 0 [pid 10610] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10612] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10614] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10614] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10609] <... futex resumed>) = 0 [pid 10609] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10609] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10614] <... futex resumed>) = 1 [pid 10614] write(-1, "0x0000000000000001", 18 [pid 10612] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 10616 attached [pid 10614] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10614] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10609] <... futex resumed>) = 0 [pid 10609] exit_group(0) = ? [pid 10612] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10614] <... futex resumed>) = ? [pid 10612] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10612] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10612] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10612] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10616] set_robust_list(0x55556dd196a0, 24 [pid 10612] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10614] +++ exited with 0 +++ [pid 10609] +++ exited with 0 +++ [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10609, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 554] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 10617 attached [pid 10617] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10617] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10617] setpgid(0, 0) = 0 [pid 10617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10616] <... set_robust_list resumed>) = 0 [pid 10612] <... clone3 resumed> => {parent_tid=[10618]}, 88) = 10618 [pid 554] <... restart_syscall resumed>) = 0 [pid 10612] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10612] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10616] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10612] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10619 [pid 10616] <... prctl resumed>) = 0 [pid 10617] <... openat resumed>) = 3 [pid 10617] write(3, "1000", 4) = 4 [pid 10616] setpgid(0, 0 [pid 10617] close(3) = 0 [pid 10617] write(1, "executing program\n", 18executing program ) = 18 [pid 10617] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10617] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10617] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10617] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10617] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10617] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10616] <... setpgid resumed>) = 0 [pid 10617] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10617] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10620]}, 88) = 10620 [pid 10616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10617] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10617] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10617] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10615 attached [pid 10615] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10615] rt_sigprocmask(SIG_SETMASK, [], [pid 10616] <... openat resumed>) = 3 [pid 10615] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10615] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10615] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10610] <... futex resumed>) = 0 [pid 10616] write(3, "1000", 4 [pid 10615] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 10618 attached [pid 10610] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10616] <... write resumed>) = 4 [pid 10610] <... futex resumed>) = 1 [pid 10616] close(3 [pid 10615] <... futex resumed>) = 0 [pid 10610] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10615] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10616] <... close resumed>) = 0 executing program [pid 10615] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10615] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10610] <... futex resumed>) = 0 [pid 10616] write(1, "executing program\n", 18 [pid 10610] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10615] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10616] <... write resumed>) = 18 [pid 10610] <... futex resumed>) = 0 [pid 10615] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10615] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10610] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10616] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10610] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10615] <... futex resumed>) = 0 [pid 10610] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10616] <... futex resumed>) = 0 [pid 10610] <... futex resumed>) = 0 [pid 10616] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10615] write(-1, "0x0000000000000001", 18 [pid 10610] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10616] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10615] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10615] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10615] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10610] <... futex resumed>) = 0 [pid 10616] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10610] exit_group(0 [pid 10616] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10610] <... exit_group resumed>) = ? [pid 10616] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10615] <... futex resumed>) = ? [pid 10616] <... mmap resumed>) = 0x7f70b113b000 [pid 10616] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10615] +++ exited with 0 +++ [pid 10610] +++ exited with 0 +++ [pid 10616] <... mprotect resumed>) = 0 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10610, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 10618] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10616] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10616] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10618] rt_sigprocmask(SIG_SETMASK, [], [pid 10616] <... clone3 resumed> => {parent_tid=[10621]}, 88) = 10621 [pid 10618] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10618] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10616] rt_sigprocmask(SIG_SETMASK, [], [pid 10618] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10616] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10616] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10618] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10616] <... futex resumed>) = 0 [pid 10616] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10618] <... futex resumed>) = 1 [pid 10612] <... futex resumed>) = 0 [pid 10618] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 10619 attached [pid 10612] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10619] set_robust_list(0x55556dd196a0, 24 [pid 10612] <... futex resumed>) = 1 [pid 10618] <... futex resumed>) = 0 [pid 10612] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10618] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10618] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10612] <... futex resumed>) = 0 [pid 10618] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10619] <... set_robust_list resumed>) = 0 [pid 10612] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10619] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10612] <... futex resumed>) = 1 ./strace-static-x86_64: Process 10621 attached [pid 10612] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10618] <... futex resumed>) = 0 [pid 10618] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10621] set_robust_list(0x7f70b115b9a0, 24 [pid 10618] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10618] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10612] <... futex resumed>) = 0 [pid 10618] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10612] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10618] write(-1, "0x0000000000000001", 18 [pid 10612] <... futex resumed>) = 0 [pid 10618] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10612] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10618] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10618] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10619] <... prctl resumed>) = 0 [pid 10612] <... futex resumed>) = 0 [pid 10619] setpgid(0, 0 [pid 10612] exit_group(0 [pid 10619] <... setpgid resumed>) = 0 [pid 10618] <... futex resumed>) = ? [pid 10612] <... exit_group resumed>) = ? executing program [pid 10618] +++ exited with 0 +++ [pid 10619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10619] write(3, "1000", 4) = 4 [pid 10619] close(3) = 0 [pid 10612] +++ exited with 0 +++ [pid 10619] write(1, "executing program\n", 18) = 18 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10612, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10619] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10619] <... futex resumed>) = 0 [pid 10619] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10619] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10619] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 ./strace-static-x86_64: Process 10620 attached [pid 10619] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10621] <... set_robust_list resumed>) = 0 [pid 10620] set_robust_list(0x7f70b115b9a0, 24 [pid 10619] <... mprotect resumed>) = 0 [pid 10620] <... set_robust_list resumed>) = 0 [pid 10619] rt_sigprocmask(SIG_BLOCK, ~[], [pid 555] <... restart_syscall resumed>) = 0 [pid 10620] rt_sigprocmask(SIG_SETMASK, [], [pid 10619] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10620] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10619] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10620] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10619] <... clone3 resumed> => {parent_tid=[10622]}, 88) = 10622 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10621] rt_sigprocmask(SIG_SETMASK, [], [pid 10620] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10619] rt_sigprocmask(SIG_SETMASK, [], [pid 10620] <... futex resumed>) = 1 [pid 10619] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10617] <... futex resumed>) = 0 [pid 10620] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10619] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10617] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10620] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10619] <... futex resumed>) = 0 [pid 10617] <... futex resumed>) = 0 [pid 10620] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10619] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10617] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10623 [pid 10620] <... futex resumed>) = 0 [pid 10617] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10620] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10617] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10620] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10617] <... futex resumed>) = 0 [pid 10620] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10617] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10620] <... futex resumed>) = 0 [pid 10617] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10620] write(-1, "0x0000000000000001", 18 [pid 10617] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10620] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10617] <... futex resumed>) = 0 [pid 10620] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10617] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10620] <... futex resumed>) = 0 [pid 10617] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10620] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10617] exit_group(0 [pid 10620] <... futex resumed>) = ? [pid 10617] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 10623 attached [pid 10621] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10620] +++ exited with 0 +++ [pid 10617] +++ exited with 0 +++ ./strace-static-x86_64: Process 10622 attached [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10617, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10621] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10622] set_robust_list(0x7f70b115b9a0, 24 [pid 10621] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10622] <... set_robust_list resumed>) = 0 [pid 10622] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10622] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10621] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10622] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10622] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10619] <... futex resumed>) = 0 [pid 10619] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10619] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10622] <... futex resumed>) = 1 [pid 10622] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10616] <... futex resumed>) = 0 [pid 10621] <... futex resumed>) = 1 [pid 10622] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10619] <... futex resumed>) = 0 [pid 10619] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10616] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10621] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10619] <... futex resumed>) = 0 [pid 10616] <... futex resumed>) = 0 [pid 10619] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10616] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10621] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10622] <... futex resumed>) = 1 [pid 10622] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10622] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10619] <... futex resumed>) = 0 [pid 10619] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10619] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10622] <... futex resumed>) = 1 [pid 10622] write(-1, "0x0000000000000001", 18 [pid 10621] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10622] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10622] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10621] <... futex resumed>) = 1 [pid 10616] <... futex resumed>) = 0 [pid 10621] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10619] <... futex resumed>) = 0 [pid 10616] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10619] exit_group(0 [pid 10616] <... futex resumed>) = 0 [pid 553] <... restart_syscall resumed>) = 0 [pid 10622] <... futex resumed>) = ? [pid 10621] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10619] <... exit_group resumed>) = ? [pid 10616] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10623] set_robust_list(0x55556dd196a0, 24 [pid 10622] +++ exited with 0 +++ [pid 10621] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10619] +++ exited with 0 +++ [pid 10616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 552] <... restart_syscall resumed>) = 0 [pid 10621] <... futex resumed>) = 0 [pid 10616] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10619, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10621] write(-1, "0x0000000000000001", 18 [pid 10616] <... futex resumed>) = 0 [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10623] <... set_robust_list resumed>) = 0 [pid 10623] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10623] setpgid(0, 0) = 0 [pid 10623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10621] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10616] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10624 [pid 10623] <... openat resumed>) = 3 [pid 10621] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10624 attached [pid 10623] write(3, "1000", 4 [pid 10621] <... futex resumed>) = 1 [pid 10616] <... futex resumed>) = 0 [pid 10623] <... write resumed>) = 4 [pid 10623] close(3) = 0 [pid 10623] write(1, "executing program\n", 18) = 18 [pid 10623] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10623] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10621] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10616] exit_group(0 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10625 [pid 10621] <... futex resumed>) = ? [pid 10616] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 10625 attached [pid 10624] set_robust_list(0x55556dd196a0, 24 [pid 10623] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 554] <... restart_syscall resumed>) = 0 [pid 10623] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10623] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10626 attached [pid 10623] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10625] set_robust_list(0x55556dd196a0, 24 [pid 10621] +++ exited with 0 +++ [pid 10624] <... set_robust_list resumed>) = 0 [pid 10616] +++ exited with 0 +++ [pid 10623] <... mprotect resumed>) = 0 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10626 [pid 10624] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10616, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10623] rt_sigprocmask(SIG_BLOCK, ~[], [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10624] <... prctl resumed>) = 0 [pid 10623] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10623] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10627]}, 88) = 10627 [pid 10623] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10623] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10623] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10627 attached [pid 10627] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10627] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10627] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10623] <... futex resumed>) = 0 [pid 10623] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10623] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10627] <... futex resumed>) = 1 [pid 10627] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10627] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10623] <... futex resumed>) = 0 [pid 10623] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10623] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10627] <... futex resumed>) = 1 [pid 10627] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10627] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10623] <... futex resumed>) = 0 [pid 10623] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10623] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10627] <... futex resumed>) = 1 [pid 10627] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10627] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10623] <... futex resumed>) = 0 [pid 10623] exit_group(0) = ? [pid 10627] <... futex resumed>) = ? [pid 10624] setpgid(0, 0 [pid 10625] <... set_robust_list resumed>) = 0 [pid 10624] <... setpgid resumed>) = 0 [pid 10624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10625] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10624] <... openat resumed>) = 3 [pid 10625] <... prctl resumed>) = 0 [pid 10624] write(3, "1000", 4 [pid 10627] +++ exited with 0 +++ [pid 10624] <... write resumed>) = 4 [pid 10623] +++ exited with 0 +++ [pid 10625] setpgid(0, 0executing program [pid 10624] close(3 [pid 10626] set_robust_list(0x55556dd196a0, 24 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10623, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10624] <... close resumed>) = 0 [pid 10625] <... setpgid resumed>) = 0 [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 10624] write(1, "executing program\n", 18 [pid 10626] <... set_robust_list resumed>) = 0 [pid 10625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10624] <... write resumed>) = 18 [pid 10624] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10626] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10625] <... openat resumed>) = 3 [pid 10624] <... futex resumed>) = 0 [pid 10624] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10625] write(3, "1000", 4 [pid 10624] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10625] <... write resumed>) = 4 [pid 10624] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10626] setpgid(0, 0 [pid 10624] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10626] <... setpgid resumed>) = 0 [pid 10625] close(3executing program [pid 10624] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10625] <... close resumed>) = 0 [pid 10624] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10625] write(1, "executing program\n", 18 [pid 10624] <... mprotect resumed>) = 0 [pid 10626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10624] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10625] <... write resumed>) = 18 [pid 10624] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10625] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10624] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10625] <... futex resumed>) = 0 [pid 10624] <... clone3 resumed> => {parent_tid=[10628]}, 88) = 10628 [pid 10624] rt_sigprocmask(SIG_SETMASK, [], [pid 10625] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10624] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10624] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10625] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10624] <... futex resumed>) = 0 [pid 10625] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10624] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10626] <... openat resumed>) = 3 [pid 10626] write(3, "1000", 4 [pid 10625] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10625] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10626] <... write resumed>) = 4 [pid 10625] <... mmap resumed>) = 0x7f70b113b000 [pid 10626] close(3executing program [pid 10625] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10626] <... close resumed>) = 0 [pid 10625] <... mprotect resumed>) = 0 [pid 10626] write(1, "executing program\n", 18) = 18 [pid 10626] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10625] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10626] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10625] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10626] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10625] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10626] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10626] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10625] <... clone3 resumed> => {parent_tid=[10629]}, 88) = 10629 [pid 10625] rt_sigprocmask(SIG_SETMASK, [], [pid 10626] <... mmap resumed>) = 0x7f70b113b000 [pid 10625] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10626] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10625] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10626] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 10629 attached ./strace-static-x86_64: Process 10628 attached [pid 10625] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10626] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10626] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10630]}, 88) = 10630 [pid 10626] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10626] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10626] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10628] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10628] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7./strace-static-x86_64: Process 10630 attached , buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10628] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10624] <... futex resumed>) = 0 [pid 10624] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10624] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10628] <... futex resumed>) = 1 [pid 10628] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10628] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10624] <... futex resumed>) = 0 [pid 10624] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10624] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10628] <... futex resumed>) = 1 [pid 10628] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10628] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] <... restart_syscall resumed>) = 0 [pid 10630] set_robust_list(0x7f70b115b9a0, 24 [pid 10629] set_robust_list(0x7f70b115b9a0, 24 [pid 10628] <... futex resumed>) = 1 [pid 10624] <... futex resumed>) = 0 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10628] write(-1, "0x0000000000000001", 18 [pid 10624] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] <... restart_syscall resumed>) = 0 [pid 10630] <... set_robust_list resumed>) = 0 [pid 10629] <... set_robust_list resumed>) = 0 [pid 10628] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10624] <... futex resumed>) = 0 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10631 [pid 10624] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10628] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10624] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10628] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10624] exit_group(0./strace-static-x86_64: Process 10631 attached [pid 10631] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10631] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10631] setpgid(0, 0 [pid 10628] <... futex resumed>) = ? [pid 10624] <... exit_group resumed>) = ? [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10632 [pid 10631] <... setpgid resumed>) = 0 [pid 10631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10631] write(3, "1000", 4) = 4 [pid 10631] close(3) = 0 [pid 10628] +++ exited with 0 +++ [pid 10624] +++ exited with 0 +++ executing program [pid 10631] write(1, "executing program\n", 18 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10624, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10631] <... write resumed>) = 18 [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10631] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10631] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10631] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10631] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10631] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10631] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10630] rt_sigprocmask(SIG_SETMASK, [], [pid 10631] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10631] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10633]}, 88) = 10633 ./strace-static-x86_64: Process 10632 attached [pid 10630] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10629] rt_sigprocmask(SIG_SETMASK, [], [pid 10631] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10631] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10631] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10633 attached [pid 10633] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10633] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10633] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10633] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10631] <... futex resumed>) = 0 [pid 10631] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10631] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10633] <... futex resumed>) = 1 [pid 10633] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10633] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10631] <... futex resumed>) = 0 [pid 10631] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10631] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10633] <... futex resumed>) = 1 [pid 10630] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10629] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10632] set_robust_list(0x55556dd196a0, 24 [pid 10633] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10633] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10631] <... futex resumed>) = 0 [pid 10631] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10631] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10633] <... futex resumed>) = 1 [pid 10633] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10633] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10631] <... futex resumed>) = 0 [pid 10631] exit_group(0) = ? [pid 10633] <... futex resumed>) = ? [pid 10630] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10629] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10632] <... set_robust_list resumed>) = 0 [pid 10630] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10629] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10626] <... futex resumed>) = 0 [pid 10632] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10630] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10629] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10632] <... prctl resumed>) = 0 [pid 10626] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10626] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10630] <... futex resumed>) = 0 [pid 10630] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10630] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10626] <... futex resumed>) = 0 [pid 10626] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10626] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10630] <... futex resumed>) = 1 [pid 10630] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10630] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10626] <... futex resumed>) = 0 [pid 10626] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10626] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10630] <... futex resumed>) = 1 [pid 10630] write(-1, "0x0000000000000001", 18 [pid 10625] <... futex resumed>) = 0 [pid 10629] <... futex resumed>) = 1 [pid 10632] setpgid(0, 0 [pid 10629] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10625] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10632] <... setpgid resumed>) = 0 [pid 10625] <... futex resumed>) = 0 [pid 10629] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10625] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10630] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10629] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10629] <... futex resumed>) = 1 [pid 10625] <... futex resumed>) = 0 [pid 10630] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10629] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10625] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10632] <... openat resumed>) = 3 [pid 10625] <... futex resumed>) = 0 [pid 10632] write(3, "1000", 4 [pid 10629] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10625] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10632] <... write resumed>) = 4 [pid 10629] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10632] close(3 [pid 10629] <... futex resumed>) = 0 [pid 10625] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10632] <... close resumed>) = 0 [pid 10629] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10625] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10626] <... futex resumed>) = 0 [pid 10626] exit_group(0) = ? executing program [pid 10625] <... futex resumed>) = 0 [pid 10629] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10632] write(1, "executing program\n", 18 [pid 10625] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10632] <... write resumed>) = 18 [pid 10629] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10632] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10629] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10630] <... futex resumed>) = ? [pid 10632] <... futex resumed>) = 0 [pid 10630] +++ exited with 0 +++ [pid 10633] +++ exited with 0 +++ [pid 10631] +++ exited with 0 +++ [pid 10629] <... futex resumed>) = 1 [pid 10626] +++ exited with 0 +++ [pid 10625] <... futex resumed>) = 0 [pid 10632] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10629] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10625] exit_group(0 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10626, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10631, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10632] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10629] <... futex resumed>) = ? [pid 10625] <... exit_group resumed>) = ? [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 554] <... restart_syscall resumed>) = 0 [pid 551] <... restart_syscall resumed>) = 0 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10632] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10629] +++ exited with 0 +++ [pid 10625] +++ exited with 0 +++ [pid 553] <... restart_syscall resumed>) = 0 [pid 10632] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10634 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10634 attached ./strace-static-x86_64: Process 10635 attached [pid 10632] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10625, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10632] <... mmap resumed>) = 0x7f70b113b000 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10635 [pid 10632] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10635] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10635] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10632] <... mprotect resumed>) = 0 [pid 10635] <... prctl resumed>) = 0 [pid 10635] setpgid(0, 0) = 0 [pid 10632] rt_sigprocmask(SIG_BLOCK, ~[], [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10636 [pid 10632] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10632] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10634] set_robust_list(0x55556dd196a0, 24 [pid 10632] <... clone3 resumed> => {parent_tid=[10637]}, 88) = 10637 [pid 10635] write(3, "1000", 4) = 4 [pid 10635] close(3) = 0 executing program [pid 10635] write(1, "executing program\n", 18) = 18 [pid 10635] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10635] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10635] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10635] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10635] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10635] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10634] <... set_robust_list resumed>) = 0 [pid 10632] rt_sigprocmask(SIG_SETMASK, [], [pid 10635] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10635] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10632] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10635] <... clone3 resumed> => {parent_tid=[10638]}, 88) = 10638 [pid 10635] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10635] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10635] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10632] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10637 attached [pid 10637] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10637] rt_sigprocmask(SIG_SETMASK, [], [pid 10632] <... futex resumed>) = 0 [pid 10637] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10632] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10637] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10637] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10632] <... futex resumed>) = 0 [pid 10637] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10632] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10637] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10632] <... futex resumed>) = 0 [pid 10637] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10632] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10637] <... futex resumed>) = 0 [pid 10632] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10637] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10632] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10637] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10632] <... futex resumed>) = 0 [pid 10637] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10632] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10637] <... futex resumed>) = 0 [pid 10637] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 10638 attached [pid 10632] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10638] set_robust_list(0x7f70b115b9a0, 24 [pid 10632] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10638] <... set_robust_list resumed>) = 0 [pid 10632] <... futex resumed>) = 1 [pid 10637] <... futex resumed>) = 0 [pid 10632] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10637] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10637] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10637] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10632] <... futex resumed>) = 0 [pid 10638] rt_sigprocmask(SIG_SETMASK, [], [pid 10632] exit_group(0 [pid 10638] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10632] <... exit_group resumed>) = ? [pid 10637] <... futex resumed>) = ? ./strace-static-x86_64: Process 10636 attached [pid 10638] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10634] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10637] +++ exited with 0 +++ [pid 10632] +++ exited with 0 +++ [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10632, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 10634] <... prctl resumed>) = 0 [pid 10634] setpgid(0, 0) = 0 [pid 10638] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 10636] set_robust_list(0x55556dd196a0, 24 [pid 10638] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10636] <... set_robust_list resumed>) = 0 [pid 10634] <... openat resumed>) = 3 [pid 10634] write(3, "1000", 4) = 4 [pid 10634] close(3) = 0 [pid 10634] write(1, "executing program\n", 18) = 18 [pid 10634] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10634] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10634] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10634] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10634] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10638] <... futex resumed>) = 1 [pid 10636] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10635] <... futex resumed>) = 0 [pid 10635] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10638] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10636] <... prctl resumed>) = 0 [pid 10635] <... futex resumed>) = 0 [pid 10634] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10635] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10634] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10634] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 552] <... restart_syscall resumed>) = 0 [pid 10638] <... openat resumed>) = -1 ENOENT (No such file or directory) ./strace-static-x86_64: Process 10639 attached [pid 10638] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10636] setpgid(0, 0 [pid 10634] <... clone3 resumed> => {parent_tid=[10639]}, 88) = 10639 [pid 10634] rt_sigprocmask(SIG_SETMASK, [], [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10640 attached [pid 10639] set_robust_list(0x7f70b115b9a0, 24 [pid 10638] <... futex resumed>) = 1 [pid 10636] <... setpgid resumed>) = 0 [pid 10635] <... futex resumed>) = 0 [pid 10634] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10634] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10640 [pid 10634] <... futex resumed>) = 0 [pid 10634] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10640] set_robust_list(0x55556dd196a0, 24 [pid 10639] <... set_robust_list resumed>) = 0 [pid 10638] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10635] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] <... restart_syscall resumed>) = 0 [pid 10640] <... set_robust_list resumed>) = 0 [pid 10640] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10641 attached [pid 10640] setpgid(0, 0 [pid 10639] rt_sigprocmask(SIG_SETMASK, [], [pid 10638] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10635] <... futex resumed>) = 0 [pid 10640] <... setpgid resumed>) = 0 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10641 [pid 10641] set_robust_list(0x55556dd196a0, 24 [pid 10640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10639] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10638] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10636] <... openat resumed>) = 3 [pid 10635] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10640] <... openat resumed>) = 3 [pid 10640] write(3, "1000", 4 [pid 10638] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10639] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10636] write(3, "1000", 4 [pid 10638] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10641] <... set_robust_list resumed>) = 0 [pid 10640] <... write resumed>) = 4 [pid 10640] close(3) = 0 [pid 10640] write(1, "executing program\n", 18 [pid 10638] <... futex resumed>) = 1 [pid 10635] <... futex resumed>) = 0 executing program [pid 10639] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10636] <... write resumed>) = 4 [pid 10640] <... write resumed>) = 18 [pid 10640] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10640] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10640] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10640] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10635] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10640] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10639] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10638] write(-1, "0x0000000000000001", 18 [pid 10636] close(3 [pid 10635] <... futex resumed>) = 0 [pid 10640] <... mprotect resumed>) = 0 [pid 10641] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10640] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10639] <... futex resumed>) = 1 [pid 10638] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10636] <... close resumed>) = 0 [pid 10635] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10634] <... futex resumed>) = 0 executing program [pid 10640] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10639] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10638] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10636] write(1, "executing program\n", 18 [pid 10635] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10634] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10640] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10639] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10638] <... futex resumed>) = 0 [pid 10636] <... write resumed>) = 18 [pid 10635] exit_group(0 [pid 10634] <... futex resumed>) = 0 [pid 10639] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10636] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10635] <... exit_group resumed>) = ? [pid 10634] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10641] <... prctl resumed>) = 0 [pid 10640] <... clone3 resumed> => {parent_tid=[10642]}, 88) = 10642 [pid 10639] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10638] +++ exited with 0 +++ ./strace-static-x86_64: Process 10642 attached [pid 10642] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10642] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10642] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10639] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10635] +++ exited with 0 +++ [pid 10640] rt_sigprocmask(SIG_SETMASK, [], [pid 10639] <... futex resumed>) = 1 [pid 10636] <... futex resumed>) = 0 [pid 10634] <... futex resumed>) = 0 [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10635, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10641] setpgid(0, 0 [pid 10640] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10639] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10636] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10634] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10639] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10636] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10634] <... futex resumed>) = 0 [pid 10639] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10636] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10634] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10639] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10636] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10639] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10636] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10639] <... futex resumed>) = 1 [pid 10634] <... futex resumed>) = 0 [pid 10639] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10636] <... mmap resumed>) = 0x7f70b113b000 [pid 10634] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10639] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10636] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10634] <... futex resumed>) = 0 [pid 10639] write(-1, "0x0000000000000001", 18 [pid 10634] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10639] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10636] <... mprotect resumed>) = 0 [pid 10639] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10641] <... setpgid resumed>) = 0 [pid 10636] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10639] <... futex resumed>) = 1 [pid 10636] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10634] <... futex resumed>) = 0 [pid 10639] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10636] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10634] exit_group(0) = ? [pid 10639] <... futex resumed>) = ? [pid 10641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10641] write(3, "1000", 4 [pid 10639] +++ exited with 0 +++ [pid 10636] <... clone3 resumed> => {parent_tid=[10643]}, 88) = 10643 [pid 10634] +++ exited with 0 +++ [pid 10636] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10634, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10636] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10636] <... futex resumed>) = 0 [pid 10641] <... write resumed>) = 4 [pid 10636] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10641] close(3) = 0 [pid 10641] write(1, "executing program\n", 18) = 18 [pid 10641] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10641] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10641] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10641] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10641] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 10643 attached [pid 10641] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10640] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10641] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10640] <... futex resumed>) = 1 [pid 10643] set_robust_list(0x7f70b115b9a0, 24 [pid 10642] <... futex resumed>) = 0 [pid 10642] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10642] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10642] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10641] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10640] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 10643] <... set_robust_list resumed>) = 0 [pid 10641] <... clone3 resumed> => {parent_tid=[10644]}, 88) = 10644 [pid 10640] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10641] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10641] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10641] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10644 attached [pid 10644] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10644] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10644] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10644] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10641] <... futex resumed>) = 0 [pid 10641] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10643] rt_sigprocmask(SIG_SETMASK, [], [pid 10642] <... futex resumed>) = 0 [pid 10641] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10640] <... futex resumed>) = 1 [pid 10640] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 554] <... restart_syscall resumed>) = 0 [pid 10642] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 551] <... restart_syscall resumed>) = 0 [pid 10642] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10642] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10644] <... futex resumed>) = 1 [pid 10644] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10640] <... futex resumed>) = 0 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10646 [pid 10640] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10640] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10642] <... futex resumed>) = 0 [pid 10642] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10642] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10640] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10647 [pid 10640] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10642] write(-1, "0x0000000000000001", 18 [pid 10640] <... futex resumed>) = 0 [pid 10640] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10642] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10642] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10640] <... futex resumed>) = 0 [pid 10642] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10640] exit_group(0 [pid 10642] <... futex resumed>) = ? [pid 10640] <... exit_group resumed>) = ? [pid 10642] +++ exited with 0 +++ [pid 10644] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10644] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10641] <... futex resumed>) = 0 [pid 10641] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10641] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10644] <... futex resumed>) = 1 [pid 10644] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10640] +++ exited with 0 +++ [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10640, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10644] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10644] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10641] <... futex resumed>) = 0 [pid 10641] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10643] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10641] <... futex resumed>) = 0 [pid 10641] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10644] <... futex resumed>) = 1 [pid 10644] write(-1, "0x0000000000000001", 18 [pid 10643] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10644] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10644] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10641] <... futex resumed>) = 0 [pid 10641] exit_group(0) = ? [pid 10643] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10643] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10644] <... futex resumed>) = ? [pid 10643] <... futex resumed>) = 1 [pid 10636] <... futex resumed>) = 0 [pid 10643] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10636] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10643] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10636] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10643] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10643] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10636] <... futex resumed>) = 0 [pid 10643] <... futex resumed>) = 1 [pid 10636] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10643] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10636] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10643] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10643] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10636] <... futex resumed>) = 0 [pid 10636] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10636] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10643] write(-1, "0x0000000000000001", 18 [pid 10644] +++ exited with 0 +++ [pid 10641] +++ exited with 0 +++ [pid 10643] <... write resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 10647 attached [pid 10643] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10641, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10643] <... futex resumed>) = 1 [pid 10636] <... futex resumed>) = 0 [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 10636] exit_group(0 [pid 10643] ????( [pid 10636] <... exit_group resumed>) = ? [pid 10643] <... ???? resumed>) = ? ./strace-static-x86_64: Process 10646 attached [pid 10646] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10646] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10646] setpgid(0, 0) = 0 [pid 10643] +++ exited with 0 +++ [pid 10636] +++ exited with 0 +++ [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10636, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10646] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 552] <... restart_syscall resumed>) = 0 [pid 10647] set_robust_list(0x55556dd196a0, 24 [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10646] <... openat resumed>) = 3 [pid 10646] write(3, "1000", 4./strace-static-x86_64: Process 10648 attached ) = 4 [pid 10647] <... set_robust_list resumed>) = 0 [pid 10646] close(3) = 0 executing program [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10648 [pid 10646] write(1, "executing program\n", 18) = 18 [pid 10646] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10646] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10648] set_robust_list(0x55556dd196a0, 24 [pid 10647] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10646] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10646] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10646] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10646] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10647] <... prctl resumed>) = 0 [pid 10648] <... set_robust_list resumed>) = 0 [pid 10646] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10647] setpgid(0, 0 [pid 10646] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10646] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10649]}, 88) = 10649 [pid 10647] <... setpgid resumed>) = 0 [pid 10646] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10646] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] <... restart_syscall resumed>) = 0 [pid 10646] <... futex resumed>) = 0 [pid 10646] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 553] <... restart_syscall resumed>) = 0 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10650 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10651 ./strace-static-x86_64: Process 10651 attached [pid 10651] set_robust_list(0x55556dd196a0, 24 [pid 10647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10651] <... set_robust_list resumed>) = 0 [pid 10651] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10651] setpgid(0, 0) = 0 [pid 10651] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10647] <... openat resumed>) = 3 [pid 10648] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10651] <... openat resumed>) = 3 [pid 10651] write(3, "1000", 4) = 4 [pid 10651] close(3) = 0 [pid 10651] write(1, "executing program\n", 18executing program ) = 18 [pid 10651] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10651] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10651] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10651] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10651] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10647] write(3, "1000", 4 [pid 10648] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 10650 attached [pid 10647] <... write resumed>) = 4 [pid 10651] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10651] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0}executing program [pid 10647] close(3 [pid 10648] setpgid(0, 0 [pid 10647] <... close resumed>) = 0 [pid 10647] write(1, "executing program\n", 18) = 18 [pid 10647] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10647] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10651] <... clone3 resumed> => {parent_tid=[10652]}, 88) = 10652 [pid 10647] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10651] rt_sigprocmask(SIG_SETMASK, [], [pid 10647] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10651] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10647] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10650] set_robust_list(0x55556dd196a0, 24 [pid 10648] <... setpgid resumed>) = 0 [pid 10647] <... mmap resumed>) = 0x7f70b113b000 [pid 10651] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10647] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10651] <... futex resumed>) = 0 [pid 10647] <... mprotect resumed>) = 0 [pid 10651] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10649 attached [pid 10647] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10647] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10649] set_robust_list(0x7f70b115b9a0, 24 [pid 10647] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10649] <... set_robust_list resumed>) = 0 [pid 10649] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10648] <... openat resumed>) = 3 [pid 10647] <... clone3 resumed> => {parent_tid=[10653]}, 88) = 10653 [pid 10647] rt_sigprocmask(SIG_SETMASK, [], [pid 10648] write(3, "1000", 4 [pid 10647] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10647] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10648] <... write resumed>) = 4 [pid 10647] <... futex resumed>) = 0 [pid 10647] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10648] close(3 [pid 10649] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10648] <... close resumed>) = 0 [pid 10649] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10646] <... futex resumed>) = 0 [pid 10646] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10646] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program ./strace-static-x86_64: Process 10653 attached [pid 10650] <... set_robust_list resumed>) = 0 [pid 10648] write(1, "executing program\n", 18 [pid 10649] <... futex resumed>) = 1 [pid 10649] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10648] <... write resumed>) = 18 [pid 10649] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10646] <... futex resumed>) = 0 [pid 10648] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10646] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10649] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10648] <... futex resumed>) = 0 [pid 10646] <... futex resumed>) = 0 [pid 10646] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10648] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10649] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10653] set_robust_list(0x7f70b115b9a0, 24 [pid 10650] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10648] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10649] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10646] <... futex resumed>) = 0 [pid 10648] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10646] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10648] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10646] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10648] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10649] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10649] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10646] <... futex resumed>) = 0 [pid 10650] <... prctl resumed>) = 0 [pid 10648] <... mmap resumed>) = 0x7f70b113b000 [pid 10646] exit_group(0 [pid 10648] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10646] <... exit_group resumed>) = ? [pid 10650] setpgid(0, 0 [pid 10648] <... mprotect resumed>) = 0 [pid 10650] <... setpgid resumed>) = 0 [pid 10648] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10648] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10650] <... openat resumed>) = 3 [pid 10648] <... clone3 resumed> => {parent_tid=[10654]}, 88) = 10654 [pid 10648] rt_sigprocmask(SIG_SETMASK, [], [pid 10650] write(3, "1000", 4 [pid 10648] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10648] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10650] <... write resumed>) = 4 [pid 10648] <... futex resumed>) = 0 [pid 10648] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10650] close(3 [pid 10653] <... set_robust_list resumed>) = 0 [pid 10650] <... close resumed>) = 0 [pid 10650] write(1, "executing program\n", 18 executing program [pid 10653] rt_sigprocmask(SIG_SETMASK, [], [pid 10650] <... write resumed>) = 18 [pid 10649] +++ exited with 0 +++ [pid 10646] +++ exited with 0 +++ [pid 10650] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10646, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10650] <... futex resumed>) = 0 [pid 10650] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 ./strace-static-x86_64: Process 10652 attached [pid 10650] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10650] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10652] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10652] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10652] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10650] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10655 [pid 10650] <... mmap resumed>) = 0x7f70b113b000 [pid 10652] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10650] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10651] <... futex resumed>) = 0 [pid 10651] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10650] <... mprotect resumed>) = 0 [pid 10651] <... futex resumed>) = 0 [pid 10651] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10652] <... futex resumed>) = 1 [pid 10652] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10650] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10652] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10652] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10653] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10651] <... futex resumed>) = 0 [pid 10650] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10651] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10651] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10652] <... futex resumed>) = 1 [pid 10652] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10652] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10651] <... futex resumed>) = 0 [pid 10651] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10653] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10651] <... futex resumed>) = 0 [pid 10650] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10651] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10652] <... futex resumed>) = 1 [pid 10653] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10652] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10653] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10650] <... clone3 resumed> => {parent_tid=[10656]}, 88) = 10656 [pid 10653] <... futex resumed>) = 1 [pid 10652] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10650] rt_sigprocmask(SIG_SETMASK, [], [pid 10647] <... futex resumed>) = 0 [pid 10653] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10650] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10647] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10653] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10650] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10647] <... futex resumed>) = 0 [pid 10653] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10651] <... futex resumed>) = 0 [pid 10650] <... futex resumed>) = 0 [pid 10651] exit_group(0 [pid 10647] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10653] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10651] <... exit_group resumed>) = ? [pid 10650] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10653] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10654 attached [pid 10652] <... futex resumed>) = ? [pid 10654] set_robust_list(0x7f70b115b9a0, 24./strace-static-x86_64: Process 10656 attached [pid 10653] <... futex resumed>) = 1 [pid 10652] +++ exited with 0 +++ [pid 10651] +++ exited with 0 +++ [pid 10647] <... futex resumed>) = 0 [pid 10653] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10647] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10651, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10653] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10647] <... futex resumed>) = 0 [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10653] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10647] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10653] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10654] <... set_robust_list resumed>) = 0 [pid 10653] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10654] rt_sigprocmask(SIG_SETMASK, [], [pid 10647] <... futex resumed>) = 0 [pid 10653] <... futex resumed>) = 1 [pid 10647] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10654] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10647] <... futex resumed>) = 0 [pid 10653] write(-1, "0x0000000000000001", 18 [pid 10647] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10653] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10656] set_robust_list(0x7f70b115b9a0, 24 [pid 10654] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10653] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10656] <... set_robust_list resumed>) = 0 [pid 10654] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10653] <... futex resumed>) = 1 [pid 10647] <... futex resumed>) = 0 [pid 10653] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10647] exit_group(0 [pid 10656] rt_sigprocmask(SIG_SETMASK, [], [pid 10654] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10653] <... futex resumed>) = ? [pid 10647] <... exit_group resumed>) = ? [pid 10656] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10654] <... futex resumed>) = 1 [pid 10648] <... futex resumed>) = 0 [pid 10656] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10654] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10648] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10656] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10654] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10648] <... futex resumed>) = 0 [pid 10656] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10654] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10648] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10656] <... futex resumed>) = 1 [pid 10654] <... futex resumed>) = 0 [pid 10650] <... futex resumed>) = 0 [pid 10648] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10650] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10648] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10650] <... futex resumed>) = 0 [pid 10653] +++ exited with 0 +++ [pid 10650] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10648] <... futex resumed>) = 0 [pid 10647] +++ exited with 0 +++ [pid 10648] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10656] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10654] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10647, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 10655 attached [pid 10656] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10654] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10656] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10655] set_robust_list(0x55556dd196a0, 24 [pid 10654] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10656] <... futex resumed>) = 1 [pid 10655] <... set_robust_list resumed>) = 0 [pid 10654] <... futex resumed>) = 1 [pid 10650] <... futex resumed>) = 0 [pid 10648] <... futex resumed>) = 0 [pid 10650] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10648] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10650] <... futex resumed>) = 0 [pid 10648] <... futex resumed>) = 0 [pid 10650] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10648] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10656] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10655] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10654] write(-1, "0x0000000000000001", 18 [pid 10656] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10655] <... prctl resumed>) = 0 [pid 10654] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10656] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10655] setpgid(0, 0 [pid 10654] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10656] <... futex resumed>) = 1 [pid 10655] <... setpgid resumed>) = 0 [pid 10654] <... futex resumed>) = 1 [pid 10650] <... futex resumed>) = 0 [pid 10648] <... futex resumed>) = 0 [pid 553] <... restart_syscall resumed>) = 0 [pid 10656] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10654] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10650] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10648] exit_group(0 [pid 10656] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10655] <... openat resumed>) = 3 [pid 10654] <... futex resumed>) = ? [pid 10650] <... futex resumed>) = 0 [pid 10648] <... exit_group resumed>) = ? [pid 551] <... restart_syscall resumed>) = 0 [pid 10656] write(-1, "0x0000000000000001", 18 [pid 10655] write(3, "1000", 4 [pid 10654] +++ exited with 0 +++ [pid 10650] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10656] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10655] <... write resumed>) = 4 [pid 10648] +++ exited with 0 +++ [pid 10656] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10655] close(3 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10657 [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10648, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10656] <... futex resumed>) = 1 [pid 10655] <... close resumed>) = 0 [pid 10650] <... futex resumed>) = 0 [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10656] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL executing program [pid 10655] write(1, "executing program\n", 18 [pid 10650] exit_group(0 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10656] <... futex resumed>) = ? [pid 10655] <... write resumed>) = 18 [pid 10650] <... exit_group resumed>) = ? [pid 10656] +++ exited with 0 +++ [pid 10655] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10655] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10655] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10655] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10655] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10655] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10655] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10650] +++ exited with 0 +++ [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10658 [pid 10655] <... clone3 resumed> => {parent_tid=[10659]}, 88) = 10659 [pid 10655] rt_sigprocmask(SIG_SETMASK, [], [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10650, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 10659 attached ./strace-static-x86_64: Process 10657 attached [pid 10655] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 10655] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10655] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10658 attached [pid 10659] set_robust_list(0x7f70b115b9a0, 24 [pid 10657] set_robust_list(0x55556dd196a0, 24 [pid 10658] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10659] <... set_robust_list resumed>) = 0 [pid 10658] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10657] <... set_robust_list resumed>) = 0 [pid 10658] <... prctl resumed>) = 0 [pid 10658] setpgid(0, 0) = 0 [pid 10659] rt_sigprocmask(SIG_SETMASK, [], [pid 10658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10657] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10659] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10658] <... openat resumed>) = 3 [pid 10657] <... prctl resumed>) = 0 [pid 10658] write(3, "1000", 4) = 4 [pid 10658] close(3) = 0 executing program [pid 10658] write(1, "executing program\n", 18) = 18 [pid 10658] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10658] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10658] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10659] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10657] setpgid(0, 0 [pid 10658] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10658] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10659] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10658] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10657] <... setpgid resumed>) = 0 [pid 10659] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10658] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10658] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10659] <... futex resumed>) = 1 [pid 10655] <... futex resumed>) = 0 [pid 10655] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 552] <... restart_syscall resumed>) = 0 [pid 10655] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10659] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10657] <... openat resumed>) = 3 [pid 10658] <... clone3 resumed> => {parent_tid=[10660]}, 88) = 10660 [pid 10658] rt_sigprocmask(SIG_SETMASK, [], [pid 10657] write(3, "1000", 4 [pid 10659] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10658] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10658] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10658] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10660 attached [pid 10660] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10659] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10657] <... write resumed>) = 4 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10661 [pid 10660] rt_sigprocmask(SIG_SETMASK, [], [pid 10659] <... futex resumed>) = 1 [pid 10657] close(3 [pid 10655] <... futex resumed>) = 0 [pid 10660] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10655] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10659] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10657] <... close resumed>) = 0 [pid 10655] <... futex resumed>) = 0 [pid 10655] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10657] write(1, "executing program\n", 18 [pid 10659] <... openat resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 10659] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10657] <... write resumed>) = 18 [pid 10660] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10660] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10658] <... futex resumed>) = 0 [pid 10658] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10658] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10660] <... futex resumed>) = 1 [pid 10660] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10659] <... futex resumed>) = 1 [pid 10657] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10655] <... futex resumed>) = 0 [pid 10659] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10657] <... futex resumed>) = 0 [pid 10655] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10659] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10657] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10655] <... futex resumed>) = 0 [pid 10657] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10655] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10659] write(-1, "0x0000000000000001", 18 [pid 10657] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10659] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10657] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10659] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10657] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10655] <... futex resumed>) = 0 [pid 555] <... restart_syscall resumed>) = 0 [pid 10655] exit_group(0 [pid 10657] <... mmap resumed>) = 0x7f70b113b000 [pid 10655] <... exit_group resumed>) = ? [pid 10660] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10660] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10657] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10659] <... futex resumed>) = ? [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10658] <... futex resumed>) = 0 [pid 10658] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10658] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10657] <... mprotect resumed>) = 0 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10662 [pid 10660] <... futex resumed>) = 1 [pid 10657] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10660] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10660] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10658] <... futex resumed>) = 0 [pid 10658] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10658] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10660] <... futex resumed>) = 1 [pid 10659] +++ exited with 0 +++ [pid 10657] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10655] +++ exited with 0 +++ [pid 10657] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10655, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10657] <... clone3 resumed> => {parent_tid=[10663]}, 88) = 10663 [pid 10660] write(-1, "0x0000000000000001", 18 [pid 10657] rt_sigprocmask(SIG_SETMASK, [], [pid 10660] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10657] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10660] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10657] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10658] <... futex resumed>) = 0 [pid 10657] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10663 attached ./strace-static-x86_64: Process 10662 attached [pid 10658] exit_group(0) = ? [pid 10660] <... futex resumed>) = ? [pid 10663] set_robust_list(0x7f70b115b9a0, 24 [pid 10662] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10663] <... set_robust_list resumed>) = 0 [pid 10663] rt_sigprocmask(SIG_SETMASK, [], [pid 10662] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10663] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10663] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10662] setpgid(0, 0) = 0 [pid 10663] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10660] +++ exited with 0 +++ [pid 10658] +++ exited with 0 +++ [pid 10662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10658, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 551] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 10661 attached [pid 10661] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10662] <... openat resumed>) = 3 [pid 10661] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10663] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10661] <... prctl resumed>) = 0 [pid 10661] setpgid(0, 0) = 0 [pid 10662] write(3, "1000", 4 [pid 10663] <... futex resumed>) = 1 [pid 10657] <... futex resumed>) = 0 [pid 10657] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10657] <... futex resumed>) = 0 [pid 10657] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10662] <... write resumed>) = 4 [pid 10663] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10661] <... openat resumed>) = 3 [pid 10661] write(3, "1000", 4) = 4 [pid 10661] close(3) = 0 [pid 10663] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10662] close(3 [pid 10661] write(1, "executing program\n", 18executing program ) = 18 [pid 10661] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10661] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10661] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10661] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10661] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10662] <... close resumed>) = 0 [pid 10661] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10663] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10661] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10661] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10664]}, 88) = 10664 [pid 10663] <... futex resumed>) = 1 [pid 10662] write(1, "executing program\n", 18 [pid 10657] <... futex resumed>) = 0 executing program [pid 10663] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10662] <... write resumed>) = 18 [pid 10657] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10661] rt_sigprocmask(SIG_SETMASK, [], [pid 10657] <... futex resumed>) = 0 [pid 10662] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10657] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10663] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10662] <... futex resumed>) = 0 [pid 10662] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10661] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10663] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10662] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10663] <... futex resumed>) = 1 [pid 10657] <... futex resumed>) = 0 [pid 10662] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10657] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10663] write(-1, "0x0000000000000001", 18 [pid 10662] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10657] <... futex resumed>) = 0 [pid 10662] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10661] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10663] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10657] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10662] <... mmap resumed>) = 0x7f70b113b000 [pid 10663] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10662] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10661] <... futex resumed>) = 0 [pid 10662] <... mprotect resumed>) = 0 [pid 10663] <... futex resumed>) = 1 [pid 10657] <... futex resumed>) = 0 [pid 10662] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10663] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10662] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10657] exit_group(0 [pid 10662] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10663] <... futex resumed>) = ? [pid 10657] <... exit_group resumed>) = ? [pid 10661] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10664 attached [pid 10664] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10664] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10664] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10664] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10661] <... futex resumed>) = 0 [pid 10663] +++ exited with 0 +++ [pid 10661] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10657] +++ exited with 0 +++ [pid 10662] <... clone3 resumed> => {parent_tid=[10665]}, 88) = 10665 [pid 10661] <... futex resumed>) = 0 [pid 10662] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10661] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10657, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10662] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10662] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10664] <... futex resumed>) = 1 [pid 10664] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10664] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] <... restart_syscall resumed>) = 0 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 553] <... restart_syscall resumed>) = 0 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10666 attached ./strace-static-x86_64: Process 10665 attached [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10666 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10667 [pid 10661] <... futex resumed>) = 0 [pid 10661] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10661] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10664] <... futex resumed>) = 1 [pid 10664] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 551] <... restart_syscall resumed>) = 0 [pid 10664] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10661] <... futex resumed>) = 0 [pid 10661] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10661] <... futex resumed>) = 0 [pid 10661] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10664] <... futex resumed>) = 1 [pid 10664] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10664] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10668 [pid 10661] <... futex resumed>) = 0 [pid 10661] exit_group(0) = ? [pid 10664] <... futex resumed>) = ? [pid 10666] set_robust_list(0x55556dd196a0, 24 [pid 10665] set_robust_list(0x7f70b115b9a0, 24./strace-static-x86_64: Process 10668 attached [pid 10666] <... set_robust_list resumed>) = 0 [pid 10666] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10665] <... set_robust_list resumed>) = 0 [pid 10666] <... prctl resumed>) = 0 [pid 10665] rt_sigprocmask(SIG_SETMASK, [], [pid 10668] set_robust_list(0x55556dd196a0, 24 [pid 10666] setpgid(0, 0 [pid 10665] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10668] <... set_robust_list resumed>) = 0 [pid 10666] <... setpgid resumed>) = 0 [pid 10666] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10665] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10664] +++ exited with 0 +++ [pid 10661] +++ exited with 0 +++ [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10661, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 552] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 10667 attached [pid 10667] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10665] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10667] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10666] <... openat resumed>) = 3 [pid 10667] setpgid(0, 0) = 0 [pid 10665] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10666] write(3, "1000", 4 [pid 10668] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10667] write(3, "1000", 4 [pid 10662] <... futex resumed>) = 0 [pid 10667] <... write resumed>) = 4 [pid 10662] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10667] close(3 [pid 10662] <... futex resumed>) = 0 [pid 10662] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10667] <... close resumed>) = 0 [pid 10665] <... futex resumed>) = 1 executing program [pid 10667] write(1, "executing program\n", 18) = 18 [pid 10667] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10667] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10665] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10668] <... prctl resumed>) = 0 [pid 10666] <... write resumed>) = 4 [pid 10667] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10667] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10667] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10667] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10666] close(3 [pid 10665] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10668] setpgid(0, 0 [pid 10667] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10667] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10665] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 552] <... restart_syscall resumed>) = 0 [pid 10666] <... close resumed>) = 0 [pid 10662] <... futex resumed>) = 0 executing program [pid 10665] <... futex resumed>) = 1 [pid 10666] write(1, "executing program\n", 18 [pid 10662] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10665] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10662] <... futex resumed>) = 0 [pid 10666] <... write resumed>) = 18 [pid 10662] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10666] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10665] <... openat resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 10670 attached ./strace-static-x86_64: Process 10669 attached [pid 10668] <... setpgid resumed>) = 0 [pid 10669] set_robust_list(0x7f70b115b9a0, 24 [pid 10668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10667] <... clone3 resumed> => {parent_tid=[10669]}, 88) = 10669 [pid 10666] <... futex resumed>) = 0 [pid 10669] <... set_robust_list resumed>) = 0 [pid 10668] <... openat resumed>) = 3 [pid 10667] rt_sigprocmask(SIG_SETMASK, [], [pid 10666] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10669] rt_sigprocmask(SIG_SETMASK, [], [pid 10668] write(3, "1000", 4 [pid 10667] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10666] <... rt_sigaction resumed>NULL, 8) = 0 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10670 [pid 10669] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10668] <... write resumed>) = 4 [pid 10667] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10666] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10670] set_robust_list(0x55556dd196a0, 24 [pid 10669] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10668] close(3 [pid 10667] <... futex resumed>) = 0 [pid 10666] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10665] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10668] <... close resumed>) = 0 [pid 10667] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10669] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10666] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10670] <... set_robust_list resumed>) = 0 executing program [pid 10668] write(1, "executing program\n", 18 [pid 10666] <... mmap resumed>) = 0x7f70b113b000 [pid 10668] <... write resumed>) = 18 [pid 10666] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10669] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10668] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10666] <... mprotect resumed>) = 0 [pid 10665] <... futex resumed>) = 1 [pid 10669] <... futex resumed>) = 1 [pid 10668] <... futex resumed>) = 0 [pid 10667] <... futex resumed>) = 0 [pid 10666] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10665] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10662] <... futex resumed>) = 0 [pid 10668] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10667] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10666] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10662] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10669] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10668] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10667] <... futex resumed>) = 0 [pid 10666] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10669] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10662] <... futex resumed>) = 0 [pid 10669] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10671 attached [pid 10670] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10669] <... futex resumed>) = 0 [pid 10668] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10667] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10665] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10662] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10667] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10666] <... clone3 resumed> => {parent_tid=[10671]}, 88) = 10671 [pid 10667] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10666] rt_sigprocmask(SIG_SETMASK, [], [pid 10667] <... futex resumed>) = 0 [pid 10666] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10667] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10666] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10669] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10668] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10666] <... futex resumed>) = 0 [pid 10669] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10668] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10669] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10668] <... mmap resumed>) = 0x7f70b113b000 [pid 10666] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10671] set_robust_list(0x7f70b115b9a0, 24 [pid 10669] <... futex resumed>) = 1 [pid 10668] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10667] <... futex resumed>) = 0 [pid 10669] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10668] <... mprotect resumed>) = 0 [pid 10667] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10669] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10668] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10669] write(-1, "0x0000000000000001", 18 [pid 10668] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10667] <... futex resumed>) = 0 [pid 10669] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10668] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10667] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10669] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10667] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10669] <... futex resumed>) = 0 [pid 10668] <... clone3 resumed> => {parent_tid=[10672]}, 88) = 10672 [pid 10669] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10668] rt_sigprocmask(SIG_SETMASK, [], [pid 10667] exit_group(0 [pid 10665] write(-1, "0x0000000000000001", 18 [pid 10669] <... futex resumed>) = ? [pid 10668] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10667] <... exit_group resumed>) = ? [pid 10669] +++ exited with 0 +++ [pid 10668] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10665] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10668] <... futex resumed>) = 0 [pid 10668] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10665] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10662] <... futex resumed>) = 0 [pid 10665] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10662] exit_group(0 [pid 10667] +++ exited with 0 +++ [pid 10665] <... futex resumed>) = ? [pid 10662] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 10672 attached [pid 10671] <... set_robust_list resumed>) = 0 [pid 10670] <... prctl resumed>) = 0 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10667, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10671] rt_sigprocmask(SIG_SETMASK, [], [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10671] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10671] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10665] +++ exited with 0 +++ [pid 10662] +++ exited with 0 +++ [pid 10672] set_robust_list(0x7f70b115b9a0, 24 [pid 10671] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10670] setpgid(0, 0 [pid 10672] <... set_robust_list resumed>) = 0 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10662, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10672] rt_sigprocmask(SIG_SETMASK, [], [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 10672] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10672] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10670] <... setpgid resumed>) = 0 [pid 10672] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10671] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10672] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10671] <... futex resumed>) = 1 [pid 10670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10666] <... futex resumed>) = 0 [pid 10666] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10666] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10672] <... futex resumed>) = 1 [pid 10668] <... futex resumed>) = 0 [pid 10671] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10668] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10672] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10668] <... futex resumed>) = 0 [pid 10671] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10668] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10672] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10671] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10672] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10668] <... futex resumed>) = 0 [pid 10671] <... futex resumed>) = 1 [pid 10666] <... futex resumed>) = 0 [pid 10668] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10666] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10671] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10668] <... futex resumed>) = 0 [pid 10666] <... futex resumed>) = 0 [pid 10668] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10666] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10671] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10672] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10672] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10668] <... futex resumed>) = 0 [pid 10671] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10668] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10672] write(-1, "0x0000000000000001", 18 [pid 10671] <... futex resumed>) = 1 [pid 10668] <... futex resumed>) = 0 [pid 10666] <... futex resumed>) = 0 [pid 10672] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10671] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10668] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10666] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10672] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10666] <... futex resumed>) = 0 [pid 10672] <... futex resumed>) = 0 [pid 10666] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10672] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10668] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10671] write(-1, "0x0000000000000001", 18 [pid 10670] <... openat resumed>) = 3 [pid 10668] exit_group(0 [pid 553] <... restart_syscall resumed>) = 0 [pid 10668] <... exit_group resumed>) = ? [pid 10672] <... futex resumed>) = ? [pid 10670] write(3, "1000", 4 [pid 10671] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10671] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] <... restart_syscall resumed>) = 0 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10672] +++ exited with 0 +++ [pid 10671] <... futex resumed>) = 1 [pid 10670] <... write resumed>) = 4 [pid 10668] +++ exited with 0 +++ [pid 10666] <... futex resumed>) = 0 [pid 10671] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10670] close(3 [pid 10666] exit_group(0./strace-static-x86_64: Process 10673 attached [pid 10671] <... futex resumed>) = ? [pid 10670] <... close resumed>) = 0 [pid 10666] <... exit_group resumed>) = ? [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10673 [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10668, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10670] write(1, "executing program\n", 18 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10671] +++ exited with 0 +++ [pid 10670] <... write resumed>) = 18 [pid 10666] +++ exited with 0 +++ [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10674 [pid 10673] set_robust_list(0x55556dd196a0, 24 [pid 10670] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10666, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10675 ./strace-static-x86_64: Process 10675 attached [pid 10670] <... futex resumed>) = 0 [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10670] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10670] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10670] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10670] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10670] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10670] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10673] <... set_robust_list resumed>) = 0 [pid 10670] <... clone3 resumed> => {parent_tid=[10676]}, 88) = 10676 [pid 10675] set_robust_list(0x55556dd196a0, 24 [pid 10670] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10670] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10670] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10676 attached [pid 10676] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10676] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10676] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10676] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10670] <... futex resumed>) = 0 [pid 10670] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10670] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10676] <... futex resumed>) = 1 [pid 10676] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10676] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10673] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10670] <... futex resumed>) = 0 [pid 10670] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10670] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10676] <... futex resumed>) = 1 [pid 10676] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10676] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10670] <... futex resumed>) = 0 [pid 10670] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10670] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10676] <... futex resumed>) = 1 [pid 10676] write(-1, "0x0000000000000001", 18 [pid 10675] <... set_robust_list resumed>) = 0 [pid 10673] <... prctl resumed>) = 0 [pid 10676] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10676] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10673] setpgid(0, 0) = 0 [pid 10670] <... futex resumed>) = 0 [pid 10670] exit_group(0 [pid 10673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10670] <... exit_group resumed>) = ? [pid 10676] <... futex resumed>) = ? [pid 10673] <... openat resumed>) = 3 [pid 10673] write(3, "1000", 4) = 4 [pid 10673] close(3executing program ) = 0 [pid 10675] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10673] write(1, "executing program\n", 18) = 18 [pid 10675] <... prctl resumed>) = 0 [pid 10673] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10675] setpgid(0, 0 [pid 10673] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10675] <... setpgid resumed>) = 0 [pid 10673] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10675] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10673] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10675] <... openat resumed>) = 3 [pid 10673] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10675] write(3, "1000", 4 [pid 10673] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10675] <... write resumed>) = 4 [pid 10673] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10675] close(3./strace-static-x86_64: Process 10674 attached [pid 10673] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10676] +++ exited with 0 +++ [pid 10670] +++ exited with 0 +++ [pid 10675] <... close resumed>) = 0 [pid 10673] <... clone3 resumed> => {parent_tid=[10677]}, 88) = 10677 [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10670, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10675] write(1, "executing program\n", 18 [pid 10673] rt_sigprocmask(SIG_SETMASK, [], [pid 552] restart_syscall(<... resuming interrupted clone ...>executing program [pid 10675] <... write resumed>) = 18 [pid 10673] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10673] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10677 attached [pid 10675] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10673] <... futex resumed>) = 0 [pid 10677] set_robust_list(0x7f70b115b9a0, 24 [pid 10673] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10675] <... futex resumed>) = 0 [pid 10677] <... set_robust_list resumed>) = 0 [pid 10677] rt_sigprocmask(SIG_SETMASK, [], [pid 10675] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10677] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10677] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10677] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10673] <... futex resumed>) = 0 [pid 10673] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10673] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10677] <... futex resumed>) = 1 [pid 10677] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10677] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10673] <... futex resumed>) = 0 [pid 10673] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10673] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10677] <... futex resumed>) = 1 [pid 10677] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10677] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10673] <... futex resumed>) = 0 [pid 10673] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10673] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10677] <... futex resumed>) = 1 [pid 10677] write(-1, "0x0000000000000001", 18 [pid 10675] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10677] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10677] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10673] <... futex resumed>) = 0 [pid 10673] exit_group(0) = ? [pid 10675] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10674] set_robust_list(0x55556dd196a0, 24 [pid 10677] <... futex resumed>) = ? [pid 10675] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 552] <... restart_syscall resumed>) = 0 [pid 10675] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10674] <... set_robust_list resumed>) = 0 [pid 10675] <... mmap resumed>) = 0x7f70b113b000 [pid 10675] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10675] <... mprotect resumed>) = 0 [pid 10675] rt_sigprocmask(SIG_BLOCK, ~[], [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10678 [pid 10675] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10675] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 554] <... restart_syscall resumed>) = 0 [pid 10675] <... clone3 resumed> => {parent_tid=[10679]}, 88) = 10679 [pid 10674] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10675] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10680 attached [pid 10675] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10674] <... prctl resumed>) = 0 [pid 10675] <... futex resumed>) = 0 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10680 [pid 10675] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10674] setpgid(0, 0) = 0 [pid 10674] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10680] set_robust_list(0x55556dd196a0, 24 [pid 10674] <... openat resumed>) = 3 [pid 10677] +++ exited with 0 +++ [pid 10673] +++ exited with 0 +++ [pid 10674] write(3, "1000", 4 [pid 10680] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 10678 attached ./strace-static-x86_64: Process 10679 attached [pid 10679] set_robust_list(0x7f70b115b9a0, 24 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10673, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10674] <... write resumed>) = 4 [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10679] <... set_robust_list resumed>) = 0 [pid 10674] close(3 [pid 10679] rt_sigprocmask(SIG_SETMASK, [], [pid 10678] set_robust_list(0x55556dd196a0, 24 [pid 10679] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10679] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10678] <... set_robust_list resumed>) = 0 [pid 10678] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10679] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10679] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000executing program ) = 1 [pid 10675] <... futex resumed>) = 0 [pid 10674] <... close resumed>) = 0 [pid 10675] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10679] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10675] <... futex resumed>) = 0 [pid 10674] write(1, "executing program\n", 18 [pid 10675] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10678] <... prctl resumed>) = 0 [pid 10674] <... write resumed>) = 18 [pid 10678] setpgid(0, 0 [pid 10679] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10675] <... futex resumed>) = 0 [pid 10674] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10675] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10678] <... setpgid resumed>) = 0 [pid 10675] <... futex resumed>) = 0 [pid 10674] <... futex resumed>) = 0 [pid 10675] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10679] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10674] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10679] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10679] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10675] <... futex resumed>) = 0 [pid 10674] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10679] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10675] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10674] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10675] <... futex resumed>) = 0 [pid 10678] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10675] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10674] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10680] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10679] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10674] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10680] <... prctl resumed>) = 0 [pid 10679] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10679] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10675] <... futex resumed>) = 0 [pid 10674] <... mmap resumed>) = 0x7f70b113b000 [pid 10675] exit_group(0 [pid 10680] setpgid(0, 0 [pid 10674] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10675] <... exit_group resumed>) = ? [pid 10678] <... openat resumed>) = 3 [pid 10674] <... mprotect resumed>) = 0 [pid 10680] <... setpgid resumed>) = 0 [pid 10674] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10680] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program [pid 10678] write(3, "1000", 4 [pid 10674] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10678] <... write resumed>) = 4 [pid 10678] close(3) = 0 [pid 10678] write(1, "executing program\n", 18) = 18 [pid 10678] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10678] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10678] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10678] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10674] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10678] <... mmap resumed>) = 0x7f70b113b000 [pid 10680] <... openat resumed>) = 3 [pid 10678] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10680] write(3, "1000", 4 [pid 10674] <... clone3 resumed> => {parent_tid=[10681]}, 88) = 10681 [pid 10680] <... write resumed>) = 4 [pid 10674] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10680] close(3 [pid 10674] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10680] <... close resumed>) = 0 [pid 10674] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10678] <... mprotect resumed>) = 0 [pid 10680] write(1, "executing program\n", 18 [pid 10678] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10678] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0}executing program [pid 10679] +++ exited with 0 +++ [pid 10675] +++ exited with 0 +++ [pid 10680] <... write resumed>) = 18 [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10675, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10678] <... clone3 resumed> => {parent_tid=[10682]}, 88) = 10682 [pid 10678] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10678] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10678] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10681 attached [pid 10681] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10681] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10681] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10681] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10674] <... futex resumed>) = 0 [pid 10680] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10674] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10680] <... futex resumed>) = 0 [pid 10674] <... futex resumed>) = 0 [pid 10681] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10680] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10674] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10680] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10680] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10680] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10681] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10680] <... mmap resumed>) = 0x7f70b113b000 [pid 10681] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10680] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10681] <... futex resumed>) = 1 [pid 10680] <... mprotect resumed>) = 0 [pid 10674] <... futex resumed>) = 0 [pid 10681] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 10682 attached [pid 10680] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10674] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10680] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10674] <... futex resumed>) = 1 [pid 10680] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10674] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10681] <... futex resumed>) = 0 [pid 10680] <... clone3 resumed> => {parent_tid=[10683]}, 88) = 10683 [pid 10680] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10680] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10681] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10680] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10681] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10681] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10681] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10682] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10674] <... futex resumed>) = 0 [pid 10682] rt_sigprocmask(SIG_SETMASK, [], [pid 10674] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10682] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10674] <... futex resumed>) = 1 [pid 10681] <... futex resumed>) = 0 [pid 10674] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 551] <... restart_syscall resumed>) = 0 [pid 553] <... restart_syscall resumed>) = 0 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556dd19690) = 10684 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10685 [pid 10681] write(-1, "0x0000000000000001", 18./strace-static-x86_64: Process 10683 attached ) = -1 EBADF (Bad file descriptor) [pid 10681] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10674] <... futex resumed>) = 0 [pid 10681] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10674] exit_group(0) = ? [pid 10681] <... futex resumed>) = ? [pid 10683] set_robust_list(0x7f70b115b9a0, 24./strace-static-x86_64: Process 10685 attached ) = 0 [pid 10683] rt_sigprocmask(SIG_SETMASK, [], [pid 10685] set_robust_list(0x55556dd196a0, 24 [pid 10681] +++ exited with 0 +++ [pid 10674] +++ exited with 0 +++ [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10674, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 10682] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10682] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10678] <... futex resumed>) = 0 [pid 10678] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10678] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10682] <... futex resumed>) = 1 [pid 10682] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10683] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10682] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10682] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10678] <... futex resumed>) = 0 [pid 10678] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10678] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10682] <... futex resumed>) = 1 [pid 10682] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10682] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10683] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10678] <... futex resumed>) = 0 [pid 10678] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10678] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10682] <... futex resumed>) = 1 [pid 10682] write(-1, "0x0000000000000001", 18 [pid 10685] <... set_robust_list resumed>) = 0 [pid 10683] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10682] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10682] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10678] <... futex resumed>) = 0 [pid 10678] exit_group(0) = ? [pid 10683] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10682] <... futex resumed>) = ? [pid 10685] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10683] <... futex resumed>) = 1 [pid 10680] <... futex resumed>) = 0 [pid 10680] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10683] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10680] <... futex resumed>) = 0 [pid 10680] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10683] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10683] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10685] <... prctl resumed>) = 0 [pid 10683] <... futex resumed>) = 1 [pid 10680] <... futex resumed>) = 0 [pid 10685] setpgid(0, 0 [pid 10680] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10683] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10680] <... futex resumed>) = 0 [pid 10680] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10683] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10682] +++ exited with 0 +++ [pid 10683] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10678] +++ exited with 0 +++ [pid 10685] <... setpgid resumed>) = 0 [pid 10683] <... futex resumed>) = 1 [pid 10680] <... futex resumed>) = 0 [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10678, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10680] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10683] write(-1, "0x0000000000000001", 18 [pid 10680] <... futex resumed>) = 0 [pid 10680] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10683] <... write resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 10684 attached [pid 10684] set_robust_list(0x55556dd196a0, 24 [pid 10683] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10684] <... set_robust_list resumed>) = 0 [pid 10684] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10683] <... futex resumed>) = 1 [pid 10680] <... futex resumed>) = 0 [pid 10683] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10680] exit_group(0 [pid 10684] setpgid(0, 0 [pid 10680] <... exit_group resumed>) = ? [pid 10683] <... futex resumed>) = ? [pid 10684] <... setpgid resumed>) = 0 [pid 10684] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10684] write(3, "1000", 4) = 4 [pid 10684] close(3) = 0 [pid 10684] write(1, "executing program\n", 18 [pid 10683] +++ exited with 0 +++ [pid 10680] +++ exited with 0 +++ [pid 10685] <... openat resumed>) = 3 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10680, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10684] <... write resumed>) = 18 [pid 10684] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10684] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10684] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10684] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10684] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10684] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10684] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10686]}, 88) = 10686 [pid 10684] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10684] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10684] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10685] write(3, "1000", 4./strace-static-x86_64: Process 10686 attached [pid 10686] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10686] rt_sigprocmask(SIG_SETMASK, [], [pid 552] <... restart_syscall resumed>) = 0 [pid 10685] <... write resumed>) = 4 [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10685] close(3 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10687 [pid 10686] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10686] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 555] <... restart_syscall resumed>) = 0 [pid 554] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 10687 attached [pid 10685] <... close resumed>) = 0 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10688 attached [pid 10687] set_robust_list(0x55556dd196a0, 24 [pid 10685] write(1, "executing program\n", 18 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10688 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10689 executing program [pid 10685] <... write resumed>) = 18 [pid 10686] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10686] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10684] <... futex resumed>) = 0 [pid 10684] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10684] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10686] <... futex resumed>) = 1 [pid 10686] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10686] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10684] <... futex resumed>) = 0 [pid 10684] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10684] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10686] <... futex resumed>) = 1 [pid 10686] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10686] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10684] <... futex resumed>) = 0 [pid 10684] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10684] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10686] <... futex resumed>) = 1 [pid 10686] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10686] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10684] <... futex resumed>) = 0 [pid 10684] exit_group(0 [pid 10685] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10684] <... exit_group resumed>) = ? [pid 10687] <... set_robust_list resumed>) = 0 [pid 10686] <... futex resumed>) = ? [pid 10685] <... futex resumed>) = 0 [pid 10687] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10685] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10687] <... prctl resumed>) = 0 [pid 10685] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10687] setpgid(0, 0 [pid 10685] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10687] <... setpgid resumed>) = 0 [pid 10685] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10687] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10686] +++ exited with 0 +++ [pid 10684] +++ exited with 0 +++ [pid 10685] rt_sigprocmask(SIG_BLOCK, ~[], [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10684, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 551] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 10689 attached [pid 10689] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10689] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10689] setpgid(0, 0) = 0 [pid 10689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10685] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10689] write(3, "1000", 4) = 4 [pid 10687] <... openat resumed>) = 3 [pid 10685] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10689] close(3) = 0 [pid 10687] write(3, "1000", 4 [pid 10688] set_robust_list(0x55556dd196a0, 24 [pid 10685] <... clone3 resumed> => {parent_tid=[10690]}, 88) = 10690 [pid 10689] write(1, "executing program\n", 18 [pid 10685] rt_sigprocmask(SIG_SETMASK, [], [pid 10687] <... write resumed>) = 4 executing program [pid 10688] <... set_robust_list resumed>) = 0 [pid 10685] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10685] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10687] close(3 [pid 10685] <... futex resumed>) = 0 [pid 10689] <... write resumed>) = 18 [pid 10685] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10688] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10687] <... close resumed>) = 0 [pid 10689] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10689] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10689] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10689] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10689] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITEexecuting program ) = 0 [pid 10687] write(1, "executing program\n", 18 [pid 10688] <... prctl resumed>) = 0 [pid 10687] <... write resumed>) = 18 [pid 10687] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10688] setpgid(0, 0 [pid 10687] <... futex resumed>) = 0 [pid 10687] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10688] <... setpgid resumed>) = 0 [pid 10687] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10687] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10689] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10687] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10689] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10687] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10689] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10688] <... openat resumed>) = 3 [pid 10687] <... mmap resumed>) = 0x7f70b113b000 [pid 10687] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10688] write(3, "1000", 4 [pid 10687] <... mprotect resumed>) = 0 [pid 10688] <... write resumed>) = 4 [pid 10689] <... clone3 resumed> => {parent_tid=[10691]}, 88) = 10691 [pid 10688] close(3 [pid 10687] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10689] rt_sigprocmask(SIG_SETMASK, [], [pid 10687] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10688] <... close resumed>) = 0 [pid 10687] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10689] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10689] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10689] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} executing program [pid 10688] write(1, "executing program\n", 18 [pid 10687] <... clone3 resumed> => {parent_tid=[10692]}, 88) = 10692 [pid 10688] <... write resumed>) = 18 [pid 10687] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 10690 attached NULL, 8) = 0 [pid 10688] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10687] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10690] set_robust_list(0x7f70b115b9a0, 24 [pid 10687] <... futex resumed>) = 0 [pid 10688] <... futex resumed>) = 0 [pid 10687] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10690] <... set_robust_list resumed>) = 0 [pid 10688] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10690] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10690] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10690] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10688] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10690] <... futex resumed>) = 1 [pid 10690] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 10691 attached [pid 10691] set_robust_list(0x7f70b115b9a0, 24 [pid 10685] <... futex resumed>) = 0 [pid 10688] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10685] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10691] <... set_robust_list resumed>) = 0 [pid 10688] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10685] <... futex resumed>) = 1 [pid 10690] <... futex resumed>) = 0 [pid 10688] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10685] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10690] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10690] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10685] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10688] <... mmap resumed>) = 0x7f70b113b000 [pid 10685] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10690] <... futex resumed>) = 0 [pid 10688] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10685] <... futex resumed>) = 0 [pid 10690] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10685] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10688] <... mprotect resumed>) = 0 [pid 10690] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10690] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10685] <... futex resumed>) = 0 [pid 10688] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10685] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10690] write(-1, "0x0000000000000001", 18 [pid 10688] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10685] <... futex resumed>) = 0 [pid 10688] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10685] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10690] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10690] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10688] <... clone3 resumed> => {parent_tid=[10693]}, 88) = 10693 [pid 551] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 10693 attached [pid 10693] set_robust_list(0x7f70b115b9a0, 24 [pid 10688] rt_sigprocmask(SIG_SETMASK, [], [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10693] <... set_robust_list resumed>) = 0 [pid 10688] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10694 [pid 10685] <... futex resumed>) = 0 [pid 10688] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10694 attached [pid 10693] rt_sigprocmask(SIG_SETMASK, [], [pid 10685] exit_group(0) = ? [pid 10690] <... futex resumed>) = ? [pid 10694] set_robust_list(0x55556dd196a0, 24 [pid 10693] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10690] +++ exited with 0 +++ [pid 10688] <... futex resumed>) = 0 [pid 10685] +++ exited with 0 +++ [pid 10691] rt_sigprocmask(SIG_SETMASK, [], [pid 10688] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10685, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10691] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10691] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7./strace-static-x86_64: Process 10692 attached [pid 10692] set_robust_list(0x7f70b115b9a0, 24 [pid 10691] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10692] <... set_robust_list resumed>) = 0 [pid 10691] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10692] rt_sigprocmask(SIG_SETMASK, [], [pid 10689] <... futex resumed>) = 0 [pid 10689] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10689] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10692] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10691] <... futex resumed>) = 1 [pid 10692] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10691] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10691] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10689] <... futex resumed>) = 0 [pid 10689] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10689] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10691] <... futex resumed>) = 1 [pid 10692] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10691] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10692] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10691] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10687] <... futex resumed>) = 0 [pid 10687] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10687] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10692] <... futex resumed>) = 1 [pid 10692] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10691] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10689] <... futex resumed>) = 0 [pid 10692] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10691] write(-1, "0x0000000000000001", 18 [pid 10689] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10692] <... futex resumed>) = 1 [pid 10691] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10689] <... futex resumed>) = 0 [pid 10687] <... futex resumed>) = 0 [pid 10692] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10691] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10689] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10687] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10692] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10691] <... futex resumed>) = 0 [pid 10689] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10687] <... futex resumed>) = 0 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10695 [pid 10692] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10691] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10689] exit_group(0 [pid 10687] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10692] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10691] <... futex resumed>) = ? [pid 10689] <... exit_group resumed>) = ? [pid 10694] <... set_robust_list resumed>) = 0 [pid 10693] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10692] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10691] +++ exited with 0 +++ [pid 10689] +++ exited with 0 +++ [pid 10692] <... futex resumed>) = 1 [pid 10687] <... futex resumed>) = 0 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10689, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10692] write(-1, "0x0000000000000001", 18 [pid 10687] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10692] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10687] <... futex resumed>) = 0 [pid 10692] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10687] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10692] <... futex resumed>) = 0 [pid 10687] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10692] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10687] exit_group(0 [pid 10692] <... futex resumed>) = ? [pid 10687] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 10695 attached [pid 10694] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10693] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10692] +++ exited with 0 +++ [pid 10687] +++ exited with 0 +++ [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10687, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10695] set_robust_list(0x55556dd196a0, 24 [pid 10694] <... prctl resumed>) = 0 [pid 10693] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10695] <... set_robust_list resumed>) = 0 [pid 10695] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 552] <... restart_syscall resumed>) = 0 [pid 10695] setpgid(0, 0) = 0 [pid 10695] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10693] <... futex resumed>) = 1 [pid 10688] <... futex resumed>) = 0 [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10696 attached [pid 10695] <... openat resumed>) = 3 [pid 10694] setpgid(0, 0 [pid 10693] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULLexecuting program [pid 10688] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10695] write(3, "1000", 4 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10696 [pid 10695] <... write resumed>) = 4 [pid 10695] close(3) = 0 [pid 10695] write(1, "executing program\n", 18) = 18 [pid 10695] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10695] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10695] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10695] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10695] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10695] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10694] <... setpgid resumed>) = 0 [pid 10693] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10688] <... futex resumed>) = 0 [pid 10695] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10695] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10693] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10688] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10695] <... clone3 resumed> => {parent_tid=[10697]}, 88) = 10697 [pid 554] <... restart_syscall resumed>) = 0 [pid 10695] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10693] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10695] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10693] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10695] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10697 attached [pid 10693] <... futex resumed>) = 1 [pid 10688] <... futex resumed>) = 0 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10697] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10697] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10697] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10693] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10688] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10697] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10695] <... futex resumed>) = 0 [pid 10695] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10695] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10697] <... futex resumed>) = 1 [pid 10697] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10697] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10688] <... futex resumed>) = 0 [pid 10693] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10688] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10698 [pid 10695] <... futex resumed>) = 0 [pid 10695] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10695] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10697] <... futex resumed>) = 1 [pid 10697] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10697] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10695] <... futex resumed>) = 0 [pid 10695] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10695] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10697] <... futex resumed>) = 1 [pid 10697] write(-1, "0x0000000000000001", 18 [pid 10693] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10697] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10697] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10695] <... futex resumed>) = 0 [pid 10695] exit_group(0) = ? [pid 10694] <... openat resumed>) = 3 [pid 10693] <... futex resumed>) = 1 [pid 10688] <... futex resumed>) = 0 [pid 10693] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10694] write(3, "1000", 4 [pid 10693] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10688] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10697] <... futex resumed>) = ? [pid 10693] write(-1, "0x0000000000000001", 18 [pid 10688] <... futex resumed>) = 0 [pid 10694] <... write resumed>) = 4 [pid 10693] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10688] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10693] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10694] close(3executing program [pid 10693] <... futex resumed>) = 0 [pid 10688] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10693] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10688] exit_group(0 [pid 10694] <... close resumed>) = 0 [pid 10688] <... exit_group resumed>) = ? [pid 10693] <... futex resumed>) = 0 [pid 10694] write(1, "executing program\n", 18 [pid 10697] +++ exited with 0 +++ [pid 10695] +++ exited with 0 +++ [pid 10694] <... write resumed>) = 18 [pid 10693] +++ exited with 0 +++ [pid 10688] +++ exited with 0 +++ [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10688, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10694] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10695, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 10698 attached [pid 10694] <... futex resumed>) = 0 [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10698] set_robust_list(0x55556dd196a0, 24 [pid 10694] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10698] <... set_robust_list resumed>) = 0 [pid 10698] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10694] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10698] <... prctl resumed>) = 0 [pid 10698] setpgid(0, 0) = 0 [pid 10698] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10694] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10696] set_robust_list(0x55556dd196a0, 24 [pid 10694] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 553] <... restart_syscall resumed>) = 0 [pid 10694] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10698] <... openat resumed>) = 3 [pid 10698] write(3, "1000", 4 executing program [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10694] <... mmap resumed>) = 0x7f70b113b000 [pid 10698] <... write resumed>) = 4 [pid 10698] close(3) = 0 [pid 10698] write(1, "executing program\n", 18) = 18 [pid 10698] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10694] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10699 [pid 10698] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10694] <... mprotect resumed>) = 0 [pid 10698] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10698] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10698] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10698] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10694] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10698] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10700]}, 88) = 10700 [pid 10698] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10698] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10698] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10699 attached [pid 10699] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10699] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10699] setpgid(0, 0) = 0 [pid 10699] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10694] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10696] <... set_robust_list resumed>) = 0 [pid 10699] write(3, "1000", 4 [pid 10694] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10699] <... write resumed>) = 4 [pid 10699] close(3 executing program [pid 10694] <... clone3 resumed> => {parent_tid=[10701]}, 88) = 10701 [pid 10694] rt_sigprocmask(SIG_SETMASK, [], [pid 10699] <... close resumed>) = 0 [pid 10694] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10699] write(1, "executing program\n", 18 [pid 10694] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10699] <... write resumed>) = 18 [pid 10694] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10699] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10696] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10699] <... futex resumed>) = 0 [pid 10699] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10699] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10699] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10699] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10699] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10699] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10702]}, 88) = 10702 [pid 10696] <... prctl resumed>) = 0 [pid 10699] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 555] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 10701 attached [pid 10696] setpgid(0, 0 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10703 attached [pid 10701] set_robust_list(0x7f70b115b9a0, 24 [pid 10696] <... setpgid resumed>) = 0 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10703 [pid 10699] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10696] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10699] <... futex resumed>) = 0 [pid 10699] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10696] <... openat resumed>) = 3 ./strace-static-x86_64: Process 10700 attached [pid 10700] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10700] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10700] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10700] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10698] <... futex resumed>) = 0 [pid 10698] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10698] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10700] <... futex resumed>) = 1 [pid 10700] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10696] write(3, "1000", 4 [pid 10700] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10698] <... futex resumed>) = 0 [pid 10698] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10698] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10700] <... futex resumed>) = 1 [pid 10700] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10700] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10698] <... futex resumed>) = 0 [pid 10698] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10696] <... write resumed>) = 4 [pid 10698] <... futex resumed>) = 0 [pid 10698] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10700] <... futex resumed>) = 1 [pid 10696] close(3 [pid 10700] write(-1, "0x0000000000000001", 18 [pid 10696] <... close resumed>) = 0 [pid 10700] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10696] write(1, "executing program\n", 18 [pid 10700] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10698] <... futex resumed>) = 0 [pid 10698] exit_group(0) = ? executing program [pid 10700] <... futex resumed>) = ? [pid 10703] set_robust_list(0x55556dd196a0, 24 [pid 10701] <... set_robust_list resumed>) = 0 [pid 10700] +++ exited with 0 +++ [pid 10698] +++ exited with 0 +++ [pid 10696] <... write resumed>) = 18 ./strace-static-x86_64: Process 10702 attached [pid 10696] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10698, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10696] <... futex resumed>) = 0 [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10696] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10702] set_robust_list(0x7f70b115b9a0, 24 [pid 10696] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10702] <... set_robust_list resumed>) = 0 [pid 10696] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10702] rt_sigprocmask(SIG_SETMASK, [], [pid 10696] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10702] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10696] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10696] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10702] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10696] <... mprotect resumed>) = 0 [pid 10702] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10702] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10699] <... futex resumed>) = 0 [pid 10699] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10696] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10699] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10696] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10702] <... futex resumed>) = 1 [pid 10696] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10702] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10702] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10699] <... futex resumed>) = 0 [pid 10699] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10696] <... clone3 resumed> => {parent_tid=[10704]}, 88) = 10704 [pid 10699] <... futex resumed>) = 0 [pid 10701] rt_sigprocmask(SIG_SETMASK, [], [pid 10696] rt_sigprocmask(SIG_SETMASK, [], [pid 10701] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10699] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10696] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10702] <... futex resumed>) = 1 [pid 10696] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10702] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10696] <... futex resumed>) = 0 [pid 10701] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10696] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10701] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10703] <... set_robust_list resumed>) = 0 [pid 10701] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10694] <... futex resumed>) = 0 [pid 10701] <... futex resumed>) = 1 [pid 10694] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10701] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10694] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10702] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10702] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10701] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10699] <... futex resumed>) = 0 [pid 10699] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10699] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10702] <... futex resumed>) = 1 [pid 10702] write(-1, "0x0000000000000001", 18 [pid 10701] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10702] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10703] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10701] <... futex resumed>) = 1 [pid 10694] <... futex resumed>) = 0 [pid 10702] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10701] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10694] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10699] <... futex resumed>) = 0 [pid 10694] <... futex resumed>) = 0 [pid 10701] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10699] exit_group(0 [pid 10694] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10699] <... exit_group resumed>) = ? [pid 10701] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10702] <... futex resumed>) = ? [pid 10703] <... prctl resumed>) = 0 [pid 10702] +++ exited with 0 +++ [pid 10701] <... futex resumed>) = 1 [pid 10699] +++ exited with 0 +++ [pid 10694] <... futex resumed>) = 0 [pid 10694] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10699, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10694] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10701] write(-1, "0x0000000000000001", 18./strace-static-x86_64: Process 10704 attached [pid 10704] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10704] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10704] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10703] setpgid(0, 0 [pid 10701] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10704] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10704] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10696] <... futex resumed>) = 0 [pid 10696] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10696] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10704] <... futex resumed>) = 1 [pid 10704] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10701] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10703] <... setpgid resumed>) = 0 [pid 10704] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10694] <... futex resumed>) = 0 [pid 10701] <... futex resumed>) = 1 [pid 10694] exit_group(0 [pid 10701] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10694] <... exit_group resumed>) = ? [pid 10701] <... futex resumed>) = -1 (errno 18446744073709551414) [pid 10704] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10696] <... futex resumed>) = 0 [pid 10696] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10696] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10704] <... futex resumed>) = 1 [pid 10704] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10704] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10701] +++ exited with 0 +++ [pid 10694] +++ exited with 0 +++ [pid 10703] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10696] <... futex resumed>) = 0 [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10694, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10696] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10696] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10704] <... futex resumed>) = 1 [pid 10703] <... openat resumed>) = 3 [pid 10704] write(-1, "0x0000000000000001", 18 [pid 10703] write(3, "1000", 4 [pid 10704] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10704] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10703] <... write resumed>) = 4 [pid 10696] <... futex resumed>) = 0 [pid 10696] exit_group(0) = ? [pid 10703] close(3 [pid 10704] <... futex resumed>) = ? [pid 10704] +++ exited with 0 +++ [pid 10703] <... close resumed>) = 0 [pid 10696] +++ exited with 0 +++ executing program [pid 10703] write(1, "executing program\n", 18 [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10696, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10703] <... write resumed>) = 18 [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10703] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] <... restart_syscall resumed>) = 0 [pid 10703] <... futex resumed>) = 0 [pid 10703] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10703] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10703] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10703] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10703] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 10705 attached [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10705 [pid 10705] set_robust_list(0x55556dd196a0, 24 [pid 10703] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10705] <... set_robust_list resumed>) = 0 [pid 10703] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10705] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10703] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10705] <... prctl resumed>) = 0 [pid 10703] <... clone3 resumed> => {parent_tid=[10706]}, 88) = 10706 [pid 10703] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10705] setpgid(0, 0 [pid 10703] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10703] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10706 attached [pid 10706] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10706] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10706] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10706] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10703] <... futex resumed>) = 0 [pid 10703] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10703] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10706] <... futex resumed>) = 1 [pid 10706] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10706] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10703] <... futex resumed>) = 0 [pid 10703] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10703] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10706] <... futex resumed>) = 1 [pid 10706] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10706] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10703] <... futex resumed>) = 0 [pid 10703] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10703] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10706] <... futex resumed>) = 1 [pid 10706] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10706] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] <... restart_syscall resumed>) = 0 [pid 10705] <... setpgid resumed>) = 0 [pid 10703] <... futex resumed>) = 0 [pid 10703] exit_group(0) = ? [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10706] <... futex resumed>) = ? [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10707 [pid 10705] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10706] +++ exited with 0 +++ [pid 10705] write(3, "1000", 4 [pid 10703] +++ exited with 0 +++ ./strace-static-x86_64: Process 10707 attached [pid 10705] <... write resumed>) = 4 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10703, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10705] close(3 [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 10707] set_robust_list(0x55556dd196a0, 24 [pid 10705] <... close resumed>) = 0 [pid 10707] <... set_robust_list resumed>) = 0 [pid 10707] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10707] setpgid(0, 0) = 0 [pid 10707] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 10705] write(1, "executing program\n", 18 [pid 10707] write(3, "1000", 4 [pid 10705] <... write resumed>) = 18 [pid 10707] <... write resumed>) = 4 [pid 10705] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 552] <... restart_syscall resumed>) = 0 [pid 10705] <... futex resumed>) = 0 [pid 10705] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10707] close(3executing program [pid 10705] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10705] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10705] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10707] <... close resumed>) = 0 [pid 10707] write(1, "executing program\n", 18) = 18 [pid 10707] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10707] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10707] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10705] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10708 [pid 10707] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10705] <... mmap resumed>) = 0x7f70b113b000 [pid 10705] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10707] <... mmap resumed>) = 0x7f70b113b000 [pid 10705] <... mprotect resumed>) = 0 [pid 10707] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10705] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10707] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10705] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10707] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10705] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10707] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10709]}, 88) = 10709 [pid 10707] rt_sigprocmask(SIG_SETMASK, [], [pid 555] <... restart_syscall resumed>) = 0 [pid 10705] <... clone3 resumed> => {parent_tid=[10710]}, 88) = 10710 [pid 10707] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10705] rt_sigprocmask(SIG_SETMASK, [], [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 551] <... restart_syscall resumed>) = 0 [pid 10705] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10707] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10707] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10708 attached [pid 10708] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10705] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10711 [pid 10708] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10705] <... futex resumed>) = 0 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10705] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10708] <... prctl resumed>) = 0 [pid 10708] setpgid(0, 0) = 0 [pid 10708] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10712 [pid 10708] <... openat resumed>) = 3 [pid 10708] write(3, "1000", 4) = 4 [pid 10708] close(3) = 0 executing program [pid 10708] write(1, "executing program\n", 18) = 18 [pid 10708] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10708] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10708] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10708] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10708] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10708] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10708] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0}./strace-static-x86_64: Process 10711 attached ./strace-static-x86_64: Process 10710 attached => {parent_tid=[10713]}, 88) = 10713 [pid 10708] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10708] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10708] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10709 attached [pid 10709] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10709] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10709] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10709] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10707] <... futex resumed>) = 0 [pid 10707] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10707] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10709] <... futex resumed>) = 1 [pid 10709] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10709] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10707] <... futex resumed>) = 0 [pid 10707] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10707] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10709] <... futex resumed>) = 1 [pid 10709] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10709] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10711] set_robust_list(0x55556dd196a0, 24 [pid 10707] <... futex resumed>) = 0 [pid 10707] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10707] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10709] <... futex resumed>) = 1 [pid 10709] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10709] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10707] <... futex resumed>) = 0 [pid 10707] exit_group(0) = ? [pid 10709] <... futex resumed>) = ? [pid 10711] <... set_robust_list resumed>) = 0 [pid 10711] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10710] set_robust_list(0x7f70b115b9a0, 24 [pid 10711] <... prctl resumed>) = 0 [pid 10711] setpgid(0, 0 [pid 10710] <... set_robust_list resumed>) = 0 [pid 10711] <... setpgid resumed>) = 0 [pid 10709] +++ exited with 0 +++ [pid 10707] +++ exited with 0 +++ [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10707, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 10712 attached [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10712] set_robust_list(0x55556dd196a0, 24 [pid 10711] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 553] <... restart_syscall resumed>) = 0 [pid 10712] <... set_robust_list resumed>) = 0 [pid 10712] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10711] <... openat resumed>) = 3 [pid 10712] setpgid(0, 0) = 0 [pid 10712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 10711] write(3, "1000", 4 [pid 10712] write(3, "1000", 4 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10714 [pid 10711] <... write resumed>) = 4 [pid 10711] close(3 [pid 10712] <... write resumed>) = 4 [pid 10712] close(3) = 0 [pid 10712] write(1, "executing program\n", 18) = 18 [pid 10712] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10712] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10712] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10712] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10712] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10712] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10711] <... close resumed>) = 0 [pid 10710] rt_sigprocmask(SIG_SETMASK, [], executing program [pid 10711] write(1, "executing program\n", 18 [pid 10712] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10712] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10711] <... write resumed>) = 18 [pid 10710] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10711] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10710] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10711] <... futex resumed>) = 0 [pid 10711] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10710] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10711] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10711] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 10715 attached ./strace-static-x86_64: Process 10714 attached ./strace-static-x86_64: Process 10713 attached NULL, 8) = 0 [pid 10710] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10712] <... clone3 resumed> => {parent_tid=[10715]}, 88) = 10715 [pid 10711] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10710] <... futex resumed>) = 1 [pid 10705] <... futex resumed>) = 0 [pid 10711] <... mmap resumed>) = 0x7f70b113b000 [pid 10710] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10705] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10711] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10710] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10705] <... futex resumed>) = 0 [pid 10711] <... mprotect resumed>) = 0 [pid 10710] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10705] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10712] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10712] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10712] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10711] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10710] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10711] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10711] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10710] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10713] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10713] rt_sigprocmask(SIG_SETMASK, [], [pid 10705] <... futex resumed>) = 0 [pid 10710] <... futex resumed>) = 1 [pid 10711] <... clone3 resumed> => {parent_tid=[10716]}, 88) = 10716 [pid 10705] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10711] rt_sigprocmask(SIG_SETMASK, [], [pid 10710] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10705] <... futex resumed>) = 0 [pid 10711] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10705] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10711] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10710] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10711] <... futex resumed>) = 0 [pid 10713] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10713] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10711] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10710] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10713] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10713] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10708] <... futex resumed>) = 0 [pid 10708] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10708] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10713] <... futex resumed>) = 1 [pid 10713] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10713] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10708] <... futex resumed>) = 0 [pid 10708] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10708] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10713] <... futex resumed>) = 1 [pid 10713] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10713] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10708] <... futex resumed>) = 0 [pid 10708] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10708] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10713] <... futex resumed>) = 1 [pid 10713] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10713] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10708] <... futex resumed>) = 0 [pid 10708] exit_group(0) = ? [pid 10713] <... futex resumed>) = ? ./strace-static-x86_64: Process 10716 attached [pid 10715] set_robust_list(0x7f70b115b9a0, 24 [pid 10714] set_robust_list(0x55556dd196a0, 24 [pid 10710] <... futex resumed>) = 1 [pid 10705] <... futex resumed>) = 0 [pid 10713] +++ exited with 0 +++ [pid 10710] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10708] +++ exited with 0 +++ [pid 10705] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10710] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10705] <... futex resumed>) = 0 [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10708, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10710] write(-1, "0x0000000000000001", 18 [pid 10705] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10710] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10710] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10705] <... futex resumed>) = 0 [pid 10710] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10705] exit_group(0 [pid 10710] <... futex resumed>) = ? [pid 10705] <... exit_group resumed>) = ? [pid 10716] set_robust_list(0x7f70b115b9a0, 24 [pid 10715] <... set_robust_list resumed>) = 0 [pid 10714] <... set_robust_list resumed>) = 0 [pid 10710] +++ exited with 0 +++ [pid 10714] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10714] setpgid(0, 0) = 0 [pid 10714] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10716] <... set_robust_list resumed>) = 0 [pid 10705] +++ exited with 0 +++ [pid 10716] rt_sigprocmask(SIG_SETMASK, [], [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10705, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10716] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10716] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10714] <... openat resumed>) = 3 [pid 10715] rt_sigprocmask(SIG_SETMASK, [], [pid 10716] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10714] write(3, "1000", 4) = 4 [pid 10714] close(3executing program ) = 0 [pid 10714] write(1, "executing program\n", 18) = 18 [pid 10714] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10716] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10715] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10714] <... futex resumed>) = 0 [pid 10714] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10714] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10714] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10714] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10714] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10711] <... futex resumed>) = 0 [pid 10716] <... futex resumed>) = 1 [pid 10711] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10716] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10715] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10711] <... futex resumed>) = 0 [pid 10714] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10711] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10716] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10715] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10714] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10717]}, 88) = 10717 [pid 10714] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10714] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10714] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10717 attached [pid 10717] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10717] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10717] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10717] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10714] <... futex resumed>) = 0 [pid 10714] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10714] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10717] <... futex resumed>) = 1 [pid 10717] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10717] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10714] <... futex resumed>) = 0 [pid 10714] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10714] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10717] <... futex resumed>) = 1 [pid 10717] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10717] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10714] <... futex resumed>) = 0 [pid 554] <... restart_syscall resumed>) = 0 [pid 552] <... restart_syscall resumed>) = 0 [pid 10716] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10715] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10716] <... futex resumed>) = 1 [pid 10715] <... futex resumed>) = 1 [pid 10711] <... futex resumed>) = 0 [pid 10716] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10715] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10711] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10716] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10711] <... futex resumed>) = 0 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10716] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10711] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10714] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10712] <... futex resumed>) = 0 [pid 10714] <... futex resumed>) = 0 [pid 10712] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10714] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10712] <... futex resumed>) = 1 [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10718 [pid 10712] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10717] <... futex resumed>) = 1 [pid 10717] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10719 [pid 10716] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10715] <... futex resumed>) = 0 [pid 10716] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10715] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10716] <... futex resumed>) = 1 [pid 10711] <... futex resumed>) = 0 [pid 10716] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10715] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10711] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10716] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10715] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10711] <... futex resumed>) = 0 [pid 10717] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10711] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10716] write(-1, "0x0000000000000001", 18 [pid 10715] <... futex resumed>) = 1 [pid 10712] <... futex resumed>) = 0 [pid 10716] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10715] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10712] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10716] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10715] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10712] <... futex resumed>) = 0 [pid 10716] <... futex resumed>) = 1 [pid 10715] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10712] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10711] <... futex resumed>) = 0 [pid 10716] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10715] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10711] exit_group(0 [pid 10715] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10714] <... futex resumed>) = 0 [pid 10711] <... exit_group resumed>) = ? [pid 10716] <... futex resumed>) = ? [pid 10715] <... futex resumed>) = 1 [pid 10714] exit_group(0 [pid 10712] <... futex resumed>) = 0 [pid 10714] <... exit_group resumed>) = ? [pid 10712] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10712] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10717] <... futex resumed>) = ? [pid 10716] +++ exited with 0 +++ [pid 10711] +++ exited with 0 +++ [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10711, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10715] write(-1, "0x0000000000000001", 18 [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 10715] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10715] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10712] <... futex resumed>) = 0 [pid 10715] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10712] exit_group(0 [pid 10715] <... futex resumed>) = ? [pid 10712] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 10719 attached ./strace-static-x86_64: Process 10718 attached [pid 10715] +++ exited with 0 +++ [pid 10712] +++ exited with 0 +++ [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10712, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10719] set_robust_list(0x55556dd196a0, 24 [pid 10718] set_robust_list(0x55556dd196a0, 24 [pid 10717] +++ exited with 0 +++ [pid 10714] +++ exited with 0 +++ [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10714, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10719] <... set_robust_list resumed>) = 0 [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10719] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10718] <... set_robust_list resumed>) = 0 [pid 10719] <... prctl resumed>) = 0 [pid 10719] setpgid(0, 0) = 0 [pid 10719] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10718] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10719] <... openat resumed>) = 3 [pid 10718] <... prctl resumed>) = 0 [pid 10719] write(3, "1000", 4) = 4 [pid 10719] close(3) = 0 executing program [pid 10719] write(1, "executing program\n", 18) = 18 [pid 10719] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10719] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10719] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10719] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10719] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10719] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10719] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10720]}, 88) = 10720 [pid 10718] setpgid(0, 0./strace-static-x86_64: Process 10720 attached [pid 10719] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10719] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10719] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10718] <... setpgid resumed>) = 0 [pid 10720] set_robust_list(0x7f70b115b9a0, 24 [pid 10718] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10720] <... set_robust_list resumed>) = 0 [pid 10720] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10720] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10720] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10720] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10719] <... futex resumed>) = 0 [pid 10718] <... openat resumed>) = 3 [pid 10718] write(3, "1000", 4) = 4 [pid 10718] close(3) = 0 executing program [pid 10718] write(1, "executing program\n", 18) = 18 [pid 10718] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10718] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10718] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10718] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10718] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10719] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10718] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10718] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10721]}, 88) = 10721 [pid 10718] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 10721 attached [pid 10720] <... futex resumed>) = 0 [pid 10719] <... futex resumed>) = 1 [pid 10718] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 555] <... restart_syscall resumed>) = 0 [pid 10720] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10718] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10721] set_robust_list(0x7f70b115b9a0, 24 [pid 10720] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10719] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10718] <... futex resumed>) = 0 [pid 553] <... restart_syscall resumed>) = 0 [pid 10721] <... set_robust_list resumed>) = 0 [pid 10721] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10721] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10721] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10721] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10720] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10719] <... futex resumed>) = 0 [pid 10720] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10719] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10720] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10719] <... futex resumed>) = 0 [pid 10720] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10719] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10720] <... futex resumed>) = 0 [pid 10719] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10720] write(-1, "0x0000000000000001", 18 [pid 10719] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10720] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10719] <... futex resumed>) = 0 [pid 10720] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10719] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10720] <... futex resumed>) = 0 [pid 10719] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10720] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10719] exit_group(0 [pid 10720] <... futex resumed>) = ? [pid 10719] <... exit_group resumed>) = ? [pid 10720] +++ exited with 0 +++ [pid 10719] +++ exited with 0 +++ [pid 10718] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 551] <... restart_syscall resumed>) = 0 [pid 10718] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10718] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10721] <... futex resumed>) = 0 [pid 10718] <... futex resumed>) = 1 [pid 10721] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10718] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10721] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10721] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10718] <... futex resumed>) = 0 [pid 10721] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10718] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10721] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10718] <... futex resumed>) = 0 [pid 10721] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10718] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10721] <... futex resumed>) = 0 [pid 10718] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10721] write(-1, "0x0000000000000001", 18 [pid 10718] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10721] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10718] <... futex resumed>) = 0 [pid 10721] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10718] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10721] <... futex resumed>) = 0 [pid 10718] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10721] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10718] exit_group(0 [pid 10721] <... futex resumed>) = ? [pid 10718] <... exit_group resumed>) = ? executing program [pid 10721] +++ exited with 0 +++ [pid 10718] +++ exited with 0 +++ [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10719, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10722 ./strace-static-x86_64: Process 10722 attached [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10718, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10722] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10722] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10722] setpgid(0, 0) = 0 [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10722] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10722] write(3, "1000", 4) = 4 [pid 10722] close(3) = 0 [pid 10722] write(1, "executing program\n", 18) = 18 [pid 10722] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10722] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10722] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10722] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10723 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10724 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10726 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10725 [pid 10722] <... mmap resumed>) = 0x7f70b113b000 [pid 10722] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10722] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10722] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10727]}, 88) = 10727 [pid 10722] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10722] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10722] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10723 attached [pid 10723] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10723] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 10725 attached ) = 0 ./strace-static-x86_64: Process 10726 attached [pid 10723] setpgid(0, 0 [pid 10726] set_robust_list(0x55556dd196a0, 24 [pid 10723] <... setpgid resumed>) = 0 [pid 10723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10726] <... set_robust_list resumed>) = 0 [pid 10726] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10725] set_robust_list(0x55556dd196a0, 24 [pid 10726] <... prctl resumed>) = 0 [pid 10726] setpgid(0, 0) = 0 [pid 10726] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10725] <... set_robust_list resumed>) = 0 [pid 10723] <... openat resumed>) = 3 [pid 10723] write(3, "1000", 4) = 4 [pid 10723] close(3) = 0 [pid 10726] <... openat resumed>) = 3 executing program [pid 10723] write(1, "executing program\n", 18) = 18 [pid 10723] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10723] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10723] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10726] write(3, "1000", 4 [pid 10723] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10726] <... write resumed>) = 4 [pid 10723] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10726] close(3) = 0 [pid 10723] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 executing program [pid 10726] write(1, "executing program\n", 18) = 18 [pid 10723] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10726] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10726] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10725] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10726] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10726] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10726] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10726] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10723] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10726] <... mprotect resumed>) = 0 [pid 10723] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0}./strace-static-x86_64: Process 10724 attached ./strace-static-x86_64: Process 10728 attached [pid 10725] <... prctl resumed>) = 0 [pid 10723] <... clone3 resumed> => {parent_tid=[10728]}, 88) = 10728 [pid 10726] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10723] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10723] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10726] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10723] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10726] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10729]}, 88) = 10729 [pid 10725] setpgid(0, 0 [pid 10724] set_robust_list(0x55556dd196a0, 24 [pid 10726] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10726] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10726] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10727 attached [pid 10727] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10727] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10727] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10725] <... setpgid resumed>) = 0 [pid 10727] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10722] <... futex resumed>) = 0 [pid 10722] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10722] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10727] <... futex resumed>) = 1 [pid 10727] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10727] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10722] <... futex resumed>) = 0 [pid 10722] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10722] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10727] <... futex resumed>) = 1 [pid 10727] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10727] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10722] <... futex resumed>) = 0 [pid 10722] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10724] <... set_robust_list resumed>) = 0 [pid 10722] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10727] <... futex resumed>) = 1 [pid 10727] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10727] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10722] <... futex resumed>) = 0 [pid 10722] exit_group(0) = ? [pid 10727] <... futex resumed>) = ? [pid 10725] <... openat resumed>) = 3 [pid 10724] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10725] write(3, "1000", 4 [pid 10727] +++ exited with 0 +++ [pid 10725] <... write resumed>) = 4 [pid 10724] <... prctl resumed>) = 0 [pid 10728] set_robust_list(0x7f70b115b9a0, 24 [pid 10722] +++ exited with 0 +++ [pid 10725] close(3 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10722, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10725] <... close resumed>) = 0 [pid 10724] setpgid(0, 0 [pid 555] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 10729 attached [pid 10725] write(1, "executing program\n", 18 [pid 10724] <... setpgid resumed>) = 0 [pid 10729] set_robust_list(0x7f70b115b9a0, 24) = 0 executing program [pid 10729] rt_sigprocmask(SIG_SETMASK, [], [pid 555] <... restart_syscall resumed>) = 0 [pid 10725] <... write resumed>) = 18 [pid 10729] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10729] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10725] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10729] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10725] <... futex resumed>) = 0 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10726] <... futex resumed>) = 0 [pid 10726] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10726] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10729] <... futex resumed>) = 1 [pid 10729] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10730 [pid 10725] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10724] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10729] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10725] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10726] <... futex resumed>) = 0 [pid 10726] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10724] <... openat resumed>) = 3 [pid 10725] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10726] <... futex resumed>) = 0 [pid 10726] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10729] <... futex resumed>) = 1 [pid 10729] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10725] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10724] write(3, "1000", 4 [pid 10729] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10726] <... futex resumed>) = 0 [pid 10726] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10726] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10729] <... futex resumed>) = 1 [pid 10729] write(-1, "0x0000000000000001", 18 [pid 10725] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10724] <... write resumed>) = 4 [pid 10728] <... set_robust_list resumed>) = 0 [pid 10725] <... mmap resumed>) = 0x7f70b113b000 [pid 10724] close(3 [pid 10725] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10729] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10725] <... mprotect resumed>) = 0 [pid 10724] <... close resumed>) = 0 [pid 10729] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10726] <... futex resumed>) = 0 [pid 10725] rt_sigprocmask(SIG_BLOCK, ~[], executing program [pid 10724] write(1, "executing program\n", 18 [pid 10725] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10726] exit_group(0 [pid 10725] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10724] <... write resumed>) = 18 [pid 10726] <... exit_group resumed>) = ? [pid 10724] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10725] <... clone3 resumed> => {parent_tid=[10731]}, 88) = 10731 [pid 10724] <... futex resumed>) = 0 [pid 10725] rt_sigprocmask(SIG_SETMASK, [], [pid 10724] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10725] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10724] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10725] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10724] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10729] <... futex resumed>) = ? [pid 10725] <... futex resumed>) = 0 [pid 10724] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10725] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10724] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10729] +++ exited with 0 +++ [pid 10728] rt_sigprocmask(SIG_SETMASK, [], [pid 10726] +++ exited with 0 +++ [pid 10724] <... mmap resumed>) = 0x7f70b113b000 [pid 10724] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10728] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10726, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10724] <... mprotect resumed>) = 0 [pid 554] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 10730 attached [pid 10730] set_robust_list(0x55556dd196a0, 24 [pid 10724] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10728] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10724] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10730] <... set_robust_list resumed>) = 0 [pid 10724] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10728] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10730] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10728] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10724] <... clone3 resumed> => {parent_tid=[10732]}, 88) = 10732 [pid 10730] <... prctl resumed>) = 0 [pid 10724] rt_sigprocmask(SIG_SETMASK, [], [pid 10728] <... futex resumed>) = 1 [pid 10723] <... futex resumed>) = 0 [pid 10724] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10723] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10724] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10728] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10723] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10724] <... futex resumed>) = 0 [pid 10730] setpgid(0, 0 [pid 10724] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10728] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10730] <... setpgid resumed>) = 0 [pid 10730] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10728] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10730] write(3, "1000", 4) = 4 [pid 10730] close(3 [pid 10728] <... futex resumed>) = 1 [pid 10723] <... futex resumed>) = 0 [pid 10723] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10723] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10730] <... close resumed>) = 0 [pid 10730] write(1, "executing program\n", 18executing program ) = 18 [pid 10730] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10730] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10730] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10730] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10730] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10730] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10728] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10730] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10730] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10733]}, 88) = 10733 [pid 10728] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10730] rt_sigprocmask(SIG_SETMASK, [], [pid 10728] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10730] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10728] <... futex resumed>) = 1 [pid 10723] <... futex resumed>) = 0 [pid 10728] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10723] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10728] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10723] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10730] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10728] write(-1, "0x0000000000000001", 18 [pid 10730] <... futex resumed>) = 0 [pid 10728] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10730] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10731 attached [pid 10728] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10723] <... futex resumed>) = 0 [pid 10728] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10723] exit_group(0 [pid 10728] <... futex resumed>) = ? [pid 10723] <... exit_group resumed>) = ? [pid 10728] +++ exited with 0 +++ [pid 10723] +++ exited with 0 +++ [pid 10731] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10723, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10731] rt_sigprocmask(SIG_SETMASK, [], [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10731] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10731] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10731] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10725] <... futex resumed>) = 0 [pid 10731] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10725] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10731] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10725] <... futex resumed>) = 0 [pid 10731] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10725] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10731] <... futex resumed>) = 0 [pid 10731] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10725] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10731] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10725] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10731] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10725] <... futex resumed>) = 0 [pid 10731] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10725] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10731] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10725] <... futex resumed>) = 0 [pid 10731] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 10732 attached [pid 10732] set_robust_list(0x7f70b115b9a0, 24 [pid 10725] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10732] <... set_robust_list resumed>) = 0 [pid 10731] <... futex resumed>) = 0 [pid 10725] <... futex resumed>) = 1 [pid 10731] write(-1, "0x0000000000000001", 18 [pid 10725] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 554] <... restart_syscall resumed>) = 0 [pid 551] <... restart_syscall resumed>) = 0 [pid 10731] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10731] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10725] <... futex resumed>) = 0 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10725] exit_group(0 [pid 10731] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10732] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10732] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10732] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10725] <... exit_group resumed>) = ? [pid 10731] <... futex resumed>) = ? [pid 10731] +++ exited with 0 +++ [pid 10732] <... futex resumed>) = 1 [pid 10732] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 10733 attached [pid 10733] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10733] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10733] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10733] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10730] <... futex resumed>) = 0 [pid 10730] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10725] +++ exited with 0 +++ [pid 10730] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10724] <... futex resumed>) = 0 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10734 [pid 10724] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10735 [pid 10724] <... futex resumed>) = 1 [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10725, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10724] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10732] <... futex resumed>) = 0 [pid 10732] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10733] <... futex resumed>) = 1 [pid 10732] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10733] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10732] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10733] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10732] <... futex resumed>) = 1 [pid 10724] <... futex resumed>) = 0 ./strace-static-x86_64: Process 10734 attached [pid 10724] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10733] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10732] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10724] <... futex resumed>) = 0 [pid 10733] <... futex resumed>) = 1 [pid 10732] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10730] <... futex resumed>) = 0 [pid 10724] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10733] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10732] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10730] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10724] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10733] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10732] <... futex resumed>) = 0 [pid 10730] <... futex resumed>) = 0 [pid 10733] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10732] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10730] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10724] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10733] <... futex resumed>) = 0 [pid 10732] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10730] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10724] <... futex resumed>) = 0 [pid 10733] write(-1, "0x0000000000000001", 18 [pid 10732] write(-1, "0x0000000000000001", 18 [pid 10730] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10724] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10733] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10732] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10730] <... futex resumed>) = 0 [pid 10733] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10732] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10730] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10733] <... futex resumed>) = 0 [pid 10732] <... futex resumed>) = 1 [pid 10730] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10724] <... futex resumed>) = 0 [pid 10733] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10732] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10730] exit_group(0 [pid 10733] <... futex resumed>) = ? [pid 10730] <... exit_group resumed>) = ? [pid 10724] exit_group(0 [pid 10734] set_robust_list(0x55556dd196a0, 24 [pid 10733] +++ exited with 0 +++ [pid 10730] +++ exited with 0 +++ [pid 10724] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 10735 attached [pid 10732] <... futex resumed>) = ? [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10730, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10735] set_robust_list(0x55556dd196a0, 24 [pid 10734] <... set_robust_list resumed>) = 0 [pid 10732] +++ exited with 0 +++ [pid 10724] +++ exited with 0 +++ [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 10735] <... set_robust_list resumed>) = 0 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10724, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10735] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10734] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10735] <... prctl resumed>) = 0 [pid 10734] <... prctl resumed>) = 0 [pid 10735] setpgid(0, 0) = 0 [pid 10735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10735] write(3, "1000", 4) = 4 executing program [pid 10735] close(3 [pid 10734] setpgid(0, 0 [pid 10735] <... close resumed>) = 0 [pid 10735] write(1, "executing program\n", 18) = 18 [pid 10735] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10735] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10735] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10735] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10735] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10735] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10735] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10734] <... setpgid resumed>) = 0 [pid 10735] <... clone3 resumed> => {parent_tid=[10736]}, 88) = 10736 [pid 10735] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10735] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10735] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10736 attached [pid 10736] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10736] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10736] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10736] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10735] <... futex resumed>) = 0 [pid 10735] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10735] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10736] <... futex resumed>) = 1 [pid 10736] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10736] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10735] <... futex resumed>) = 0 [pid 10735] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10735] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10736] <... futex resumed>) = 1 [pid 10736] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10736] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10735] <... futex resumed>) = 0 [pid 10735] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10735] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10736] <... futex resumed>) = 1 [pid 10736] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10736] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10735] <... futex resumed>) = 0 [pid 10735] exit_group(0) = ? [pid 10736] <... futex resumed>) = ? [pid 552] <... restart_syscall resumed>) = 0 [pid 553] <... restart_syscall resumed>) = 0 [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10736] +++ exited with 0 +++ [pid 10735] +++ exited with 0 +++ [pid 555] <... restart_syscall resumed>) = 0 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10737 attached [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10735, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10737 [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10738 [pid 10737] set_robust_list(0x55556dd196a0, 24 [pid 551] <... restart_syscall resumed>) = 0 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10739 [pid 10734] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 10738 attached [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10737] <... set_robust_list resumed>) = 0 [pid 10737] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10740 [pid 10734] <... openat resumed>) = 3 [pid 10734] write(3, "1000", 4 [pid 10738] set_robust_list(0x55556dd196a0, 24./strace-static-x86_64: Process 10740 attached ) = 0 [pid 10734] <... write resumed>) = 4 [pid 10734] close(3) = 0 [pid 10734] write(1, "executing program\n", 18 [pid 10738] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10740] set_robust_list(0x55556dd196a0, 24 [pid 10734] <... write resumed>) = 18 [pid 10738] <... prctl resumed>) = 0 executing program [pid 10734] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10738] setpgid(0, 0 [pid 10740] <... set_robust_list resumed>) = 0 [pid 10734] <... futex resumed>) = 0 [pid 10738] <... setpgid resumed>) = 0 [pid 10734] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10734] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10738] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10740] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10734] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10734] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10740] <... prctl resumed>) = 0 [pid 10738] <... openat resumed>) = 3 [pid 10734] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10738] write(3, "1000", 4 [pid 10740] setpgid(0, 0 [pid 10734] <... mprotect resumed>) = 0 [pid 10740] <... setpgid resumed>) = 0 [pid 10738] <... write resumed>) = 4 [pid 10734] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10738] close(3 [pid 10734] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10738] <... close resumed>) = 0 [pid 10734] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10738] write(1, "executing program\n", 18 [pid 10740] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10738] <... write resumed>) = 18 [pid 10734] <... clone3 resumed> => {parent_tid=[10741]}, 88) = 10741 [pid 10738] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10734] rt_sigprocmask(SIG_SETMASK, [], [pid 10738] <... futex resumed>) = 0 [pid 10734] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10738] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10734] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10740] <... openat resumed>) = 3 [pid 10738] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10734] <... futex resumed>) = 0 [pid 10740] write(3, "1000", 4 [pid 10738] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10740] <... write resumed>) = 4 [pid 10734] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10738] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10740] close(3 [pid 10738] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10740] <... close resumed>) = 0 [pid 10738] <... mmap resumed>) = 0x7f70b113b000 [pid 10740] write(1, "executing program\n", 18 [pid 10738] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10740] <... write resumed>) = 18 [pid 10738] <... mprotect resumed>) = 0 executing program executing program [pid 10738] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10740] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10738] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10740] <... futex resumed>) = 0 [pid 10738] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10740] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, ./strace-static-x86_64: Process 10742 attached NULL, 8) = 0 [pid 10742] set_robust_list(0x7f70b115b9a0, 24 [pid 10740] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10738] <... clone3 resumed> => {parent_tid=[10742]}, 88) = 10742 [pid 10742] <... set_robust_list resumed>) = 0 [pid 10738] rt_sigprocmask(SIG_SETMASK, [], [pid 10742] rt_sigprocmask(SIG_SETMASK, [], [pid 10740] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10738] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10742] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10740] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10738] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10740] <... mmap resumed>) = 0x7f70b113b000 [pid 10738] <... futex resumed>) = 0 [pid 10740] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10742] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10738] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10742] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10740] <... mprotect resumed>) = 0 [pid 10742] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10740] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10738] <... futex resumed>) = 0 [pid 10740] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10738] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10737] <... prctl resumed>) = 0 [pid 10740] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10738] <... futex resumed>) = 0 [pid 10738] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10737] setpgid(0, 0) = 0 [pid 10742] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10740] <... clone3 resumed> => {parent_tid=[10743]}, 88) = 10743 [pid 10737] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10740] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10737] <... openat resumed>) = 3 [pid 10740] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10737] write(3, "1000", 4) = 4 [pid 10737] close(3) = 0 executing program [pid 10740] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10737] write(1, "executing program\n", 18 [pid 10742] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10737] <... write resumed>) = 18 [pid 10737] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10737] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10737] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10737] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10737] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10737] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10737] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10742] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10737] <... clone3 resumed> => {parent_tid=[10744]}, 88) = 10744 [pid 10742] <... futex resumed>) = 1 [pid 10738] <... futex resumed>) = 0 [pid 10742] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10738] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10737] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10738] <... futex resumed>) = 0 [pid 10738] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10742] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10737] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10737] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10739 attached [pid 10742] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10739] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10739] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10742] <... futex resumed>) = 1 [pid 10738] <... futex resumed>) = 0 [pid 10739] <... prctl resumed>) = 0 [pid 10738] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10742] write(-1, "0x0000000000000001", 18 [pid 10739] setpgid(0, 0 [pid 10738] <... futex resumed>) = 0 [pid 10742] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10739] <... setpgid resumed>) = 0 [pid 10738] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10742] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10742] <... futex resumed>) = 1 [pid 10739] <... openat resumed>) = 3 [pid 10738] <... futex resumed>) = 0 [pid 10739] write(3, "1000", 4 [pid 10738] exit_group(0executing program [pid 10742] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 (errno 18446744073709551414) [pid 10738] <... exit_group resumed>) = ? [pid 10739] <... write resumed>) = 4 [pid 10739] close(3) = 0 [pid 10739] write(1, "executing program\n", 18) = 18 [pid 10739] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10739] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10739] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10739] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10742] +++ exited with 0 +++ [pid 10738] +++ exited with 0 +++ [pid 10739] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10738, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 553] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 10739] <... mprotect resumed>) = 0 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10739] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10745 [pid 10739] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10746]}, 88) = 10746 [pid 10739] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10739] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10739] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10741 attached [pid 10741] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10741] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 10743 attached [pid 10741] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7./strace-static-x86_64: Process 10746 attached [pid 10743] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10743] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10741] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10743] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7./strace-static-x86_64: Process 10744 attached [pid 10741] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10744] set_robust_list(0x7f70b115b9a0, 24 [pid 10743] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10741] <... futex resumed>) = 1 [pid 10734] <... futex resumed>) = 0 [pid 10744] <... set_robust_list resumed>) = 0 [pid 10743] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10741] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10734] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10744] rt_sigprocmask(SIG_SETMASK, [], [pid 10743] <... futex resumed>) = 1 [pid 10741] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10740] <... futex resumed>) = 0 [pid 10734] <... futex resumed>) = 0 [pid 10744] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10743] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10741] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10740] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10734] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10740] <... futex resumed>) = 0 [pid 10734] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10740] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10734] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10744] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10743] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10741] <... futex resumed>) = 0 [pid 10734] <... futex resumed>) = 0 [pid 10744] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10743] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10741] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000./strace-static-x86_64: Process 10745 attached [pid 10746] set_robust_list(0x7f70b115b9a0, 24 [pid 10744] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10743] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10741] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10734] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10744] <... futex resumed>) = 1 [pid 10743] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10741] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10737] <... futex resumed>) = 0 [pid 10746] <... set_robust_list resumed>) = 0 [pid 10744] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10743] <... futex resumed>) = 1 [pid 10741] <... futex resumed>) = 1 [pid 10740] <... futex resumed>) = 0 [pid 10737] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10734] <... futex resumed>) = 0 [pid 10744] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10743] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10741] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10740] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10746] rt_sigprocmask(SIG_SETMASK, [], [pid 10737] <... futex resumed>) = 0 [pid 10734] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10745] set_robust_list(0x55556dd196a0, 24 [pid 10744] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10743] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10741] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10740] <... futex resumed>) = 0 [pid 10746] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10737] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10734] <... futex resumed>) = 0 [pid 10746] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10745] <... set_robust_list resumed>) = 0 [pid 10744] <... futex resumed>) = 0 [pid 10743] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10741] write(-1, "0x0000000000000001", 18 [pid 10740] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10737] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10734] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10744] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10743] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10741] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10737] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10746] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10745] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10744] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10743] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10741] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10737] <... futex resumed>) = 0 [pid 10746] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10745] <... prctl resumed>) = 0 [pid 10744] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10743] <... futex resumed>) = 1 [pid 10741] <... futex resumed>) = 1 [pid 10740] <... futex resumed>) = 0 [pid 10737] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10734] <... futex resumed>) = 0 [pid 10744] <... futex resumed>) = 0 [pid 10743] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10741] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10740] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10746] <... futex resumed>) = 1 [pid 10739] <... futex resumed>) = 0 [pid 10737] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10734] exit_group(0 [pid 10745] setpgid(0, 0 [pid 10744] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10743] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10740] <... futex resumed>) = 0 [pid 10746] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10741] <... futex resumed>) = ? [pid 10739] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10737] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10734] <... exit_group resumed>) = ? [pid 10746] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10745] <... setpgid resumed>) = 0 [pid 10744] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10743] write(-1, "0x0000000000000001", 18 [pid 10741] +++ exited with 0 +++ [pid 10740] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10739] <... futex resumed>) = 0 [pid 10737] <... futex resumed>) = 0 [pid 10744] write(-1, "0x0000000000000001", 18 [pid 10743] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10739] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10737] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10744] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10743] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10744] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10743] <... futex resumed>) = 0 [pid 10734] +++ exited with 0 +++ [pid 10746] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10744] <... futex resumed>) = 1 [pid 10743] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10740] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10737] <... futex resumed>) = 0 [pid 10746] <... futex resumed>) = 1 [pid 10745] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10744] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10740] exit_group(0 [pid 10739] <... futex resumed>) = 0 [pid 10737] exit_group(0 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10734, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10746] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10744] <... futex resumed>) = ? [pid 10743] <... futex resumed>) = ? [pid 10740] <... exit_group resumed>) = ? [pid 10739] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10737] <... exit_group resumed>) = ? [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10746] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10745] <... openat resumed>) = 3 [pid 10744] +++ exited with 0 +++ [pid 10743] +++ exited with 0 +++ [pid 10740] +++ exited with 0 +++ [pid 10739] <... futex resumed>) = 0 [pid 10737] +++ exited with 0 +++ [pid 10739] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10746] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10745] write(3, "1000", 4 [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10740, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10737, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10746] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10745] <... write resumed>) = 4 [pid 10746] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10739] <... futex resumed>) = 0 [pid 10746] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10739] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10746] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10739] <... futex resumed>) = 0 [pid 10746] write(-1, "0x0000000000000001", 18 [pid 10745] close(3 [pid 10739] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10746] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10746] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10739] <... futex resumed>) = 0 [pid 10746] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10745] <... close resumed>) = 0 [pid 10739] exit_group(0 [pid 10746] <... futex resumed>) = ? [pid 10745] write(1, "executing program\n", 18 [pid 10739] <... exit_group resumed>) = ? executing program [pid 10746] +++ exited with 0 +++ [pid 10745] <... write resumed>) = 18 [pid 10739] +++ exited with 0 +++ [pid 552] <... restart_syscall resumed>) = 0 [pid 10745] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10739, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 554] <... restart_syscall resumed>) = 0 [pid 10745] <... futex resumed>) = 0 [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 555] <... restart_syscall resumed>) = 0 [pid 10745] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10745] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 551] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 10747 attached [pid 10745] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10747] set_robust_list(0x55556dd196a0, 24 [pid 10745] <... mmap resumed>) = 0x7f70b113b000 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10747 [pid 10747] <... set_robust_list resumed>) = 0 [pid 10745] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10745] <... mprotect resumed>) = 0 [pid 10745] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10745] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10749]}, 88) = 10749 [pid 10745] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10745] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10745] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10748 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10747] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 10748 attached [pid 10748] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10748] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10750 [pid 10747] <... prctl resumed>) = 0 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10751 [pid 10747] setpgid(0, 0./strace-static-x86_64: Process 10751 attached ./strace-static-x86_64: Process 10750 attached ./strace-static-x86_64: Process 10749 attached [pid 10748] <... prctl resumed>) = 0 [pid 10748] setpgid(0, 0) = 0 [pid 10748] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10747] <... setpgid resumed>) = 0 [pid 10748] <... openat resumed>) = 3 [pid 10747] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10748] write(3, "1000", 4executing program ) = 4 [pid 10748] close(3) = 0 [pid 10748] write(1, "executing program\n", 18) = 18 [pid 10748] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10748] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10748] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10748] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10748] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10748] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10748] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10747] <... openat resumed>) = 3 [pid 10748] <... clone3 resumed> => {parent_tid=[10752]}, 88) = 10752 [pid 10748] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10748] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10748] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10749] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10749] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 10752 attached [pid 10749] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10747] write(3, "1000", 4 [pid 10749] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10747] <... write resumed>) = 4 [pid 10749] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 10747] close(3) = 0 [pid 10745] <... futex resumed>) = 0 [pid 10747] write(1, "executing program\n", 18 [pid 10745] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10747] <... write resumed>) = 18 [pid 10745] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10747] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10749] <... futex resumed>) = 1 [pid 10747] <... futex resumed>) = 0 [pid 10749] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10747] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10749] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10747] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10749] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10747] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10749] <... futex resumed>) = 1 [pid 10745] <... futex resumed>) = 0 [pid 10749] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10745] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10749] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10747] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10745] <... futex resumed>) = 0 [pid 10749] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10747] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10745] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10749] <... futex resumed>) = 0 [pid 10747] <... mmap resumed>) = 0x7f70b113b000 [pid 10745] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10749] write(-1, "0x0000000000000001", 18 [pid 10745] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10749] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10745] <... futex resumed>) = 0 [pid 10749] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10747] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10745] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10749] <... futex resumed>) = 0 [pid 10747] <... mprotect resumed>) = 0 [pid 10745] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10749] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10745] exit_group(0 [pid 10749] <... futex resumed>) = ? [pid 10747] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10745] <... exit_group resumed>) = ? [pid 10752] set_robust_list(0x7f70b115b9a0, 24 [pid 10751] set_robust_list(0x55556dd196a0, 24 [pid 10750] set_robust_list(0x55556dd196a0, 24 [pid 10747] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10749] +++ exited with 0 +++ [pid 10745] +++ exited with 0 +++ [pid 10747] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0}./strace-static-x86_64: Process 10753 attached [pid 10752] <... set_robust_list resumed>) = 0 [pid 10751] <... set_robust_list resumed>) = 0 [pid 10750] <... set_robust_list resumed>) = 0 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10745, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10752] rt_sigprocmask(SIG_SETMASK, [], [pid 10751] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10750] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10752] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10751] <... prctl resumed>) = 0 [pid 10750] <... prctl resumed>) = 0 [pid 10752] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10751] setpgid(0, 0 [pid 10750] setpgid(0, 0 [pid 10747] <... clone3 resumed> => {parent_tid=[10753]}, 88) = 10753 [pid 10753] set_robust_list(0x7f70b115b9a0, 24 [pid 10752] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10751] <... setpgid resumed>) = 0 [pid 10750] <... setpgid resumed>) = 0 [pid 10753] <... set_robust_list resumed>) = 0 [pid 10752] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10751] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10750] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10747] rt_sigprocmask(SIG_SETMASK, [], [pid 10753] rt_sigprocmask(SIG_SETMASK, [], [pid 10752] <... futex resumed>) = 1 [pid 10751] <... openat resumed>) = 3 [pid 10750] <... openat resumed>) = 3 [pid 10748] <... futex resumed>) = 0 [pid 10752] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10751] write(3, "1000", 4 [pid 10750] write(3, "1000", 4 [pid 10748] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10747] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10752] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10751] <... write resumed>) = 4 [pid 10750] <... write resumed>) = 4 [pid 10748] <... futex resumed>) = 0 [pid 10752] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10751] close(3 [pid 10750] close(3 [pid 10748] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10752] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10751] <... close resumed>) = 0 [pid 10750] <... close resumed>) = 0 [pid 10752] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 10751] write(1, "executing program\n", 18 [pid 10750] write(1, "executing program\n", 18 [pid 10752] <... futex resumed>) = 1 executing program [pid 10751] <... write resumed>) = 18 [pid 10750] <... write resumed>) = 18 [pid 10748] <... futex resumed>) = 0 [pid 10752] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10751] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10750] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10748] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10752] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10751] <... futex resumed>) = 0 [pid 10750] <... futex resumed>) = 0 [pid 10748] <... futex resumed>) = 0 [pid 10752] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10751] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10750] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10748] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10752] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10751] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10750] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10752] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10751] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10750] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10752] <... futex resumed>) = 1 [pid 10751] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10750] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10748] <... futex resumed>) = 0 [pid 10752] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10751] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10750] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10748] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10753] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10752] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10751] <... mmap resumed>) = 0x7f70b113b000 [pid 10750] <... mmap resumed>) = 0x7f70b113b000 [pid 10748] <... futex resumed>) = 0 [pid 10747] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10752] write(-1, "0x0000000000000001", 18 [pid 10751] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10750] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10748] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10753] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10752] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10751] <... mprotect resumed>) = 0 [pid 10750] <... mprotect resumed>) = 0 [pid 10747] <... futex resumed>) = 0 [pid 10753] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10752] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10751] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10750] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10747] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 553] <... restart_syscall resumed>) = 0 [pid 10753] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10752] <... futex resumed>) = 1 [pid 10751] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10750] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10748] <... futex resumed>) = 0 [pid 10747] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10752] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10751] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10750] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10748] exit_group(0 [pid 10747] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10753] <... futex resumed>) = 0 [pid 10752] <... futex resumed>) = ? [pid 10748] <... exit_group resumed>) = ? [pid 10747] <... futex resumed>) = 0 ./strace-static-x86_64: Process 10754 attached [pid 10753] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10752] +++ exited with 0 +++ [pid 10751] <... clone3 resumed> => {parent_tid=[10754]}, 88) = 10754 [pid 10750] <... clone3 resumed> => {parent_tid=[10755]}, 88) = 10755 [pid 10748] +++ exited with 0 +++ [pid 10747] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10754] set_robust_list(0x7f70b115b9a0, 24 [pid 10751] rt_sigprocmask(SIG_SETMASK, [], [pid 10750] rt_sigprocmask(SIG_SETMASK, [], [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10748, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10753] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10751] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10750] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10751] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10750] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10751] <... futex resumed>) = 0 [pid 10750] <... futex resumed>) = 0 [pid 10751] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10750] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10755 attached [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 10753] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10756 [pid 10755] set_robust_list(0x7f70b115b9a0, 24 [pid 10753] <... futex resumed>) = 1 [pid 10747] <... futex resumed>) = 0 [pid 10755] <... set_robust_list resumed>) = 0 [pid 10753] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10747] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10755] rt_sigprocmask(SIG_SETMASK, [], [pid 10747] <... futex resumed>) = 0 [pid 10753] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10747] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10755] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10753] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10755] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10755] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10750] <... futex resumed>) = 0 [pid 10750] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10750] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10755] <... futex resumed>) = 1 [pid 10755] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10753] <... futex resumed>) = 1 [pid 10747] <... futex resumed>) = 0 [pid 10755] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10747] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10753] write(-1, "0x0000000000000001", 18 [pid 10747] <... futex resumed>) = 0 [pid 10753] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10750] <... futex resumed>) = 0 [pid 10747] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10750] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10753] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10750] <... futex resumed>) = 0 [pid 10753] <... futex resumed>) = 1 [pid 10750] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10747] <... futex resumed>) = 0 [pid 10755] <... futex resumed>) = 1 [pid 10753] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10747] exit_group(0 [pid 10755] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10747] <... exit_group resumed>) = ? [pid 10753] <... futex resumed>) = ? [pid 10755] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10755] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10750] <... futex resumed>) = 0 [pid 10750] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10750] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10755] <... futex resumed>) = 1 [pid 10755] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10755] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10753] +++ exited with 0 +++ [pid 10750] <... futex resumed>) = 0 [pid 10747] +++ exited with 0 +++ [pid 10750] exit_group(0) = ? [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10747, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10755] <... futex resumed>) = ? [pid 10755] +++ exited with 0 +++ [pid 10754] <... set_robust_list resumed>) = 0 [pid 10750] +++ exited with 0 +++ [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10750, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 554] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 10756 attached [pid 10756] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10756] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10756] setpgid(0, 0) = 0 [pid 10756] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10756] write(3, "1000", 4) = 4 [pid 10756] close(3) = 0 executing program [pid 10756] write(1, "executing program\n", 18) = 18 [pid 10756] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10756] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10756] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10756] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10756] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10756] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10756] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10757]}, 88) = 10757 [pid 10754] rt_sigprocmask(SIG_SETMASK, [], [pid 10756] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10756] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10756] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10757 attached [pid 10757] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10757] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10757] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10754] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10757] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10756] <... futex resumed>) = 0 [pid 10756] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10756] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10757] <... futex resumed>) = 1 [pid 10757] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10757] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10756] <... futex resumed>) = 0 [pid 10756] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10756] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10757] <... futex resumed>) = 1 [pid 10757] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10757] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10756] <... futex resumed>) = 0 [pid 10756] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10756] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10757] <... futex resumed>) = 1 [pid 10757] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10757] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10756] <... futex resumed>) = 0 [pid 10756] exit_group(0) = ? [pid 10754] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10757] <... futex resumed>) = ? [pid 10754] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10754] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10751] <... futex resumed>) = 0 [pid 10754] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10751] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10751] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10757] +++ exited with 0 +++ [pid 10756] +++ exited with 0 +++ [pid 10754] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10754] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10756, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 555] <... restart_syscall resumed>) = 0 [pid 554] <... restart_syscall resumed>) = 0 [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program executing program [pid 10754] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10754] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10751] <... futex resumed>) = 0 [pid 10751] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10751] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10754] <... futex resumed>) = 1 [pid 10754] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10754] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10751] <... futex resumed>) = 0 [pid 553] <... restart_syscall resumed>) = 0 [pid 552] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 10759 attached ./strace-static-x86_64: Process 10758 attached [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10758 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10759 [pid 10751] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10751] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10759] set_robust_list(0x55556dd196a0, 24 [pid 10758] set_robust_list(0x55556dd196a0, 24 [pid 10754] <... futex resumed>) = 1 [pid 10754] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10754] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10751] <... futex resumed>) = 0 [pid 10751] exit_group(0) = ? [pid 10754] <... futex resumed>) = ? [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10760 [pid 10759] <... set_robust_list resumed>) = 0 [pid 10758] <... set_robust_list resumed>) = 0 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10761 ./strace-static-x86_64: Process 10760 attached [pid 10759] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10758] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10759] <... prctl resumed>) = 0 [pid 10760] set_robust_list(0x55556dd196a0, 24 [pid 10758] <... prctl resumed>) = 0 [pid 10760] <... set_robust_list resumed>) = 0 [pid 10759] setpgid(0, 0 [pid 10758] setpgid(0, 0 [pid 10759] <... setpgid resumed>) = 0 [pid 10758] <... setpgid resumed>) = 0 [pid 10759] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10758] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10754] +++ exited with 0 +++ [pid 10751] +++ exited with 0 +++ [pid 10759] <... openat resumed>) = 3 [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10751, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10759] write(3, "1000", 4 [pid 10758] <... openat resumed>) = 3 [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10760] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10759] <... write resumed>) = 4 [pid 10758] write(3, "1000", 4 [pid 10760] <... prctl resumed>) = 0 [pid 10759] close(3 [pid 10758] <... write resumed>) = 4 [pid 10759] <... close resumed>) = 0 [pid 10760] setpgid(0, 0 [pid 10759] write(1, "executing program\n", 18 [pid 10758] close(3 [pid 10760] <... setpgid resumed>) = 0 [pid 10759] <... write resumed>) = 18 [pid 10758] <... close resumed>) = 0 [pid 10759] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10758] write(1, "executing program\n", 18 [pid 10759] <... futex resumed>) = 0 [pid 10758] <... write resumed>) = 18 [pid 10759] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10758] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10760] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10759] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10758] <... futex resumed>) = 0 [pid 10759] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10758] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10759] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10758] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10760] <... openat resumed>) = 3 [pid 10759] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10758] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10760] write(3, "1000", 4 [pid 10759] <... mmap resumed>) = 0x7f70b113b000 [pid 10758] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10760] <... write resumed>) = 4 [pid 10759] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10758] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10760] close(3 [pid 10759] <... mprotect resumed>) = 0 [pid 10758] <... mmap resumed>) = 0x7f70b113b000 ./strace-static-x86_64: Process 10761 attached [pid 10761] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10759] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10758] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10760] <... close resumed>) = 0 [pid 10759] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10758] <... mprotect resumed>) = 0 [pid 10759] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10758] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10761] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10758] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10760] write(1, "executing program\n", 18executing program [pid 10759] <... clone3 resumed> => {parent_tid=[10762]}, 88) = 10762 [pid 10758] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10759] rt_sigprocmask(SIG_SETMASK, [], [pid 10761] setpgid(0, 0) = 0 [pid 10760] <... write resumed>) = 18 [pid 10759] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10758] <... clone3 resumed> => {parent_tid=[10763]}, 88) = 10763 [pid 10759] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10758] rt_sigprocmask(SIG_SETMASK, [], [pid 10760] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10759] <... futex resumed>) = 0 [pid 10758] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10759] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10760] <... futex resumed>) = 0 [pid 10758] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10760] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10758] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10760] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10761] write(3, "1000", 4 [pid 10760] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10761] <... write resumed>) = 4 [pid 10761] close(3) = 0 executing program [pid 10760] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10761] write(1, "executing program\n", 18) = 18 [pid 10761] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10761] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10761] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10761] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10761] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10760] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10761] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10761] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10764]}, 88) = 10764 [pid 10760] <... mmap resumed>) = 0x7f70b113b000 [pid 10761] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10761] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10761] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10762 attached [pid 10762] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10762] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 10763 attached [pid 10762] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10760] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10763] set_robust_list(0x7f70b115b9a0, 24 [pid 10760] <... mprotect resumed>) = 0 [pid 10763] <... set_robust_list resumed>) = 0 [pid 10763] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10763] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10762] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10760] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10762] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10760] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10762] <... futex resumed>) = 1 [pid 10760] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10759] <... futex resumed>) = 0 [pid 10762] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10763] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10759] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10765 attached ./strace-static-x86_64: Process 10764 attached [pid 10762] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10759] <... futex resumed>) = 0 [pid 551] <... restart_syscall resumed>) = 0 [pid 10765] set_robust_list(0x7f70b115b9a0, 24 [pid 10760] <... clone3 resumed> => {parent_tid=[10765]}, 88) = 10765 [pid 10759] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10765] <... set_robust_list resumed>) = 0 [pid 10760] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10765] rt_sigprocmask(SIG_SETMASK, [], [pid 10760] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10765] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10760] <... futex resumed>) = 0 [pid 10763] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10762] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10763] <... futex resumed>) = 1 [pid 10762] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10763] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10762] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10760] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10759] <... futex resumed>) = 0 [pid 10758] <... futex resumed>) = 0 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10766 [pid 10765] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10759] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10758] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10765] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10759] <... futex resumed>) = 0 [pid 10758] <... futex resumed>) = 1 [pid 10763] <... futex resumed>) = 0 [pid 10759] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10758] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10765] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10763] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10762] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10763] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10762] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10763] <... futex resumed>) = 1 [pid 10758] <... futex resumed>) = 0 [pid 10765] <... futex resumed>) = 1 [pid 10760] <... futex resumed>) = 0 [pid 10758] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10765] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10760] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10763] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10762] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10760] <... futex resumed>) = 0 [pid 10758] <... futex resumed>) = 0 [pid 10765] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10760] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10758] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10765] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10763] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10762] <... futex resumed>) = 1 [pid 10762] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10759] <... futex resumed>) = 0 [pid 10760] <... futex resumed>) = 0 [pid 10765] <... futex resumed>) = 1 [pid 10760] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10759] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10765] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10760] <... futex resumed>) = 0 [pid 10759] <... futex resumed>) = 0 [pid 10760] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10763] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10762] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10759] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10765] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10765] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10763] <... futex resumed>) = 1 [pid 10762] write(-1, "0x0000000000000001", 18 [pid 10758] <... futex resumed>) = 0 [pid 10763] write(-1, "0x0000000000000001", 18 [pid 10762] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10758] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10763] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10762] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10765] <... futex resumed>) = 1 [pid 10760] <... futex resumed>) = 0 [pid 10758] <... futex resumed>) = 0 [pid 10760] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10758] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10765] write(-1, "0x0000000000000001", 18 [pid 10760] <... futex resumed>) = 0 [pid 10765] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10763] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10762] <... futex resumed>) = 1 [pid 10760] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10759] <... futex resumed>) = 0 [pid 10765] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10759] exit_group(0 [pid 10763] <... futex resumed>) = 1 [pid 10760] <... futex resumed>) = 0 [pid 10765] <... futex resumed>) = 1 [pid 10759] <... exit_group resumed>) = ? [pid 10758] <... futex resumed>) = 0 [pid 10764] set_robust_list(0x7f70b115b9a0, 24 [pid 10763] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10762] +++ exited with 0 +++ [pid 10760] exit_group(0 [pid 10764] <... set_robust_list resumed>) = 0 [pid 10764] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10764] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10764] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10761] <... futex resumed>) = 0 [pid 10759] +++ exited with 0 +++ [pid 10758] exit_group(0 [pid 10764] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10761] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10760] <... exit_group resumed>) = ? [pid 10758] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 10766 attached [pid 10764] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10763] <... futex resumed>) = ? [pid 10761] <... futex resumed>) = 0 [pid 10764] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10763] +++ exited with 0 +++ [pid 10761] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10764] <... futex resumed>) = 0 [pid 10761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10764] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10761] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10764] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10761] <... futex resumed>) = 0 [pid 10764] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10761] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10764] <... futex resumed>) = 0 [pid 10761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10764] write(-1, "0x0000000000000001", 18 [pid 10761] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10758] +++ exited with 0 +++ [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10759, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10764] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10761] <... futex resumed>) = 0 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10758, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10764] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10761] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 10764] <... futex resumed>) = 0 [pid 10761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10765] +++ exited with 0 +++ [pid 10764] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10761] exit_group(0 [pid 10760] +++ exited with 0 +++ [pid 10764] <... futex resumed>) = ? [pid 10761] <... exit_group resumed>) = ? [pid 10766] set_robust_list(0x55556dd196a0, 24 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10760, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10766] <... set_robust_list resumed>) = 0 [pid 10766] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10764] +++ exited with 0 +++ [pid 10761] +++ exited with 0 +++ [pid 10766] <... prctl resumed>) = 0 [pid 10766] setpgid(0, 0 [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10761, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10766] <... setpgid resumed>) = 0 [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10766] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10766] write(3, "1000", 4) = 4 [pid 10766] close(3) = 0 executing program [pid 10766] write(1, "executing program\n", 18) = 18 [pid 10766] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10766] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10766] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10766] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10766] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10766] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10766] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10767]}, 88) = 10767 [pid 10766] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10766] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10766] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10767 attached [pid 10767] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10767] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10767] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10767] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10766] <... futex resumed>) = 0 [pid 10766] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10766] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 555] <... restart_syscall resumed>) = 0 [pid 554] <... restart_syscall resumed>) = 0 [pid 553] <... restart_syscall resumed>) = 0 [pid 552] <... restart_syscall resumed>) = 0 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10769 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10768 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10770 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10771 [pid 10767] <... futex resumed>) = 1 [pid 10767] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10767] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10766] <... futex resumed>) = 0 [pid 10766] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10766] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10767] <... futex resumed>) = 1 [pid 10767] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10767] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10766] <... futex resumed>) = 0 [pid 10766] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10766] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10767] <... futex resumed>) = 1 [pid 10767] write(-1, "0x0000000000000001", 18./strace-static-x86_64: Process 10771 attached ) = -1 EBADF (Bad file descriptor) [pid 10767] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10766] <... futex resumed>) = 0 [pid 10766] exit_group(0) = ? [pid 10767] <... futex resumed>) = ? [pid 10771] set_robust_list(0x55556dd196a0, 24) = 0 ./strace-static-x86_64: Process 10769 attached [pid 10771] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 10768 attached [pid 10769] set_robust_list(0x55556dd196a0, 24 [pid 10767] +++ exited with 0 +++ [pid 10766] +++ exited with 0 +++ [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10766, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 551] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 10770 attached [pid 10770] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10770] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10770] setpgid(0, 0) = 0 [pid 10770] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10770] write(3, "1000", 4 [pid 10771] <... prctl resumed>) = 0 [pid 10770] <... write resumed>) = 4 [pid 10770] close(3) = 0 executing program [pid 10770] write(1, "executing program\n", 18) = 18 [pid 10770] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10770] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10770] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10770] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10770] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10770] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10771] setpgid(0, 0 [pid 10769] <... set_robust_list resumed>) = 0 [pid 10768] set_robust_list(0x55556dd196a0, 24 [pid 10771] <... setpgid resumed>) = 0 [pid 10770] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10770] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10771] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10768] <... set_robust_list resumed>) = 0 [pid 10769] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10770] <... clone3 resumed> => {parent_tid=[10772]}, 88) = 10772 [pid 10771] <... openat resumed>) = 3 [pid 10770] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10768] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10771] write(3, "1000", 4 [pid 10769] <... prctl resumed>) = 0 [pid 10770] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10770] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10772 attached [pid 10772] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10772] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10772] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10771] <... write resumed>) = 4 [pid 10769] setpgid(0, 0 [pid 10768] <... prctl resumed>) = 0 [pid 10772] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10772] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10770] <... futex resumed>) = 0 [pid 10770] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10770] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10772] <... futex resumed>) = 1 [pid 10772] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10772] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10770] <... futex resumed>) = 0 [pid 10770] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10770] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10772] <... futex resumed>) = 1 [pid 10772] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10772] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10770] <... futex resumed>) = 0 [pid 10770] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10770] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10772] <... futex resumed>) = 1 [pid 10772] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10772] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10770] <... futex resumed>) = 0 [pid 10770] exit_group(0) = ? [pid 10772] <... futex resumed>) = ? [pid 10771] close(3 [pid 10769] <... setpgid resumed>) = 0 [pid 10768] setpgid(0, 0 [pid 10771] <... close resumed>) = 0 [pid 10769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 10771] write(1, "executing program\n", 18 [pid 10768] <... setpgid resumed>) = 0 [pid 10769] <... openat resumed>) = 3 [pid 10771] <... write resumed>) = 18 [pid 10768] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10771] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10769] write(3, "1000", 4 [pid 10768] <... openat resumed>) = 3 [pid 10771] <... futex resumed>) = 0 [pid 10769] <... write resumed>) = 4 executing program executing program [pid 10771] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10769] close(3 [pid 10768] write(3, "1000", 4 [pid 10771] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10769] <... close resumed>) = 0 [pid 10771] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10768] <... write resumed>) = 4 [pid 10771] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10769] write(1, "executing program\n", 18 [pid 10768] close(3 [pid 10771] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10769] <... write resumed>) = 18 [pid 10768] <... close resumed>) = 0 [pid 10771] <... mmap resumed>) = 0x7f70b113b000 [pid 10769] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10771] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10768] write(1, "executing program\n", 18 [pid 10769] <... futex resumed>) = 0 [pid 10771] <... mprotect resumed>) = 0 [pid 10769] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10768] <... write resumed>) = 18 [pid 10772] +++ exited with 0 +++ [pid 10771] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10770] +++ exited with 0 +++ [pid 10768] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10771] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10769] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10768] <... futex resumed>) = 0 [pid 10771] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10769] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10768] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10770, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10769] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10768] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10771] <... clone3 resumed> => {parent_tid=[10773]}, 88) = 10773 [pid 10769] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10768] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10771] rt_sigprocmask(SIG_SETMASK, [], [pid 10769] <... mmap resumed>) = 0x7f70b113b000 [pid 10768] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 553] <... restart_syscall resumed>) = 0 [pid 551] <... restart_syscall resumed>) = 0 [pid 10771] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10769] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10768] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10771] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10769] <... mprotect resumed>) = 0 [pid 10768] <... mmap resumed>) = 0x7f70b113b000 [pid 10771] <... futex resumed>) = 0 [pid 10768] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10771] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10773 attached [pid 10773] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10773] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10773] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10773] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10773] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 10774 attached [pid 10774] set_robust_list(0x55556dd196a0, 24) = 0 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10774 [pid 10771] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10768] <... mprotect resumed>) = 0 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10775 [pid 10771] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10773] <... futex resumed>) = 0 [pid 10773] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10771] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10768] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10769] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10768] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10769] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10768] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10769] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10773] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10773] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10773] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10771] <... futex resumed>) = 0 [pid 10768] <... clone3 resumed> => {parent_tid=[10776]}, 88) = 10776 [pid 10771] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10769] <... clone3 resumed> => {parent_tid=[10777]}, 88) = 10777 [pid 10768] rt_sigprocmask(SIG_SETMASK, [], [pid 10771] <... futex resumed>) = 0 [pid 10769] rt_sigprocmask(SIG_SETMASK, [], [pid 10768] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10771] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10769] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10768] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10769] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10768] <... futex resumed>) = 0 [pid 10773] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10773] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10769] <... futex resumed>) = 0 [pid 10768] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10769] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10773] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10773] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10771] <... futex resumed>) = 0 [pid 10771] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10771] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10773] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10773] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10771] <... futex resumed>) = 0 [pid 10773] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10771] exit_group(0) = ? [pid 10773] <... futex resumed>) = ? ./strace-static-x86_64: Process 10777 attached [pid 10777] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10773] +++ exited with 0 +++ [pid 10771] +++ exited with 0 +++ [pid 10777] rt_sigprocmask(SIG_SETMASK, [], [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10771, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10777] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10774] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10774] setpgid(0, 0) = 0 [pid 10777] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10774] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 10777] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10774] <... openat resumed>) = 3 [pid 10774] write(3, "1000", 4) = 4 [pid 10774] close(3) = 0 [pid 10774] write(1, "executing program\n", 18 [pid 10777] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10774] <... write resumed>) = 18 [pid 10774] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10774] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10774] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10774] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10774] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10769] <... futex resumed>) = 0 [pid 10777] <... futex resumed>) = 1 [pid 10769] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10774] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10777] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10769] <... futex resumed>) = 0 [pid 10774] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10769] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10777] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10774] <... clone3 resumed> => {parent_tid=[10778]}, 88) = 10778 [pid 10777] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10774] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10774] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10774] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10775 attached [pid 10775] set_robust_list(0x55556dd196a0, 24 [pid 10769] <... futex resumed>) = 0 [pid 10777] <... futex resumed>) = 1 [pid 10769] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10777] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10775] <... set_robust_list resumed>) = 0 [pid 10769] <... futex resumed>) = 0 [pid 10769] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10777] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10775] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10775] setpgid(0, 0) = 0 [pid 10777] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10775] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 10775] write(3, "1000", 4) = 4 [pid 10775] close(3) = 0 [pid 10769] <... futex resumed>) = 0 [pid 10777] <... futex resumed>) = 1 [pid 10775] write(1, "executing program\n", 18) = 18 [pid 10769] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10775] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10769] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10777] write(-1, "0x0000000000000001", 18 [pid 10775] <... futex resumed>) = 0 [pid 10775] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10775] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10775] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10775] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10777] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10777] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10769] <... futex resumed>) = 0 [pid 10777] <... futex resumed>) = 1 [pid 10769] exit_group(0 [pid 10777] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 (errno 18446744073709551414) [pid 10769] <... exit_group resumed>) = ? [pid 10775] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10775] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 552] <... restart_syscall resumed>) = 0 [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10777] +++ exited with 0 +++ [pid 10769] +++ exited with 0 +++ ./strace-static-x86_64: Process 10779 attached [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10779 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10769, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10775] <... clone3 resumed> => {parent_tid=[10780]}, 88) = 10780 [pid 10775] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10775] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10775] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10776 attached [pid 10776] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10776] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10776] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10779] set_robust_list(0x55556dd196a0, 24 [pid 10776] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10776] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10768] <... futex resumed>) = 0 [pid 10776] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10768] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10776] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10768] <... futex resumed>) = 0 [pid 10776] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10768] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10776] <... futex resumed>) = 0 [pid 10776] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 10778 attached [pid 10768] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10778] set_robust_list(0x7f70b115b9a0, 24 [pid 10768] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10778] <... set_robust_list resumed>) = 0 [pid 10768] <... futex resumed>) = 1 [pid 10776] <... futex resumed>) = 0 [pid 10768] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10776] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 10780 attached [pid 10779] <... set_robust_list resumed>) = 0 [pid 10776] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10768] <... futex resumed>) = 0 [pid 10776] write(-1, "0x0000000000000001", 18 [pid 10768] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10776] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10768] <... futex resumed>) = 0 [pid 10776] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10768] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10776] <... futex resumed>) = 0 [pid 10768] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10776] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10768] exit_group(0) = ? [pid 10776] <... futex resumed>) = ? [pid 10776] +++ exited with 0 +++ [pid 10778] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10778] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10768] +++ exited with 0 +++ [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10768, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 10778] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10778] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10774] <... futex resumed>) = 0 [pid 10774] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10774] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10778] <... futex resumed>) = 1 [pid 10778] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10778] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10774] <... futex resumed>) = 0 [pid 10774] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10774] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10778] <... futex resumed>) = 1 [pid 10778] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10778] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10774] <... futex resumed>) = 0 [pid 10774] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10774] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10778] <... futex resumed>) = 1 [pid 10778] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10778] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10774] <... futex resumed>) = 0 [pid 10774] exit_group(0) = ? [pid 10778] <... futex resumed>) = ? [pid 10780] set_robust_list(0x7f70b115b9a0, 24 [pid 10779] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10780] <... set_robust_list resumed>) = 0 [pid 10779] <... prctl resumed>) = 0 [pid 10778] +++ exited with 0 +++ [pid 10774] +++ exited with 0 +++ [pid 10780] rt_sigprocmask(SIG_SETMASK, [], [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10774, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10779] setpgid(0, 0 [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10780] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10779] <... setpgid resumed>) = 0 [pid 10780] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10780] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10775] <... futex resumed>) = 0 [pid 10780] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10775] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10780] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10775] <... futex resumed>) = 0 [pid 10780] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10775] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10780] <... futex resumed>) = 0 [pid 10779] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10775] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10780] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10775] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10780] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10775] <... futex resumed>) = 0 [pid 10780] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10775] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10780] <... futex resumed>) = 0 [pid 10775] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10780] write(-1, "0x0000000000000001", 18 [pid 10775] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10780] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10775] <... futex resumed>) = 0 [pid 10780] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10775] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10780] <... futex resumed>) = 0 [pid 10775] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10780] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10775] exit_group(0 [pid 10780] <... futex resumed>) = ? [pid 10775] <... exit_group resumed>) = ? [pid 10780] +++ exited with 0 +++ [pid 10779] <... openat resumed>) = 3 [pid 10775] +++ exited with 0 +++ [pid 10779] write(3, "1000", 4) = 4 [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10775, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10779] close(3 [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10779] <... close resumed>) = 0 [pid 10779] write(1, "executing program\n", 18 [pid 554] <... restart_syscall resumed>) = 0 executing program [pid 10779] <... write resumed>) = 18 [pid 555] <... restart_syscall resumed>) = 0 [pid 10779] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10779] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10781 ./strace-static-x86_64: Process 10781 attached [pid 10781] set_robust_list(0x55556dd196a0, 24) = 0 [pid 553] <... restart_syscall resumed>) = 0 [pid 551] <... restart_syscall resumed>) = 0 [pid 10779] <... rt_sigaction resumed>NULL, 8) = 0 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10782 [pid 10781] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10779] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10781] <... prctl resumed>) = 0 [pid 10781] setpgid(0, 0) = 0 [pid 10781] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10781] write(3, "1000", 4) = 4 [pid 10781] close(3executing program [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10783 [pid 10779] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10784 [pid 10779] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10781] <... close resumed>) = 0 [pid 10779] <... mmap resumed>) = 0x7f70b113b000 [pid 10781] write(1, "executing program\n", 18 [pid 10779] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10781] <... write resumed>) = 18 [pid 10781] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10779] <... mprotect resumed>) = 0 [pid 10781] <... futex resumed>) = 0 [pid 10781] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10779] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10781] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10779] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10781] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10779] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10781] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10781] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10781] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10779] <... clone3 resumed> => {parent_tid=[10785]}, 88) = 10785 [pid 10781] <... mprotect resumed>) = 0 [pid 10779] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10779] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10779] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10781] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10781] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10786]}, 88) = 10786 [pid 10781] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10781] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10781] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10782 attached [pid 10782] set_robust_list(0x55556dd196a0, 24) = 0 ./strace-static-x86_64: Process 10783 attached [pid 10782] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 10785 attached [pid 10783] set_robust_list(0x55556dd196a0, 24 [pid 10782] <... prctl resumed>) = 0 [pid 10782] setpgid(0, 0) = 0 [pid 10783] <... set_robust_list resumed>) = 0 [pid 10785] set_robust_list(0x7f70b115b9a0, 24 [pid 10782] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10782] write(3, "1000", 4 [pid 10783] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program [pid 10782] <... write resumed>) = 4 [pid 10782] close(3) = 0 [pid 10782] write(1, "executing program\n", 18) = 18 [pid 10782] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10785] <... set_robust_list resumed>) = 0 [pid 10783] <... prctl resumed>) = 0 [pid 10782] <... futex resumed>) = 0 [pid 10782] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10782] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10782] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10782] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10782] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10782] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10785] rt_sigprocmask(SIG_SETMASK, [], [pid 10783] setpgid(0, 0./strace-static-x86_64: Process 10784 attached [pid 10784] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10784] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10782] <... clone3 resumed> => {parent_tid=[10787]}, 88) = 10787 [pid 10782] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10782] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10784] <... prctl resumed>) = 0 [pid 10782] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10783] <... setpgid resumed>) = 0 [pid 10785] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10784] setpgid(0, 0) = 0 [pid 10784] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10783] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10785] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10784] write(3, "1000", 4 [pid 10783] <... openat resumed>) = 3 [pid 10785] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10784] <... write resumed>) = 4 [pid 10784] close(3) = 0 [pid 10784] write(1, "executing program\n", 18executing program ) = 18 [pid 10784] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10784] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10784] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10784] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10784] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10784] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10783] write(3, "1000", 4 [pid 10785] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10784] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10783] <... write resumed>) = 4 [pid 10785] <... futex resumed>) = 1 [pid 10779] <... futex resumed>) = 0 [pid 10784] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10783] close(3 executing program [pid 10779] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10785] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10783] <... close resumed>) = 0 [pid 10779] <... futex resumed>) = 0 [pid 10785] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10783] write(1, "executing program\n", 18 [pid 10779] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10785] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10783] <... write resumed>) = 18 [pid 10779] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10784] <... clone3 resumed> => {parent_tid=[10788]}, 88) = 10788 [pid 10779] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10783] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10785] <... futex resumed>) = 0 [pid 10783] <... futex resumed>) = 0 [pid 10779] <... futex resumed>) = 0 [pid 10784] rt_sigprocmask(SIG_SETMASK, [], [pid 10783] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10779] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10785] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10783] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10784] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10784] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10783] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10785] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10783] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10785] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10784] <... futex resumed>) = 0 [pid 10783] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10784] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10783] <... mmap resumed>) = 0x7f70b113b000 [pid 10779] <... futex resumed>) = 0 [pid 10785] <... futex resumed>) = 1 [pid 10783] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10779] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10783] <... mprotect resumed>) = 0 [pid 10779] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10785] write(-1, "0x0000000000000001", 18./strace-static-x86_64: Process 10786 attached ) = -1 EBADF (Bad file descriptor) [pid 10783] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10786] set_robust_list(0x7f70b115b9a0, 24 [pid 10783] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10785] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10783] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10785] <... futex resumed>) = 1 [pid 10779] <... futex resumed>) = 0 [pid 10786] <... set_robust_list resumed>) = 0 [pid 10786] rt_sigprocmask(SIG_SETMASK, [], [pid 10779] exit_group(0) = ? [pid 10786] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10786] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10786] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10781] <... futex resumed>) = 0 [pid 10786] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10781] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10786] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10781] <... futex resumed>) = 0 [pid 10786] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10781] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10786] <... futex resumed>) = 0 [pid 10783] <... clone3 resumed> => {parent_tid=[10789]}, 88) = 10789 [pid 10781] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10786] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10781] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10783] rt_sigprocmask(SIG_SETMASK, [], [pid 10786] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10785] +++ exited with 0 +++ [pid 10781] <... futex resumed>) = 0 [pid 10779] +++ exited with 0 +++ [pid 10783] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10786] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10783] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10781] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10779, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10786] <... futex resumed>) = 0 [pid 10783] <... futex resumed>) = 0 [pid 10781] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10786] write(-1, "0x0000000000000001", 18 [pid 10783] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10781] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10789 attached ./strace-static-x86_64: Process 10788 attached [pid 10786] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10781] <... futex resumed>) = 0 ./strace-static-x86_64: Process 10787 attached [pid 10788] set_robust_list(0x7f70b115b9a0, 24 [pid 10786] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10781] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10787] set_robust_list(0x7f70b115b9a0, 24 [pid 10786] <... futex resumed>) = 0 [pid 10781] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10787] <... set_robust_list resumed>) = 0 [pid 10786] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10781] exit_group(0 [pid 10787] rt_sigprocmask(SIG_SETMASK, [], [pid 10786] <... futex resumed>) = ? [pid 10781] <... exit_group resumed>) = ? [pid 10789] set_robust_list(0x7f70b115b9a0, 24 [pid 10788] <... set_robust_list resumed>) = 0 [pid 10787] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10786] +++ exited with 0 +++ [pid 10781] +++ exited with 0 +++ [pid 10787] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10781, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10787] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10788] rt_sigprocmask(SIG_SETMASK, [], [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 10788] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10787] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10782] <... futex resumed>) = 0 [pid 10787] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10782] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10787] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10782] <... futex resumed>) = 0 [pid 10787] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10782] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10787] <... futex resumed>) = 0 [pid 10782] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10787] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10782] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10787] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10782] <... futex resumed>) = 0 [pid 10787] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10782] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10787] <... futex resumed>) = 0 [pid 10782] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10787] write(-1, "0x0000000000000001", 18 [pid 10782] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10787] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10782] <... futex resumed>) = 0 [pid 10787] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10782] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10788] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10787] <... futex resumed>) = 0 [pid 10782] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10787] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10782] exit_group(0 [pid 10787] <... futex resumed>) = ? [pid 10782] <... exit_group resumed>) = ? [pid 10789] <... set_robust_list resumed>) = 0 [pid 10788] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10787] +++ exited with 0 +++ [pid 10782] +++ exited with 0 +++ [pid 10789] rt_sigprocmask(SIG_SETMASK, [], [pid 10788] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10782, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10789] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10788] <... futex resumed>) = 1 [pid 10784] <... futex resumed>) = 0 [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10784] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10789] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10788] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10784] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10789] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10789] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10783] <... futex resumed>) = 0 [pid 10788] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10789] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10788] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10783] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10788] <... futex resumed>) = 1 [pid 10784] <... futex resumed>) = 0 [pid 10784] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10783] <... futex resumed>) = 1 [pid 10789] <... futex resumed>) = 0 [pid 10788] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10784] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10783] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10789] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10788] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10789] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10789] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10783] <... futex resumed>) = 0 [pid 10788] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10783] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10789] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10788] <... futex resumed>) = 1 [pid 10784] <... futex resumed>) = 0 [pid 10783] <... futex resumed>) = 0 [pid 10789] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10784] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10789] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10784] <... futex resumed>) = 0 [pid 10783] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10789] <... futex resumed>) = 0 [pid 10788] write(-1, "0x0000000000000001", 18 [pid 10784] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10783] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10789] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 10788] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10783] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10788] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10783] <... futex resumed>) = 0 [pid 10789] write(-1, "0x0000000000000001", 18 [pid 10788] <... futex resumed>) = 1 [pid 10784] <... futex resumed>) = 0 [pid 10789] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10788] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10784] exit_group(0 [pid 10783] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10789] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10788] <... futex resumed>) = ? [pid 10784] <... exit_group resumed>) = ? [pid 10783] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10789] <... futex resumed>) = 0 [pid 10783] exit_group(0) = ? [pid 10789] +++ exited with 0 +++ [pid 10788] +++ exited with 0 +++ [pid 10784] +++ exited with 0 +++ [pid 10783] +++ exited with 0 +++ [pid 555] <... restart_syscall resumed>) = 0 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10783, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10784, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 554] <... restart_syscall resumed>) = 0 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10790 attached ./strace-static-x86_64: Process 10791 attached [pid 552] <... restart_syscall resumed>) = 0 [pid 10790] set_robust_list(0x55556dd196a0, 24 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10790 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10791 [pid 10791] set_robust_list(0x55556dd196a0, 24 [pid 10790] <... set_robust_list resumed>) = 0 [pid 10790] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10791] <... set_robust_list resumed>) = 0 [pid 10790] <... prctl resumed>) = 0 [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 553] <... restart_syscall resumed>) = 0 [pid 10791] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10791] setpgid(0, 0) = 0 [pid 551] <... restart_syscall resumed>) = 0 [pid 10790] setpgid(0, 0 [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10792 ./strace-static-x86_64: Process 10792 attached [pid 10791] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10790] <... setpgid resumed>) = 0 [pid 10792] set_robust_list(0x55556dd196a0, 24 [pid 10791] <... openat resumed>) = 3 [pid 10790] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10791] write(3, "1000", 4 [pid 10792] <... set_robust_list resumed>) = 0 executing program [pid 10791] <... write resumed>) = 4 [pid 10790] <... openat resumed>) = 3 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10791] close(3 [pid 10790] write(3, "1000", 4 [pid 10791] <... close resumed>) = 0 [pid 10791] write(1, "executing program\n", 18) = 18 [pid 10791] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10791] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10791] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10791] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10791] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10792] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10791] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10790] <... write resumed>) = 4 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10793 [pid 10792] <... prctl resumed>) = 0 [pid 10790] close(3 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10794 [pid 10790] <... close resumed>) = 0 [pid 10790] write(1, "executing program\n", 18 [pid 10792] setpgid(0, 0 [pid 10791] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10791] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0}executing program [pid 10792] <... setpgid resumed>) = 0 [pid 10790] <... write resumed>) = 18 [pid 10791] <... clone3 resumed> => {parent_tid=[10795]}, 88) = 10795 [pid 10790] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10791] rt_sigprocmask(SIG_SETMASK, [], [pid 10790] <... futex resumed>) = 0 [pid 10792] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10790] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10791] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10790] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10791] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10790] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10792] <... openat resumed>) = 3 [pid 10790] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10792] write(3, "1000", 4 [pid 10791] <... futex resumed>) = 0 [pid 10790] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10791] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10793 attached [pid 10790] <... mmap resumed>) = 0x7f70b113b000 [pid 10792] <... write resumed>) = 4 [pid 10790] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10793] set_robust_list(0x55556dd196a0, 24 [pid 10792] close(3 [pid 10790] <... mprotect resumed>) = 0 [pid 10793] <... set_robust_list resumed>) = 0 [pid 10793] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10790] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10792] <... close resumed>) = 0 [pid 10790] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10793] <... prctl resumed>) = 0 executing program [pid 10792] write(1, "executing program\n", 18 [pid 10790] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10793] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 10794 attached [pid 10793] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10792] <... write resumed>) = 18 [pid 10794] set_robust_list(0x55556dd196a0, 24 [pid 10793] <... openat resumed>) = 3 [pid 10792] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10790] <... clone3 resumed> => {parent_tid=[10796]}, 88) = 10796 ./strace-static-x86_64: Process 10795 attached [pid 10790] rt_sigprocmask(SIG_SETMASK, [], [pid 10792] <... futex resumed>) = 0 [pid 10790] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10794] <... set_robust_list resumed>) = 0 [pid 10793] write(3, "1000", 4 [pid 10792] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10790] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10796 attached [pid 10795] set_robust_list(0x7f70b115b9a0, 24 [pid 10794] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10793] <... write resumed>) = 4 [pid 10792] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10790] <... futex resumed>) = 0 [pid 10796] set_robust_list(0x7f70b115b9a0, 24 [pid 10790] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10794] <... prctl resumed>) = 0 [pid 10793] close(3 [pid 10792] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10794] setpgid(0, 0 [pid 10793] <... close resumed>) = 0 [pid 10792] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10796] <... set_robust_list resumed>) = 0 [pid 10795] <... set_robust_list resumed>) = 0 [pid 10794] <... setpgid resumed>) = 0 [pid 10793] write(1, "executing program\n", 18executing program [pid 10794] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10793] <... write resumed>) = 18 [pid 10792] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10794] <... openat resumed>) = 3 [pid 10793] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10792] <... mmap resumed>) = 0x7f70b113b000 [pid 10794] write(3, "1000", 4 [pid 10793] <... futex resumed>) = 0 executing program [pid 10792] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10794] <... write resumed>) = 4 [pid 10793] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10792] <... mprotect resumed>) = 0 [pid 10794] close(3 [pid 10793] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10792] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10795] rt_sigprocmask(SIG_SETMASK, [], [pid 10792] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10795] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10794] <... close resumed>) = 0 [pid 10793] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10792] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10794] write(1, "executing program\n", 18 [pid 10793] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10794] <... write resumed>) = 18 [pid 10793] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10795] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10794] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10793] <... mmap resumed>) = 0x7f70b113b000 [pid 10794] <... futex resumed>) = 0 [pid 10793] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10795] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10794] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10793] <... mprotect resumed>) = 0 [pid 10792] <... clone3 resumed> => {parent_tid=[10797]}, 88) = 10797 [pid 10796] rt_sigprocmask(SIG_SETMASK, [], [pid 10795] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10794] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10793] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10792] rt_sigprocmask(SIG_SETMASK, [], [pid 10794] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10793] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10792] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10795] <... futex resumed>) = 1 [pid 10794] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10793] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10792] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10791] <... futex resumed>) = 0 ./strace-static-x86_64: Process 10798 attached ./strace-static-x86_64: Process 10797 attached [pid 10796] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10795] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10794] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10792] <... futex resumed>) = 0 [pid 10791] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10798] set_robust_list(0x7f70b115b9a0, 24 [pid 10797] set_robust_list(0x7f70b115b9a0, 24 [pid 10796] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10795] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10794] <... mmap resumed>) = 0x7f70b113b000 [pid 10793] <... clone3 resumed> => {parent_tid=[10798]}, 88) = 10798 [pid 10791] <... futex resumed>) = 0 [pid 10798] <... set_robust_list resumed>) = 0 [pid 10794] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10793] rt_sigprocmask(SIG_SETMASK, [], [pid 10792] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10791] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10798] rt_sigprocmask(SIG_SETMASK, [], [pid 10795] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10794] <... mprotect resumed>) = 0 [pid 10793] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10798] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10796] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10795] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10794] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10793] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10798] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10796] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10795] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10794] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10793] <... futex resumed>) = 0 [pid 10798] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10794] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10793] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10798] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10796] <... futex resumed>) = 1 [pid 10795] <... futex resumed>) = 1 [pid 10793] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10791] <... futex resumed>) = 0 [pid 10790] <... futex resumed>) = 0 [pid 10798] <... futex resumed>) = 0 [pid 10796] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10795] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10794] <... clone3 resumed> => {parent_tid=[10799]}, 88) = 10799 [pid 10793] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10791] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10790] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10798] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10796] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10795] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10794] rt_sigprocmask(SIG_SETMASK, [], [pid 10793] <... futex resumed>) = 0 [pid 10791] <... futex resumed>) = 0 [pid 10790] <... futex resumed>) = 0 [pid 10798] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10796] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10795] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10794] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10793] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10791] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10790] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10798] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10796] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10795] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10794] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10793] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10798] <... futex resumed>) = 0 [pid 10796] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10795] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10794] <... futex resumed>) = 0 [pid 10793] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10798] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10796] <... futex resumed>) = 1 [pid 10795] <... futex resumed>) = 1 [pid 10794] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10793] <... futex resumed>) = 0 [pid 10791] <... futex resumed>) = 0 [pid 10790] <... futex resumed>) = 0 [pid 10798] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10796] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10795] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10793] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10791] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10790] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10798] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10796] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10795] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10793] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10791] <... futex resumed>) = 0 [pid 10790] <... futex resumed>) = 0 [pid 10798] <... futex resumed>) = 0 [pid 10793] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10791] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10798] write(-1, "0x0000000000000001", 18 [pid 10796] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10795] write(-1, "0x0000000000000001", 18 [pid 10793] <... futex resumed>) = 0 [pid 10790] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10798] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10797] <... set_robust_list resumed>) = 0 [pid 10796] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10795] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10793] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10798] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10793] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10798] <... futex resumed>) = 0 [pid 10797] rt_sigprocmask(SIG_SETMASK, [], [pid 10796] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10795] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10793] exit_group(0 [pid 10797] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10796] <... futex resumed>) = 1 [pid 10795] <... futex resumed>) = 1 [pid 10793] <... exit_group resumed>) = ? [pid 10791] <... futex resumed>) = 0 [pid 10790] <... futex resumed>) = 0 ./strace-static-x86_64: Process 10799 attached [pid 10798] +++ exited with 0 +++ [pid 10797] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10796] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10795] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10790] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10797] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10796] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10793] +++ exited with 0 +++ [pid 10791] exit_group(0 [pid 10796] write(-1, "0x0000000000000001", 18 [pid 10795] <... futex resumed>) = ? [pid 10797] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10791] <... exit_group resumed>) = ? [pid 10790] <... futex resumed>) = 0 [pid 10799] set_robust_list(0x7f70b115b9a0, 24 [pid 10797] <... futex resumed>) = 1 [pid 10796] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10795] +++ exited with 0 +++ [pid 10792] <... futex resumed>) = 0 [pid 10790] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10793, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10799] <... set_robust_list resumed>) = 0 [pid 10797] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10796] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10792] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10791] +++ exited with 0 +++ [pid 10790] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10799] rt_sigprocmask(SIG_SETMASK, [], [pid 10797] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10796] <... futex resumed>) = 0 [pid 10792] <... futex resumed>) = 0 [pid 10790] exit_group(0 [pid 10799] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10797] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10792] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10790] <... exit_group resumed>) = ? [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10791, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 553] <... restart_syscall resumed>) = 0 [pid 554] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556dd19690) = 10800 [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10801 ./strace-static-x86_64: Process 10801 attached [pid 10801] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10801] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10796] +++ exited with 0 +++ [pid 10790] +++ exited with 0 +++ [pid 10797] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10799] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10797] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10790, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10801] <... prctl resumed>) = 0 [pid 555] restart_syscall(<... resuming interrupted clone ...> [pid 10799] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10797] <... futex resumed>) = 1 [pid 10792] <... futex resumed>) = 0 [pid 10801] setpgid(0, 0 [pid 10799] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10797] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10792] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10801] <... setpgid resumed>) = 0 [pid 10792] <... futex resumed>) = 0 [pid 10799] <... futex resumed>) = 1 [pid 10797] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10794] <... futex resumed>) = 0 [pid 10792] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10794] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10794] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10799] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10797] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10801] <... openat resumed>) = 3 [pid 10797] <... futex resumed>) = 1 [pid 10792] <... futex resumed>) = 0 [pid 10799] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10801] write(3, "1000", 4 [pid 10792] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10801] <... write resumed>) = 4 executing program [pid 10792] <... futex resumed>) = 0 [pid 10799] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10797] write(-1, "0x0000000000000001", 18 [pid 10792] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10799] <... futex resumed>) = 1 [pid 10797] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10794] <... futex resumed>) = 0 [pid 10799] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10797] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10794] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10799] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10797] <... futex resumed>) = 1 [pid 10794] <... futex resumed>) = 0 [pid 10792] <... futex resumed>) = 0 [pid 10799] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10797] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10794] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10792] exit_group(0 [pid 10799] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10797] <... futex resumed>) = ? [pid 10799] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10792] <... exit_group resumed>) = ? [pid 10797] +++ exited with 0 +++ [pid 10794] <... futex resumed>) = 0 [pid 10794] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10794] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10801] close(3) = 0 [pid 10801] write(1, "executing program\n", 18) = 18 [pid 10801] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10792] +++ exited with 0 +++ [pid 10801] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 10799] <... futex resumed>) = 1 [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10792, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10801] <... rt_sigaction resumed>NULL, 8) = 0 [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10799] write(-1, "0x0000000000000001", 18 [pid 10801] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10801] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10801] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 10800 attached [pid 10801] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10799] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10801] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10799] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10801] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10802]}, 88) = 10802 [pid 10801] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10801] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10801] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10802 attached [pid 10802] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10802] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10802] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10799] <... futex resumed>) = 1 [pid 10794] <... futex resumed>) = 0 [pid 10799] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10794] exit_group(0) = ? [pid 10799] <... futex resumed>) = ? [pid 10802] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10800] set_robust_list(0x55556dd196a0, 24 [pid 10799] +++ exited with 0 +++ [pid 10794] +++ exited with 0 +++ [pid 10802] <... futex resumed>) = 1 [pid 10801] <... futex resumed>) = 0 [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10794, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10801] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 10801] <... futex resumed>) = 0 [pid 10801] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10800] <... set_robust_list resumed>) = 0 [pid 10800] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10802] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10800] <... prctl resumed>) = 0 [pid 10800] setpgid(0, 0) = 0 [pid 10802] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10800] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10802] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10801] <... futex resumed>) = 0 [pid 10802] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10801] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10800] <... openat resumed>) = 3 [pid 10801] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10800] write(3, "1000", 4 [pid 10802] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10802] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10801] <... futex resumed>) = 0 [pid 10800] <... write resumed>) = 4 [pid 10801] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10800] close(3 [pid 10801] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10800] <... close resumed>) = 0 [pid 10802] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10802] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000executing program ) = 1 [pid 10801] <... futex resumed>) = 0 [pid 10800] write(1, "executing program\n", 18 [pid 10801] exit_group(0) = ? [pid 10800] <... write resumed>) = 18 [pid 10802] +++ exited with 0 +++ [pid 10801] +++ exited with 0 +++ [pid 10800] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10801, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10800] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10800] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10800] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10800] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10800] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10800] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 551] <... restart_syscall resumed>) = 0 [pid 555] <... restart_syscall resumed>) = 0 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10803 attached [pid 10800] <... clone3 resumed> => {parent_tid=[10803]}, 88) = 10803 [pid 552] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 10804 attached [pid 10803] set_robust_list(0x7f70b115b9a0, 24 [pid 553] <... restart_syscall resumed>) = 0 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10804 [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10803] <... set_robust_list resumed>) = 0 [pid 10800] rt_sigprocmask(SIG_SETMASK, [], [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556dd19690) = 10805 ./strace-static-x86_64: Process 10806 attached [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10806 [pid 10806] set_robust_list(0x55556dd196a0, 24) = 0 [pid 10804] set_robust_list(0x55556dd196a0, 24 [pid 10803] rt_sigprocmask(SIG_SETMASK, [], [pid 10800] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 10807 attached [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10807 [pid 10806] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10806] setpgid(0, 0) = 0 [pid 10804] <... set_robust_list resumed>) = 0 [pid 10803] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10800] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10806] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10800] <... futex resumed>) = 0 [pid 10806] <... openat resumed>) = 3 [pid 10806] write(3, "1000", 4) = 4 [pid 10806] close(3) = 0 [pid 10806] write(1, "executing program\n", 18executing program ) = 18 [pid 10806] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10806] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10806] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10806] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10806] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10806] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10800] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10803] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10806] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10806] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10803] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10806] <... clone3 resumed> => {parent_tid=[10808]}, 88) = 10808 [pid 10803] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10806] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10806] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10806] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10805 attached [pid 10805] set_robust_list(0x55556dd196a0, 24 [pid 10803] <... futex resumed>) = 1 [pid 10800] <... futex resumed>) = 0 [pid 10805] <... set_robust_list resumed>) = 0 [pid 10804] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10805] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10805] setpgid(0, 0) = 0 [pid 10804] <... prctl resumed>) = 0 [pid 10803] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10800] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10807] set_robust_list(0x55556dd196a0, 24 [pid 10805] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10800] <... futex resumed>) = 0 [pid 10803] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10805] write(3, "1000", 4) = 4 [pid 10805] close(3) = 0 [pid 10805] write(1, "executing program\n", 18executing program ) = 18 [pid 10805] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10805] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10805] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10805] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10805] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10805] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10803] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10800] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10807] <... set_robust_list resumed>) = 0 [pid 10804] setpgid(0, 0 [pid 10805] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10805] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10809]}, 88) = 10809 [pid 10804] <... setpgid resumed>) = 0 [pid 10803] <... futex resumed>) = 0 [pid 10800] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10805] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10805] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10805] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10808 attached [pid 10808] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10808] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10803] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10800] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10808] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10808] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10806] <... futex resumed>) = 0 [pid 10806] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10806] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10808] <... futex resumed>) = 1 [pid 10808] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10800] <... futex resumed>) = 0 [pid 10803] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10808] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10806] <... futex resumed>) = 0 [pid 10804] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10803] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10800] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10806] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10806] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10808] <... futex resumed>) = 1 [pid 10808] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10803] <... futex resumed>) = 0 [pid 10800] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10808] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10806] <... futex resumed>) = 0 [pid 10806] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10806] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10804] <... openat resumed>) = 3 [pid 10800] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10804] write(3, "1000", 4 [pid 10803] write(-1, "0x0000000000000001", 18 [pid 10800] <... futex resumed>) = 0 [pid 10808] <... futex resumed>) = 1 [pid 10808] write(-1, "0x0000000000000001", 18 [pid 10804] <... write resumed>) = 4 [pid 10803] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10800] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10808] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10808] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10806] <... futex resumed>) = 0 [pid 10806] exit_group(0) = ? [pid 10804] close(3 [pid 10803] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10804] <... close resumed>) = 0 executing program [pid 10800] <... futex resumed>) = 0 [pid 10800] exit_group(0 [pid 10803] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10804] write(1, "executing program\n", 18 [pid 10803] <... futex resumed>) = ? [pid 10800] <... exit_group resumed>) = ? [pid 10808] <... futex resumed>) = ? [pid 10803] +++ exited with 0 +++ [pid 10800] +++ exited with 0 +++ [pid 10804] <... write resumed>) = 18 [pid 554] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10800, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 554] restart_syscall(<... resuming interrupted clone ...> [pid 10808] +++ exited with 0 +++ [pid 10806] +++ exited with 0 +++ [pid 10807] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10804] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10806, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 10804] <... futex resumed>) = 0 [pid 555] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 10807] <... prctl resumed>) = 0 [pid 10804] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 555] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10807] setpgid(0, 0 [pid 10804] <... rt_sigaction resumed>NULL, 8) = 0 [pid 555] <... clone resumed>, child_tidptr=0x55556dd19690) = 10810 ./strace-static-x86_64: Process 10809 attached [pid 10809] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10809] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10809] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10809] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10805] <... futex resumed>) = 0 [pid 10805] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10805] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10809] <... futex resumed>) = 1 [pid 10809] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10809] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10805] <... futex resumed>) = 0 [pid 10805] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10805] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10809] <... futex resumed>) = 1 [pid 10809] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10809] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10805] <... futex resumed>) = 0 [pid 10805] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10805] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10809] <... futex resumed>) = 1 [pid 10809] write(-1, "0x0000000000000001", 18 [pid 10804] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 10810 attached [pid 10807] <... setpgid resumed>) = 0 [pid 10804] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10809] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10809] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10805] <... futex resumed>) = 0 [pid 10804] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10805] exit_group(0 [pid 10804] <... mmap resumed>) = 0x7f70b113b000 [pid 10805] <... exit_group resumed>) = ? [pid 10804] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10807] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10804] <... mprotect resumed>) = 0 [pid 10809] <... futex resumed>) = ? [pid 10804] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10804] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10807] <... openat resumed>) = 3 [pid 10807] write(3, "1000", 4 [pid 10804] <... clone3 resumed> => {parent_tid=[10811]}, 88) = 10811 [pid 10804] rt_sigprocmask(SIG_SETMASK, [], [pid 10807] <... write resumed>) = 4 executing program [pid 10804] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10804] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10807] close(3 [pid 10804] <... futex resumed>) = 0 [pid 10804] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10807] <... close resumed>) = 0 [pid 10807] write(1, "executing program\n", 18 [pid 10810] set_robust_list(0x55556dd196a0, 24 [pid 10807] <... write resumed>) = 18 [pid 10807] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10810] <... set_robust_list resumed>) = 0 [pid 10809] +++ exited with 0 +++ [pid 10805] +++ exited with 0 +++ [pid 10807] <... futex resumed>) = 0 [pid 10807] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10805, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 553] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 10811 attached [pid 10811] set_robust_list(0x7f70b115b9a0, 24) = 0 [pid 10811] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10811] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10811] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10804] <... futex resumed>) = 0 [pid 10804] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10804] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10811] <... futex resumed>) = 1 [pid 10811] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10811] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10804] <... futex resumed>) = 0 [pid 10804] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10804] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10811] <... futex resumed>) = 1 [pid 10811] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10810] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10807] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10811] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10804] <... futex resumed>) = 0 [pid 10804] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10807] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10810] <... prctl resumed>) = 0 [pid 10804] <... futex resumed>) = 0 [pid 10807] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10807] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10804] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10810] setpgid(0, 0 [pid 10807] <... mmap resumed>) = 0x7f70b113b000 [pid 10807] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10810] <... setpgid resumed>) = 0 [pid 10811] <... futex resumed>) = 1 [pid 10807] <... mprotect resumed>) = 0 [pid 10811] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10811] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10807] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10804] <... futex resumed>) = 0 [pid 10807] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10810] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10807] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10804] exit_group(0) = ? [pid 10807] <... clone3 resumed> => {parent_tid=[10812]}, 88) = 10812 [pid 10810] <... openat resumed>) = 3 [pid 10807] rt_sigprocmask(SIG_SETMASK, [], [pid 10810] write(3, "1000", 4 [pid 10807] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10811] <... futex resumed>) = ? [pid 10807] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10810] <... write resumed>) = 4 [pid 10807] <... futex resumed>) = 0 [pid 10807] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10810] close(3) = 0 [pid 10810] write(1, "executing program\n", 18executing program ) = 18 [pid 554] <... restart_syscall resumed>) = 0 [pid 554] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10812 attached [pid 10811] +++ exited with 0 +++ [pid 10810] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10804] +++ exited with 0 +++ [pid 553] <... restart_syscall resumed>) = 0 [pid 554] <... clone resumed>, child_tidptr=0x55556dd19690) = 10813 [pid 551] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10804, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 10813 attached [pid 10812] set_robust_list(0x7f70b115b9a0, 24 [pid 10810] <... futex resumed>) = 0 [pid 551] restart_syscall(<... resuming interrupted clone ...> [pid 553] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10813] set_robust_list(0x55556dd196a0, 24 [pid 10812] <... set_robust_list resumed>) = 0 [pid 10810] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 553] <... clone resumed>, child_tidptr=0x55556dd19690) = 10814 ./strace-static-x86_64: Process 10814 attached [pid 10814] set_robust_list(0x55556dd196a0, 24 [pid 10812] rt_sigprocmask(SIG_SETMASK, [], [pid 10810] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10814] <... set_robust_list resumed>) = 0 [pid 10814] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10812] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10813] <... set_robust_list resumed>) = 0 [pid 10810] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10814] <... prctl resumed>) = 0 [pid 10814] setpgid(0, 0) = 0 [pid 10814] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10814] write(3, "1000", 4) = 4 [pid 10814] close(3) = 0 executing program [pid 10814] write(1, "executing program\n", 18) = 18 [pid 10814] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10814] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10814] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10814] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10814] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10814] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10814] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10812] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10810] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10812] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10810] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10813] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10812] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10810] <... mmap resumed>) = 0x7f70b113b000 [pid 10814] <... clone3 resumed> => {parent_tid=[10815]}, 88) = 10815 [pid 10810] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 10812] <... futex resumed>) = 1 [pid 10813] <... prctl resumed>) = 0 [pid 10807] <... futex resumed>) = 0 [pid 10812] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10810] <... mprotect resumed>) = 0 [pid 10807] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10813] setpgid(0, 0 [pid 10812] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10814] rt_sigprocmask(SIG_SETMASK, [], [pid 10810] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10813] <... setpgid resumed>) = 0 [pid 10812] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10807] <... futex resumed>) = 0 [pid 10814] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10812] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10807] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10810] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10812] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 10815 attached [pid 10814] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10812] <... futex resumed>) = 1 [pid 10810] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 10807] <... futex resumed>) = 0 [pid 551] <... restart_syscall resumed>) = 0 [pid 10812] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10814] <... futex resumed>) = 0 [pid 10812] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10807] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10812] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10810] <... clone3 resumed> => {parent_tid=[10816]}, 88) = 10816 [pid 10813] <... openat resumed>) = 3 [pid 10807] <... futex resumed>) = 0 [pid 10812] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10810] rt_sigprocmask(SIG_SETMASK, [], [pid 10807] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10813] write(3, "1000", 4 [pid 10812] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10810] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10807] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10814] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10813] <... write resumed>) = 4 [pid 10812] <... futex resumed>) = 0 [pid 10810] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10807] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10813] close(3 [pid 10812] write(-1, "0x0000000000000001", 18 [pid 10810] <... futex resumed>) = 0 [pid 10807] <... futex resumed>) = 0 [pid 551] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10813] <... close resumed>) = 0 [pid 10812] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10810] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} executing program [pid 10807] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10813] write(1, "executing program\n", 18 [pid 10812] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10807] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10812] <... futex resumed>) = 0 [pid 10807] exit_group(0 [pid 10813] <... write resumed>) = 18 [pid 10807] <... exit_group resumed>) = ? [pid 10813] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] <... clone resumed>, child_tidptr=0x55556dd19690) = 10817 [pid 10815] set_robust_list(0x7f70b115b9a0, 24 [pid 10812] +++ exited with 0 +++ [pid 10807] +++ exited with 0 +++ [pid 10813] <... futex resumed>) = 0 [pid 10815] <... set_robust_list resumed>) = 0 [pid 10813] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, [pid 552] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10807, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10815] rt_sigprocmask(SIG_SETMASK, [], [pid 10813] <... rt_sigaction resumed>NULL, 8) = 0 [pid 552] restart_syscall(<... resuming interrupted clone ...> [pid 10815] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10813] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10815] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10813] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10815] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10814] <... futex resumed>) = 0 [pid 10814] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10814] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10815] <... futex resumed>) = 1 [pid 10815] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10813] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 10816 attached ./strace-static-x86_64: Process 10817 attached [pid 10816] set_robust_list(0x7f70b115b9a0, 24 [pid 10815] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10813] <... mmap resumed>) = 0x7f70b113b000 [pid 552] <... restart_syscall resumed>) = 0 [pid 10813] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE [pid 552] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10813] <... mprotect resumed>) = 0 [pid 10813] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10813] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} [pid 552] <... clone resumed>, child_tidptr=0x55556dd19690) = 10818 [pid 10813] <... clone3 resumed> => {parent_tid=[10819]}, 88) = 10819 [pid 10813] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10813] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10813] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10814] <... futex resumed>) = 0 [pid 10814] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10814] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10815] <... futex resumed>) = 1 [pid 10815] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 10815] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10814] <... futex resumed>) = 0 [pid 10814] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10814] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10815] <... futex resumed>) = 1 [pid 10815] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 10815] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10814] <... futex resumed>) = 0 [pid 10814] exit_group(0) = ? [pid 10816] <... set_robust_list resumed>) = 0 [pid 10815] <... futex resumed>) = ? ./strace-static-x86_64: Process 10819 attached ./strace-static-x86_64: Process 10818 attached [pid 10817] set_robust_list(0x55556dd196a0, 24 [pid 10816] rt_sigprocmask(SIG_SETMASK, [], [pid 10815] +++ exited with 0 +++ [pid 10814] +++ exited with 0 +++ [pid 10819] set_robust_list(0x7f70b115b9a0, 24 [pid 10818] set_robust_list(0x55556dd196a0, 24 [pid 10817] <... set_robust_list resumed>) = 0 [pid 553] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10814, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 553] restart_syscall(<... resuming interrupted clone ...> [pid 10818] <... set_robust_list resumed>) = 0 [pid 10818] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10818] setpgid(0, 0) = 0 [pid 10818] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10816] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10818] write(3, "1000", 4) = 4 [pid 10818] close(3) = 0 executing program [pid 10818] write(1, "executing program\n", 18) = 18 [pid 10818] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10818] rt_sigaction(SIGRT_1, {sa_handler=0x7f70b11c0610, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f70b11b1c90}, NULL, 8) = 0 [pid 10818] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10818] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f70b113b000 [pid 10818] mprotect(0x7f70b113c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10818] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10818] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f70b115b990, parent_tid=0x7f70b115b990, exit_signal=0, stack=0x7f70b113b000, stack_size=0x20300, tls=0x7f70b115b6c0} => {parent_tid=[10820]}, 88) = 10820 [pid 10818] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10818] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10818] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10819] <... set_robust_list resumed>) = 0 [pid 10819] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10819] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10819] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10813] <... futex resumed>) = 0 [pid 10813] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10813] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10819] <... futex resumed>) = 1 [pid 10819] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 10819] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10813] <... futex resumed>) = 0 [pid 10813] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10816] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=0, fd=-1, flags=0, buf_len=7 [pid 10813] <... futex resumed>) = 0 [pid 10816] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 48) = -1 ENOENT (No such file or directory) [pid 10813] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10816] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10819] <... futex resumed>) = 1 [pid 10816] <... futex resumed>) = 1 [pid 10810] <... futex resumed>) = 0 [pid 10819] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10816] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10810] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10819] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10816] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10810] <... futex resumed>) = 0 [pid 10816] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 10810] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10819] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10816] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 10816] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10813] <... futex resumed>) = 0 [pid 10816] <... futex resumed>) = 1 [pid 10813] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10810] <... futex resumed>) = 0 [pid 10817] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10816] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10813] <... futex resumed>) = 0 [pid 10810] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10817] <... prctl resumed>) = 0 [pid 10816] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10813] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10817] setpgid(0, 0 [pid 10816] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 10810] <... futex resumed>) = 0 [pid 10819] <... futex resumed>) = 1 [pid 10816] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 10810] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10817] <... setpgid resumed>) = 0 [pid 10816] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10810] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10819] write(-1, "0x0000000000000001", 18 [pid 10816] <... futex resumed>) = 0 [pid 10810] futex(0x7f70b12243e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 10819] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10819] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10816] write(-1, "0x0000000000000001", 18 [pid 10810] <... futex resumed>) = 0 [pid 10817] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10816] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 10810] futex(0x7f70b12243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10816] futex(0x7f70b12243ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 10810] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10816] <... futex resumed>) = 0 [pid 10810] exit_group(0 [pid 10816] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 (errno 18446744073709551414) [pid 10810] <... exit_group resumed>) = ? [pid 10819] <... futex resumed>) = 1 [pid 10816] +++ exited with 0 +++ [pid 10813] <... futex resumed>) = 0 [pid 10819] futex(0x7f70b12243e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10813] exit_group(0 [pid 10819] <... futex resumed>) = ? [pid 10813] <... exit_group resumed>) = ? [pid 10819] +++ exited with 0 +++ [pid 10817] <... openat resumed>) = 3 [pid 10813] +++ exited with 0 +++ [pid 10810] +++ exited with 0 +++ [pid 555] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10810, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10817] write(3, "1000", 4