./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3357870835 <...> 1000000) = 1 [pid 20313] <... futex resumed>) = 0 [pid 20313] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20313] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20314] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20314] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20313] <... futex resumed>) = 0 [pid 20313] exit_group(0) = ? [pid 20314] +++ exited with 0 +++ [pid 20313] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20313, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20315 attached [pid 20315] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20315] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20315] setpgid(0, 0) = 0 [pid 20315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 20315 [pid 20315] <... openat resumed>) = 3 [pid 20315] write(3, "1000", 4) = 4 [pid 20315] close(3executing program ) = 0 [pid 20315] write(1, "executing program\n", 18) = 18 [pid 20315] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20315] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20315] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20315] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20315] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20315] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20316]}, 88) = 20316 [pid 20315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20315] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20315] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20316 attached [pid 20316] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20316] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20316] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20316] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20315] <... futex resumed>) = 0 [pid 20315] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20315] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20316] <... futex resumed>) = 1 [pid 20316] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20316] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20315] <... futex resumed>) = 0 [pid 20315] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20315] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20316] <... futex resumed>) = 1 [pid 20316] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20316] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20315] <... futex resumed>) = 0 [pid 20315] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20315] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20316] <... futex resumed>) = 1 [pid 20316] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20316] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20315] <... futex resumed>) = 0 [pid 20315] exit_group(0) = ? [pid 20316] +++ exited with 0 +++ [pid 20315] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20315, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20317 attached , child_tidptr=0x55557e841690) = 20317 [pid 20317] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20317] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20317] setpgid(0, 0) = 0 [pid 20317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20317] write(3, "1000", 4) = 4 [pid 20317] close(3) = 0 [pid 20317] write(1, "executing program\n", 18executing program ) = 18 [pid 20317] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20317] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20317] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20317] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20317] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20317] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20317] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20318]}, 88) = 20318 [pid 20317] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20317] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20317] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20318 attached [pid 20318] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20318] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20318] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20318] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20317] <... futex resumed>) = 0 [pid 20317] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20317] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20318] <... futex resumed>) = 1 [pid 20318] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20318] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20317] <... futex resumed>) = 0 [pid 20317] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20317] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20318] <... futex resumed>) = 1 [pid 20318] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20318] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20317] <... futex resumed>) = 0 [pid 20317] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20317] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20318] <... futex resumed>) = 1 [pid 20318] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20318] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20317] <... futex resumed>) = 0 [pid 20317] exit_group(0) = ? [pid 20318] <... futex resumed>) = ? [pid 20318] +++ exited with 0 +++ [pid 20317] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20317, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20319 attached , child_tidptr=0x55557e841690) = 20319 [pid 20319] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20319] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20319] setpgid(0, 0) = 0 [pid 20319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 20319] write(3, "1000", 4) = 4 [pid 20319] close(3) = 0 [pid 20319] write(1, "executing program\n", 18) = 18 [pid 20319] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20319] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20319] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20319] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20319] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20319] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20319] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20320 attached => {parent_tid=[20320]}, 88) = 20320 [pid 20319] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20319] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20319] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20320] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20320] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20320] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20320] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20319] <... futex resumed>) = 0 [pid 20319] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20319] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20320] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20320] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20319] <... futex resumed>) = 0 [pid 20319] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20319] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20320] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20320] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20319] <... futex resumed>) = 0 [pid 20319] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20319] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20320] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20320] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20320] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20319] <... futex resumed>) = 0 [pid 20319] exit_group(0) = ? [pid 20320] <... futex resumed>) = ? [pid 20320] +++ exited with 0 +++ [pid 20319] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20319, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20321 ./strace-static-x86_64: Process 20321 attached [pid 20321] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20321] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20321] setpgid(0, 0) = 0 [pid 20321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20321] write(3, "1000", 4) = 4 [pid 20321] close(3executing program ) = 0 [pid 20321] write(1, "executing program\n", 18) = 18 [pid 20321] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20321] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20321] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20321] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20321] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20321] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20321] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20322]}, 88) = 20322 [pid 20321] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20321] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20321] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20322 attached [pid 20322] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20322] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20322] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20322] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20321] <... futex resumed>) = 0 [pid 20321] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20321] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20322] <... futex resumed>) = 1 [pid 20322] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20322] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20321] <... futex resumed>) = 0 [pid 20321] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20321] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20322] <... futex resumed>) = 1 [pid 20322] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20322] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20321] <... futex resumed>) = 0 [pid 20321] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20321] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20322] <... futex resumed>) = 1 [pid 20322] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20322] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20321] <... futex resumed>) = 0 [pid 20321] exit_group(0) = ? [pid 20322] <... futex resumed>) = ? [pid 20322] +++ exited with 0 +++ [pid 20321] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20321, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20323 ./strace-static-x86_64: Process 20323 attached [pid 20323] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20323] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20323] setpgid(0, 0) = 0 [pid 20323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20323] write(3, "1000", 4) = 4 [pid 20323] close(3) = 0 [pid 20323] write(1, "executing program\n", 18executing program ) = 18 [pid 20323] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20323] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20323] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20323] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20323] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20323] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20323] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20324]}, 88) = 20324 [pid 20323] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20323] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20323] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20324 attached [pid 20324] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20324] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20324] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20324] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20323] <... futex resumed>) = 0 [pid 20323] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20323] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20324] <... futex resumed>) = 1 [pid 20324] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20324] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20323] <... futex resumed>) = 0 [pid 20323] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20323] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20324] <... futex resumed>) = 1 [pid 20324] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20324] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20323] <... futex resumed>) = 0 [pid 20323] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20323] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20324] <... futex resumed>) = 1 [pid 20324] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20324] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20323] <... futex resumed>) = 0 [pid 20323] exit_group(0) = ? [pid 20324] <... futex resumed>) = ? [pid 20324] +++ exited with 0 +++ [pid 20323] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20323, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20325 ./strace-static-x86_64: Process 20325 attached [pid 20325] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20325] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20325] setpgid(0, 0) = 0 [pid 20325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20325] write(3, "1000", 4) = 4 [pid 20325] close(3) = 0 executing program [pid 20325] write(1, "executing program\n", 18) = 18 [pid 20325] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20325] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20325] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20325] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20325] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20325] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20325] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20326 attached => {parent_tid=[20326]}, 88) = 20326 [pid 20325] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20325] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20325] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20326] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20326] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20326] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20326] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20325] <... futex resumed>) = 0 [pid 20325] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20325] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20326] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20326] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20325] <... futex resumed>) = 0 [pid 20325] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20325] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20326] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20326] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20325] <... futex resumed>) = 0 [pid 20325] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20325] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20326] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20326] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20325] <... futex resumed>) = 0 [pid 20325] exit_group(0) = ? [pid 20326] +++ exited with 0 +++ [pid 20325] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20325, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20327 ./strace-static-x86_64: Process 20327 attached [pid 20327] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20327] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20327] setpgid(0, 0) = 0 [pid 20327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20327] write(3, "1000", 4) = 4 [pid 20327] close(3) = 0 executing program [pid 20327] write(1, "executing program\n", 18) = 18 [pid 20327] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20327] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20327] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20327] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20327] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20327] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20327] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20328 attached => {parent_tid=[20328]}, 88) = 20328 [pid 20327] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20327] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20327] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20328] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20328] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20328] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20328] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20327] <... futex resumed>) = 0 [pid 20327] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20327] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20328] <... futex resumed>) = 1 [pid 20328] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20328] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20327] <... futex resumed>) = 0 [pid 20327] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20327] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20328] <... futex resumed>) = 1 [pid 20328] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20328] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20327] <... futex resumed>) = 0 [pid 20327] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20327] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20328] <... futex resumed>) = 1 [pid 20328] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20328] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20327] <... futex resumed>) = 0 [pid 20327] exit_group(0) = ? [pid 20328] <... futex resumed>) = ? [pid 20328] +++ exited with 0 +++ [pid 20327] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20327, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20329 attached , child_tidptr=0x55557e841690) = 20329 [pid 20329] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20329] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20329] setpgid(0, 0) = 0 executing program [pid 20329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20329] write(3, "1000", 4) = 4 [pid 20329] close(3) = 0 [pid 20329] write(1, "executing program\n", 18) = 18 [pid 20329] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20329] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20329] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20329] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20329] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20329] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20329] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20330 attached => {parent_tid=[20330]}, 88) = 20330 [pid 20329] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20329] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20329] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20330] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20330] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20330] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20330] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20329] <... futex resumed>) = 0 [pid 20329] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20329] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20330] <... futex resumed>) = 1 [pid 20330] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20330] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20329] <... futex resumed>) = 0 [pid 20329] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20329] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20330] <... futex resumed>) = 1 [pid 20330] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20330] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20329] <... futex resumed>) = 0 [pid 20329] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20329] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20330] <... futex resumed>) = 1 [pid 20330] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20330] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20329] <... futex resumed>) = 0 [pid 20329] exit_group(0) = ? [pid 20330] <... futex resumed>) = ? [pid 20330] +++ exited with 0 +++ [pid 20329] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20329, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20331 ./strace-static-x86_64: Process 20331 attached [pid 20331] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20331] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20331] setpgid(0, 0) = 0 [pid 20331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20331] write(3, "1000", 4) = 4 [pid 20331] close(3) = 0 executing program [pid 20331] write(1, "executing program\n", 18) = 18 [pid 20331] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20331] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20331] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20331] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20331] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20331] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20331] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20332]}, 88) = 20332 [pid 20331] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20331] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20331] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20332 attached [pid 20332] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20332] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20332] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20332] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20331] <... futex resumed>) = 0 [pid 20331] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20331] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20332] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20332] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20331] <... futex resumed>) = 0 [pid 20331] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20331] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20332] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20332] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20331] <... futex resumed>) = 0 [pid 20331] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20331] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20332] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20332] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20332] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20331] <... futex resumed>) = 0 [pid 20331] exit_group(0) = ? [pid 20332] <... futex resumed>) = ? [pid 20332] +++ exited with 0 +++ [pid 20331] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20331, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20333 attached , child_tidptr=0x55557e841690) = 20333 [pid 20333] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20333] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20333] setpgid(0, 0) = 0 [pid 20333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20333] write(3, "1000", 4) = 4 [pid 20333] close(3) = 0 executing program [pid 20333] write(1, "executing program\n", 18) = 18 [pid 20333] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20333] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20333] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20333] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20333] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20333] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20333] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20334]}, 88) = 20334 [pid 20333] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20333] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20333] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20334 attached [pid 20334] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20334] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20334] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20334] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20333] <... futex resumed>) = 0 [pid 20333] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20333] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20334] <... futex resumed>) = 1 [pid 20334] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20334] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20333] <... futex resumed>) = 0 [pid 20333] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20333] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20334] <... futex resumed>) = 1 [pid 20334] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20334] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20333] <... futex resumed>) = 0 [pid 20333] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20333] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20334] <... futex resumed>) = 1 [pid 20334] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20334] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20333] <... futex resumed>) = 0 [pid 20333] exit_group(0) = ? [pid 20334] <... futex resumed>) = ? [pid 20334] +++ exited with 0 +++ [pid 20333] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20333, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20335 attached , child_tidptr=0x55557e841690) = 20335 [pid 20335] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20335] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20335] setpgid(0, 0) = 0 [pid 20335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20335] write(3, "1000", 4) = 4 [pid 20335] close(3) = 0 [pid 20335] write(1, "executing program\n", 18executing program ) = 18 [pid 20335] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20335] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20335] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20335] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20335] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20335] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20335] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20336 attached => {parent_tid=[20336]}, 88) = 20336 [pid 20336] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20336] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20336] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20335] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20335] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20336] <... futex resumed>) = 0 [pid 20336] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20335] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20336] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20336] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20336] <... futex resumed>) = 0 [pid 20335] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20336] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20335] <... futex resumed>) = 0 [pid 20336] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20335] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20336] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20335] <... futex resumed>) = 0 [pid 20335] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20335] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20336] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20336] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20335] <... futex resumed>) = 0 [pid 20335] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20335] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20336] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20336] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20335] <... futex resumed>) = 0 [pid 20335] exit_group(0) = ? [pid 20336] +++ exited with 0 +++ [pid 20335] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20335, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20337 ./strace-static-x86_64: Process 20337 attached [pid 20337] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20337] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20337] setpgid(0, 0) = 0 [pid 20337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20337] write(3, "1000", 4) = 4 [pid 20337] close(3executing program ) = 0 [pid 20337] write(1, "executing program\n", 18) = 18 [pid 20337] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20337] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20337] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20337] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20337] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20337] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20337] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20338 attached => {parent_tid=[20338]}, 88) = 20338 [pid 20337] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20337] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20337] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20338] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20338] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20338] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20338] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20337] <... futex resumed>) = 0 [pid 20337] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20337] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20338] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20338] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20337] <... futex resumed>) = 0 [pid 20337] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20337] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20338] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20338] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20337] <... futex resumed>) = 0 [pid 20337] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20337] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20338] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20338] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20337] <... futex resumed>) = 0 [pid 20337] exit_group(0) = ? [pid 20338] +++ exited with 0 +++ [pid 20337] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20337, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20339 ./strace-static-x86_64: Process 20339 attached [pid 20339] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20339] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20339] setpgid(0, 0) = 0 [pid 20339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20339] write(3, "1000", 4) = 4 [pid 20339] close(3executing program ) = 0 [pid 20339] write(1, "executing program\n", 18) = 18 [pid 20339] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20339] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20339] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20339] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20339] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20339] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20339] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20340]}, 88) = 20340 [pid 20339] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20339] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20339] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20340 attached [pid 20340] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20340] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20340] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20340] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20339] <... futex resumed>) = 0 [pid 20339] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20339] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20340] <... futex resumed>) = 1 [pid 20340] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20340] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20339] <... futex resumed>) = 0 [pid 20339] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20339] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20340] <... futex resumed>) = 1 [pid 20340] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20340] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20339] <... futex resumed>) = 0 [pid 20339] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20339] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20340] <... futex resumed>) = 1 [pid 20340] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20340] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20339] <... futex resumed>) = 0 [pid 20339] exit_group(0) = ? [pid 20340] <... futex resumed>) = ? [pid 20340] +++ exited with 0 +++ [pid 20339] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20339, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20341 ./strace-static-x86_64: Process 20341 attached [pid 20341] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20341] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20341] setpgid(0, 0) = 0 [pid 20341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20341] write(3, "1000", 4) = 4 [pid 20341] close(3executing program ) = 0 [pid 20341] write(1, "executing program\n", 18) = 18 [pid 20341] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20341] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20341] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20341] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20341] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20341] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20341] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20342 attached => {parent_tid=[20342]}, 88) = 20342 [pid 20341] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20341] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20341] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20342] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20342] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20342] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20342] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20341] <... futex resumed>) = 0 [pid 20341] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20341] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20342] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20342] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20341] <... futex resumed>) = 0 [pid 20341] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20341] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20342] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20342] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20341] <... futex resumed>) = 0 [pid 20341] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20341] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20342] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20342] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20341] <... futex resumed>) = 0 [pid 20341] exit_group(0) = ? [pid 20342] +++ exited with 0 +++ [pid 20341] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20341, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20343 ./strace-static-x86_64: Process 20343 attached [pid 20343] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20343] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20343] setpgid(0, 0) = 0 [pid 20343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20343] write(3, "1000", 4) = 4 [pid 20343] close(3) = 0 executing program [pid 20343] write(1, "executing program\n", 18) = 18 [pid 20343] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20343] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20343] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20343] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20343] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20343] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20343] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20344 attached => {parent_tid=[20344]}, 88) = 20344 [pid 20343] rt_sigprocmask(SIG_SETMASK, [], [pid 20344] set_robust_list(0x7f5486a549a0, 24 [pid 20343] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20344] <... set_robust_list resumed>) = 0 [pid 20343] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20344] rt_sigprocmask(SIG_SETMASK, [], [pid 20343] <... futex resumed>) = 0 [pid 20344] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20343] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20344] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20344] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20343] <... futex resumed>) = 0 [pid 20343] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20343] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20344] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20344] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20343] <... futex resumed>) = 0 [pid 20343] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20343] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20344] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20344] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20343] <... futex resumed>) = 0 [pid 20343] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20343] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20344] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20344] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20343] <... futex resumed>) = 0 [pid 20343] exit_group(0) = ? [pid 20344] +++ exited with 0 +++ [pid 20343] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20343, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20345 attached [pid 20345] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20345] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20345] setpgid(0, 0) = 0 [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 20345 [pid 20345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20345] write(3, "1000", 4) = 4 [pid 20345] close(3) = 0 executing program [pid 20345] write(1, "executing program\n", 18) = 18 [pid 20345] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20345] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20345] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20345] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20345] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20345] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20345] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20346]}, 88) = 20346 [pid 20345] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20345] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20345] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20346 attached [pid 20346] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20346] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20346] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20346] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20345] <... futex resumed>) = 0 [pid 20345] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20345] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20346] <... futex resumed>) = 1 [pid 20346] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20346] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20345] <... futex resumed>) = 0 [pid 20345] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20345] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20346] <... futex resumed>) = 1 [pid 20346] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20346] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20345] <... futex resumed>) = 0 [pid 20345] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20345] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20346] <... futex resumed>) = 1 [pid 20346] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20346] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20345] <... futex resumed>) = 0 [pid 20345] exit_group(0) = ? [pid 20346] <... futex resumed>) = ? [pid 20346] +++ exited with 0 +++ [pid 20345] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20345, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20347 ./strace-static-x86_64: Process 20347 attached [pid 20347] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20347] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20347] setpgid(0, 0) = 0 [pid 20347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20347] write(3, "1000", 4) = 4 [pid 20347] close(3) = 0 executing program [pid 20347] write(1, "executing program\n", 18) = 18 [pid 20347] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20347] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20347] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20347] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20347] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20347] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20347] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20348]}, 88) = 20348 [pid 20347] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20347] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20347] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20348 attached [pid 20348] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20348] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20348] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20348] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20347] <... futex resumed>) = 0 [pid 20347] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20347] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20348] <... futex resumed>) = 1 [pid 20348] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20348] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20347] <... futex resumed>) = 0 [pid 20347] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20347] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20348] <... futex resumed>) = 1 [pid 20348] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20348] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20347] <... futex resumed>) = 0 [pid 20347] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20347] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20348] <... futex resumed>) = 1 [pid 20348] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20348] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20347] <... futex resumed>) = 0 [pid 20347] exit_group(0) = ? [pid 20348] <... futex resumed>) = ? [pid 20348] +++ exited with 0 +++ [pid 20347] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20347, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20349 ./strace-static-x86_64: Process 20349 attached [pid 20349] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20349] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20349] setpgid(0, 0) = 0 [pid 20349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 20349] write(3, "1000", 4) = 4 [pid 20349] close(3) = 0 [pid 20349] write(1, "executing program\n", 18) = 18 [pid 20349] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20349] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20349] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20349] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20349] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20349] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20349] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20350]}, 88) = 20350 [pid 20349] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20349] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20349] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20350 attached [pid 20350] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20350] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20350] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20350] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20349] <... futex resumed>) = 0 [pid 20349] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20349] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20350] <... futex resumed>) = 1 [pid 20350] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20350] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20349] <... futex resumed>) = 0 [pid 20349] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20349] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20350] <... futex resumed>) = 1 [pid 20350] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20350] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20349] <... futex resumed>) = 0 [pid 20349] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20349] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20350] <... futex resumed>) = 1 [pid 20350] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20350] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20349] <... futex resumed>) = 0 [pid 20349] exit_group(0) = ? [pid 20350] <... futex resumed>) = ? [pid 20350] +++ exited with 0 +++ [pid 20349] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20349, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20351 ./strace-static-x86_64: Process 20351 attached [pid 20351] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20351] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20351] setpgid(0, 0) = 0 [pid 20351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20351] write(3, "1000", 4) = 4 [pid 20351] close(3) = 0 [pid 20351] write(1, "executing program\n", 18executing program ) = 18 [pid 20351] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20351] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20351] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20351] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20351] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20351] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20351] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20352 attached => {parent_tid=[20352]}, 88) = 20352 [pid 20351] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20351] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20351] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20352] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20352] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20352] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20352] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20351] <... futex resumed>) = 0 [pid 20351] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20351] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20352] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20352] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20351] <... futex resumed>) = 0 [pid 20351] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20351] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20352] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20352] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20351] <... futex resumed>) = 0 [pid 20351] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20351] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20352] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20352] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20351] <... futex resumed>) = 0 [pid 20351] exit_group(0) = ? [pid 20352] +++ exited with 0 +++ [pid 20351] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20351, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20353 ./strace-static-x86_64: Process 20353 attached [pid 20353] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20353] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20353] setpgid(0, 0) = 0 [pid 20353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20353] write(3, "1000", 4) = 4 [pid 20353] close(3executing program ) = 0 [pid 20353] write(1, "executing program\n", 18) = 18 [pid 20353] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20353] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20353] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20353] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20353] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20353] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20353] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20354]}, 88) = 20354 [pid 20353] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20353] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20353] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20354 attached [pid 20354] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20354] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20354] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20354] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20353] <... futex resumed>) = 0 [pid 20353] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20353] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20354] <... futex resumed>) = 1 [pid 20354] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20354] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20353] <... futex resumed>) = 0 [pid 20353] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20353] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20354] <... futex resumed>) = 1 [pid 20354] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20354] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20353] <... futex resumed>) = 0 [pid 20353] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20353] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20354] <... futex resumed>) = 1 [pid 20354] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20354] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20353] <... futex resumed>) = 0 [pid 20353] exit_group(0) = ? [pid 20354] <... futex resumed>) = ? [pid 20354] +++ exited with 0 +++ [pid 20353] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20353, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20355 ./strace-static-x86_64: Process 20355 attached [pid 20355] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20355] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20355] setpgid(0, 0) = 0 [pid 20355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20355] write(3, "1000", 4) = 4 [pid 20355] close(3) = 0 executing program [pid 20355] write(1, "executing program\n", 18) = 18 [pid 20355] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20355] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20355] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20355] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20355] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20355] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20355] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20356 attached => {parent_tid=[20356]}, 88) = 20356 [pid 20355] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20355] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20355] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20356] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20356] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20356] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20356] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20355] <... futex resumed>) = 0 [pid 20355] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20355] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20356] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20356] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20355] <... futex resumed>) = 0 [pid 20355] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20355] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20356] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20356] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20355] <... futex resumed>) = 0 [pid 20355] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20355] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20356] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20356] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20356] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20355] <... futex resumed>) = 0 [pid 20355] exit_group(0) = ? [pid 20356] <... futex resumed>) = ? [pid 20356] +++ exited with 0 +++ [pid 20355] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20355, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20357 attached [pid 20357] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20357] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20357] setpgid(0, 0) = 0 [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 20357 [pid 20357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20357] write(3, "1000", 4) = 4 [pid 20357] close(3) = 0 [pid 20357] write(1, "executing program\n", 18executing program ) = 18 [pid 20357] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20357] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20357] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20357] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20357] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20357] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20357] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20358]}, 88) = 20358 [pid 20357] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20357] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20357] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20358 attached [pid 20358] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20358] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20358] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20358] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20357] <... futex resumed>) = 0 [pid 20357] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20357] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20358] <... futex resumed>) = 1 [pid 20358] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20358] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20357] <... futex resumed>) = 0 [pid 20357] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20357] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20358] <... futex resumed>) = 1 [pid 20358] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20358] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20357] <... futex resumed>) = 0 [pid 20357] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20357] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20358] <... futex resumed>) = 1 [pid 20358] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20358] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20357] <... futex resumed>) = 0 [pid 20357] exit_group(0) = ? [pid 20358] <... futex resumed>) = ? [pid 20358] +++ exited with 0 +++ [pid 20357] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20357, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20359 attached , child_tidptr=0x55557e841690) = 20359 [pid 20359] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20359] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20359] setpgid(0, 0) = 0 [pid 20359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20359] write(3, "1000", 4) = 4 [pid 20359] close(3) = 0 executing program [pid 20359] write(1, "executing program\n", 18) = 18 [pid 20359] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20359] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20359] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20359] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20359] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20359] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20359] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20360]}, 88) = 20360 [pid 20359] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20359] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20359] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20360 attached [pid 20360] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20360] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20360] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20360] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20359] <... futex resumed>) = 0 [pid 20359] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20359] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20360] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20360] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20359] <... futex resumed>) = 0 [pid 20359] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20359] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20360] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20360] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20359] <... futex resumed>) = 0 [pid 20359] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20359] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20360] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20360] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20359] <... futex resumed>) = 0 [pid 20359] exit_group(0) = ? [pid 20360] +++ exited with 0 +++ [pid 20359] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20359, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20361 ./strace-static-x86_64: Process 20361 attached [pid 20361] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20361] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20361] setpgid(0, 0) = 0 [pid 20361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20361] write(3, "1000", 4) = 4 executing program [pid 20361] close(3) = 0 [pid 20361] write(1, "executing program\n", 18) = 18 [pid 20361] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20361] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20361] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20361] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20361] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20361] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20361] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20362]}, 88) = 20362 [pid 20361] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20361] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20361] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20362 attached [pid 20362] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20362] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20362] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20362] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20361] <... futex resumed>) = 0 [pid 20361] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20361] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20362] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20362] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20361] <... futex resumed>) = 0 [pid 20361] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20361] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20362] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20362] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20361] <... futex resumed>) = 0 [pid 20361] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20361] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20362] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20362] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20361] <... futex resumed>) = 0 [pid 20361] exit_group(0) = ? [pid 20362] +++ exited with 0 +++ [pid 20361] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20361, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20363 attached [pid 20363] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20363] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 20363 [pid 20363] <... prctl resumed>) = 0 [pid 20363] setpgid(0, 0) = 0 [pid 20363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20363] write(3, "1000", 4) = 4 [pid 20363] close(3) = 0 [pid 20363] write(1, "executing program\n", 18executing program ) = 18 [pid 20363] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20363] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20363] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20363] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20363] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20363] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20363] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20364]}, 88) = 20364 ./strace-static-x86_64: Process 20364 attached [pid 20364] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20364] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20364] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20363] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20363] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20364] <... futex resumed>) = 0 [pid 20364] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20363] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20364] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20364] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20363] <... futex resumed>) = 0 [pid 20363] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20364] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20363] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20364] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20364] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20363] <... futex resumed>) = 0 [pid 20363] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20363] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20364] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20364] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20363] <... futex resumed>) = 0 [pid 20363] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20364] write(-1, "0x0000000000000001", 18 [pid 20363] <... futex resumed>) = 0 [pid 20364] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20363] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20364] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20363] <... futex resumed>) = 0 [pid 20364] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20363] exit_group(0 [pid 20364] <... futex resumed>) = ? [pid 20363] <... exit_group resumed>) = ? [pid 20364] +++ exited with 0 +++ [pid 20363] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20363, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20365 attached , child_tidptr=0x55557e841690) = 20365 [pid 20365] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20365] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20365] setpgid(0, 0) = 0 [pid 20365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20365] write(3, "1000", 4) = 4 executing program [pid 20365] close(3) = 0 [pid 20365] write(1, "executing program\n", 18) = 18 [pid 20365] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20365] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20365] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20365] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20365] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20365] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20365] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20366]}, 88) = 20366 [pid 20365] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20365] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20365] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20366 attached [pid 20366] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20366] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20366] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20366] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20365] <... futex resumed>) = 0 [pid 20365] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20365] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20366] <... futex resumed>) = 1 [pid 20366] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20366] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20365] <... futex resumed>) = 0 [pid 20365] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20365] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20366] <... futex resumed>) = 1 [pid 20366] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20366] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20365] <... futex resumed>) = 0 [pid 20365] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20365] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20366] <... futex resumed>) = 1 [pid 20366] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20366] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20365] <... futex resumed>) = 0 [pid 20365] exit_group(0) = ? [pid 20366] <... futex resumed>) = ? [pid 20366] +++ exited with 0 +++ [pid 20365] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20365, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20367 attached , child_tidptr=0x55557e841690) = 20367 [pid 20367] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20367] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20367] setpgid(0, 0) = 0 [pid 20367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20367] write(3, "1000", 4) = 4 [pid 20367] close(3executing program ) = 0 [pid 20367] write(1, "executing program\n", 18) = 18 [pid 20367] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20367] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20367] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20367] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20367] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20367] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20367] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20368]}, 88) = 20368 [pid 20367] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20367] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20367] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20368 attached [pid 20368] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20368] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20368] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20368] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20367] <... futex resumed>) = 0 [pid 20367] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20367] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20368] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20368] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20367] <... futex resumed>) = 0 [pid 20367] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20367] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20368] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20368] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20367] <... futex resumed>) = 0 [pid 20367] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20367] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20368] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20368] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20367] <... futex resumed>) = 0 [pid 20367] exit_group(0) = ? [pid 20368] +++ exited with 0 +++ [pid 20367] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20367, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20369 ./strace-static-x86_64: Process 20369 attached [pid 20369] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20369] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20369] setpgid(0, 0) = 0 [pid 20369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20369] write(3, "1000", 4) = 4 [pid 20369] close(3) = 0 [pid 20369] write(1, "executing program\n", 18executing program ) = 18 [pid 20369] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20369] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20369] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20369] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20369] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20369] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20369] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20370 attached => {parent_tid=[20370]}, 88) = 20370 [pid 20369] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20369] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20369] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20370] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20370] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20370] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20370] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20369] <... futex resumed>) = 0 [pid 20369] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20369] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20370] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20370] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20369] <... futex resumed>) = 0 [pid 20369] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20369] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20370] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20370] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20369] <... futex resumed>) = 0 [pid 20369] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20369] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20370] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20370] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20369] <... futex resumed>) = 0 [pid 20369] exit_group(0) = ? [pid 20370] +++ exited with 0 +++ [pid 20369] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20369, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20371 ./strace-static-x86_64: Process 20371 attached [pid 20371] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20371] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20371] setpgid(0, 0) = 0 [pid 20371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20371] write(3, "1000", 4) = 4 [pid 20371] close(3) = 0 [pid 20371] write(1, "executing program\n", 18executing program ) = 18 [pid 20371] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20371] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20371] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20371] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20371] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20371] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20371] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20372 attached [pid 20372] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20372] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20372] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20371] <... clone3 resumed> => {parent_tid=[20372]}, 88) = 20372 [pid 20371] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20371] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20372] <... futex resumed>) = 0 [pid 20372] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20371] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20372] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20372] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20372] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20371] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20372] <... futex resumed>) = 0 [pid 20372] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20371] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20372] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20371] <... futex resumed>) = 0 [pid 20372] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20371] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20372] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20371] <... futex resumed>) = 0 [pid 20372] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20371] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20372] <... futex resumed>) = 0 [pid 20371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20372] write(-1, "0x0000000000000001", 18 [pid 20371] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20372] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20371] <... futex resumed>) = 0 [pid 20372] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20371] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20372] <... futex resumed>) = 0 [pid 20371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20372] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20371] exit_group(0 [pid 20372] <... futex resumed>) = ? [pid 20371] <... exit_group resumed>) = ? [pid 20372] +++ exited with 0 +++ [pid 20371] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20371, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20373 ./strace-static-x86_64: Process 20373 attached [pid 20373] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20373] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20373] setpgid(0, 0) = 0 [pid 20373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20373] write(3, "1000", 4) = 4 [pid 20373] close(3) = 0 [pid 20373] write(1, "executing program\n", 18executing program ) = 18 [pid 20373] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20373] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20373] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20373] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20373] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20373] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20373] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20374]}, 88) = 20374 ./strace-static-x86_64: Process 20374 attached [pid 20373] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20373] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20373] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20374] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20374] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20374] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20374] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20373] <... futex resumed>) = 0 [pid 20374] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20373] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20374] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20373] <... futex resumed>) = 0 [pid 20374] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20373] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20374] <... futex resumed>) = 0 [pid 20373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20374] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20373] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20374] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20373] <... futex resumed>) = 0 [pid 20374] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20373] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20374] <... futex resumed>) = 0 [pid 20373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20374] write(-1, "0x0000000000000001", 18 [pid 20373] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20374] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20373] <... futex resumed>) = 0 [pid 20374] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20373] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20374] <... futex resumed>) = 0 [pid 20373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20374] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20373] exit_group(0 [pid 20374] <... futex resumed>) = ? [pid 20373] <... exit_group resumed>) = ? [pid 20374] +++ exited with 0 +++ [pid 20373] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20373, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20375 attached [pid 20375] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20375] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20375] setpgid(0, 0) = 0 [pid 20375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20375] write(3, "1000", 4) = 4 executing program [pid 20375] close(3) = 0 [pid 20375] write(1, "executing program\n", 18) = 18 [pid 20375] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20375] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20375] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20375] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 20375 [pid 20375] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20375] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20375] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20376]}, 88) = 20376 [pid 20375] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20375] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20375] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20376 attached [pid 20376] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20376] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20376] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20376] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20375] <... futex resumed>) = 0 [pid 20375] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20375] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20376] <... futex resumed>) = 1 [pid 20376] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20376] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20375] <... futex resumed>) = 0 [pid 20375] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20375] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20376] <... futex resumed>) = 1 [pid 20376] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20376] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20375] <... futex resumed>) = 0 [pid 20375] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20375] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20376] <... futex resumed>) = 1 [pid 20376] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20376] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20375] <... futex resumed>) = 0 [pid 20375] exit_group(0) = ? [pid 20376] <... futex resumed>) = ? [pid 20376] +++ exited with 0 +++ [pid 20375] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20375, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20377 ./strace-static-x86_64: Process 20377 attached [pid 20377] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20377] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20377] setpgid(0, 0) = 0 [pid 20377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20377] write(3, "1000", 4) = 4 [pid 20377] close(3) = 0 executing program [pid 20377] write(1, "executing program\n", 18) = 18 [pid 20377] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20377] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20377] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20377] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20377] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20377] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20377] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20378]}, 88) = 20378 ./strace-static-x86_64: Process 20378 attached [pid 20377] rt_sigprocmask(SIG_SETMASK, [], [pid 20378] set_robust_list(0x7f5486a549a0, 24 [pid 20377] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20378] <... set_robust_list resumed>) = 0 [pid 20378] rt_sigprocmask(SIG_SETMASK, [], [pid 20377] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20378] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20377] <... futex resumed>) = 0 [pid 20378] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20377] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20378] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20378] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20377] <... futex resumed>) = 0 [pid 20377] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20377] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20378] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20378] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20377] <... futex resumed>) = 0 [pid 20377] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20377] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20378] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20378] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20377] <... futex resumed>) = 0 [pid 20377] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20377] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20378] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20378] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20377] <... futex resumed>) = 0 [pid 20377] exit_group(0) = ? [pid 20378] +++ exited with 0 +++ [pid 20377] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20377, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20379 ./strace-static-x86_64: Process 20379 attached [pid 20379] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20379] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20379] setpgid(0, 0) = 0 [pid 20379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20379] write(3, "1000", 4executing program ) = 4 [pid 20379] close(3) = 0 [pid 20379] write(1, "executing program\n", 18) = 18 [pid 20379] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20379] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20379] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20379] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20379] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20379] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20380 attached => {parent_tid=[20380]}, 88) = 20380 [pid 20379] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20379] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20379] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20380] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20380] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20380] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20380] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20379] <... futex resumed>) = 0 [pid 20379] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20379] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20380] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20380] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20379] <... futex resumed>) = 0 [pid 20379] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20379] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20380] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20380] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20379] <... futex resumed>) = 0 [pid 20379] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20379] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20380] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20380] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20379] <... futex resumed>) = 0 [pid 20379] exit_group(0) = ? [pid 20380] +++ exited with 0 +++ [pid 20379] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20379, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20381 attached , child_tidptr=0x55557e841690) = 20381 [pid 20381] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20381] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20381] setpgid(0, 0) = 0 [pid 20381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20381] write(3, "1000", 4) = 4 [pid 20381] close(3) = 0 executing program [pid 20381] write(1, "executing program\n", 18) = 18 [pid 20381] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20381] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20381] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20381] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20381] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20381] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20381] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20382]}, 88) = 20382 ./strace-static-x86_64: Process 20382 attached [pid 20382] set_robust_list(0x7f5486a549a0, 24 [pid 20381] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20382] <... set_robust_list resumed>) = 0 [pid 20382] rt_sigprocmask(SIG_SETMASK, [], [pid 20381] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20382] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20381] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20382] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20382] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20381] <... futex resumed>) = 0 [pid 20382] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20381] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20382] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20381] <... futex resumed>) = 0 [pid 20382] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20381] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20382] <... futex resumed>) = 0 [pid 20381] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20382] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20381] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20382] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20381] <... futex resumed>) = 0 [pid 20382] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20381] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20382] <... futex resumed>) = 0 [pid 20381] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20382] write(-1, "0x0000000000000001", 18 [pid 20381] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20382] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20381] <... futex resumed>) = 0 [pid 20382] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20381] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20382] <... futex resumed>) = 0 [pid 20381] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20382] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20381] exit_group(0 [pid 20382] <... futex resumed>) = ? [pid 20381] <... exit_group resumed>) = ? [pid 20382] +++ exited with 0 +++ [pid 20381] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20381, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20383 ./strace-static-x86_64: Process 20383 attached [pid 20383] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20383] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20383] setpgid(0, 0) = 0 [pid 20383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20383] write(3, "1000", 4) = 4 [pid 20383] close(3) = 0 [pid 20383] write(1, "executing program\n", 18executing program ) = 18 [pid 20383] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20383] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20383] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20383] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20383] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20383] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20383] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20384]}, 88) = 20384 ./strace-static-x86_64: Process 20384 attached [pid 20383] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20383] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20383] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20384] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20384] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20384] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20384] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20383] <... futex resumed>) = 0 [pid 20384] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20383] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20384] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20383] <... futex resumed>) = 0 [pid 20384] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20383] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20384] <... futex resumed>) = 0 [pid 20383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20384] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20383] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20384] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20383] <... futex resumed>) = 0 [pid 20384] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20383] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20384] <... futex resumed>) = 0 [pid 20383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20384] write(-1, "0x0000000000000001", 18 [pid 20383] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20384] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20383] <... futex resumed>) = 0 [pid 20384] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20383] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20384] <... futex resumed>) = 0 [pid 20383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20384] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20383] exit_group(0 [pid 20384] <... futex resumed>) = ? [pid 20383] <... exit_group resumed>) = ? [pid 20384] +++ exited with 0 +++ [pid 20383] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20383, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20385 ./strace-static-x86_64: Process 20385 attached [pid 20385] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20385] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20385] setpgid(0, 0) = 0 [pid 20385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20385] write(3, "1000", 4) = 4 [pid 20385] close(3) = 0 executing program [pid 20385] write(1, "executing program\n", 18) = 18 [pid 20385] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20385] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20385] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20385] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20385] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20385] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20385] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20386]}, 88) = 20386 ./strace-static-x86_64: Process 20386 attached [pid 20386] set_robust_list(0x7f5486a549a0, 24 [pid 20385] rt_sigprocmask(SIG_SETMASK, [], [pid 20386] <... set_robust_list resumed>) = 0 [pid 20385] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20386] rt_sigprocmask(SIG_SETMASK, [], [pid 20385] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20385] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20386] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20386] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20386] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20385] <... futex resumed>) = 0 [pid 20386] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20385] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20386] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20385] <... futex resumed>) = 0 [pid 20386] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20385] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20386] <... futex resumed>) = 0 [pid 20385] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20386] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20385] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20386] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20385] <... futex resumed>) = 0 [pid 20386] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20385] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20386] <... futex resumed>) = 0 [pid 20385] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20386] write(-1, "0x0000000000000001", 18 [pid 20385] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20386] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20385] <... futex resumed>) = 0 [pid 20386] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20385] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20386] <... futex resumed>) = 0 [pid 20385] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20386] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20385] exit_group(0 [pid 20386] <... futex resumed>) = ? [pid 20385] <... exit_group resumed>) = ? [pid 20386] +++ exited with 0 +++ [pid 20385] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20385, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20387 ./strace-static-x86_64: Process 20387 attached [pid 20387] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20387] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20387] setpgid(0, 0) = 0 [pid 20387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20387] write(3, "1000", 4) = 4 [pid 20387] close(3) = 0 executing program [pid 20387] write(1, "executing program\n", 18) = 18 [pid 20387] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20387] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20387] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20387] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20387] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20387] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20388 attached => {parent_tid=[20388]}, 88) = 20388 [pid 20387] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20387] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20387] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20388] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20388] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20388] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20388] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20387] <... futex resumed>) = 0 [pid 20388] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20387] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20388] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20387] <... futex resumed>) = 0 [pid 20388] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20387] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20388] <... futex resumed>) = 0 [pid 20387] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20388] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20387] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20388] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20387] <... futex resumed>) = 0 [pid 20388] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20387] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20388] <... futex resumed>) = 0 [pid 20387] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20388] write(-1, "0x0000000000000001", 18 [pid 20387] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20388] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20387] <... futex resumed>) = 0 [pid 20388] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20387] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20388] <... futex resumed>) = 0 [pid 20387] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20388] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20387] exit_group(0 [pid 20388] <... futex resumed>) = ? [pid 20387] <... exit_group resumed>) = ? [pid 20388] +++ exited with 0 +++ [pid 20387] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20387, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20389 ./strace-static-x86_64: Process 20389 attached [pid 20389] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20389] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20389] setpgid(0, 0) = 0 [pid 20389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20389] write(3, "1000", 4) = 4 [pid 20389] close(3) = 0 [pid 20389] write(1, "executing program\n", 18executing program ) = 18 [pid 20389] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20389] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20389] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20389] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20389] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20389] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20389] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20390 attached => {parent_tid=[20390]}, 88) = 20390 [pid 20389] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20389] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20389] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20390] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20390] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20390] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20390] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20389] <... futex resumed>) = 0 [pid 20390] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20389] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20390] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20389] <... futex resumed>) = 0 [pid 20390] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20389] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20390] <... futex resumed>) = 0 [pid 20389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20390] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20389] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20390] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20389] <... futex resumed>) = 0 [pid 20390] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20389] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20390] <... futex resumed>) = 0 [pid 20389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20390] write(-1, "0x0000000000000001", 18 [pid 20389] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20390] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20389] <... futex resumed>) = 0 [pid 20390] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20389] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20390] <... futex resumed>) = 0 [pid 20389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20390] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20389] exit_group(0 [pid 20390] <... futex resumed>) = ? [pid 20389] <... exit_group resumed>) = ? [pid 20390] +++ exited with 0 +++ [pid 20389] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20389, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20391 ./strace-static-x86_64: Process 20391 attached [pid 20391] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20391] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20391] setpgid(0, 0) = 0 [pid 20391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20391] write(3, "1000", 4) = 4 [pid 20391] close(3) = 0 [pid 20391] write(1, "executing program\n", 18executing program ) = 18 [pid 20391] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20391] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20391] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20391] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20391] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20391] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20391] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20392]}, 88) = 20392 ./strace-static-x86_64: Process 20392 attached [pid 20391] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20391] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20391] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20392] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20392] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20392] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20392] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20391] <... futex resumed>) = 0 [pid 20392] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20391] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20392] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20391] <... futex resumed>) = 0 [pid 20392] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20391] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20392] <... futex resumed>) = 0 [pid 20391] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20392] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20391] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20392] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20391] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20392] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20391] <... futex resumed>) = 0 [pid 20392] write(-1, "0x0000000000000001", 18 [pid 20391] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20392] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20391] <... futex resumed>) = 0 [pid 20392] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20391] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20392] <... futex resumed>) = 0 [pid 20391] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20392] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20391] exit_group(0 [pid 20392] <... futex resumed>) = ? [pid 20391] <... exit_group resumed>) = ? [pid 20392] +++ exited with 0 +++ [pid 20391] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20391, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20393 attached , child_tidptr=0x55557e841690) = 20393 [pid 20393] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20393] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20393] setpgid(0, 0) = 0 [pid 20393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20393] write(3, "1000", 4) = 4 [pid 20393] close(3) = 0 [pid 20393] write(1, "executing program\n", 18executing program ) = 18 [pid 20393] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20393] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20393] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20393] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20393] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20393] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20393] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20394]}, 88) = 20394 ./strace-static-x86_64: Process 20394 attached [pid 20393] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20393] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20393] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20394] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20394] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20394] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20394] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20393] <... futex resumed>) = 0 [pid 20394] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20393] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20394] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20393] <... futex resumed>) = 0 [pid 20394] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20393] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20394] <... futex resumed>) = 0 [pid 20393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20394] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20393] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20394] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20393] <... futex resumed>) = 0 [pid 20394] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20393] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20394] <... futex resumed>) = 0 [pid 20393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20394] write(-1, "0x0000000000000001", 18 [pid 20393] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20394] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20393] <... futex resumed>) = 0 [pid 20394] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20393] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20394] <... futex resumed>) = 0 [pid 20393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20394] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20393] exit_group(0 [pid 20394] <... futex resumed>) = ? [pid 20393] <... exit_group resumed>) = ? [pid 20394] +++ exited with 0 +++ [pid 20393] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20393, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20395 attached , child_tidptr=0x55557e841690) = 20395 [pid 20395] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20395] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20395] setpgid(0, 0) = 0 [pid 20395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20395] write(3, "1000", 4) = 4 [pid 20395] close(3) = 0 executing program [pid 20395] write(1, "executing program\n", 18) = 18 [pid 20395] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20395] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20395] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20395] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20395] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20395] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20395] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20396 attached => {parent_tid=[20396]}, 88) = 20396 [pid 20395] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20395] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20395] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20396] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20396] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20396] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20396] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20395] <... futex resumed>) = 0 [pid 20396] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20395] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20396] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20395] <... futex resumed>) = 0 [pid 20396] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20395] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20396] <... futex resumed>) = 0 [pid 20395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20396] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20395] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20396] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20395] <... futex resumed>) = 0 [pid 20396] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20395] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20396] <... futex resumed>) = 0 [pid 20395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20396] write(-1, "0x0000000000000001", 18 [pid 20395] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20396] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20395] <... futex resumed>) = 0 [pid 20396] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20395] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20396] <... futex resumed>) = 0 [pid 20395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20396] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20395] exit_group(0 [pid 20396] <... futex resumed>) = ? [pid 20395] <... exit_group resumed>) = ? [pid 20396] +++ exited with 0 +++ [pid 20395] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20395, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20397 ./strace-static-x86_64: Process 20397 attached [pid 20397] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20397] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20397] setpgid(0, 0) = 0 [pid 20397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20397] write(3, "1000", 4) = 4 executing program [pid 20397] close(3) = 0 [pid 20397] write(1, "executing program\n", 18) = 18 [pid 20397] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20397] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20397] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20397] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20397] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20397] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20397] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20398]}, 88) = 20398 ./strace-static-x86_64: Process 20398 attached [pid 20398] set_robust_list(0x7f5486a549a0, 24 [pid 20397] rt_sigprocmask(SIG_SETMASK, [], [pid 20398] <... set_robust_list resumed>) = 0 [pid 20397] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20398] rt_sigprocmask(SIG_SETMASK, [], [pid 20397] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20398] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20397] <... futex resumed>) = 0 [pid 20397] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20398] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20398] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20397] <... futex resumed>) = 0 [pid 20398] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20397] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20398] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20397] <... futex resumed>) = 0 [pid 20398] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20397] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20398] <... futex resumed>) = 0 [pid 20397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20398] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20397] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20398] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20397] <... futex resumed>) = 0 [pid 20398] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20397] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20398] <... futex resumed>) = 0 [pid 20397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20398] write(-1, "0x0000000000000001", 18 [pid 20397] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20398] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20397] <... futex resumed>) = 0 [pid 20397] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20398] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20397] <... futex resumed>) = 0 [pid 20398] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20397] exit_group(0 [pid 20398] <... futex resumed>) = ? [pid 20397] <... exit_group resumed>) = ? [pid 20398] +++ exited with 0 +++ [pid 20397] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20397, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20399 ./strace-static-x86_64: Process 20399 attached [pid 20399] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20399] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20399] setpgid(0, 0) = 0 [pid 20399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20399] write(3, "1000", 4) = 4 [pid 20399] close(3) = 0 [pid 20399] write(1, "executing program\n", 18executing program ) = 18 [pid 20399] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20399] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20399] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20399] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20399] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20399] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20399] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20400]}, 88) = 20400 [pid 20399] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20399] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20399] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20400 attached [pid 20400] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20400] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20400] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20400] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20399] <... futex resumed>) = 0 [pid 20400] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20399] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20400] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20399] <... futex resumed>) = 0 [pid 20400] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20399] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20400] <... futex resumed>) = 0 [pid 20399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20400] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20399] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20400] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20399] <... futex resumed>) = 0 [pid 20400] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20399] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20400] <... futex resumed>) = 0 [pid 20399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20400] write(-1, "0x0000000000000001", 18 [pid 20399] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20400] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20399] <... futex resumed>) = 0 [pid 20400] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20399] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20400] <... futex resumed>) = 0 [pid 20399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20400] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20399] exit_group(0 [pid 20400] <... futex resumed>) = ? [pid 20399] <... exit_group resumed>) = ? [pid 20400] +++ exited with 0 +++ [pid 20399] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20399, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20401 ./strace-static-x86_64: Process 20401 attached [pid 20401] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20401] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20401] setpgid(0, 0) = 0 [pid 20401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20401] write(3, "1000", 4) = 4 [pid 20401] close(3executing program ) = 0 [pid 20401] write(1, "executing program\n", 18) = 18 [pid 20401] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20401] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20401] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20401] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20401] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20401] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20401] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20402 attached => {parent_tid=[20402]}, 88) = 20402 [pid 20402] set_robust_list(0x7f5486a549a0, 24 [pid 20401] rt_sigprocmask(SIG_SETMASK, [], [pid 20402] <... set_robust_list resumed>) = 0 [pid 20401] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20402] rt_sigprocmask(SIG_SETMASK, [], [pid 20401] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20402] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20401] <... futex resumed>) = 0 [pid 20402] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20401] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20402] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20402] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20401] <... futex resumed>) = 0 [pid 20402] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20401] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20402] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20401] <... futex resumed>) = 0 [pid 20402] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20401] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20402] <... futex resumed>) = 0 [pid 20401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20402] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20401] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20402] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20401] <... futex resumed>) = 0 [pid 20402] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20401] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20402] <... futex resumed>) = 0 [pid 20401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20402] write(-1, "0x0000000000000001", 18 [pid 20401] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20402] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20401] <... futex resumed>) = 0 [pid 20402] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20401] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20402] <... futex resumed>) = 0 [pid 20401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20402] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20401] exit_group(0 [pid 20402] <... futex resumed>) = ? [pid 20401] <... exit_group resumed>) = ? [pid 20402] +++ exited with 0 +++ [pid 20401] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20401, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20403 ./strace-static-x86_64: Process 20403 attached [pid 20403] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20403] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20403] setpgid(0, 0) = 0 [pid 20403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20403] write(3, "1000", 4) = 4 [pid 20403] close(3) = 0 executing program [pid 20403] write(1, "executing program\n", 18) = 18 [pid 20403] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20403] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20403] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20403] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20403] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20403] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20404 attached [pid 20404] set_robust_list(0x7f5486a549a0, 24 [pid 20403] <... clone3 resumed> => {parent_tid=[20404]}, 88) = 20404 [pid 20404] <... set_robust_list resumed>) = 0 [pid 20403] rt_sigprocmask(SIG_SETMASK, [], [pid 20404] rt_sigprocmask(SIG_SETMASK, [], [pid 20403] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20404] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20403] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20404] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20403] <... futex resumed>) = 0 [pid 20404] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20403] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20404] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20403] <... futex resumed>) = 0 [pid 20404] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20403] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20404] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20403] <... futex resumed>) = 0 [pid 20404] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20403] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20404] <... futex resumed>) = 0 [pid 20403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20404] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20403] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20404] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20403] <... futex resumed>) = 0 [pid 20404] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20403] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20404] <... futex resumed>) = 0 [pid 20403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20404] write(-1, "0x0000000000000001", 18 [pid 20403] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20404] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20403] <... futex resumed>) = 0 [pid 20404] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20403] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20404] <... futex resumed>) = 0 [pid 20403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20404] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20403] exit_group(0 [pid 20404] <... futex resumed>) = ? [pid 20403] <... exit_group resumed>) = ? [pid 20404] +++ exited with 0 +++ [pid 20403] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20403, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20405 ./strace-static-x86_64: Process 20405 attached [pid 20405] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20405] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20405] setpgid(0, 0) = 0 [pid 20405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20405] write(3, "1000", 4) = 4 [pid 20405] close(3) = 0 executing program [pid 20405] write(1, "executing program\n", 18) = 18 [pid 20405] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20405] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20405] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20405] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20405] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20405] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20405] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20406 attached [pid 20406] set_robust_list(0x7f5486a549a0, 24 [pid 20405] <... clone3 resumed> => {parent_tid=[20406]}, 88) = 20406 [pid 20405] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20405] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20405] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20406] <... set_robust_list resumed>) = 0 [pid 20406] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20406] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20406] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20405] <... futex resumed>) = 0 [pid 20406] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20405] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20406] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20405] <... futex resumed>) = 0 [pid 20406] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20405] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20406] <... futex resumed>) = 0 [pid 20405] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20406] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20405] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20406] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20405] <... futex resumed>) = 0 [pid 20406] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20405] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20406] <... futex resumed>) = 0 [pid 20405] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20406] write(-1, "0x0000000000000001", 18 [pid 20405] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20406] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20405] <... futex resumed>) = 0 [pid 20406] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20405] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20406] <... futex resumed>) = 0 [pid 20405] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20406] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20405] exit_group(0 [pid 20406] <... futex resumed>) = ? [pid 20405] <... exit_group resumed>) = ? [pid 20406] +++ exited with 0 +++ [pid 20405] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20405, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20407 attached , child_tidptr=0x55557e841690) = 20407 [pid 20407] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20407] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20407] setpgid(0, 0) = 0 [pid 20407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20407] write(3, "1000", 4) = 4 [pid 20407] close(3) = 0 executing program [pid 20407] write(1, "executing program\n", 18) = 18 [pid 20407] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20407] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20407] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20407] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20407] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20407] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20407] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20408 attached => {parent_tid=[20408]}, 88) = 20408 [pid 20407] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20407] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20407] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20408] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20408] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20408] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20408] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20407] <... futex resumed>) = 0 [pid 20408] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20407] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20408] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20407] <... futex resumed>) = 0 [pid 20408] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20407] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20408] <... futex resumed>) = 0 [pid 20407] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20408] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20407] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20408] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20407] <... futex resumed>) = 0 [pid 20408] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20407] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20408] <... futex resumed>) = 0 [pid 20407] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20408] write(-1, "0x0000000000000001", 18 [pid 20407] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20408] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20407] <... futex resumed>) = 0 [pid 20408] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20407] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20408] <... futex resumed>) = 0 [pid 20407] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20408] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20407] exit_group(0 [pid 20408] <... futex resumed>) = ? [pid 20407] <... exit_group resumed>) = ? [pid 20408] +++ exited with 0 +++ [pid 20407] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20407, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20409 attached , child_tidptr=0x55557e841690) = 20409 [pid 20409] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20409] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20409] setpgid(0, 0) = 0 [pid 20409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20409] write(3, "1000", 4) = 4 [pid 20409] close(3) = 0 [pid 20409] write(1, "executing program\n", 18) = 18 executing program [pid 20409] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20409] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20409] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20409] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20409] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20409] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20409] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20410]}, 88) = 20410 ./strace-static-x86_64: Process 20410 attached [pid 20409] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20409] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20409] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20410] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20410] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20410] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20410] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20409] <... futex resumed>) = 0 [pid 20410] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20409] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20410] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20409] <... futex resumed>) = 0 [pid 20410] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20409] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20410] <... futex resumed>) = 0 [pid 20409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20410] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20409] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20410] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20409] <... futex resumed>) = 0 [pid 20410] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20409] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20410] <... futex resumed>) = 0 [pid 20409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20410] write(-1, "0x0000000000000001", 18 [pid 20409] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20410] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20409] <... futex resumed>) = 0 [pid 20410] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20409] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20410] <... futex resumed>) = 0 [pid 20409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20410] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20409] exit_group(0 [pid 20410] <... futex resumed>) = ? [pid 20409] <... exit_group resumed>) = ? [pid 20410] +++ exited with 0 +++ [pid 20409] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20409, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20411 ./strace-static-x86_64: Process 20411 attached [pid 20411] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20411] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20411] setpgid(0, 0) = 0 [pid 20411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20411] write(3, "1000", 4) = 4 executing program [pid 20411] close(3) = 0 [pid 20411] write(1, "executing program\n", 18) = 18 [pid 20411] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20411] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20411] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20411] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20411] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20411] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20411] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20412 attached => {parent_tid=[20412]}, 88) = 20412 [pid 20412] set_robust_list(0x7f5486a549a0, 24 [pid 20411] rt_sigprocmask(SIG_SETMASK, [], [pid 20412] <... set_robust_list resumed>) = 0 [pid 20411] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20412] rt_sigprocmask(SIG_SETMASK, [], [pid 20411] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20412] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20411] <... futex resumed>) = 0 [pid 20411] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20412] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20412] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20412] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20411] <... futex resumed>) = 0 [pid 20411] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20412] <... futex resumed>) = 0 [pid 20411] <... futex resumed>) = 1 [pid 20412] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20411] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20412] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20412] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20411] <... futex resumed>) = 0 [pid 20412] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20411] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20412] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20411] <... futex resumed>) = 0 [pid 20412] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20411] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20412] <... futex resumed>) = 0 [pid 20411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20412] write(-1, "0x0000000000000001", 18 [pid 20411] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20412] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20411] <... futex resumed>) = 0 [pid 20412] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20411] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20412] <... futex resumed>) = 0 [pid 20411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20412] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20411] exit_group(0 [pid 20412] <... futex resumed>) = ? [pid 20411] <... exit_group resumed>) = ? [pid 20412] +++ exited with 0 +++ [pid 20411] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20411, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20413 ./strace-static-x86_64: Process 20413 attached [pid 20413] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20413] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20413] setpgid(0, 0) = 0 [pid 20413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20413] write(3, "1000", 4) = 4 [pid 20413] close(3) = 0 [pid 20413] write(1, "executing program\n", 18executing program ) = 18 [pid 20413] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20413] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20413] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20413] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20413] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20413] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20413] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20414 attached => {parent_tid=[20414]}, 88) = 20414 [pid 20414] set_robust_list(0x7f5486a549a0, 24 [pid 20413] rt_sigprocmask(SIG_SETMASK, [], [pid 20414] <... set_robust_list resumed>) = 0 [pid 20413] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20414] rt_sigprocmask(SIG_SETMASK, [], [pid 20413] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20414] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20413] <... futex resumed>) = 0 [pid 20414] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20413] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20414] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20414] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20413] <... futex resumed>) = 0 [pid 20414] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20413] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20414] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20413] <... futex resumed>) = 0 [pid 20414] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20413] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20414] <... futex resumed>) = 0 [pid 20413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20414] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20413] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20414] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20413] <... futex resumed>) = 0 [pid 20414] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20413] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20414] <... futex resumed>) = 0 [pid 20413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20414] write(-1, "0x0000000000000001", 18 [pid 20413] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20414] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20413] <... futex resumed>) = 0 [pid 20414] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20413] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20414] <... futex resumed>) = 0 [pid 20413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20414] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20413] exit_group(0 [pid 20414] <... futex resumed>) = ? [pid 20413] <... exit_group resumed>) = ? [pid 20414] +++ exited with 0 +++ [pid 20413] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20413, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20415 attached , child_tidptr=0x55557e841690) = 20415 [pid 20415] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20415] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20415] setpgid(0, 0) = 0 [pid 20415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20415] write(3, "1000", 4) = 4 [pid 20415] close(3) = 0 executing program [pid 20415] write(1, "executing program\n", 18) = 18 [pid 20415] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20415] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20415] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20415] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20415] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20415] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20415] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20416]}, 88) = 20416 [pid 20415] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20415] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20415] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20416 attached [pid 20416] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20416] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20416] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20416] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20415] <... futex resumed>) = 0 [pid 20415] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20415] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20416] <... futex resumed>) = 1 [pid 20416] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20416] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20415] <... futex resumed>) = 0 [pid 20415] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20415] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20416] <... futex resumed>) = 1 [pid 20416] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20416] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20415] <... futex resumed>) = 0 [pid 20415] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20415] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20416] <... futex resumed>) = 1 [pid 20416] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20416] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20415] <... futex resumed>) = 0 [pid 20415] exit_group(0) = ? [pid 20416] <... futex resumed>) = ? [pid 20416] +++ exited with 0 +++ [pid 20415] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20415, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20417 attached , child_tidptr=0x55557e841690) = 20417 [pid 20417] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20417] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20417] setpgid(0, 0) = 0 [pid 20417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20417] write(3, "1000", 4) = 4 executing program [pid 20417] close(3) = 0 [pid 20417] write(1, "executing program\n", 18) = 18 [pid 20417] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20417] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20417] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20417] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20417] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20417] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20417] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20418]}, 88) = 20418 [pid 20417] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20417] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20417] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20418 attached [pid 20418] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20418] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20418] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20418] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20417] <... futex resumed>) = 0 [pid 20417] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20417] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20418] <... futex resumed>) = 1 [pid 20418] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20418] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20417] <... futex resumed>) = 0 [pid 20417] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20417] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20418] <... futex resumed>) = 1 [pid 20418] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20418] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20417] <... futex resumed>) = 0 [pid 20417] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20417] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20418] <... futex resumed>) = 1 [pid 20418] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20418] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20417] <... futex resumed>) = 0 [pid 20417] exit_group(0) = ? [pid 20418] <... futex resumed>) = ? [pid 20418] +++ exited with 0 +++ [pid 20417] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20417, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20419 attached , child_tidptr=0x55557e841690) = 20419 [pid 20419] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20419] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20419] setpgid(0, 0) = 0 [pid 20419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20419] write(3, "1000", 4) = 4 [pid 20419] close(3) = 0 [pid 20419] write(1, "executing program\n", 18executing program ) = 18 [pid 20419] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20419] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20419] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20419] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20419] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20419] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20419] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20420]}, 88) = 20420 [pid 20419] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20419] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20419] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20420 attached [pid 20420] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20420] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20420] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20420] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20419] <... futex resumed>) = 0 [pid 20419] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20419] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20420] <... futex resumed>) = 1 [pid 20420] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20420] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20419] <... futex resumed>) = 0 [pid 20419] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20419] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20420] <... futex resumed>) = 1 [pid 20420] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20420] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20419] <... futex resumed>) = 0 [pid 20419] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20419] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20420] <... futex resumed>) = 1 [pid 20420] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20420] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20419] <... futex resumed>) = 0 [pid 20419] exit_group(0) = ? [pid 20420] <... futex resumed>) = ? [pid 20420] +++ exited with 0 +++ [pid 20419] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20419, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20421 attached , child_tidptr=0x55557e841690) = 20421 [pid 20421] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20421] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20421] setpgid(0, 0) = 0 [pid 20421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20421] write(3, "1000", 4executing program ) = 4 [pid 20421] close(3) = 0 [pid 20421] write(1, "executing program\n", 18) = 18 [pid 20421] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20421] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20421] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20421] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20421] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20421] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20421] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20422 attached [pid 20422] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20422] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20422] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20421] <... clone3 resumed> => {parent_tid=[20422]}, 88) = 20422 [pid 20421] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20421] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20422] <... futex resumed>) = 0 [pid 20422] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20421] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20422] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20422] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20422] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20421] <... futex resumed>) = 0 [pid 20421] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20422] <... futex resumed>) = 0 [pid 20422] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20421] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20422] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20421] <... futex resumed>) = 0 [pid 20421] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20421] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20422] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20422] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20421] <... futex resumed>) = 0 [pid 20421] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20421] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20422] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20422] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20421] <... futex resumed>) = 0 [pid 20421] exit_group(0) = ? [pid 20422] +++ exited with 0 +++ [pid 20421] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20421, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20423 ./strace-static-x86_64: Process 20423 attached [pid 20423] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20423] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20423] setpgid(0, 0) = 0 [pid 20423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20423] write(3, "1000", 4) = 4 [pid 20423] close(3executing program ) = 0 [pid 20423] write(1, "executing program\n", 18) = 18 [pid 20423] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20423] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20423] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20423] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20423] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20423] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20423] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20424 attached => {parent_tid=[20424]}, 88) = 20424 [pid 20423] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20423] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20423] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20424] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20424] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20424] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20424] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20423] <... futex resumed>) = 0 [pid 20423] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20423] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20424] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20424] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20423] <... futex resumed>) = 0 [pid 20423] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20423] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20424] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20424] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20423] <... futex resumed>) = 0 [pid 20423] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20423] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20424] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20424] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20423] <... futex resumed>) = 0 [pid 20423] exit_group(0) = ? [pid 20424] +++ exited with 0 +++ [pid 20423] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20423, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20425 attached , child_tidptr=0x55557e841690) = 20425 [pid 20425] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20425] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20425] setpgid(0, 0) = 0 [pid 20425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20425] write(3, "1000", 4) = 4 [pid 20425] close(3) = 0 [pid 20425] write(1, "executing program\n", 18executing program ) = 18 [pid 20425] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20425] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20425] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20425] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20425] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20425] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20425] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20426 attached => {parent_tid=[20426]}, 88) = 20426 [pid 20425] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20425] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20425] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20426] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20426] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20426] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20426] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20425] <... futex resumed>) = 0 [pid 20425] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20425] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20426] <... futex resumed>) = 1 [pid 20426] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20426] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20425] <... futex resumed>) = 0 [pid 20425] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20425] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20426] <... futex resumed>) = 1 [pid 20426] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20426] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20425] <... futex resumed>) = 0 [pid 20425] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20426] <... futex resumed>) = 1 [pid 20425] <... futex resumed>) = 0 [pid 20426] write(-1, "0x0000000000000001", 18 [pid 20425] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20426] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20426] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20425] <... futex resumed>) = 0 [pid 20426] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20425] exit_group(0 [pid 20426] <... futex resumed>) = ? [pid 20425] <... exit_group resumed>) = ? [pid 20426] +++ exited with 0 +++ [pid 20425] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20425, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20427 attached [pid 20427] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20427] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20427] setpgid(0, 0) = 0 [pid 20427] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 20427 [pid 20427] <... openat resumed>) = 3 [pid 20427] write(3, "1000", 4) = 4 [pid 20427] close(3executing program ) = 0 [pid 20427] write(1, "executing program\n", 18) = 18 [pid 20427] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20427] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20427] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20427] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20427] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20427] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20427] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20428 attached => {parent_tid=[20428]}, 88) = 20428 [pid 20427] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20427] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20427] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20428] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20428] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20428] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20428] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20427] <... futex resumed>) = 0 [pid 20428] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20427] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20428] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20427] <... futex resumed>) = 0 [pid 20428] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20427] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20428] <... futex resumed>) = 0 [pid 20427] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20428] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20427] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20428] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20427] <... futex resumed>) = 0 [pid 20428] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20427] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20428] <... futex resumed>) = 0 [pid 20427] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20428] write(-1, "0x0000000000000001", 18 [pid 20427] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20428] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20427] <... futex resumed>) = 0 [pid 20428] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20427] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20428] <... futex resumed>) = 0 [pid 20427] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20428] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20427] exit_group(0 [pid 20428] <... futex resumed>) = ? [pid 20427] <... exit_group resumed>) = ? [pid 20428] +++ exited with 0 +++ [pid 20427] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20427, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20429 ./strace-static-x86_64: Process 20429 attached [pid 20429] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20429] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20429] setpgid(0, 0) = 0 [pid 20429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20429] write(3, "1000", 4) = 4 [pid 20429] close(3executing program ) = 0 [pid 20429] write(1, "executing program\n", 18) = 18 [pid 20429] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20429] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20429] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20429] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20429] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20429] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20429] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20430]}, 88) = 20430 ./strace-static-x86_64: Process 20430 attached [pid 20429] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20429] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20429] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20430] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20430] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20430] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20430] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20429] <... futex resumed>) = 0 [pid 20429] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20429] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20430] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20430] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20429] <... futex resumed>) = 0 [pid 20429] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20429] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20430] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20430] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20429] <... futex resumed>) = 0 [pid 20429] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20429] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20430] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20430] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20429] <... futex resumed>) = 0 [pid 20429] exit_group(0) = ? [pid 20430] +++ exited with 0 +++ [pid 20429] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20429, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20431 ./strace-static-x86_64: Process 20431 attached [pid 20431] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20431] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20431] setpgid(0, 0) = 0 [pid 20431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20431] write(3, "1000", 4) = 4 [pid 20431] close(3) = 0 [pid 20431] write(1, "executing program\n", 18executing program ) = 18 [pid 20431] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20431] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20431] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20431] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20431] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20431] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20431] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20432 attached => {parent_tid=[20432]}, 88) = 20432 [pid 20432] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20432] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20432] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20431] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20431] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20432] <... futex resumed>) = 0 [pid 20432] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20431] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20432] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20432] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20431] <... futex resumed>) = 0 [pid 20431] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20431] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20432] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20432] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20431] <... futex resumed>) = 0 [pid 20431] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20431] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20432] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20432] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20431] <... futex resumed>) = 0 [pid 20431] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20431] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20432] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20432] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20431] <... futex resumed>) = 0 [pid 20431] exit_group(0) = ? [pid 20432] +++ exited with 0 +++ [pid 20431] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20431, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20433 attached [pid 20433] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20433] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20433] setpgid(0, 0) = 0 [pid 20433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20433] write(3, "1000", 4) = 4 [pid 20433] close(3) = 0 executing program [pid 20433] write(1, "executing program\n", 18) = 18 [pid 20433] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20433] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20433] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20433] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20433] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20433] rt_sigprocmask(SIG_BLOCK, ~[], [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 20433 [pid 20433] <... rt_sigprocmask resumed>[], 8) = 0 [pid 20433] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20434]}, 88) = 20434 [pid 20433] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20433] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20433] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20434 attached [pid 20434] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20434] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20434] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20434] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20434] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20433] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20433] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20434] <... futex resumed>) = 0 [pid 20434] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20433] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20434] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20433] <... futex resumed>) = 0 [pid 20433] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20433] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20434] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20434] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20433] <... futex resumed>) = 0 [pid 20433] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20433] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20434] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20434] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20433] <... futex resumed>) = 0 [pid 20433] exit_group(0) = ? [pid 20434] +++ exited with 0 +++ [pid 20433] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20433, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20435 ./strace-static-x86_64: Process 20435 attached [pid 20435] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20435] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20435] setpgid(0, 0) = 0 [pid 20435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20435] write(3, "1000", 4) = 4 [pid 20435] close(3) = 0 [pid 20435] write(1, "executing program\n", 18executing program ) = 18 [pid 20435] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20435] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20435] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20435] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20435] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20435] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20435] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20436]}, 88) = 20436 ./strace-static-x86_64: Process 20436 attached [pid 20435] rt_sigprocmask(SIG_SETMASK, [], [pid 20436] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20436] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20436] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20435] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20435] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20436] <... futex resumed>) = 0 [pid 20436] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20435] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20436] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20436] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20435] <... futex resumed>) = 0 [pid 20435] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20435] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20436] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20436] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20435] <... futex resumed>) = 0 [pid 20435] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20435] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20436] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20436] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20435] <... futex resumed>) = 0 [pid 20435] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20435] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20436] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20436] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20435] <... futex resumed>) = 0 [pid 20436] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20435] exit_group(0 [pid 20436] <... futex resumed>) = ? [pid 20435] <... exit_group resumed>) = ? [pid 20436] +++ exited with 0 +++ [pid 20435] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20435, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20437 attached , child_tidptr=0x55557e841690) = 20437 [pid 20437] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20437] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20437] setpgid(0, 0) = 0 [pid 20437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20437] write(3, "1000", 4) = 4 [pid 20437] close(3) = 0 [pid 20437] write(1, "executing program\n", 18executing program ) = 18 [pid 20437] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20437] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20437] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20437] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20437] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20437] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20437] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20438 attached => {parent_tid=[20438]}, 88) = 20438 [pid 20437] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20437] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20437] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20438] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20438] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20438] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20438] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20437] <... futex resumed>) = 0 [pid 20437] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20437] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20438] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20438] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20437] <... futex resumed>) = 0 [pid 20437] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20437] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20438] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20438] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20437] <... futex resumed>) = 0 [pid 20437] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20437] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20438] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20438] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20437] <... futex resumed>) = 0 [pid 20437] exit_group(0) = ? [pid 20438] +++ exited with 0 +++ [pid 20437] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20437, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20439 attached , child_tidptr=0x55557e841690) = 20439 [pid 20439] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20439] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20439] setpgid(0, 0) = 0 [pid 20439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20439] write(3, "1000", 4) = 4 [pid 20439] close(3) = 0 [pid 20439] write(1, "executing program\n", 18executing program ) = 18 [pid 20439] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20439] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20439] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20439] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20439] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20439] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20439] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20440]}, 88) = 20440 [pid 20439] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20439] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20439] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20440 attached [pid 20440] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20440] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20440] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20440] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20439] <... futex resumed>) = 0 [pid 20439] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20439] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20440] <... futex resumed>) = 1 [pid 20440] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20440] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20439] <... futex resumed>) = 0 [pid 20439] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20439] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20440] <... futex resumed>) = 1 [pid 20440] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20440] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20439] <... futex resumed>) = 0 [pid 20439] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20439] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20440] <... futex resumed>) = 1 [pid 20440] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20440] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20439] <... futex resumed>) = 0 [pid 20439] exit_group(0) = ? [pid 20440] <... futex resumed>) = ? [pid 20440] +++ exited with 0 +++ [pid 20439] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20439, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20441 ./strace-static-x86_64: Process 20441 attached [pid 20441] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20441] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20441] setpgid(0, 0) = 0 [pid 20441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20441] write(3, "1000", 4) = 4 [pid 20441] close(3executing program ) = 0 [pid 20441] write(1, "executing program\n", 18) = 18 [pid 20441] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20441] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20441] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20441] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20441] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20441] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20441] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20442]}, 88) = 20442 ./strace-static-x86_64: Process 20442 attached [pid 20441] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20441] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20441] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20442] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20442] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20442] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20442] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20441] <... futex resumed>) = 0 [pid 20441] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20441] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20442] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20442] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20441] <... futex resumed>) = 0 [pid 20441] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20441] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20442] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20442] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20441] <... futex resumed>) = 0 [pid 20441] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20441] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20442] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20442] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20441] <... futex resumed>) = 0 [pid 20441] exit_group(0) = ? [pid 20442] +++ exited with 0 +++ [pid 20441] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20441, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20443 ./strace-static-x86_64: Process 20443 attached [pid 20443] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20443] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20443] setpgid(0, 0) = 0 [pid 20443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20443] write(3, "1000", 4) = 4 executing program [pid 20443] close(3) = 0 [pid 20443] write(1, "executing program\n", 18) = 18 [pid 20443] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20443] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20443] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20443] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20443] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20443] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20443] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20444]}, 88) = 20444 ./strace-static-x86_64: Process 20444 attached [pid 20443] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20443] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20443] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20444] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20444] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20444] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20444] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20443] <... futex resumed>) = 0 [pid 20443] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20443] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20444] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20444] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20443] <... futex resumed>) = 0 [pid 20443] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20443] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20444] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20444] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20443] <... futex resumed>) = 0 [pid 20443] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20443] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20444] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20444] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20443] <... futex resumed>) = 0 [pid 20443] exit_group(0) = ? [pid 20444] +++ exited with 0 +++ [pid 20443] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20443, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20445 ./strace-static-x86_64: Process 20445 attached [pid 20445] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20445] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20445] setpgid(0, 0) = 0 [pid 20445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20445] write(3, "1000", 4) = 4 [pid 20445] close(3executing program ) = 0 [pid 20445] write(1, "executing program\n", 18) = 18 [pid 20445] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20445] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20445] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20445] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20445] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20445] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20445] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20446 attached => {parent_tid=[20446]}, 88) = 20446 [pid 20446] set_robust_list(0x7f5486a549a0, 24 [pid 20445] rt_sigprocmask(SIG_SETMASK, [], [pid 20446] <... set_robust_list resumed>) = 0 [pid 20445] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20446] rt_sigprocmask(SIG_SETMASK, [], [pid 20445] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20446] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20446] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20445] <... futex resumed>) = 0 [pid 20446] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20445] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 20445] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20445] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20446] <... futex resumed>) = 1 [pid 20445] <... futex resumed>) = 0 [pid 20445] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20446] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20446] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20446] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20445] <... futex resumed>) = 0 [pid 20445] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20445] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20446] <... futex resumed>) = 0 [pid 20446] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20446] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20445] <... futex resumed>) = 0 [pid 20445] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20445] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20446] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20446] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20445] <... futex resumed>) = 0 [pid 20445] exit_group(0) = ? [pid 20446] +++ exited with 0 +++ [pid 20445] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20445, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20447 ./strace-static-x86_64: Process 20447 attached [pid 20447] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20447] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20447] setpgid(0, 0) = 0 [pid 20447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20447] write(3, "1000", 4) = 4 [pid 20447] close(3) = 0 executing program [pid 20447] write(1, "executing program\n", 18) = 18 [pid 20447] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20447] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20447] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20447] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20447] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20447] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20447] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20448]}, 88) = 20448 ./strace-static-x86_64: Process 20448 attached [pid 20447] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20447] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20447] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20448] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20448] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20448] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20448] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20447] <... futex resumed>) = 0 [pid 20447] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20447] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20448] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20448] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20447] <... futex resumed>) = 0 [pid 20447] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20447] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20448] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20448] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20447] <... futex resumed>) = 0 [pid 20447] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20447] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20448] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20448] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20447] <... futex resumed>) = 0 [pid 20447] exit_group(0) = ? [pid 20448] +++ exited with 0 +++ [pid 20447] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20447, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20449 attached , child_tidptr=0x55557e841690) = 20449 [pid 20449] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20449] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20449] setpgid(0, 0) = 0 [pid 20449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20449] write(3, "1000", 4) = 4 executing program [pid 20449] close(3) = 0 [pid 20449] write(1, "executing program\n", 18) = 18 [pid 20449] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20449] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20449] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20449] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20449] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20449] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20449] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20450 attached => {parent_tid=[20450]}, 88) = 20450 [pid 20450] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20450] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20450] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20449] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20449] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20450] <... futex resumed>) = 0 [pid 20450] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20449] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20450] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20450] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20449] <... futex resumed>) = 0 [pid 20449] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20449] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20450] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20450] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20450] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20449] <... futex resumed>) = 0 [pid 20449] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20449] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20450] <... futex resumed>) = 0 [pid 20450] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20450] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20449] <... futex resumed>) = 0 [pid 20449] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20449] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20450] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20450] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20449] <... futex resumed>) = 0 [pid 20449] exit_group(0) = ? [pid 20450] +++ exited with 0 +++ [pid 20449] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20449, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20451 ./strace-static-x86_64: Process 20451 attached [pid 20451] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20451] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20451] setpgid(0, 0) = 0 [pid 20451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20451] write(3, "1000", 4) = 4 [pid 20451] close(3) = 0 [pid 20451] write(1, "executing program\n", 18executing program ) = 18 [pid 20451] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20451] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20451] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20451] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20451] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20451] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20451] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20452]}, 88) = 20452 ./strace-static-x86_64: Process 20452 attached [pid 20451] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20451] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20451] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20452] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20452] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20452] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20452] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20451] <... futex resumed>) = 0 [pid 20451] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20452] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20452] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20452] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20451] <... futex resumed>) = 1 [pid 20451] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 20451] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20451] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20452] <... futex resumed>) = 0 [pid 20452] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20452] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20451] <... futex resumed>) = 0 [pid 20451] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20451] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20452] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20452] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20451] <... futex resumed>) = 0 [pid 20451] exit_group(0) = ? [pid 20452] +++ exited with 0 +++ [pid 20451] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20451, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20454 ./strace-static-x86_64: Process 20454 attached [pid 20454] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20454] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20454] setpgid(0, 0) = 0 [pid 20454] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20454] write(3, "1000", 4) = 4 [pid 20454] close(3) = 0 [pid 20454] write(1, "executing program\n", 18executing program ) = 18 [pid 20454] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20454] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20454] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20454] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20454] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20454] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20454] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20455]}, 88) = 20455 ./strace-static-x86_64: Process 20455 attached [pid 20454] rt_sigprocmask(SIG_SETMASK, [], [pid 20455] set_robust_list(0x7f5486a549a0, 24 [pid 20454] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20455] <... set_robust_list resumed>) = 0 [pid 20455] rt_sigprocmask(SIG_SETMASK, [], [pid 20454] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20455] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20454] <... futex resumed>) = 0 [pid 20455] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20454] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20455] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20455] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20454] <... futex resumed>) = 0 [pid 20454] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20454] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20455] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20455] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20454] <... futex resumed>) = 0 [pid 20454] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20454] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20455] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20455] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20454] <... futex resumed>) = 0 [pid 20454] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20454] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20455] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20455] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20454] <... futex resumed>) = 0 [pid 20454] exit_group(0) = ? [pid 20455] +++ exited with 0 +++ [pid 20454] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20454, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20456 ./strace-static-x86_64: Process 20456 attached [pid 20456] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20456] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20456] setpgid(0, 0) = 0 [pid 20456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20456] write(3, "1000", 4) = 4 [pid 20456] close(3executing program ) = 0 [pid 20456] write(1, "executing program\n", 18) = 18 [pid 20456] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20456] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20456] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20456] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20456] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20456] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20456] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20457 attached => {parent_tid=[20457]}, 88) = 20457 [pid 20456] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20456] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20456] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20457] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20457] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20457] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20457] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20456] <... futex resumed>) = 0 [pid 20456] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20456] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20457] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20457] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20456] <... futex resumed>) = 0 [pid 20456] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20456] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20457] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20457] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20456] <... futex resumed>) = 0 [pid 20456] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20456] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20457] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20457] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20456] <... futex resumed>) = 0 [pid 20456] exit_group(0) = ? [pid 20457] +++ exited with 0 +++ [pid 20456] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20456, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20458 ./strace-static-x86_64: Process 20458 attached [pid 20458] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20458] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20458] setpgid(0, 0) = 0 [pid 20458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20458] write(3, "1000", 4) = 4 executing program [pid 20458] close(3) = 0 [pid 20458] write(1, "executing program\n", 18) = 18 [pid 20458] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20458] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20458] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20458] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20458] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20458] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20458] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20459]}, 88) = 20459 ./strace-static-x86_64: Process 20459 attached [pid 20459] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20459] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20459] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20458] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20458] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20459] <... futex resumed>) = 0 [pid 20459] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20458] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20459] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20459] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20458] <... futex resumed>) = 0 [pid 20458] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20459] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20458] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20459] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20459] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20458] <... futex resumed>) = 0 [pid 20458] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20458] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20459] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20459] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20458] <... futex resumed>) = 0 [pid 20458] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20458] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20459] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20459] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20458] <... futex resumed>) = 0 [pid 20458] exit_group(0) = ? [pid 20459] +++ exited with 0 +++ [pid 20458] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20458, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20460 ./strace-static-x86_64: Process 20460 attached [pid 20460] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20460] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20460] setpgid(0, 0) = 0 [pid 20460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20460] write(3, "1000", 4) = 4 [pid 20460] close(3) = 0 executing program [pid 20460] write(1, "executing program\n", 18) = 18 [pid 20460] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20460] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20460] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20460] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20460] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20460] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20460] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20461 attached => {parent_tid=[20461]}, 88) = 20461 [pid 20461] set_robust_list(0x7f5486a549a0, 24 [pid 20460] rt_sigprocmask(SIG_SETMASK, [], [pid 20461] <... set_robust_list resumed>) = 0 [pid 20460] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20461] rt_sigprocmask(SIG_SETMASK, [], [pid 20460] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20461] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20460] <... futex resumed>) = 0 [pid 20460] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20461] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20461] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20460] <... futex resumed>) = 0 [pid 20461] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20460] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20461] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20460] <... futex resumed>) = 0 [pid 20461] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20460] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20461] <... futex resumed>) = 0 [pid 20460] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20461] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20460] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20461] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20460] <... futex resumed>) = 0 [pid 20461] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20460] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20461] <... futex resumed>) = 0 [pid 20460] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20461] write(-1, "0x0000000000000001", 18 [pid 20460] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20461] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20460] <... futex resumed>) = 0 [pid 20461] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20460] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20461] <... futex resumed>) = 0 [pid 20460] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20461] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20460] exit_group(0 [pid 20461] <... futex resumed>) = ? [pid 20460] <... exit_group resumed>) = ? [pid 20461] +++ exited with 0 +++ [pid 20460] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20460, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20462 attached , child_tidptr=0x55557e841690) = 20462 [pid 20462] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20462] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20462] setpgid(0, 0) = 0 [pid 20462] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20462] write(3, "1000", 4) = 4 [pid 20462] close(3) = 0 [pid 20462] write(1, "executing program\n", 18executing program ) = 18 [pid 20462] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20462] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20462] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20462] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20462] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20462] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20462] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20463]}, 88) = 20463 [pid 20462] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20462] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20462] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20463 attached [pid 20463] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20463] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20463] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20463] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20462] <... futex resumed>) = 0 [pid 20462] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20462] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20463] <... futex resumed>) = 1 [pid 20463] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20463] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20462] <... futex resumed>) = 0 [pid 20462] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20462] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20463] <... futex resumed>) = 1 [pid 20463] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20463] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20462] <... futex resumed>) = 0 [pid 20462] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20462] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20463] <... futex resumed>) = 1 [pid 20463] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20463] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20462] <... futex resumed>) = 0 [pid 20462] exit_group(0) = ? [pid 20463] <... futex resumed>) = ? [pid 20463] +++ exited with 0 +++ [pid 20462] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20462, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20464 attached , child_tidptr=0x55557e841690) = 20464 [pid 20464] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20464] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20464] setpgid(0, 0) = 0 [pid 20464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 20464] write(3, "1000", 4) = 4 [pid 20464] close(3) = 0 [pid 20464] write(1, "executing program\n", 18) = 18 [pid 20464] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20464] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20464] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20464] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20464] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20464] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20464] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20465]}, 88) = 20465 [pid 20464] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20464] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20464] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20465 attached [pid 20465] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20465] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20465] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20465] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20464] <... futex resumed>) = 0 [pid 20464] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20464] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20465] <... futex resumed>) = 1 [pid 20465] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20465] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20464] <... futex resumed>) = 0 [pid 20464] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20464] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20465] <... futex resumed>) = 1 [pid 20465] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20465] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20464] <... futex resumed>) = 0 [pid 20464] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20464] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20465] <... futex resumed>) = 1 [pid 20465] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20465] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20464] <... futex resumed>) = 0 [pid 20464] exit_group(0) = ? [pid 20465] <... futex resumed>) = ? [pid 20465] +++ exited with 0 +++ [pid 20464] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20464, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20466 ./strace-static-x86_64: Process 20466 attached [pid 20466] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20466] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20466] setpgid(0, 0) = 0 [pid 20466] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20466] write(3, "1000", 4) = 4 [pid 20466] close(3executing program ) = 0 [pid 20466] write(1, "executing program\n", 18) = 18 [pid 20466] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20466] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20466] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20466] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20466] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20466] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20466] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20467]}, 88) = 20467 [pid 20466] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20466] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20466] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20467 attached [pid 20467] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20467] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20467] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20467] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20466] <... futex resumed>) = 0 [pid 20466] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20466] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20467] <... futex resumed>) = 1 [pid 20467] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20467] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20466] <... futex resumed>) = 0 [pid 20466] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20466] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20467] <... futex resumed>) = 1 [pid 20467] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20467] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20466] <... futex resumed>) = 0 [pid 20466] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20466] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20467] <... futex resumed>) = 1 [pid 20467] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20467] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20466] <... futex resumed>) = 0 [pid 20466] exit_group(0) = ? [pid 20467] <... futex resumed>) = ? [pid 20467] +++ exited with 0 +++ [pid 20466] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20466, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20468 ./strace-static-x86_64: Process 20468 attached [pid 20468] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20468] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20468] setpgid(0, 0) = 0 [pid 20468] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20468] write(3, "1000", 4) = 4 [pid 20468] close(3) = 0 [pid 20468] write(1, "executing program\n", 18executing program ) = 18 [pid 20468] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20468] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20468] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20468] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20468] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20468] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20468] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20469 attached => {parent_tid=[20469]}, 88) = 20469 [pid 20468] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20468] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20468] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20469] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20469] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20469] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20469] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20468] <... futex resumed>) = 0 [pid 20468] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20468] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20469] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20469] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20468] <... futex resumed>) = 0 [pid 20468] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20468] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20469] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20469] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20468] <... futex resumed>) = 0 [pid 20468] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20468] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20469] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20469] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20468] <... futex resumed>) = 0 [pid 20468] exit_group(0) = ? [pid 20469] +++ exited with 0 +++ [pid 20468] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20468, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20470 attached [pid 20470] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20470] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20470] setpgid(0, 0) = 0 [pid 20470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20470] write(3, "1000", 4) = 4 [pid 20470] close(3) = 0 [pid 20470] write(1, "executing program\n", 18executing program ) = 18 [pid 20470] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20470] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 20470 [pid 20470] <... rt_sigaction resumed>NULL, 8) = 0 [pid 20470] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20470] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20470] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20470] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20470] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20471 attached => {parent_tid=[20471]}, 88) = 20471 [pid 20471] set_robust_list(0x7f5486a549a0, 24 [pid 20470] rt_sigprocmask(SIG_SETMASK, [], [pid 20471] <... set_robust_list resumed>) = 0 [pid 20470] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20471] rt_sigprocmask(SIG_SETMASK, [], [pid 20470] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20471] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20470] <... futex resumed>) = 0 [pid 20471] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20470] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20471] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20471] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20470] <... futex resumed>) = 0 [pid 20470] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20470] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20471] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20471] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20470] <... futex resumed>) = 0 [pid 20470] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20470] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20471] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20471] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20470] <... futex resumed>) = 0 [pid 20470] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20470] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20471] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20471] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20470] <... futex resumed>) = 0 [pid 20470] exit_group(0) = ? [pid 20471] +++ exited with 0 +++ [pid 20470] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20470, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20472 attached , child_tidptr=0x55557e841690) = 20472 [pid 20472] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20472] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20472] setpgid(0, 0) = 0 [pid 20472] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20472] write(3, "1000", 4) = 4 [pid 20472] close(3) = 0 executing program [pid 20472] write(1, "executing program\n", 18) = 18 [pid 20472] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20472] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20472] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20472] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20472] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20472] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20472] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20473 attached => {parent_tid=[20473]}, 88) = 20473 [pid 20472] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20472] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20472] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20473] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20473] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20473] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20473] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20472] <... futex resumed>) = 0 [pid 20472] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20472] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20473] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20473] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20472] <... futex resumed>) = 0 [pid 20472] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20472] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20473] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20473] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20472] <... futex resumed>) = 0 [pid 20472] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20472] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20473] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20473] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20472] <... futex resumed>) = 0 [pid 20472] exit_group(0) = ? [pid 20473] +++ exited with 0 +++ [pid 20472] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20472, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20474 attached , child_tidptr=0x55557e841690) = 20474 [pid 20474] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20474] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20474] setpgid(0, 0) = 0 [pid 20474] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20474] write(3, "1000", 4) = 4 [pid 20474] close(3) = 0 executing program [pid 20474] write(1, "executing program\n", 18) = 18 [pid 20474] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20474] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20474] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20474] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20474] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20474] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20474] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20475 attached => {parent_tid=[20475]}, 88) = 20475 [pid 20474] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20474] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20474] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20475] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20475] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20475] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20475] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20474] <... futex resumed>) = 0 [pid 20475] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20474] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20475] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20474] <... futex resumed>) = 0 [pid 20475] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20474] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20475] <... futex resumed>) = 0 [pid 20474] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20475] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20474] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20475] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20474] <... futex resumed>) = 0 [pid 20475] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20474] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20475] <... futex resumed>) = 0 [pid 20474] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20475] write(-1, "0x0000000000000001", 18 [pid 20474] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20475] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20474] <... futex resumed>) = 0 [pid 20475] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20474] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20475] <... futex resumed>) = 0 [pid 20474] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20475] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20474] exit_group(0 [pid 20475] <... futex resumed>) = ? [pid 20474] <... exit_group resumed>) = ? [pid 20475] +++ exited with 0 +++ [pid 20474] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20474, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20476 ./strace-static-x86_64: Process 20476 attached [pid 20476] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20476] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20476] setpgid(0, 0) = 0 [pid 20476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20476] write(3, "1000", 4) = 4 [pid 20476] close(3executing program ) = 0 [pid 20476] write(1, "executing program\n", 18) = 18 [pid 20476] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20476] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20476] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20476] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20476] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20476] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20476] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20477 attached => {parent_tid=[20477]}, 88) = 20477 [pid 20476] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20476] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20476] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20477] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20477] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20477] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20477] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20476] <... futex resumed>) = 0 [pid 20477] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20476] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20477] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20476] <... futex resumed>) = 0 [pid 20477] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20476] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20477] <... futex resumed>) = 0 [pid 20476] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20477] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20476] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20477] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20476] <... futex resumed>) = 0 [pid 20477] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20476] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20477] <... futex resumed>) = 0 [pid 20476] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20477] write(-1, "0x0000000000000001", 18 [pid 20476] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20477] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20476] <... futex resumed>) = 0 [pid 20477] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20476] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20477] <... futex resumed>) = 0 [pid 20476] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20477] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20476] exit_group(0 [pid 20477] <... futex resumed>) = ? [pid 20476] <... exit_group resumed>) = ? [pid 20477] +++ exited with 0 +++ [pid 20476] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20476, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20478 ./strace-static-x86_64: Process 20478 attached [pid 20478] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20478] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20478] setpgid(0, 0) = 0 [pid 20478] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20478] write(3, "1000", 4) = 4 [pid 20478] close(3) = 0 executing program [pid 20478] write(1, "executing program\n", 18) = 18 [pid 20478] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20478] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20478] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20478] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20478] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20478] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20478] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20479 attached => {parent_tid=[20479]}, 88) = 20479 [pid 20478] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20478] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20478] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20479] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20479] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20479] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20479] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20478] <... futex resumed>) = 0 [pid 20479] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20478] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20479] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20478] <... futex resumed>) = 0 [pid 20479] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20478] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20479] <... futex resumed>) = 0 [pid 20478] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20479] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20478] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20479] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20478] <... futex resumed>) = 0 [pid 20479] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20478] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20479] <... futex resumed>) = 0 [pid 20478] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20479] write(-1, "0x0000000000000001", 18 [pid 20478] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20478] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20479] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20479] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20478] <... futex resumed>) = 0 [pid 20479] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20478] exit_group(0 [pid 20479] <... futex resumed>) = ? [pid 20478] <... exit_group resumed>) = ? [pid 20479] +++ exited with 0 +++ [pid 20478] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20478, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20480 ./strace-static-x86_64: Process 20480 attached [pid 20480] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20480] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20480] setpgid(0, 0) = 0 [pid 20480] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20480] write(3, "1000", 4) = 4 [pid 20480] close(3) = 0 executing program [pid 20480] write(1, "executing program\n", 18) = 18 [pid 20480] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20480] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20480] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20480] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20480] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20480] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20480] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20481 attached => {parent_tid=[20481]}, 88) = 20481 [pid 20480] rt_sigprocmask(SIG_SETMASK, [], [pid 20481] set_robust_list(0x7f5486a549a0, 24 [pid 20480] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20481] <... set_robust_list resumed>) = 0 [pid 20481] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20481] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20480] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20481] <... futex resumed>) = 0 [pid 20480] <... futex resumed>) = 1 [pid 20480] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20481] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20481] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20481] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20480] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20481] <... futex resumed>) = 0 [pid 20480] <... futex resumed>) = 1 [pid 20481] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20480] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20481] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20481] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20480] <... futex resumed>) = 0 [pid 20481] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20480] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20480] <... futex resumed>) = 0 [pid 20481] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20480] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20481] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20481] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20480] <... futex resumed>) = 0 [pid 20481] write(-1, "0x0000000000000001", 18 [pid 20480] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20481] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20480] <... futex resumed>) = 0 [pid 20481] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20480] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20481] <... futex resumed>) = 0 [pid 20480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20481] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20480] exit_group(0 [pid 20481] <... futex resumed>) = ? [pid 20480] <... exit_group resumed>) = ? [pid 20481] +++ exited with 0 +++ [pid 20480] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20480, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20482 ./strace-static-x86_64: Process 20482 attached [pid 20482] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20482] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20482] setpgid(0, 0) = 0 [pid 20482] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20482] write(3, "1000", 4) = 4 [pid 20482] close(3executing program ) = 0 [pid 20482] write(1, "executing program\n", 18) = 18 [pid 20482] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20482] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20482] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20482] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20482] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20482] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20482] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20483 attached => {parent_tid=[20483]}, 88) = 20483 [pid 20482] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20482] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20482] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20483] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20483] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20483] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20483] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20482] <... futex resumed>) = 0 [pid 20483] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20482] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20483] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20482] <... futex resumed>) = 0 [pid 20483] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20482] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20483] <... futex resumed>) = 0 [pid 20482] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20483] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20482] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20483] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20482] <... futex resumed>) = 0 [pid 20483] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20482] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20483] <... futex resumed>) = 0 [pid 20482] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20483] write(-1, "0x0000000000000001", 18 [pid 20482] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20483] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20482] <... futex resumed>) = 0 [pid 20483] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20482] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20483] <... futex resumed>) = 0 [pid 20482] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20483] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20482] exit_group(0 [pid 20483] <... futex resumed>) = ? [pid 20482] <... exit_group resumed>) = ? [pid 20483] +++ exited with 0 +++ [pid 20482] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20482, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20484 ./strace-static-x86_64: Process 20484 attached [pid 20484] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20484] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20484] setpgid(0, 0) = 0 [pid 20484] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20484] write(3, "1000", 4) = 4 executing program [pid 20484] close(3) = 0 [pid 20484] write(1, "executing program\n", 18) = 18 [pid 20484] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20484] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20484] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20484] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20484] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20484] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20484] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20485]}, 88) = 20485 [pid 20484] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20484] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20484] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20485 attached [pid 20485] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20485] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20485] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20485] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20484] <... futex resumed>) = 0 [pid 20484] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20484] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20485] <... futex resumed>) = 1 [pid 20485] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20485] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20484] <... futex resumed>) = 0 [pid 20484] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20484] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20485] <... futex resumed>) = 1 [pid 20485] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20485] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20484] <... futex resumed>) = 0 [pid 20484] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20484] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20485] <... futex resumed>) = 1 [pid 20485] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20485] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20484] <... futex resumed>) = 0 [pid 20484] exit_group(0) = ? [pid 20485] <... futex resumed>) = ? [pid 20485] +++ exited with 0 +++ [pid 20484] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20484, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20486 ./strace-static-x86_64: Process 20486 attached [pid 20486] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20486] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20486] setpgid(0, 0) = 0 [pid 20486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20486] write(3, "1000", 4) = 4 [pid 20486] close(3executing program ) = 0 [pid 20486] write(1, "executing program\n", 18) = 18 [pid 20486] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20486] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20486] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20486] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20486] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20486] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20486] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20487 attached => {parent_tid=[20487]}, 88) = 20487 [pid 20487] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20487] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20487] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20486] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20486] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20487] <... futex resumed>) = 0 [pid 20487] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20486] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20487] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20487] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20487] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20486] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20486] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20486] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20487] <... futex resumed>) = 0 [pid 20487] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20487] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20486] <... futex resumed>) = 0 [pid 20486] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20486] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20487] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20487] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20486] <... futex resumed>) = 0 [pid 20486] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20486] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20487] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20487] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20486] <... futex resumed>) = 0 [pid 20486] exit_group(0) = ? [pid 20487] +++ exited with 0 +++ [pid 20486] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20486, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20488 attached , child_tidptr=0x55557e841690) = 20488 [pid 20488] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20488] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20488] setpgid(0, 0) = 0 [pid 20488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20488] write(3, "1000", 4executing program ) = 4 [pid 20488] close(3) = 0 [pid 20488] write(1, "executing program\n", 18) = 18 [pid 20488] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20488] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20488] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20488] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20488] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20488] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20488] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20489 attached => {parent_tid=[20489]}, 88) = 20489 [pid 20488] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20488] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20488] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20489] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20489] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20489] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20489] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20488] <... futex resumed>) = 0 [pid 20488] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20488] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20489] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20489] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20488] <... futex resumed>) = 0 [pid 20488] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20488] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20489] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20489] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20488] <... futex resumed>) = 0 [pid 20488] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20488] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20489] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20489] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20488] <... futex resumed>) = 0 [pid 20488] exit_group(0) = ? [pid 20489] +++ exited with 0 +++ [pid 20488] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20488, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20490 attached , child_tidptr=0x55557e841690) = 20490 [pid 20490] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20490] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20490] setpgid(0, 0) = 0 [pid 20490] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20490] write(3, "1000", 4) = 4 [pid 20490] close(3) = 0 [pid 20490] write(1, "executing program\n", 18executing program ) = 18 [pid 20490] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20490] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20490] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20490] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20490] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20490] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20490] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20491 attached [pid 20491] set_robust_list(0x7f5486a549a0, 24 [pid 20490] <... clone3 resumed> => {parent_tid=[20491]}, 88) = 20491 [pid 20490] rt_sigprocmask(SIG_SETMASK, [], [pid 20491] <... set_robust_list resumed>) = 0 [pid 20490] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20491] rt_sigprocmask(SIG_SETMASK, [], [pid 20490] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20491] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20490] <... futex resumed>) = 0 [pid 20491] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20490] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20491] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20491] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20490] <... futex resumed>) = 0 [pid 20490] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20490] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20491] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20491] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20490] <... futex resumed>) = 0 [pid 20490] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20490] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20491] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20491] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20490] <... futex resumed>) = 0 [pid 20490] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20490] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20491] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20491] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20490] <... futex resumed>) = 0 [pid 20490] exit_group(0) = ? [pid 20491] +++ exited with 0 +++ [pid 20490] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20490, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20492 ./strace-static-x86_64: Process 20492 attached [pid 20492] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20492] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20492] setpgid(0, 0) = 0 [pid 20492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20492] write(3, "1000", 4) = 4 [pid 20492] close(3) = 0 [pid 20492] write(1, "executing program\n", 18executing program ) = 18 [pid 20492] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20492] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20492] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20492] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20492] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20492] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20492] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20493 attached => {parent_tid=[20493]}, 88) = 20493 [pid 20492] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20492] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20492] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20493] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20493] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20493] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20493] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20492] <... futex resumed>) = 0 [pid 20492] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20492] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20493] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20493] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20492] <... futex resumed>) = 0 [pid 20492] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20492] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20493] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20493] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20492] <... futex resumed>) = 0 [pid 20492] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20492] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20493] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20493] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20492] <... futex resumed>) = 0 [pid 20492] exit_group(0) = ? [pid 20493] +++ exited with 0 +++ [pid 20492] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20492, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20494 ./strace-static-x86_64: Process 20494 attached [pid 20494] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20494] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20494] setpgid(0, 0) = 0 [pid 20494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20494] write(3, "1000", 4) = 4 [pid 20494] close(3) = 0 [pid 20494] write(1, "executing program\n", 18executing program ) = 18 [pid 20494] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20494] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20494] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20494] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20494] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20494] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20494] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20495]}, 88) = 20495 ./strace-static-x86_64: Process 20495 attached [pid 20494] rt_sigprocmask(SIG_SETMASK, [], [pid 20495] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20494] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20495] rt_sigprocmask(SIG_SETMASK, [], [pid 20494] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20495] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20494] <... futex resumed>) = 0 [pid 20495] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20494] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20495] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20495] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20494] <... futex resumed>) = 0 [pid 20494] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20494] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20495] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20495] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20494] <... futex resumed>) = 0 [pid 20494] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20494] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20495] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20495] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20494] <... futex resumed>) = 0 [pid 20494] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20494] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20495] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20495] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20494] <... futex resumed>) = 0 [pid 20494] exit_group(0) = ? [pid 20495] +++ exited with 0 +++ [pid 20494] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20494, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20496 attached , child_tidptr=0x55557e841690) = 20496 [pid 20496] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20496] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20496] setpgid(0, 0) = 0 [pid 20496] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20496] write(3, "1000", 4) = 4 [pid 20496] close(3) = 0 [pid 20496] write(1, "executing program\n", 18executing program ) = 18 [pid 20496] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20496] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20496] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20496] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20496] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20496] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20496] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20497 attached => {parent_tid=[20497]}, 88) = 20497 [pid 20496] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20496] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20496] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20497] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20497] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20497] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20497] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20496] <... futex resumed>) = 0 [pid 20497] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20496] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20497] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20496] <... futex resumed>) = 0 [pid 20497] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20496] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20497] <... futex resumed>) = 0 [pid 20496] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20497] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20496] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20497] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20496] <... futex resumed>) = 0 [pid 20497] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20496] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20497] <... futex resumed>) = 0 [pid 20496] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20497] write(-1, "0x0000000000000001", 18 [pid 20496] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20497] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20496] <... futex resumed>) = 0 [pid 20497] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20496] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20497] <... futex resumed>) = 0 [pid 20496] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20497] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20496] exit_group(0 [pid 20497] <... futex resumed>) = ? [pid 20496] <... exit_group resumed>) = ? [pid 20497] +++ exited with 0 +++ [pid 20496] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20496, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20498 ./strace-static-x86_64: Process 20498 attached [pid 20498] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20498] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20498] setpgid(0, 0) = 0 [pid 20498] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20498] write(3, "1000", 4) = 4 [pid 20498] close(3) = 0 [pid 20498] write(1, "executing program\n", 18executing program ) = 18 [pid 20498] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20498] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20498] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20498] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20498] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20498] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20498] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20499]}, 88) = 20499 [pid 20498] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20498] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20498] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20499 attached [pid 20499] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20499] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20499] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20499] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20498] <... futex resumed>) = 0 [pid 20498] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20498] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20499] <... futex resumed>) = 1 [pid 20499] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20499] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20498] <... futex resumed>) = 0 [pid 20498] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20498] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20499] <... futex resumed>) = 1 [pid 20499] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20499] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20498] <... futex resumed>) = 0 [pid 20498] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20498] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20499] <... futex resumed>) = 1 [pid 20499] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20499] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20498] <... futex resumed>) = 0 [pid 20498] exit_group(0) = ? [pid 20499] <... futex resumed>) = ? [pid 20499] +++ exited with 0 +++ [pid 20498] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20498, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20500 ./strace-static-x86_64: Process 20500 attached [pid 20500] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20500] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20500] setpgid(0, 0) = 0 [pid 20500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20500] write(3, "1000", 4) = 4 [pid 20500] close(3executing program ) = 0 [pid 20500] write(1, "executing program\n", 18) = 18 [pid 20500] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20500] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20500] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20500] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20500] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20500] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20500] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20501]}, 88) = 20501 ./strace-static-x86_64: Process 20501 attached [pid 20501] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20501] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20501] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20500] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20500] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20501] <... futex resumed>) = 0 [pid 20501] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20500] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20501] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20501] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20500] <... futex resumed>) = 0 [pid 20500] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20500] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20501] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20501] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20501] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20500] <... futex resumed>) = 0 [pid 20500] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20500] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20501] <... futex resumed>) = 0 [pid 20501] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20501] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20500] <... futex resumed>) = 0 [pid 20500] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20500] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20501] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20501] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20500] <... futex resumed>) = 0 [pid 20500] exit_group(0) = ? [pid 20501] +++ exited with 0 +++ [pid 20500] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20500, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20502 attached , child_tidptr=0x55557e841690) = 20502 [pid 20502] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20502] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20502] setpgid(0, 0) = 0 [pid 20502] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20502] write(3, "1000", 4) = 4 [pid 20502] close(3) = 0 executing program [pid 20502] write(1, "executing program\n", 18) = 18 [pid 20502] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20502] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20502] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20502] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20502] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20502] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20502] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20503]}, 88) = 20503 [pid 20502] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 20503 attached NULL, 8) = 0 [pid 20502] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20502] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20503] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20503] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20503] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20503] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20503] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20502] <... futex resumed>) = 0 [pid 20502] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20502] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20503] <... futex resumed>) = 0 [pid 20503] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20503] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20502] <... futex resumed>) = 0 [pid 20502] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20502] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20503] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20503] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20502] <... futex resumed>) = 0 [pid 20502] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20502] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20503] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20503] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20502] <... futex resumed>) = 0 [pid 20502] exit_group(0) = ? [pid 20503] +++ exited with 0 +++ [pid 20502] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20502, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20504 ./strace-static-x86_64: Process 20504 attached [pid 20504] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20504] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20504] setpgid(0, 0) = 0 [pid 20504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20504] write(3, "1000", 4) = 4 [pid 20504] close(3) = 0 [pid 20504] write(1, "executing program\n", 18) = 18 [pid 20504] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000executing program ) = 0 [pid 20504] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20504] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20504] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20504] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20504] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20504] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20505 attached => {parent_tid=[20505]}, 88) = 20505 [pid 20505] set_robust_list(0x7f5486a549a0, 24 [pid 20504] rt_sigprocmask(SIG_SETMASK, [], [pid 20505] <... set_robust_list resumed>) = 0 [pid 20504] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20504] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20505] rt_sigprocmask(SIG_SETMASK, [], [pid 20504] <... futex resumed>) = 0 [pid 20505] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20504] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20505] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20505] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20504] <... futex resumed>) = 0 [pid 20504] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20504] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20505] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20505] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20504] <... futex resumed>) = 0 [pid 20504] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20504] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20505] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20505] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20504] <... futex resumed>) = 0 [pid 20504] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20504] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20505] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20505] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20505] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20504] <... futex resumed>) = 0 [pid 20504] exit_group(0) = ? [pid 20505] <... futex resumed>) = ? [pid 20505] +++ exited with 0 +++ [pid 20504] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20504, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20506 attached , child_tidptr=0x55557e841690) = 20506 [pid 20506] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20506] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20506] setpgid(0, 0) = 0 [pid 20506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20506] write(3, "1000", 4) = 4 [pid 20506] close(3) = 0 executing program [pid 20506] write(1, "executing program\n", 18) = 18 [pid 20506] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20506] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20506] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20506] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20506] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20506] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20506] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20507]}, 88) = 20507 [pid 20506] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20506] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20506] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20507 attached [pid 20507] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20507] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20507] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20507] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20506] <... futex resumed>) = 0 [pid 20506] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20506] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20507] <... futex resumed>) = 1 [pid 20507] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20507] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20506] <... futex resumed>) = 0 [pid 20506] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20506] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20507] <... futex resumed>) = 1 [pid 20507] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20507] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20506] <... futex resumed>) = 0 [pid 20506] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20506] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20507] <... futex resumed>) = 1 [pid 20507] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20507] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20506] <... futex resumed>) = 0 [pid 20506] exit_group(0) = ? [pid 20507] <... futex resumed>) = ? [pid 20507] +++ exited with 0 +++ [pid 20506] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20506, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20508 ./strace-static-x86_64: Process 20508 attached [pid 20508] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20508] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20508] setpgid(0, 0) = 0 [pid 20508] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20508] write(3, "1000", 4) = 4 [pid 20508] close(3executing program ) = 0 [pid 20508] write(1, "executing program\n", 18) = 18 [pid 20508] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20508] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20508] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20508] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20508] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20508] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20508] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20509 attached => {parent_tid=[20509]}, 88) = 20509 [pid 20508] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20508] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20508] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20509] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20509] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20509] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20509] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20508] <... futex resumed>) = 0 [pid 20508] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20508] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20509] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20509] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20508] <... futex resumed>) = 0 [pid 20508] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20508] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20509] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20509] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20508] <... futex resumed>) = 0 [pid 20508] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20508] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20509] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20509] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20508] <... futex resumed>) = 0 [pid 20508] exit_group(0) = ? [pid 20509] +++ exited with 0 +++ [pid 20508] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20508, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20510 ./strace-static-x86_64: Process 20510 attached [pid 20510] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20510] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20510] setpgid(0, 0) = 0 [pid 20510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20510] write(3, "1000", 4) = 4 [pid 20510] close(3) = 0 [pid 20510] write(1, "executing program\n", 18executing program ) = 18 [pid 20510] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20510] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20510] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20510] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20510] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20510] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20510] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20511]}, 88) = 20511 ./strace-static-x86_64: Process 20511 attached [pid 20510] rt_sigprocmask(SIG_SETMASK, [], [pid 20511] set_robust_list(0x7f5486a549a0, 24 [pid 20510] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20511] <... set_robust_list resumed>) = 0 [pid 20510] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20511] rt_sigprocmask(SIG_SETMASK, [], [pid 20510] <... futex resumed>) = 0 [pid 20511] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20511] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20510] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20511] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20511] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20510] <... futex resumed>) = 0 [pid 20510] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20510] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20511] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20511] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20510] <... futex resumed>) = 0 [pid 20510] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20510] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20511] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20511] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20510] <... futex resumed>) = 0 [pid 20510] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20510] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20511] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20511] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20510] <... futex resumed>) = 0 [pid 20510] exit_group(0) = ? [pid 20511] +++ exited with 0 +++ [pid 20510] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20510, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20512 attached , child_tidptr=0x55557e841690) = 20512 [pid 20512] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20512] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20512] setpgid(0, 0) = 0 [pid 20512] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20512] write(3, "1000", 4) = 4 [pid 20512] close(3) = 0 [pid 20512] write(1, "executing program\n", 18executing program ) = 18 [pid 20512] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20512] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20512] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20512] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20512] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20512] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20512] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20513]}, 88) = 20513 ./strace-static-x86_64: Process 20513 attached [pid 20512] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20512] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20512] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20513] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20513] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20513] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20513] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20512] <... futex resumed>) = 0 [pid 20512] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20512] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20513] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20513] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20512] <... futex resumed>) = 0 [pid 20512] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20512] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20513] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20513] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20512] <... futex resumed>) = 0 [pid 20512] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20512] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20513] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20513] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20512] <... futex resumed>) = 0 [pid 20512] exit_group(0) = ? [pid 20513] +++ exited with 0 +++ [pid 20512] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20512, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20514 attached , child_tidptr=0x55557e841690) = 20514 [pid 20514] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20514] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20514] setpgid(0, 0) = 0 [pid 20514] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20514] write(3, "1000", 4) = 4 [pid 20514] close(3) = 0 executing program [pid 20514] write(1, "executing program\n", 18) = 18 [pid 20514] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20514] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20514] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20514] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20514] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20514] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20514] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20515 attached => {parent_tid=[20515]}, 88) = 20515 [pid 20515] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20515] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20515] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20514] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20514] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20515] <... futex resumed>) = 0 [pid 20514] <... futex resumed>) = 1 [pid 20515] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20514] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20515] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20515] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20514] <... futex resumed>) = 0 [pid 20515] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20514] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20515] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20514] <... futex resumed>) = 0 [pid 20515] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20514] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20515] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20515] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20514] <... futex resumed>) = 0 [pid 20515] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20514] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20515] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20514] <... futex resumed>) = 0 [pid 20515] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20514] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20515] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20515] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20514] <... futex resumed>) = 0 [pid 20515] write(-1, "0x0000000000000001", 18 [pid 20514] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20515] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20514] <... futex resumed>) = 0 [pid 20515] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20514] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20515] <... futex resumed>) = 0 [pid 20514] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20515] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20514] exit_group(0 [pid 20515] <... futex resumed>) = ? [pid 20514] <... exit_group resumed>) = ? [pid 20515] +++ exited with 0 +++ [pid 20514] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20514, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20516 attached [pid 20516] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20516] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20516] setpgid(0, 0) = 0 [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 20516 [pid 20516] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20516] write(3, "1000", 4) = 4 [pid 20516] close(3) = 0 [pid 20516] write(1, "executing program\n", 18) = 18 [pid 20516] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000executing program ) = 0 [pid 20516] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20516] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20516] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20516] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20516] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20516] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20517 attached => {parent_tid=[20517]}, 88) = 20517 [pid 20517] set_robust_list(0x7f5486a549a0, 24 [pid 20516] rt_sigprocmask(SIG_SETMASK, [], [pid 20517] <... set_robust_list resumed>) = 0 [pid 20516] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20517] rt_sigprocmask(SIG_SETMASK, [], [pid 20516] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20517] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20516] <... futex resumed>) = 0 [pid 20517] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20516] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20517] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20517] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20516] <... futex resumed>) = 0 [pid 20517] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20516] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20517] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20516] <... futex resumed>) = 0 [pid 20517] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20516] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20517] <... futex resumed>) = 0 [pid 20516] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20517] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20516] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20517] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20516] <... futex resumed>) = 0 [pid 20517] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20516] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20517] <... futex resumed>) = 0 [pid 20516] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20517] write(-1, "0x0000000000000001", 18 [pid 20516] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20516] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20517] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20517] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20517] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20516] <... futex resumed>) = 0 [pid 20516] exit_group(0 [pid 20517] <... futex resumed>) = ? [pid 20516] <... exit_group resumed>) = ? [pid 20517] +++ exited with 0 +++ [pid 20516] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20516, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20518 ./strace-static-x86_64: Process 20518 attached [pid 20518] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20518] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20518] setpgid(0, 0) = 0 [pid 20518] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20518] write(3, "1000", 4) = 4 [pid 20518] close(3) = 0 [pid 20518] write(1, "executing program\n", 18executing program ) = 18 [pid 20518] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20518] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20518] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20518] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20518] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20518] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20518] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20519 attached [pid 20519] set_robust_list(0x7f5486a549a0, 24 [pid 20518] <... clone3 resumed> => {parent_tid=[20519]}, 88) = 20519 [pid 20519] <... set_robust_list resumed>) = 0 [pid 20519] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20519] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20518] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20518] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20519] <... futex resumed>) = 0 [pid 20518] <... futex resumed>) = 1 [pid 20519] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20518] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20519] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20519] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20518] <... futex resumed>) = 0 [pid 20519] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20518] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20519] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20518] <... futex resumed>) = 0 [pid 20519] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20518] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20519] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20519] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20518] <... futex resumed>) = 0 [pid 20519] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20518] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20519] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20518] <... futex resumed>) = 0 [pid 20519] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20518] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20519] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20519] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20518] <... futex resumed>) = 0 [pid 20519] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20518] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20519] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20518] <... futex resumed>) = 0 [pid 20519] write(-1, "0x0000000000000001", 18 [pid 20518] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20519] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20519] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20518] <... futex resumed>) = 0 [pid 20519] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20518] exit_group(0 [pid 20519] <... futex resumed>) = ? [pid 20518] <... exit_group resumed>) = ? [pid 20519] +++ exited with 0 +++ [pid 20518] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20518, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20520 attached [pid 20520] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20520] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20520] setpgid(0, 0) = 0 [pid 20520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 20520 [pid 20520] <... openat resumed>) = 3 [pid 20520] write(3, "1000", 4) = 4 [pid 20520] close(3) = 0 executing program [pid 20520] write(1, "executing program\n", 18) = 18 [pid 20520] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20520] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20520] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20520] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20520] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20520] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20520] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20521 attached => {parent_tid=[20521]}, 88) = 20521 [pid 20521] set_robust_list(0x7f5486a549a0, 24 [pid 20520] rt_sigprocmask(SIG_SETMASK, [], [pid 20521] <... set_robust_list resumed>) = 0 [pid 20520] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20521] rt_sigprocmask(SIG_SETMASK, [], [pid 20520] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20521] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20520] <... futex resumed>) = 0 [pid 20521] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20520] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20521] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20521] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20520] <... futex resumed>) = 0 [pid 20521] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20520] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20521] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20520] <... futex resumed>) = 0 [pid 20521] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20520] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20521] <... futex resumed>) = 0 [pid 20520] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20521] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20520] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20521] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20520] <... futex resumed>) = 0 [pid 20521] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20520] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20521] <... futex resumed>) = 0 [pid 20520] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20521] write(-1, "0x0000000000000001", 18 [pid 20520] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20521] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20520] <... futex resumed>) = 0 [pid 20521] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20520] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20521] <... futex resumed>) = 0 [pid 20520] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20521] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20520] exit_group(0 [pid 20521] <... futex resumed>) = ? [pid 20520] <... exit_group resumed>) = ? [pid 20521] +++ exited with 0 +++ [pid 20520] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20520, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20522 ./strace-static-x86_64: Process 20522 attached [pid 20522] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20522] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20522] setpgid(0, 0) = 0 [pid 20522] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20522] write(3, "1000", 4) = 4 [pid 20522] close(3) = 0 [pid 20522] write(1, "executing program\n", 18executing program ) = 18 [pid 20522] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20522] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20522] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20522] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20522] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20522] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20522] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20523 attached => {parent_tid=[20523]}, 88) = 20523 [pid 20522] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20522] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20522] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20523] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20523] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20523] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20523] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20522] <... futex resumed>) = 0 [pid 20522] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20522] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20523] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20523] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20522] <... futex resumed>) = 0 [pid 20522] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20522] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20523] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20523] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20522] <... futex resumed>) = 0 [pid 20522] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20522] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20523] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20523] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20522] <... futex resumed>) = 0 [pid 20522] exit_group(0) = ? [pid 20523] +++ exited with 0 +++ [pid 20522] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20522, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20524 attached [pid 20524] set_robust_list(0x55557e8416a0, 24) = 0 [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 20524 [pid 20524] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20524] setpgid(0, 0) = 0 [pid 20524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20524] write(3, "1000", 4) = 4 [pid 20524] close(3) = 0 executing program [pid 20524] write(1, "executing program\n", 18) = 18 [pid 20524] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20524] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20524] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20524] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20524] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20524] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20524] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20525 attached => {parent_tid=[20525]}, 88) = 20525 [pid 20524] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20524] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20524] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20525] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20525] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20525] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20525] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20524] <... futex resumed>) = 0 [pid 20524] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20524] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20525] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20525] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20524] <... futex resumed>) = 0 [pid 20524] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20524] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20525] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20525] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20524] <... futex resumed>) = 0 [pid 20524] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20524] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20525] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20525] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20524] <... futex resumed>) = 0 [pid 20524] exit_group(0) = ? [pid 20525] +++ exited with 0 +++ [pid 20524] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20524, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20526 attached , child_tidptr=0x55557e841690) = 20526 [pid 20526] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20526] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20526] setpgid(0, 0) = 0 [pid 20526] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20526] write(3, "1000", 4) = 4 [pid 20526] close(3) = 0 executing program [pid 20526] write(1, "executing program\n", 18) = 18 [pid 20526] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20526] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20526] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20526] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20526] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20526] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20526] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20527]}, 88) = 20527 [pid 20526] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20526] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20526] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20527 attached [pid 20527] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20527] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20527] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20527] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20526] <... futex resumed>) = 0 [pid 20526] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20526] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20527] <... futex resumed>) = 1 [pid 20527] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20527] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20526] <... futex resumed>) = 0 [pid 20527] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20526] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20526] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20527] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20527] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20526] <... futex resumed>) = 0 [pid 20526] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20526] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20527] <... futex resumed>) = 1 [pid 20527] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20527] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20526] <... futex resumed>) = 0 [pid 20526] exit_group(0) = ? [pid 20527] <... futex resumed>) = ? [pid 20527] +++ exited with 0 +++ [pid 20526] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20526, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20528 attached , child_tidptr=0x55557e841690) = 20528 [pid 20528] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20528] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20528] setpgid(0, 0) = 0 [pid 20528] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20528] write(3, "1000", 4) = 4 [pid 20528] close(3) = 0 [pid 20528] write(1, "executing program\n", 18executing program ) = 18 [pid 20528] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20528] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20528] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20528] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20528] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20528] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20528] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20529]}, 88) = 20529 [pid 20528] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20528] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20528] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20529 attached [pid 20529] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20529] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20529] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20529] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20528] <... futex resumed>) = 0 [pid 20528] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20528] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20529] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20529] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20528] <... futex resumed>) = 0 [pid 20528] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20528] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20529] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20529] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20528] <... futex resumed>) = 0 [pid 20528] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20528] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20529] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20529] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20528] <... futex resumed>) = 0 [pid 20528] exit_group(0) = ? [pid 20529] +++ exited with 0 +++ [pid 20528] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20528, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20530 attached , child_tidptr=0x55557e841690) = 20530 [pid 20530] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20530] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20530] setpgid(0, 0) = 0 [pid 20530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20530] write(3, "1000", 4) = 4 [pid 20530] close(3executing program ) = 0 [pid 20530] write(1, "executing program\n", 18) = 18 [pid 20530] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20530] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20530] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20530] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20530] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20530] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20530] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20531]}, 88) = 20531 ./strace-static-x86_64: Process 20531 attached [pid 20531] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20531] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20531] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20530] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20530] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20531] <... futex resumed>) = 0 [pid 20530] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20531] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20531] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20530] <... futex resumed>) = 0 [pid 20530] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20530] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20531] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20531] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20530] <... futex resumed>) = 0 [pid 20530] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20530] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20531] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20531] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20530] <... futex resumed>) = 0 [pid 20530] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20530] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20531] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20531] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20530] <... futex resumed>) = 0 [pid 20530] exit_group(0) = ? [pid 20531] +++ exited with 0 +++ [pid 20530] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20530, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20532 ./strace-static-x86_64: Process 20532 attached [pid 20532] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20532] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20532] setpgid(0, 0) = 0 [pid 20532] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20532] write(3, "1000", 4) = 4 [pid 20532] close(3executing program ) = 0 [pid 20532] write(1, "executing program\n", 18) = 18 [pid 20532] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20532] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20532] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20532] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20532] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20532] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20532] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20533 attached => {parent_tid=[20533]}, 88) = 20533 [pid 20532] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20532] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20532] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20533] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20533] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20533] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20533] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20532] <... futex resumed>) = 0 [pid 20532] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20532] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20533] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20533] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20532] <... futex resumed>) = 0 [pid 20532] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20532] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20533] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20533] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20532] <... futex resumed>) = 0 [pid 20532] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20532] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20533] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20533] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20532] <... futex resumed>) = 0 [pid 20533] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20532] exit_group(0 [pid 20533] <... futex resumed>) = ? [pid 20532] <... exit_group resumed>) = ? [pid 20533] +++ exited with 0 +++ [pid 20532] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20532, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20534 ./strace-static-x86_64: Process 20534 attached [pid 20534] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20534] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20534] setpgid(0, 0) = 0 [pid 20534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20534] write(3, "1000", 4) = 4 [pid 20534] close(3) = 0 executing program [pid 20534] write(1, "executing program\n", 18) = 18 [pid 20534] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20534] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20534] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20534] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20534] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20534] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20534] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20535]}, 88) = 20535 ./strace-static-x86_64: Process 20535 attached [pid 20534] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20534] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20534] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20535] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20535] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20535] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20535] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20534] <... futex resumed>) = 0 [pid 20535] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20534] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20535] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20534] <... futex resumed>) = 0 [pid 20535] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20534] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20535] <... futex resumed>) = 0 [pid 20534] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20535] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20534] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20535] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20534] <... futex resumed>) = 0 [pid 20535] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20534] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20535] <... futex resumed>) = 0 [pid 20534] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20535] write(-1, "0x0000000000000001", 18 [pid 20534] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20535] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20534] <... futex resumed>) = 0 [pid 20535] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20534] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20535] <... futex resumed>) = 0 [pid 20534] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20535] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20534] exit_group(0 [pid 20535] <... futex resumed>) = ? [pid 20534] <... exit_group resumed>) = ? [pid 20535] +++ exited with 0 +++ [pid 20534] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20534, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20536 attached , child_tidptr=0x55557e841690) = 20536 [pid 20536] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20536] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20536] setpgid(0, 0) = 0 [pid 20536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20536] write(3, "1000", 4) = 4 executing program [pid 20536] close(3) = 0 [pid 20536] write(1, "executing program\n", 18) = 18 [pid 20536] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20536] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20536] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20536] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20536] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20536] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20536] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20537]}, 88) = 20537 ./strace-static-x86_64: Process 20537 attached [pid 20536] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20536] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20536] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20537] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20537] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20537] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20537] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20536] <... futex resumed>) = 0 [pid 20537] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20536] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20537] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20536] <... futex resumed>) = 0 [pid 20537] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20536] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20537] <... futex resumed>) = 0 [pid 20536] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20537] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20536] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20537] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20536] <... futex resumed>) = 0 [pid 20537] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20536] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20537] <... futex resumed>) = 0 [pid 20536] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20537] write(-1, "0x0000000000000001", 18 [pid 20536] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20537] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20536] <... futex resumed>) = 0 [pid 20537] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20536] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20537] <... futex resumed>) = 0 [pid 20536] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20537] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20536] exit_group(0 [pid 20537] <... futex resumed>) = ? [pid 20536] <... exit_group resumed>) = ? [pid 20537] +++ exited with 0 +++ [pid 20536] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20536, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20538 attached , child_tidptr=0x55557e841690) = 20538 [pid 20538] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20538] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20538] setpgid(0, 0) = 0 [pid 20538] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20538] write(3, "1000", 4) = 4 [pid 20538] close(3) = 0 executing program [pid 20538] write(1, "executing program\n", 18) = 18 [pid 20538] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20538] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20538] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20538] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20538] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20538] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20538] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20539]}, 88) = 20539 [pid 20538] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20538] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20538] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20539 attached [pid 20539] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20539] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20539] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20539] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20538] <... futex resumed>) = 0 [pid 20538] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20538] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20539] <... futex resumed>) = 1 [pid 20539] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20539] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20538] <... futex resumed>) = 0 [pid 20538] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20538] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20539] <... futex resumed>) = 1 [pid 20539] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20539] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20538] <... futex resumed>) = 0 [pid 20538] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20538] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20539] <... futex resumed>) = 1 [pid 20539] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20539] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20538] <... futex resumed>) = 0 [pid 20538] exit_group(0) = ? [pid 20539] <... futex resumed>) = ? [pid 20539] +++ exited with 0 +++ [pid 20538] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20538, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20540 attached , child_tidptr=0x55557e841690) = 20540 [pid 20540] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20540] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20540] setpgid(0, 0) = 0 [pid 20540] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20540] write(3, "1000", 4) = 4 [pid 20540] close(3executing program ) = 0 [pid 20540] write(1, "executing program\n", 18) = 18 [pid 20540] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20540] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20540] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20540] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20540] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20540] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20540] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20541]}, 88) = 20541 ./strace-static-x86_64: Process 20541 attached [pid 20540] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20540] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20540] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20541] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20541] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20541] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20541] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20540] <... futex resumed>) = 0 [pid 20540] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20540] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20541] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20541] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20540] <... futex resumed>) = 0 [pid 20540] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20540] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20541] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20541] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20540] <... futex resumed>) = 0 [pid 20540] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20540] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20541] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20541] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20540] <... futex resumed>) = 0 [pid 20540] exit_group(0) = ? [pid 20541] +++ exited with 0 +++ [pid 20540] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20540, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20542 ./strace-static-x86_64: Process 20542 attached [pid 20542] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20542] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20542] setpgid(0, 0) = 0 [pid 20542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20542] write(3, "1000", 4) = 4 [pid 20542] close(3) = 0 [pid 20542] write(1, "executing program\n", 18executing program ) = 18 [pid 20542] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20542] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20542] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20542] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20542] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20542] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20542] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20543]}, 88) = 20543 ./strace-static-x86_64: Process 20543 attached [pid 20542] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20542] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20542] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20543] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20543] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20543] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20543] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20542] <... futex resumed>) = 0 [pid 20542] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20542] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20543] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20543] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20542] <... futex resumed>) = 0 [pid 20542] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20542] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20543] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20543] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20542] <... futex resumed>) = 0 [pid 20542] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20542] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20543] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20543] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20542] <... futex resumed>) = 0 [pid 20542] exit_group(0) = ? [pid 20543] +++ exited with 0 +++ [pid 20542] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20542, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20544 attached , child_tidptr=0x55557e841690) = 20544 [pid 20544] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20544] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20544] setpgid(0, 0) = 0 [pid 20544] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20544] write(3, "1000", 4) = 4 [pid 20544] close(3) = 0 executing program [pid 20544] write(1, "executing program\n", 18) = 18 [pid 20544] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20544] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20544] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20544] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20544] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20544] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20544] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20545]}, 88) = 20545 ./strace-static-x86_64: Process 20545 attached [pid 20544] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20544] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20544] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20545] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20545] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20545] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20545] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20544] <... futex resumed>) = 0 [pid 20544] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20544] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20545] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20545] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20544] <... futex resumed>) = 0 [pid 20544] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20544] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20545] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20545] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20544] <... futex resumed>) = 0 [pid 20544] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20544] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20545] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20545] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20544] <... futex resumed>) = 0 [pid 20544] exit_group(0) = ? [pid 20545] +++ exited with 0 +++ [pid 20544] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20544, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20546 ./strace-static-x86_64: Process 20546 attached [pid 20546] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20546] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20546] setpgid(0, 0) = 0 [pid 20546] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20546] write(3, "1000", 4) = 4 [pid 20546] close(3executing program ) = 0 [pid 20546] write(1, "executing program\n", 18) = 18 [pid 20546] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20546] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20546] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20546] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20546] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20546] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20546] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20547 attached => {parent_tid=[20547]}, 88) = 20547 [pid 20546] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20546] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20546] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20547] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20547] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20547] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20547] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20546] <... futex resumed>) = 0 [pid 20547] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20546] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20547] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20546] <... futex resumed>) = 0 [pid 20547] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20546] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20547] <... futex resumed>) = 0 [pid 20546] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20547] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20546] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20547] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20546] <... futex resumed>) = 0 [pid 20547] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20546] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20547] <... futex resumed>) = 0 [pid 20546] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20547] write(-1, "0x0000000000000001", 18 [pid 20546] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20547] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20546] <... futex resumed>) = 0 [pid 20547] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20546] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20547] <... futex resumed>) = 0 [pid 20546] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20547] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20546] exit_group(0 [pid 20547] <... futex resumed>) = ? [pid 20546] <... exit_group resumed>) = ? [pid 20547] +++ exited with 0 +++ [pid 20546] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20546, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20548 ./strace-static-x86_64: Process 20548 attached [pid 20548] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20548] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20548] setpgid(0, 0) = 0 [pid 20548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20548] write(3, "1000", 4) = 4 [pid 20548] close(3) = 0 executing program [pid 20548] write(1, "executing program\n", 18) = 18 [pid 20548] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20548] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20548] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20548] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20548] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20548] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20548] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20549 attached [pid 20549] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20549] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20549] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20548] <... clone3 resumed> => {parent_tid=[20549]}, 88) = 20549 [pid 20548] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20548] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20549] <... futex resumed>) = 0 [pid 20548] <... futex resumed>) = 1 [pid 20549] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20548] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20549] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20549] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20549] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20548] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20548] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20549] <... futex resumed>) = 0 [pid 20548] <... futex resumed>) = 1 [pid 20549] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20548] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20549] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20549] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20548] <... futex resumed>) = 0 [pid 20549] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20548] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20549] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20548] <... futex resumed>) = 0 [pid 20549] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20548] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20549] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20549] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20548] <... futex resumed>) = 0 [pid 20549] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20548] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20549] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20548] <... futex resumed>) = 0 [pid 20549] write(-1, "0x0000000000000001", 18 [pid 20548] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20549] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20549] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20548] <... futex resumed>) = 0 [pid 20549] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20548] exit_group(0 [pid 20549] <... futex resumed>) = ? [pid 20548] <... exit_group resumed>) = ? [pid 20549] +++ exited with 0 +++ [pid 20548] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20548, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20550 ./strace-static-x86_64: Process 20550 attached [pid 20550] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20550] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20550] setpgid(0, 0) = 0 [pid 20550] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20550] write(3, "1000", 4) = 4 executing program [pid 20550] close(3) = 0 [pid 20550] write(1, "executing program\n", 18) = 18 [pid 20550] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20550] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20550] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20550] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20550] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20550] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20550] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20551 attached => {parent_tid=[20551]}, 88) = 20551 [pid 20550] rt_sigprocmask(SIG_SETMASK, [], [pid 20551] set_robust_list(0x7f5486a549a0, 24 [pid 20550] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20551] <... set_robust_list resumed>) = 0 [pid 20551] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20551] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20550] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20551] <... futex resumed>) = 0 [pid 20550] <... futex resumed>) = 1 [pid 20551] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20550] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20551] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20551] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20551] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20550] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20550] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20551] <... futex resumed>) = 0 [pid 20550] <... futex resumed>) = 1 [pid 20551] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20550] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20551] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20551] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20550] <... futex resumed>) = 0 [pid 20551] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20550] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20551] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20550] <... futex resumed>) = 0 [pid 20551] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20550] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20551] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20551] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20550] <... futex resumed>) = 0 [pid 20551] write(-1, "0x0000000000000001", 18 [pid 20550] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20551] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20550] <... futex resumed>) = 0 [pid 20551] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20550] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20551] <... futex resumed>) = 0 [pid 20550] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20551] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20550] exit_group(0 [pid 20551] <... futex resumed>) = ? [pid 20550] <... exit_group resumed>) = ? [pid 20551] +++ exited with 0 +++ [pid 20550] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20550, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20552 ./strace-static-x86_64: Process 20552 attached [pid 20552] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20552] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20552] setpgid(0, 0) = 0 [pid 20552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20552] write(3, "1000", 4) = 4 executing program [pid 20552] close(3) = 0 [pid 20552] write(1, "executing program\n", 18) = 18 [pid 20552] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20552] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20552] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20552] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20552] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20552] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20552] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20553 attached => {parent_tid=[20553]}, 88) = 20553 [pid 20552] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20552] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20552] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20553] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20553] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20553] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20553] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20552] <... futex resumed>) = 0 [pid 20553] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20552] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20553] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20552] <... futex resumed>) = 0 [pid 20553] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20552] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20553] <... futex resumed>) = 0 [pid 20552] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20553] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20552] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20553] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20552] <... futex resumed>) = 0 [pid 20553] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20552] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20553] <... futex resumed>) = 0 [pid 20552] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20553] write(-1, "0x0000000000000001", 18 [pid 20552] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20553] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20552] <... futex resumed>) = 0 [pid 20553] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20552] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20553] <... futex resumed>) = 0 [pid 20552] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20553] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20552] exit_group(0 [pid 20553] <... futex resumed>) = ? [pid 20552] <... exit_group resumed>) = ? [pid 20553] +++ exited with 0 +++ [pid 20552] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20552, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20554 ./strace-static-x86_64: Process 20554 attached [pid 20554] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20554] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20554] setpgid(0, 0) = 0 [pid 20554] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20554] write(3, "1000", 4) = 4 [pid 20554] close(3) = 0 executing program [pid 20554] write(1, "executing program\n", 18) = 18 [pid 20554] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20554] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20554] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20554] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20554] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20554] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20554] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20555 attached => {parent_tid=[20555]}, 88) = 20555 [pid 20554] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20554] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20554] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20555] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20555] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20555] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20555] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20554] <... futex resumed>) = 0 [pid 20554] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20554] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20555] <... futex resumed>) = 1 [pid 20555] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20555] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20554] <... futex resumed>) = 0 [pid 20554] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20555] <... futex resumed>) = 1 [pid 20554] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20555] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20555] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20554] <... futex resumed>) = 0 [pid 20554] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20555] write(-1, "0x0000000000000001", 18 [pid 20554] <... futex resumed>) = 0 [pid 20554] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20555] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20555] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20554] <... futex resumed>) = 0 [pid 20554] exit_group(0) = ? [pid 20555] <... futex resumed>) = ? [pid 20555] +++ exited with 0 +++ [pid 20554] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20554, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20556 ./strace-static-x86_64: Process 20556 attached [pid 20556] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20556] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20556] setpgid(0, 0) = 0 [pid 20556] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20556] write(3, "1000", 4) = 4 [pid 20556] close(3) = 0 [pid 20556] write(1, "executing program\n", 18executing program ) = 18 [pid 20556] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20556] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20556] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20556] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20556] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20556] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20556] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20557 attached => {parent_tid=[20557]}, 88) = 20557 [pid 20556] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20556] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20556] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20557] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20557] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20557] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20557] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20556] <... futex resumed>) = 0 [pid 20556] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20556] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20557] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20557] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20556] <... futex resumed>) = 0 [pid 20556] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20556] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20557] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20557] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20556] <... futex resumed>) = 0 [pid 20556] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20556] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20557] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20557] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20556] <... futex resumed>) = 0 [pid 20556] exit_group(0) = ? [pid 20557] +++ exited with 0 +++ [pid 20556] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20556, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20558 ./strace-static-x86_64: Process 20558 attached [pid 20558] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20558] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20558] setpgid(0, 0) = 0 [pid 20558] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20558] write(3, "1000", 4) = 4 [pid 20558] close(3executing program ) = 0 [pid 20558] write(1, "executing program\n", 18) = 18 [pid 20558] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20558] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20558] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20558] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20558] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20558] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20558] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20559]}, 88) = 20559 ./strace-static-x86_64: Process 20559 attached [pid 20558] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20558] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20558] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20559] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20559] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20559] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20559] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20558] <... futex resumed>) = 0 [pid 20558] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20558] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20559] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20559] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20558] <... futex resumed>) = 0 [pid 20558] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20558] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20559] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20559] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20558] <... futex resumed>) = 0 [pid 20558] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20558] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20559] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20559] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20558] <... futex resumed>) = 0 [pid 20558] exit_group(0) = ? [pid 20559] +++ exited with 0 +++ [pid 20558] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20558, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20560 ./strace-static-x86_64: Process 20560 attached [pid 20560] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20560] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20560] setpgid(0, 0) = 0 [pid 20560] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20560] write(3, "1000", 4) = 4 [pid 20560] close(3) = 0 executing program [pid 20560] write(1, "executing program\n", 18) = 18 [pid 20560] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20560] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20560] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20560] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20560] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20560] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20560] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20561]}, 88) = 20561 [pid 20560] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20560] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20560] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20561 attached [pid 20561] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20561] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20561] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20561] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20560] <... futex resumed>) = 0 [pid 20560] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20560] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20561] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20561] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20560] <... futex resumed>) = 0 [pid 20560] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20560] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20561] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20561] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20560] <... futex resumed>) = 0 [pid 20560] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20560] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20561] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20561] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20560] <... futex resumed>) = 0 [pid 20560] exit_group(0) = ? [pid 20561] +++ exited with 0 +++ [pid 20560] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20560, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20562 attached , child_tidptr=0x55557e841690) = 20562 [pid 20562] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20562] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20562] setpgid(0, 0) = 0 [pid 20562] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20562] write(3, "1000", 4) = 4 [pid 20562] close(3) = 0 executing program [pid 20562] write(1, "executing program\n", 18) = 18 [pid 20562] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20562] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20562] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20562] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20562] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20562] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20562] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20563]}, 88) = 20563 [pid 20562] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20562] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20562] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20563 attached [pid 20563] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20563] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20563] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20563] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20562] <... futex resumed>) = 0 [pid 20562] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20562] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20563] <... futex resumed>) = 1 [pid 20563] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20563] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20562] <... futex resumed>) = 0 [pid 20562] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20562] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20563] <... futex resumed>) = 1 [pid 20563] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20563] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20562] <... futex resumed>) = 0 [pid 20562] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20562] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20563] <... futex resumed>) = 1 [pid 20563] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20563] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20562] <... futex resumed>) = 0 [pid 20562] exit_group(0) = ? [pid 20563] <... futex resumed>) = ? [pid 20563] +++ exited with 0 +++ [pid 20562] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20562, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20564 attached , child_tidptr=0x55557e841690) = 20564 [pid 20564] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20564] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20564] setpgid(0, 0) = 0 [pid 20564] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20564] write(3, "1000", 4) = 4 executing program [pid 20564] close(3) = 0 [pid 20564] write(1, "executing program\n", 18) = 18 [pid 20564] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20564] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20564] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20564] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20564] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20564] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20564] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20565 attached => {parent_tid=[20565]}, 88) = 20565 [pid 20565] set_robust_list(0x7f5486a549a0, 24 [pid 20564] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20564] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20564] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20565] <... set_robust_list resumed>) = 0 [pid 20565] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20565] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20565] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20564] <... futex resumed>) = 0 [pid 20564] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20564] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20565] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20565] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20564] <... futex resumed>) = 0 [pid 20564] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20564] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20565] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20565] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20564] <... futex resumed>) = 0 [pid 20564] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20564] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20565] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20565] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20564] <... futex resumed>) = 0 [pid 20564] exit_group(0) = ? [pid 20565] +++ exited with 0 +++ [pid 20564] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20564, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20566 ./strace-static-x86_64: Process 20566 attached [pid 20566] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20566] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20566] setpgid(0, 0) = 0 [pid 20566] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20566] write(3, "1000", 4) = 4 [pid 20566] close(3) = 0 executing program [pid 20566] write(1, "executing program\n", 18) = 18 [pid 20566] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20566] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20566] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20566] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20566] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20566] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20566] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20567 attached => {parent_tid=[20567]}, 88) = 20567 [pid 20566] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20566] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20566] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20567] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20567] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20567] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20567] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20566] <... futex resumed>) = 0 [pid 20566] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20567] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20566] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20567] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20567] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20566] <... futex resumed>) = 0 [pid 20566] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20566] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20567] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20567] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20566] <... futex resumed>) = 0 [pid 20566] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20566] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20567] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20567] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20566] <... futex resumed>) = 0 [pid 20566] exit_group(0) = ? [pid 20567] +++ exited with 0 +++ [pid 20566] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20566, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20568 ./strace-static-x86_64: Process 20568 attached [pid 20568] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20568] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20568] setpgid(0, 0) = 0 [pid 20568] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20568] write(3, "1000", 4) = 4 [pid 20568] close(3executing program ) = 0 [pid 20568] write(1, "executing program\n", 18) = 18 [pid 20568] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20568] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20568] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20568] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20568] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20568] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20568] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20569 attached => {parent_tid=[20569]}, 88) = 20569 [pid 20568] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20568] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20568] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20569] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20569] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20569] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20569] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20568] <... futex resumed>) = 0 [pid 20569] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20568] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20569] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20568] <... futex resumed>) = 0 [pid 20569] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20568] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20569] <... futex resumed>) = 0 [pid 20568] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20569] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20568] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20569] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20568] <... futex resumed>) = 0 [pid 20569] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20568] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20569] <... futex resumed>) = 0 [pid 20568] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20569] write(-1, "0x0000000000000001", 18 [pid 20568] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20569] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20568] <... futex resumed>) = 0 [pid 20569] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20568] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20569] <... futex resumed>) = 0 [pid 20568] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20569] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20568] exit_group(0 [pid 20569] <... futex resumed>) = ? [pid 20568] <... exit_group resumed>) = ? [pid 20569] +++ exited with 0 +++ [pid 20568] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20568, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20570 ./strace-static-x86_64: Process 20570 attached [pid 20570] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20570] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20570] setpgid(0, 0) = 0 [pid 20570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20570] write(3, "1000", 4) = 4 [pid 20570] close(3) = 0 executing program [pid 20570] write(1, "executing program\n", 18) = 18 [pid 20570] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20570] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20570] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20570] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20570] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20570] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20570] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20571 attached => {parent_tid=[20571]}, 88) = 20571 [pid 20570] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20570] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20570] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20571] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20571] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20571] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20571] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20570] <... futex resumed>) = 0 [pid 20571] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20570] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20571] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20570] <... futex resumed>) = 0 [pid 20571] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20570] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20571] <... futex resumed>) = 0 [pid 20570] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20571] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20570] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20571] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20570] <... futex resumed>) = 0 [pid 20571] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20570] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20571] <... futex resumed>) = 0 [pid 20570] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20571] write(-1, "0x0000000000000001", 18 [pid 20570] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20571] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20570] <... futex resumed>) = 0 [pid 20571] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20570] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20571] <... futex resumed>) = 0 [pid 20570] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20571] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20570] exit_group(0 [pid 20571] <... futex resumed>) = ? [pid 20570] <... exit_group resumed>) = ? [pid 20571] +++ exited with 0 +++ [pid 20570] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20570, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20572 ./strace-static-x86_64: Process 20572 attached [pid 20572] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20572] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20572] setpgid(0, 0) = 0 [pid 20572] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20572] write(3, "1000", 4) = 4 [pid 20572] close(3executing program ) = 0 [pid 20572] write(1, "executing program\n", 18) = 18 [pid 20572] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20572] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20572] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20572] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20572] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20572] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20572] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20573]}, 88) = 20573 ./strace-static-x86_64: Process 20573 attached [pid 20572] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20572] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20572] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20573] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20573] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20573] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20573] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20572] <... futex resumed>) = 0 [pid 20572] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20572] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20573] <... futex resumed>) = 1 [pid 20573] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20573] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20572] <... futex resumed>) = 0 [pid 20572] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20572] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20573] <... futex resumed>) = 1 [pid 20573] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20573] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20572] <... futex resumed>) = 0 [pid 20572] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20572] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20573] <... futex resumed>) = 1 [pid 20573] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20573] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20572] <... futex resumed>) = 0 [pid 20572] exit_group(0) = ? [pid 20573] <... futex resumed>) = ? [pid 20573] +++ exited with 0 +++ [pid 20572] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20572, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20574 ./strace-static-x86_64: Process 20574 attached [pid 20574] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20574] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20574] setpgid(0, 0) = 0 [pid 20574] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20574] write(3, "1000", 4) = 4 [pid 20574] close(3executing program ) = 0 [pid 20574] write(1, "executing program\n", 18) = 18 [pid 20574] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20574] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20574] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20574] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20574] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20574] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20574] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20575 attached => {parent_tid=[20575]}, 88) = 20575 [pid 20574] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20574] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20574] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20575] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20575] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20575] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20575] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20574] <... futex resumed>) = 0 [pid 20574] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20574] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20575] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20575] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20574] <... futex resumed>) = 0 [pid 20574] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20574] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20575] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20575] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20574] <... futex resumed>) = 0 [pid 20574] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20574] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20575] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20575] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20574] <... futex resumed>) = 0 [pid 20574] exit_group(0) = ? [pid 20575] +++ exited with 0 +++ [pid 20574] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20574, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20576 attached , child_tidptr=0x55557e841690) = 20576 [pid 20576] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20576] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20576] setpgid(0, 0) = 0 [pid 20576] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20576] write(3, "1000", 4) = 4 [pid 20576] close(3) = 0 executing program [pid 20576] write(1, "executing program\n", 18) = 18 [pid 20576] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20576] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20576] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20576] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20576] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20576] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20576] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20577 attached => {parent_tid=[20577]}, 88) = 20577 [pid 20577] set_robust_list(0x7f5486a549a0, 24 [pid 20576] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20577] <... set_robust_list resumed>) = 0 [pid 20576] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20577] rt_sigprocmask(SIG_SETMASK, [], [pid 20576] <... futex resumed>) = 0 [pid 20577] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20576] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20577] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20577] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20577] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20576] <... futex resumed>) = 0 [pid 20576] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20577] <... futex resumed>) = 0 [pid 20577] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20576] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20577] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20576] <... futex resumed>) = 0 [pid 20576] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20576] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20577] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20577] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20576] <... futex resumed>) = 0 [pid 20576] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20576] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20577] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20577] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20576] <... futex resumed>) = 0 [pid 20576] exit_group(0) = ? [pid 20577] +++ exited with 0 +++ [pid 20576] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20576, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20578 ./strace-static-x86_64: Process 20578 attached [pid 20578] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20578] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20578] setpgid(0, 0) = 0 [pid 20578] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20578] write(3, "1000", 4) = 4 [pid 20578] close(3) = 0 executing program [pid 20578] write(1, "executing program\n", 18) = 18 [pid 20578] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20578] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20578] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20578] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20578] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20578] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20578] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20579]}, 88) = 20579 ./strace-static-x86_64: Process 20579 attached [pid 20578] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20578] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20578] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20579] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20579] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20579] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20579] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20578] <... futex resumed>) = 0 [pid 20578] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20578] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20579] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20579] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20578] <... futex resumed>) = 0 [pid 20578] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20578] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20579] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20579] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20578] <... futex resumed>) = 0 [pid 20578] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20578] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20579] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20579] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20578] <... futex resumed>) = 0 [pid 20579] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20578] exit_group(0 [pid 20579] <... futex resumed>) = ? [pid 20578] <... exit_group resumed>) = ? [pid 20579] +++ exited with 0 +++ [pid 20578] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20578, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20580 attached , child_tidptr=0x55557e841690) = 20580 [pid 20580] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20580] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20580] setpgid(0, 0) = 0 [pid 20580] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20580] write(3, "1000", 4) = 4 [pid 20580] close(3) = 0 [pid 20580] write(1, "executing program\n", 18executing program ) = 18 [pid 20580] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20580] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20580] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20580] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20580] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20580] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20580] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20581 attached => {parent_tid=[20581]}, 88) = 20581 [pid 20580] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20580] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20580] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20581] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20581] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20581] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20581] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20581] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20580] <... futex resumed>) = 0 [pid 20580] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20581] <... futex resumed>) = 0 [pid 20580] <... futex resumed>) = 1 [pid 20581] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20580] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20581] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20581] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20580] <... futex resumed>) = 0 [pid 20581] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20580] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20581] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20580] <... futex resumed>) = 0 [pid 20581] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20580] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20581] <... futex resumed>) = 0 [pid 20580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20581] write(-1, "0x0000000000000001", 18 [pid 20580] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20581] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20581] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20581] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL) = 0 [pid 20580] <... futex resumed>) = 1 [pid 20581] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20580] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 20580] exit_group(0 [pid 20581] <... futex resumed>) = ? [pid 20580] <... exit_group resumed>) = ? [pid 20581] +++ exited with 0 +++ [pid 20580] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20580, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20582 attached , child_tidptr=0x55557e841690) = 20582 [pid 20582] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20582] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20582] setpgid(0, 0) = 0 [pid 20582] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20582] write(3, "1000", 4) = 4 [pid 20582] close(3) = 0 [pid 20582] write(1, "executing program\n", 18executing program ) = 18 [pid 20582] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20582] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20582] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20582] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20582] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20582] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20582] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20583 attached => {parent_tid=[20583]}, 88) = 20583 [pid 20583] set_robust_list(0x7f5486a549a0, 24 [pid 20582] rt_sigprocmask(SIG_SETMASK, [], [pid 20583] <... set_robust_list resumed>) = 0 [pid 20582] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20583] rt_sigprocmask(SIG_SETMASK, [], [pid 20582] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20583] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20582] <... futex resumed>) = 0 [pid 20583] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20582] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20583] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20583] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20582] <... futex resumed>) = 0 [pid 20583] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20582] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20583] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20582] <... futex resumed>) = 0 [pid 20583] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20582] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20583] <... futex resumed>) = 0 [pid 20582] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20583] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20582] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20583] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20582] <... futex resumed>) = 0 [pid 20583] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20582] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20583] <... futex resumed>) = 0 [pid 20582] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20583] write(-1, "0x0000000000000001", 18 [pid 20582] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20582] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20583] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20583] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20582] <... futex resumed>) = 0 [pid 20583] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20582] exit_group(0 [pid 20583] <... futex resumed>) = ? [pid 20582] <... exit_group resumed>) = ? [pid 20583] +++ exited with 0 +++ [pid 20582] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20582, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20584 attached , child_tidptr=0x55557e841690) = 20584 [pid 20584] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20584] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20584] setpgid(0, 0) = 0 [pid 20584] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20584] write(3, "1000", 4) = 4 [pid 20584] close(3) = 0 executing program [pid 20584] write(1, "executing program\n", 18) = 18 [pid 20584] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20584] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20584] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20584] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20584] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20584] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20584] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20585]}, 88) = 20585 [pid 20584] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20584] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20584] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20585 attached [pid 20585] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20585] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20585] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20585] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20584] <... futex resumed>) = 0 [pid 20584] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20584] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20585] <... futex resumed>) = 1 [pid 20585] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20585] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20584] <... futex resumed>) = 0 [pid 20584] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20584] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20585] <... futex resumed>) = 1 [pid 20585] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20585] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20584] <... futex resumed>) = 0 [pid 20584] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20584] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20585] <... futex resumed>) = 1 [pid 20585] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20585] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20584] <... futex resumed>) = 0 [pid 20584] exit_group(0) = ? [pid 20585] <... futex resumed>) = ? [pid 20585] +++ exited with 0 +++ [pid 20584] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20584, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20586 attached , child_tidptr=0x55557e841690) = 20586 [pid 20586] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20586] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20586] setpgid(0, 0) = 0 [pid 20586] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20586] write(3, "1000", 4executing program ) = 4 [pid 20586] close(3) = 0 [pid 20586] write(1, "executing program\n", 18) = 18 [pid 20586] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20586] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20586] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20586] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20586] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20586] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20586] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20587]}, 88) = 20587 ./strace-static-x86_64: Process 20587 attached [pid 20586] rt_sigprocmask(SIG_SETMASK, [], [pid 20587] set_robust_list(0x7f5486a549a0, 24 [pid 20586] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20586] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20587] <... set_robust_list resumed>) = 0 [pid 20587] rt_sigprocmask(SIG_SETMASK, [], [pid 20586] <... futex resumed>) = 0 [pid 20587] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20586] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20587] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20587] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20586] <... futex resumed>) = 0 [pid 20586] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20586] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20587] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20587] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20586] <... futex resumed>) = 0 [pid 20586] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20586] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20587] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20587] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20586] <... futex resumed>) = 0 [pid 20586] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20586] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20587] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20587] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20586] <... futex resumed>) = 0 [pid 20586] exit_group(0) = ? [pid 20587] +++ exited with 0 +++ [pid 20586] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20586, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20588 attached , child_tidptr=0x55557e841690) = 20588 [pid 20588] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20588] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20588] setpgid(0, 0) = 0 [pid 20588] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20588] write(3, "1000", 4) = 4 [pid 20588] close(3) = 0 [pid 20588] write(1, "executing program\n", 18executing program ) = 18 [pid 20588] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20588] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20588] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20588] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20588] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20588] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20588] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20589 attached => {parent_tid=[20589]}, 88) = 20589 [pid 20588] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20588] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20588] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20589] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20589] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20589] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20589] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20588] <... futex resumed>) = 0 [pid 20588] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20588] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20589] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20589] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20588] <... futex resumed>) = 0 [pid 20588] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20588] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20589] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20589] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20588] <... futex resumed>) = 0 [pid 20588] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20588] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20589] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20589] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20588] <... futex resumed>) = 0 [pid 20588] exit_group(0) = ? [pid 20589] +++ exited with 0 +++ [pid 20588] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20588, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20590 ./strace-static-x86_64: Process 20590 attached [pid 20590] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20590] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20590] setpgid(0, 0) = 0 [pid 20590] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20590] write(3, "1000", 4) = 4 [pid 20590] close(3executing program ) = 0 [pid 20590] write(1, "executing program\n", 18) = 18 [pid 20590] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20590] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20590] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20590] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20590] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20590] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20590] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20591]}, 88) = 20591 ./strace-static-x86_64: Process 20591 attached [pid 20590] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20590] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20590] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20591] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20591] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20591] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20591] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20590] <... futex resumed>) = 0 [pid 20591] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20590] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20591] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20590] <... futex resumed>) = 0 [pid 20591] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20590] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20591] <... futex resumed>) = 0 [pid 20590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20591] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20590] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20591] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20590] <... futex resumed>) = 0 [pid 20591] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20590] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20591] <... futex resumed>) = 0 [pid 20590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20591] write(-1, "0x0000000000000001", 18 [pid 20590] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20591] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20590] <... futex resumed>) = 0 [pid 20591] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20590] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20591] <... futex resumed>) = 0 [pid 20590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20591] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20590] exit_group(0 [pid 20591] <... futex resumed>) = ? [pid 20590] <... exit_group resumed>) = ? [pid 20591] +++ exited with 0 +++ [pid 20590] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20590, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20592 attached [pid 20592] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20592] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20592] setpgid(0, 0) = 0 [pid 20592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 20592 [pid 20592] write(3, "1000", 4) = 4 [pid 20592] close(3) = 0 executing program [pid 20592] write(1, "executing program\n", 18) = 18 [pid 20592] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20592] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20592] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20592] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20592] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20592] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20592] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20593 attached => {parent_tid=[20593]}, 88) = 20593 [pid 20592] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20592] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20592] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20593] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20593] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20593] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20593] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20592] <... futex resumed>) = 0 [pid 20593] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20592] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20593] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20592] <... futex resumed>) = 0 [pid 20593] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20592] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20593] <... futex resumed>) = 0 [pid 20592] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20593] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20592] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20593] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20592] <... futex resumed>) = 0 [pid 20593] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20592] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20593] <... futex resumed>) = 0 [pid 20592] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20593] write(-1, "0x0000000000000001", 18 [pid 20592] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20593] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20592] <... futex resumed>) = 0 [pid 20593] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20592] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20593] <... futex resumed>) = 0 [pid 20593] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20592] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20592] exit_group(0 [pid 20593] <... futex resumed>) = ? [pid 20592] <... exit_group resumed>) = ? [pid 20593] +++ exited with 0 +++ [pid 20592] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20592, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20594 ./strace-static-x86_64: Process 20594 attached [pid 20594] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20594] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20594] setpgid(0, 0) = 0 [pid 20594] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20594] write(3, "1000", 4) = 4 [pid 20594] close(3) = 0 executing program [pid 20594] write(1, "executing program\n", 18) = 18 [pid 20594] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20594] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20594] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20594] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20594] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20594] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20594] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20595]}, 88) = 20595 ./strace-static-x86_64: Process 20595 attached [pid 20594] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20594] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20594] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20595] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20595] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20595] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20595] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20594] <... futex resumed>) = 0 [pid 20594] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20594] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20595] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20595] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20594] <... futex resumed>) = 0 [pid 20594] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20594] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20595] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20595] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20594] <... futex resumed>) = 0 [pid 20594] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20594] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20595] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20595] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20594] <... futex resumed>) = 0 [pid 20594] exit_group(0) = ? [pid 20595] +++ exited with 0 +++ [pid 20594] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20594, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20596 ./strace-static-x86_64: Process 20596 attached [pid 20596] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20596] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20596] setpgid(0, 0) = 0 [pid 20596] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20596] write(3, "1000", 4) = 4 [pid 20596] close(3) = 0 [pid 20596] write(1, "executing program\n", 18executing program ) = 18 [pid 20596] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20596] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20596] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20596] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20596] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20596] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20596] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20597 attached => {parent_tid=[20597]}, 88) = 20597 [pid 20596] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20596] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20596] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20597] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20597] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20597] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20597] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20596] <... futex resumed>) = 0 [pid 20596] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20596] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20597] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20597] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20596] <... futex resumed>) = 0 [pid 20596] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20596] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20597] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20597] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20596] <... futex resumed>) = 0 [pid 20596] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20596] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20597] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20597] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20596] <... futex resumed>) = 0 [pid 20596] exit_group(0) = ? [pid 20597] +++ exited with 0 +++ [pid 20596] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20596, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20598 attached [pid 20598] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20598] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 20598 [pid 20598] <... prctl resumed>) = 0 [pid 20598] setpgid(0, 0) = 0 [pid 20598] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20598] write(3, "1000", 4) = 4 [pid 20598] close(3) = 0 [pid 20598] write(1, "executing program\n", 18executing program ) = 18 [pid 20598] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20598] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20598] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20598] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20598] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20598] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20598] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20599 attached => {parent_tid=[20599]}, 88) = 20599 [pid 20599] set_robust_list(0x7f5486a549a0, 24 [pid 20598] rt_sigprocmask(SIG_SETMASK, [], [pid 20599] <... set_robust_list resumed>) = 0 [pid 20598] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20599] rt_sigprocmask(SIG_SETMASK, [], [pid 20598] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20599] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20598] <... futex resumed>) = 0 [pid 20599] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20598] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20599] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20599] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20598] <... futex resumed>) = 0 [pid 20598] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20598] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20599] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20599] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20598] <... futex resumed>) = 0 [pid 20598] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20598] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20599] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20599] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20598] <... futex resumed>) = 0 [pid 20598] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20598] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20599] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20599] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20598] <... futex resumed>) = 0 [pid 20598] exit_group(0) = ? [pid 20599] +++ exited with 0 +++ [pid 20598] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20598, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20600 attached [pid 20600] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20600] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20600] setpgid(0, 0) = 0 [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 20600 [pid 20600] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20600] write(3, "1000", 4) = 4 [pid 20600] close(3) = 0 [pid 20600] write(1, "executing program\n", 18) = 18 executing program [pid 20600] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20600] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20600] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20600] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20600] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20600] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20600] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20601 attached => {parent_tid=[20601]}, 88) = 20601 [pid 20601] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20601] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20601] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20600] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20600] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20601] <... futex resumed>) = 0 [pid 20600] <... futex resumed>) = 1 [pid 20601] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20600] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20601] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20601] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20600] <... futex resumed>) = 0 [pid 20601] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20600] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20601] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20600] <... futex resumed>) = 0 [pid 20601] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20600] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20601] <... futex resumed>) = 0 [pid 20600] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20601] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20600] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20601] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20600] <... futex resumed>) = 0 [pid 20601] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20600] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20601] <... futex resumed>) = 0 [pid 20600] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20601] write(-1, "0x0000000000000001", 18 [pid 20600] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20600] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20601] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20601] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20600] <... futex resumed>) = 0 [pid 20601] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20600] exit_group(0 [pid 20601] <... futex resumed>) = ? [pid 20600] <... exit_group resumed>) = ? [pid 20601] +++ exited with 0 +++ [pid 20600] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20600, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20602 ./strace-static-x86_64: Process 20602 attached [pid 20602] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20602] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20602] setpgid(0, 0) = 0 [pid 20602] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20602] write(3, "1000", 4) = 4 [pid 20602] close(3executing program ) = 0 [pid 20602] write(1, "executing program\n", 18) = 18 [pid 20602] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20602] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20602] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20602] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20602] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20602] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20602] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20603]}, 88) = 20603 ./strace-static-x86_64: Process 20603 attached [pid 20602] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20602] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20602] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20603] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20603] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20603] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20603] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20602] <... futex resumed>) = 0 [pid 20603] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20602] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20603] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20602] <... futex resumed>) = 0 [pid 20603] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20602] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20603] <... futex resumed>) = 0 [pid 20602] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20603] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20602] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20603] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20602] <... futex resumed>) = 0 [pid 20603] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20602] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20603] <... futex resumed>) = 0 [pid 20602] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20603] write(-1, "0x0000000000000001", 18 [pid 20602] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20603] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20602] <... futex resumed>) = 0 [pid 20603] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20602] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20603] <... futex resumed>) = 0 [pid 20602] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20603] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20602] exit_group(0 [pid 20603] <... futex resumed>) = ? [pid 20602] <... exit_group resumed>) = ? [pid 20603] +++ exited with 0 +++ [pid 20602] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20602, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20604 attached , child_tidptr=0x55557e841690) = 20604 [pid 20604] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20604] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20604] setpgid(0, 0) = 0 [pid 20604] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20604] write(3, "1000", 4) = 4 [pid 20604] close(3) = 0 [pid 20604] write(1, "executing program\n", 18executing program ) = 18 [pid 20604] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20604] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20604] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20604] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20604] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20604] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20604] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20605 attached => {parent_tid=[20605]}, 88) = 20605 [pid 20605] set_robust_list(0x7f5486a549a0, 24 [pid 20604] rt_sigprocmask(SIG_SETMASK, [], [pid 20605] <... set_robust_list resumed>) = 0 [pid 20604] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20605] rt_sigprocmask(SIG_SETMASK, [], [pid 20604] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20605] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20604] <... futex resumed>) = 0 [pid 20605] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20604] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20605] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20605] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20604] <... futex resumed>) = 0 [pid 20605] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20604] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20605] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20604] <... futex resumed>) = 0 [pid 20605] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20604] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20605] <... futex resumed>) = 0 [pid 20604] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20605] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20604] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20605] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20604] <... futex resumed>) = 0 [pid 20605] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20604] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20605] <... futex resumed>) = 0 [pid 20604] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20605] write(-1, "0x0000000000000001", 18 [pid 20604] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20605] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20604] <... futex resumed>) = 0 [pid 20605] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20604] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20605] <... futex resumed>) = 0 [pid 20604] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20605] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20604] exit_group(0 [pid 20605] <... futex resumed>) = ? [pid 20604] <... exit_group resumed>) = ? [pid 20605] +++ exited with 0 +++ [pid 20604] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20604, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20606 attached [pid 20606] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20606] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20606] setpgid(0, 0) = 0 [pid 20606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20606] write(3, "1000", 4) = 4 [pid 20606] close(3) = 0 executing program [pid 20606] write(1, "executing program\n", 18) = 18 [pid 20606] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20606] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20606] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20606] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20606] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20606] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20606] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 20606 [pid 20606] <... clone3 resumed> => {parent_tid=[20607]}, 88) = 20607 ./strace-static-x86_64: Process 20607 attached [pid 20606] rt_sigprocmask(SIG_SETMASK, [], [pid 20607] set_robust_list(0x7f5486a549a0, 24 [pid 20606] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20607] <... set_robust_list resumed>) = 0 [pid 20606] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20607] rt_sigprocmask(SIG_SETMASK, [], [pid 20606] <... futex resumed>) = 0 [pid 20607] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20606] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20607] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20607] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20606] <... futex resumed>) = 0 [pid 20607] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20606] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20607] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20606] <... futex resumed>) = 0 [pid 20607] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20606] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20607] <... futex resumed>) = 0 [pid 20606] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20607] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20606] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20607] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20606] <... futex resumed>) = 0 [pid 20607] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20606] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20607] <... futex resumed>) = 0 [pid 20606] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20607] write(-1, "0x0000000000000001", 18 [pid 20606] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20607] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20606] <... futex resumed>) = 0 [pid 20607] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20606] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20607] <... futex resumed>) = 0 [pid 20606] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20607] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20606] exit_group(0 [pid 20607] <... futex resumed>) = ? [pid 20606] <... exit_group resumed>) = ? [pid 20607] +++ exited with 0 +++ [pid 20606] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20606, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20608 ./strace-static-x86_64: Process 20608 attached [pid 20608] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20608] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20608] setpgid(0, 0) = 0 [pid 20608] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20608] write(3, "1000", 4) = 4 [pid 20608] close(3) = 0 executing program [pid 20608] write(1, "executing program\n", 18) = 18 [pid 20608] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20608] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20608] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20608] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20608] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20608] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20608] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20609]}, 88) = 20609 [pid 20608] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20608] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20608] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20609 attached [pid 20609] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20609] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20609] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20609] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20608] <... futex resumed>) = 0 [pid 20608] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20608] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20609] <... futex resumed>) = 1 [pid 20609] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20609] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20608] <... futex resumed>) = 0 [pid 20608] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20608] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20609] <... futex resumed>) = 1 [pid 20609] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20609] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20608] <... futex resumed>) = 0 [pid 20608] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20608] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20609] <... futex resumed>) = 1 [pid 20609] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20609] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20608] <... futex resumed>) = 0 [pid 20608] exit_group(0) = ? [pid 20609] <... futex resumed>) = ? [pid 20609] +++ exited with 0 +++ [pid 20608] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20608, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20610 ./strace-static-x86_64: Process 20610 attached [pid 20610] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20610] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20610] setpgid(0, 0) = 0 [pid 20610] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20610] write(3, "1000", 4) = 4 [pid 20610] close(3executing program ) = 0 [pid 20610] write(1, "executing program\n", 18) = 18 [pid 20610] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20610] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20610] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20610] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20610] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20610] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20610] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20611]}, 88) = 20611 [pid 20610] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20610] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20610] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20611 attached [pid 20611] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20611] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20611] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20611] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20610] <... futex resumed>) = 0 [pid 20610] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20610] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20611] <... futex resumed>) = 1 [pid 20611] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20611] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20610] <... futex resumed>) = 0 [pid 20610] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20610] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20611] <... futex resumed>) = 1 [pid 20611] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20611] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20610] <... futex resumed>) = 0 [pid 20610] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20610] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20611] <... futex resumed>) = 1 [pid 20611] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20611] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20610] <... futex resumed>) = 0 [pid 20611] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20610] exit_group(0 [pid 20611] <... futex resumed>) = ? [pid 20610] <... exit_group resumed>) = ? [pid 20611] +++ exited with 0 +++ [pid 20610] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20610, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20612 ./strace-static-x86_64: Process 20612 attached [pid 20612] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20612] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20612] setpgid(0, 0) = 0 [pid 20612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20612] write(3, "1000", 4) = 4 [pid 20612] close(3) = 0 [pid 20612] write(1, "executing program\n", 18executing program ) = 18 [pid 20612] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20612] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20612] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20612] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20612] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20612] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20612] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20613]}, 88) = 20613 ./strace-static-x86_64: Process 20613 attached [pid 20612] rt_sigprocmask(SIG_SETMASK, [], [pid 20613] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20613] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20613] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20612] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20612] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20613] <... futex resumed>) = 0 [pid 20613] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20612] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20613] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20613] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20612] <... futex resumed>) = 0 [pid 20612] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20612] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20613] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20613] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20612] <... futex resumed>) = 0 [pid 20612] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20612] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20613] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20613] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20612] <... futex resumed>) = 0 [pid 20612] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20612] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20613] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20613] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20612] <... futex resumed>) = 0 [pid 20612] exit_group(0) = ? [pid 20613] +++ exited with 0 +++ [pid 20612] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20612, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20614 ./strace-static-x86_64: Process 20614 attached [pid 20614] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20614] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20614] setpgid(0, 0) = 0 [pid 20614] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20614] write(3, "1000", 4) = 4 [pid 20614] close(3) = 0 executing program [pid 20614] write(1, "executing program\n", 18) = 18 [pid 20614] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20614] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20614] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20614] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20614] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20614] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20614] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20615 attached => {parent_tid=[20615]}, 88) = 20615 [pid 20615] set_robust_list(0x7f5486a549a0, 24 [pid 20614] rt_sigprocmask(SIG_SETMASK, [], [pid 20615] <... set_robust_list resumed>) = 0 [pid 20614] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20615] rt_sigprocmask(SIG_SETMASK, [], [pid 20614] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20615] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20614] <... futex resumed>) = 0 [pid 20615] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20614] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20615] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20615] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20614] <... futex resumed>) = 0 [pid 20614] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20614] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20615] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20615] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20614] <... futex resumed>) = 0 [pid 20614] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20614] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20615] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20615] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20614] <... futex resumed>) = 0 [pid 20614] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20614] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20615] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20615] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20615] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20614] <... futex resumed>) = 0 [pid 20614] exit_group(0) = ? [pid 20615] <... futex resumed>) = ? [pid 20615] +++ exited with 0 +++ [pid 20614] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20614, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20616 ./strace-static-x86_64: Process 20616 attached [pid 20616] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20616] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20616] setpgid(0, 0) = 0 [pid 20616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20616] write(3, "1000", 4) = 4 [pid 20616] close(3) = 0 [pid 20616] write(1, "executing program\n", 18executing program ) = 18 [pid 20616] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20616] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20616] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20616] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20616] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20616] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20616] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20617]}, 88) = 20617 ./strace-static-x86_64: Process 20617 attached [pid 20617] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20617] rt_sigprocmask(SIG_SETMASK, [], [pid 20616] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20616] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20616] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20617] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20617] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20617] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20616] <... futex resumed>) = 0 [pid 20617] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20616] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20617] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20616] <... futex resumed>) = 0 [pid 20617] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20616] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20617] <... futex resumed>) = 0 [pid 20616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20617] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20616] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20617] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20616] <... futex resumed>) = 0 [pid 20617] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20616] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20617] <... futex resumed>) = 0 [pid 20616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20617] write(-1, "0x0000000000000001", 18 [pid 20616] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20617] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20616] <... futex resumed>) = 0 [pid 20617] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20616] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20617] <... futex resumed>) = 0 [pid 20616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20617] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20616] exit_group(0 [pid 20617] <... futex resumed>) = ? [pid 20616] <... exit_group resumed>) = ? [pid 20617] +++ exited with 0 +++ [pid 20616] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20616, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20618 attached , child_tidptr=0x55557e841690) = 20618 [pid 20618] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20618] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20618] setpgid(0, 0) = 0 [pid 20618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20618] write(3, "1000", 4executing program ) = 4 [pid 20618] close(3) = 0 [pid 20618] write(1, "executing program\n", 18) = 18 [pid 20618] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20618] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20618] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20618] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20618] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20618] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20618] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20619]}, 88) = 20619 [pid 20618] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20618] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20618] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20619 attached [pid 20619] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20619] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20619] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20619] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20618] <... futex resumed>) = 0 [pid 20618] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20618] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20619] <... futex resumed>) = 1 [pid 20619] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20619] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20618] <... futex resumed>) = 0 [pid 20618] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20618] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20619] <... futex resumed>) = 1 [pid 20619] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20619] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20618] <... futex resumed>) = 0 [pid 20618] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20618] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20619] <... futex resumed>) = 1 [pid 20619] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20619] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20618] <... futex resumed>) = 0 [pid 20618] exit_group(0) = ? [pid 20619] <... futex resumed>) = ? [pid 20619] +++ exited with 0 +++ [pid 20618] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20618, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20620 attached , child_tidptr=0x55557e841690) = 20620 [pid 20620] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20620] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20620] setpgid(0, 0) = 0 [pid 20620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20620] write(3, "1000", 4) = 4 [pid 20620] close(3executing program ) = 0 [pid 20620] write(1, "executing program\n", 18) = 18 [pid 20620] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20620] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20620] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20620] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20620] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20620] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20620] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20621]}, 88) = 20621 ./strace-static-x86_64: Process 20621 attached [pid 20620] rt_sigprocmask(SIG_SETMASK, [], [pid 20621] set_robust_list(0x7f5486a549a0, 24 [pid 20620] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20621] <... set_robust_list resumed>) = 0 [pid 20621] rt_sigprocmask(SIG_SETMASK, [], [pid 20620] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20621] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20620] <... futex resumed>) = 0 [pid 20621] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20620] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20621] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20621] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20620] <... futex resumed>) = 0 [pid 20620] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20620] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20621] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20621] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20620] <... futex resumed>) = 0 [pid 20620] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20620] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20621] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20621] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20620] <... futex resumed>) = 0 [pid 20620] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20620] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20621] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20621] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20620] <... futex resumed>) = 0 [pid 20620] exit_group(0) = ? [pid 20621] +++ exited with 0 +++ [pid 20620] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20620, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20622 attached , child_tidptr=0x55557e841690) = 20622 [pid 20622] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20622] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20622] setpgid(0, 0) = 0 [pid 20622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20622] write(3, "1000", 4) = 4 [pid 20622] close(3) = 0 [pid 20622] write(1, "executing program\n", 18executing program ) = 18 [pid 20622] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20622] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20622] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20622] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20622] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20622] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20622] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20623 attached => {parent_tid=[20623]}, 88) = 20623 [pid 20623] set_robust_list(0x7f5486a549a0, 24 [pid 20622] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20623] <... set_robust_list resumed>) = 0 [pid 20622] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20623] rt_sigprocmask(SIG_SETMASK, [], [pid 20622] <... futex resumed>) = 0 [pid 20623] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20622] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20623] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20623] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20622] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20622] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20622] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20623] <... futex resumed>) = 1 [pid 20622] <... futex resumed>) = 0 [pid 20623] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20622] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=49000000} [pid 20623] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20623] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20622] <... futex resumed>) = 0 [pid 20622] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20622] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20623] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20623] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20622] <... futex resumed>) = 0 [pid 20622] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20622] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20623] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20623] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20622] <... futex resumed>) = 0 [pid 20622] exit_group(0) = ? [pid 20623] +++ exited with 0 +++ [pid 20622] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20622, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20624 attached [pid 20624] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20624] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20624] setpgid(0, 0) = 0 [pid 20624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 20624 [pid 20624] write(3, "1000", 4) = 4 [pid 20624] close(3executing program ) = 0 [pid 20624] write(1, "executing program\n", 18) = 18 [pid 20624] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20624] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20624] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20624] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20624] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20624] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20624] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20625]}, 88) = 20625 [pid 20624] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20624] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20624] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20625 attached [pid 20625] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20625] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20625] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20625] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20624] <... futex resumed>) = 0 [pid 20624] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20624] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20625] <... futex resumed>) = 1 [pid 20625] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20625] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20624] <... futex resumed>) = 0 [pid 20624] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20624] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20625] <... futex resumed>) = 1 [pid 20625] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20625] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20624] <... futex resumed>) = 0 [pid 20624] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20624] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20625] <... futex resumed>) = 1 [pid 20625] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20625] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20624] <... futex resumed>) = 0 [pid 20624] exit_group(0) = ? [pid 20625] <... futex resumed>) = ? [pid 20625] +++ exited with 0 +++ [pid 20624] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20624, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20626 ./strace-static-x86_64: Process 20626 attached [pid 20626] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20626] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20626] setpgid(0, 0) = 0 [pid 20626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20626] write(3, "1000", 4) = 4 [pid 20626] close(3) = 0 [pid 20626] write(1, "executing program\n", 18executing program ) = 18 [pid 20626] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20626] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20626] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20626] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20626] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20626] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20626] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20627]}, 88) = 20627 [pid 20626] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20626] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20626] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20627 attached [pid 20627] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20627] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20627] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20626] <... futex resumed>) = 0 [pid 20626] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20626] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20627] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20627] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20626] <... futex resumed>) = 0 [pid 20626] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20626] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20627] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20627] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20626] <... futex resumed>) = 0 [pid 20626] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20626] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20627] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20627] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20626] <... futex resumed>) = 0 [pid 20626] exit_group(0) = ? [pid 20627] +++ exited with 0 +++ [pid 20626] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20626, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20628 attached [pid 20628] set_robust_list(0x55557e8416a0, 24) = 0 [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 20628 [pid 20628] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20628] setpgid(0, 0) = 0 [pid 20628] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20628] write(3, "1000", 4) = 4 [pid 20628] close(3) = 0 [pid 20628] write(1, "executing program\n", 18executing program ) = 18 [pid 20628] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20628] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20628] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20628] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20628] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20628] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20628] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20629 attached => {parent_tid=[20629]}, 88) = 20629 [pid 20629] set_robust_list(0x7f5486a549a0, 24 [pid 20628] rt_sigprocmask(SIG_SETMASK, [], [pid 20629] <... set_robust_list resumed>) = 0 [pid 20628] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20629] rt_sigprocmask(SIG_SETMASK, [], [pid 20628] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20629] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20628] <... futex resumed>) = 0 [pid 20629] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20628] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20629] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20629] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20628] <... futex resumed>) = 0 [pid 20628] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20628] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20629] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20629] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20628] <... futex resumed>) = 0 [pid 20628] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20628] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20629] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20629] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20628] <... futex resumed>) = 0 [pid 20628] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20628] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20629] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20629] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20628] <... futex resumed>) = 0 [pid 20628] exit_group(0) = ? [pid 20629] +++ exited with 0 +++ [pid 20628] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20628, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20630 ./strace-static-x86_64: Process 20630 attached [pid 20630] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20630] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20630] setpgid(0, 0) = 0 [pid 20630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20630] write(3, "1000", 4) = 4 [pid 20630] close(3) = 0 [pid 20630] write(1, "executing program\n", 18executing program ) = 18 [pid 20630] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20630] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20630] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20630] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20630] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20630] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20630] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20631 attached => {parent_tid=[20631]}, 88) = 20631 [pid 20630] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20630] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20630] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20631] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20631] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20631] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20631] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20630] <... futex resumed>) = 0 [pid 20630] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20630] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20631] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20631] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20630] <... futex resumed>) = 0 [pid 20630] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20630] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20631] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20631] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20630] <... futex resumed>) = 0 [pid 20630] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20630] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20631] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20631] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20630] <... futex resumed>) = 0 [pid 20630] exit_group(0) = ? [pid 20631] +++ exited with 0 +++ [pid 20630] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20630, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20632 ./strace-static-x86_64: Process 20632 attached [pid 20632] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20632] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20632] setpgid(0, 0) = 0 [pid 20632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20632] write(3, "1000", 4) = 4 executing program [pid 20632] close(3) = 0 [pid 20632] write(1, "executing program\n", 18) = 18 [pid 20632] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20632] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20632] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20632] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20632] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20632] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20632] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20633 attached => {parent_tid=[20633]}, 88) = 20633 [pid 20632] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20632] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20632] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20633] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20633] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20633] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20633] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20632] <... futex resumed>) = 0 [pid 20633] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20632] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20633] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20632] <... futex resumed>) = 0 [pid 20633] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20632] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20633] <... futex resumed>) = 0 [pid 20632] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20633] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20632] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20633] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20632] <... futex resumed>) = 0 [pid 20633] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20632] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20633] <... futex resumed>) = 0 [pid 20632] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20633] write(-1, "0x0000000000000001", 18 [pid 20632] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20633] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20632] <... futex resumed>) = 0 [pid 20633] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20632] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20633] <... futex resumed>) = 0 [pid 20632] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20633] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20632] exit_group(0 [pid 20633] <... futex resumed>) = ? [pid 20632] <... exit_group resumed>) = ? [pid 20633] +++ exited with 0 +++ [pid 20632] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20632, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20635 ./strace-static-x86_64: Process 20635 attached [pid 20635] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20635] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20635] setpgid(0, 0) = 0 [pid 20635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20635] write(3, "1000", 4) = 4 [pid 20635] close(3) = 0 executing program [pid 20635] write(1, "executing program\n", 18) = 18 [pid 20635] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20635] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20635] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20635] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20635] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20635] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20635] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20636]}, 88) = 20636 ./strace-static-x86_64: Process 20636 attached [pid 20635] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20635] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20635] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20636] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20636] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20636] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20636] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20635] <... futex resumed>) = 0 [pid 20636] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20635] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20636] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20635] <... futex resumed>) = 0 [pid 20636] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20635] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20636] <... futex resumed>) = 0 [pid 20635] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20636] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20635] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20636] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20635] <... futex resumed>) = 0 [pid 20636] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20635] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20636] <... futex resumed>) = 0 [pid 20635] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20636] write(-1, "0x0000000000000001", 18 [pid 20635] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20636] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20635] <... futex resumed>) = 0 [pid 20636] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20635] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20636] <... futex resumed>) = 0 [pid 20635] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20636] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20635] exit_group(0 [pid 20636] <... futex resumed>) = ? [pid 20635] <... exit_group resumed>) = ? [pid 20636] +++ exited with 0 +++ [pid 20635] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20635, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20637 ./strace-static-x86_64: Process 20637 attached [pid 20637] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20637] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20637] setpgid(0, 0) = 0 [pid 20637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20637] write(3, "1000", 4) = 4 executing program [pid 20637] close(3) = 0 [pid 20637] write(1, "executing program\n", 18) = 18 [pid 20637] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20637] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20637] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20637] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20637] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20637] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20637] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20638]}, 88) = 20638 [pid 20637] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20637] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20637] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20638 attached [pid 20638] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20638] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20638] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20638] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20637] <... futex resumed>) = 0 [pid 20637] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20637] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20638] <... futex resumed>) = 1 [pid 20638] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20638] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20637] <... futex resumed>) = 0 [pid 20637] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20637] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20638] <... futex resumed>) = 1 [pid 20638] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20638] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20637] <... futex resumed>) = 0 [pid 20637] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20637] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20638] <... futex resumed>) = 1 [pid 20638] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20638] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20637] <... futex resumed>) = 0 [pid 20637] exit_group(0) = ? [pid 20638] <... futex resumed>) = ? [pid 20638] +++ exited with 0 +++ [pid 20637] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20637, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20639 ./strace-static-x86_64: Process 20639 attached [pid 20639] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20639] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20639] setpgid(0, 0) = 0 [pid 20639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20639] write(3, "1000", 4) = 4 [pid 20639] close(3) = 0 executing program [pid 20639] write(1, "executing program\n", 18) = 18 [pid 20639] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20639] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20639] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20639] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20639] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20639] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20639] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20640]}, 88) = 20640 [pid 20639] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20639] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20639] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20640 attached [pid 20640] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20640] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20640] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20640] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20639] <... futex resumed>) = 0 [pid 20639] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20639] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20640] <... futex resumed>) = 1 [pid 20640] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20640] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20639] <... futex resumed>) = 0 [pid 20639] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20639] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20640] <... futex resumed>) = 1 [pid 20640] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20640] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20639] <... futex resumed>) = 0 [pid 20639] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20639] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20640] <... futex resumed>) = 1 [pid 20640] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20640] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20639] <... futex resumed>) = 0 [pid 20639] exit_group(0) = ? [pid 20640] <... futex resumed>) = ? [pid 20640] +++ exited with 0 +++ [pid 20639] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20639, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20641 ./strace-static-x86_64: Process 20641 attached [pid 20641] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20641] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20641] setpgid(0, 0) = 0 [pid 20641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20641] write(3, "1000", 4) = 4 executing program [pid 20641] close(3) = 0 [pid 20641] write(1, "executing program\n", 18) = 18 [pid 20641] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20641] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20641] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20641] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20641] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20641] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20641] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20642]}, 88) = 20642 ./strace-static-x86_64: Process 20642 attached [pid 20641] rt_sigprocmask(SIG_SETMASK, [], [pid 20642] set_robust_list(0x7f5486a549a0, 24 [pid 20641] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20641] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20641] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20642] <... set_robust_list resumed>) = 0 [pid 20642] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20642] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20642] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20641] <... futex resumed>) = 0 [pid 20641] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20641] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20642] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20642] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20641] <... futex resumed>) = 0 [pid 20641] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20641] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20642] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20642] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20641] <... futex resumed>) = 0 [pid 20641] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20641] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20642] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20642] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20641] <... futex resumed>) = 0 [pid 20641] exit_group(0) = ? [pid 20642] +++ exited with 0 +++ [pid 20641] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20641, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20643 ./strace-static-x86_64: Process 20643 attached [pid 20643] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20643] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20643] setpgid(0, 0) = 0 [pid 20643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20643] write(3, "1000", 4) = 4 [pid 20643] close(3executing program ) = 0 [pid 20643] write(1, "executing program\n", 18) = 18 [pid 20643] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20643] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20643] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20643] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20643] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20643] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20643] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20644 attached => {parent_tid=[20644]}, 88) = 20644 [pid 20643] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20643] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20643] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20644] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20644] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20644] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20644] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20643] <... futex resumed>) = 0 [pid 20643] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20643] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20644] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20644] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20643] <... futex resumed>) = 0 [pid 20643] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20643] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20644] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20644] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20643] <... futex resumed>) = 0 [pid 20643] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20643] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20644] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20644] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20643] <... futex resumed>) = 0 [pid 20643] exit_group(0) = ? [pid 20644] +++ exited with 0 +++ [pid 20643] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20643, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20645 ./strace-static-x86_64: Process 20645 attached [pid 20645] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20645] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20645] setpgid(0, 0) = 0 [pid 20645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20645] write(3, "1000", 4) = 4 [pid 20645] close(3) = 0 executing program [pid 20645] write(1, "executing program\n", 18) = 18 [pid 20645] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20645] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20645] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20645] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20645] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20645] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20645] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20646]}, 88) = 20646 ./strace-static-x86_64: Process 20646 attached [pid 20645] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20645] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20645] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20646] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20646] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20646] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20646] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20645] <... futex resumed>) = 0 [pid 20645] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20645] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20646] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20646] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20645] <... futex resumed>) = 0 [pid 20645] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20645] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20646] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20646] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20645] <... futex resumed>) = 0 [pid 20645] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20646] write(-1, "0x0000000000000001", 18 [pid 20645] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20646] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20646] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20645] <... futex resumed>) = 0 [pid 20646] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20645] exit_group(0 [pid 20646] <... futex resumed>) = ? [pid 20645] <... exit_group resumed>) = ? [pid 20646] +++ exited with 0 +++ [pid 20645] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20645, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20647 ./strace-static-x86_64: Process 20647 attached [pid 20647] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20647] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20647] setpgid(0, 0) = 0 [pid 20647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20647] write(3, "1000", 4) = 4 [pid 20647] close(3) = 0 executing program [pid 20647] write(1, "executing program\n", 18) = 18 [pid 20647] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20647] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20647] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20647] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20647] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20647] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20647] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20648 attached => {parent_tid=[20648]}, 88) = 20648 [pid 20648] set_robust_list(0x7f5486a549a0, 24 [pid 20647] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20647] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20647] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20648] <... set_robust_list resumed>) = 0 [pid 20648] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20648] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20648] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20648] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20647] <... futex resumed>) = 0 [pid 20647] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20648] <... futex resumed>) = 0 [pid 20647] <... futex resumed>) = 1 [pid 20648] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20647] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20648] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20648] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20647] <... futex resumed>) = 0 [pid 20648] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20647] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20648] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20647] <... futex resumed>) = 0 [pid 20648] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20647] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20648] <... futex resumed>) = 0 [pid 20647] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20648] write(-1, "0x0000000000000001", 18 [pid 20647] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20648] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20647] <... futex resumed>) = 0 [pid 20648] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20647] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20648] <... futex resumed>) = 0 [pid 20647] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20648] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20647] exit_group(0 [pid 20648] <... futex resumed>) = ? [pid 20647] <... exit_group resumed>) = ? [pid 20648] +++ exited with 0 +++ [pid 20647] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20647, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20649 attached , child_tidptr=0x55557e841690) = 20649 [pid 20649] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20649] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20649] setpgid(0, 0) = 0 [pid 20649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20649] write(3, "1000", 4) = 4 [pid 20649] close(3) = 0 [pid 20649] write(1, "executing program\n", 18executing program ) = 18 [pid 20649] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20649] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20649] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20649] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20649] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20649] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20649] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20650]}, 88) = 20650 ./strace-static-x86_64: Process 20650 attached [pid 20649] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20649] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20649] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20650] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20650] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20650] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20650] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20649] <... futex resumed>) = 0 [pid 20650] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20649] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20650] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20649] <... futex resumed>) = 0 [pid 20650] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20649] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20650] <... futex resumed>) = 0 [pid 20649] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20650] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20649] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20650] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20649] <... futex resumed>) = 0 [pid 20650] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20649] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20650] <... futex resumed>) = 0 [pid 20649] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20650] write(-1, "0x0000000000000001", 18 [pid 20649] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20650] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20649] <... futex resumed>) = 0 [pid 20650] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20649] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20650] <... futex resumed>) = 0 [pid 20649] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20650] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20649] exit_group(0 [pid 20650] <... futex resumed>) = ? [pid 20649] <... exit_group resumed>) = ? [pid 20650] +++ exited with 0 +++ [pid 20649] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20649, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20651 attached , child_tidptr=0x55557e841690) = 20651 [pid 20651] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20651] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20651] setpgid(0, 0) = 0 [pid 20651] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20651] write(3, "1000", 4) = 4 [pid 20651] close(3) = 0 executing program [pid 20651] write(1, "executing program\n", 18) = 18 [pid 20651] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20651] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20651] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20651] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20651] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20651] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20651] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20652 attached [pid 20652] set_robust_list(0x7f5486a549a0, 24 [pid 20651] <... clone3 resumed> => {parent_tid=[20652]}, 88) = 20652 [pid 20651] rt_sigprocmask(SIG_SETMASK, [], [pid 20652] <... set_robust_list resumed>) = 0 [pid 20651] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20652] rt_sigprocmask(SIG_SETMASK, [], [pid 20651] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20652] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20652] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20651] <... futex resumed>) = 0 [pid 20651] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20652] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20652] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20651] <... futex resumed>) = 0 [pid 20651] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20651] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20652] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20652] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20651] <... futex resumed>) = 0 [pid 20651] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20651] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20652] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20652] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20651] <... futex resumed>) = 0 [pid 20651] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20651] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20652] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20652] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20651] <... futex resumed>) = 0 [pid 20651] exit_group(0) = ? [pid 20652] +++ exited with 0 +++ [pid 20651] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20651, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20653 ./strace-static-x86_64: Process 20653 attached [pid 20653] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20653] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20653] setpgid(0, 0) = 0 [pid 20653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20653] write(3, "1000", 4) = 4 [pid 20653] close(3executing program ) = 0 [pid 20653] write(1, "executing program\n", 18) = 18 [pid 20653] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20653] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20653] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20653] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20653] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20653] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20653] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20654 attached [pid 20654] set_robust_list(0x7f5486a549a0, 24 [pid 20653] <... clone3 resumed> => {parent_tid=[20654]}, 88) = 20654 [pid 20653] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20653] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20653] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20654] <... set_robust_list resumed>) = 0 [pid 20654] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20654] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20654] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20653] <... futex resumed>) = 0 [pid 20653] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20653] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20654] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20654] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20653] <... futex resumed>) = 0 [pid 20653] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20653] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20654] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20654] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20653] <... futex resumed>) = 0 [pid 20653] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20653] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20654] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20654] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20654] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20653] <... futex resumed>) = 0 [pid 20653] exit_group(0 [pid 20654] <... futex resumed>) = ? [pid 20653] <... exit_group resumed>) = ? [pid 20654] +++ exited with 0 +++ [pid 20653] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20653, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20655 ./strace-static-x86_64: Process 20655 attached [pid 20655] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20655] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20655] setpgid(0, 0) = 0 [pid 20655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20655] write(3, "1000", 4) = 4 [pid 20655] close(3executing program ) = 0 [pid 20655] write(1, "executing program\n", 18) = 18 [pid 20655] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20655] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20655] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20655] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20655] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20655] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20655] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20656 attached => {parent_tid=[20656]}, 88) = 20656 [pid 20655] rt_sigprocmask(SIG_SETMASK, [], [pid 20656] set_robust_list(0x7f5486a549a0, 24 [pid 20655] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20656] <... set_robust_list resumed>) = 0 [pid 20655] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20656] rt_sigprocmask(SIG_SETMASK, [], [pid 20655] <... futex resumed>) = 0 [pid 20656] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20656] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20655] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20656] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20656] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20655] <... futex resumed>) = 0 [pid 20655] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20655] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20656] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20656] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20655] <... futex resumed>) = 0 [pid 20655] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20655] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20656] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20656] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20655] <... futex resumed>) = 0 [pid 20655] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20655] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20656] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20656] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20655] <... futex resumed>) = 0 [pid 20655] exit_group(0) = ? [pid 20656] +++ exited with 0 +++ [pid 20655] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20655, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20657 ./strace-static-x86_64: Process 20657 attached [pid 20657] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20657] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20657] setpgid(0, 0) = 0 [pid 20657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20657] write(3, "1000", 4) = 4 [pid 20657] close(3) = 0 executing program [pid 20657] write(1, "executing program\n", 18) = 18 [pid 20657] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20657] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20657] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20657] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20657] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20657] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20657] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20658]}, 88) = 20658 ./strace-static-x86_64: Process 20658 attached [pid 20657] rt_sigprocmask(SIG_SETMASK, [], [pid 20658] set_robust_list(0x7f5486a549a0, 24 [pid 20657] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20658] <... set_robust_list resumed>) = 0 [pid 20657] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20658] rt_sigprocmask(SIG_SETMASK, [], [pid 20657] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20658] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20658] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20658] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20657] <... futex resumed>) = 0 [pid 20657] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20657] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20658] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20658] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20657] <... futex resumed>) = 0 [pid 20657] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20657] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20658] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20658] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20657] <... futex resumed>) = 0 [pid 20657] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20657] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20658] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20658] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20657] <... futex resumed>) = 0 [pid 20657] exit_group(0) = ? [pid 20658] +++ exited with 0 +++ [pid 20657] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20657, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20659 attached , child_tidptr=0x55557e841690) = 20659 [pid 20659] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20659] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20659] setpgid(0, 0) = 0 [pid 20659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20659] write(3, "1000", 4) = 4 [pid 20659] close(3) = 0 executing program [pid 20659] write(1, "executing program\n", 18) = 18 [pid 20659] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20659] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20659] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20659] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20659] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20659] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20659] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20660]}, 88) = 20660 [pid 20659] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20659] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20659] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20660 attached [pid 20660] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20660] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20660] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20660] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20659] <... futex resumed>) = 0 [pid 20659] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20659] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20660] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20660] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20659] <... futex resumed>) = 0 [pid 20659] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20659] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20660] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20660] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20659] <... futex resumed>) = 0 [pid 20659] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20659] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20660] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20660] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20659] <... futex resumed>) = 0 [pid 20659] exit_group(0) = ? [pid 20660] +++ exited with 0 +++ [pid 20659] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20659, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20661 attached [pid 20661] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20661] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20661] setpgid(0, 0) = 0 [pid 20661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 20661 [pid 20661] <... openat resumed>) = 3 [pid 20661] write(3, "1000", 4) = 4 [pid 20661] close(3) = 0 executing program [pid 20661] write(1, "executing program\n", 18) = 18 [pid 20661] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20661] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20661] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20661] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20661] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20661] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20661] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20662]}, 88) = 20662 ./strace-static-x86_64: Process 20662 attached [pid 20661] rt_sigprocmask(SIG_SETMASK, [], [pid 20662] set_robust_list(0x7f5486a549a0, 24 [pid 20661] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20662] <... set_robust_list resumed>) = 0 [pid 20661] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20662] rt_sigprocmask(SIG_SETMASK, [], [pid 20661] <... futex resumed>) = 0 [pid 20662] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20661] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20662] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20662] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20661] <... futex resumed>) = 0 [pid 20661] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20661] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20662] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20662] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20661] <... futex resumed>) = 0 [pid 20661] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20661] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20662] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20662] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20661] <... futex resumed>) = 0 [pid 20661] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20661] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20662] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20662] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20661] <... futex resumed>) = 0 [pid 20661] exit_group(0) = ? [pid 20662] +++ exited with 0 +++ [pid 20661] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20661, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20663 ./strace-static-x86_64: Process 20663 attached [pid 20663] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20663] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20663] setpgid(0, 0) = 0 [pid 20663] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20663] write(3, "1000", 4) = 4 [pid 20663] close(3) = 0 [pid 20663] write(1, "executing program\n", 18) = 18 executing program [pid 20663] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20663] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20663] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20663] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20663] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20663] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20663] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20664]}, 88) = 20664 [pid 20663] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20663] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20663] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20664 attached [pid 20664] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20664] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20664] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20664] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20663] <... futex resumed>) = 0 [pid 20663] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20663] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20664] <... futex resumed>) = 1 [pid 20664] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20664] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20663] <... futex resumed>) = 0 [pid 20663] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20663] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20664] <... futex resumed>) = 1 [pid 20664] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20664] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20663] <... futex resumed>) = 0 [pid 20663] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20663] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20664] <... futex resumed>) = 1 [pid 20664] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20664] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20663] <... futex resumed>) = 0 [pid 20663] exit_group(0) = ? [pid 20664] <... futex resumed>) = ? [pid 20664] +++ exited with 0 +++ [pid 20663] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20663, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20665 attached , child_tidptr=0x55557e841690) = 20665 [pid 20665] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20665] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20665] setpgid(0, 0) = 0 [pid 20665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20665] write(3, "1000", 4) = 4 [pid 20665] close(3) = 0 [pid 20665] write(1, "executing program\n", 18executing program ) = 18 [pid 20665] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20665] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20665] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20665] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20665] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20665] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20665] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20666]}, 88) = 20666 [pid 20665] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20665] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20665] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20666 attached [pid 20666] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20666] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20666] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20666] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20665] <... futex resumed>) = 0 [pid 20665] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20665] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20666] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20666] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20665] <... futex resumed>) = 0 [pid 20665] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20665] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20666] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20666] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20665] <... futex resumed>) = 0 [pid 20665] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20665] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20666] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20666] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20665] <... futex resumed>) = 0 [pid 20665] exit_group(0) = ? [pid 20666] +++ exited with 0 +++ [pid 20665] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20665, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20667 ./strace-static-x86_64: Process 20667 attached [pid 20667] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20667] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20667] setpgid(0, 0) = 0 [pid 20667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20667] write(3, "1000", 4) = 4 [pid 20667] close(3) = 0 executing program [pid 20667] write(1, "executing program\n", 18) = 18 [pid 20667] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20667] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20667] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20667] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20667] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20667] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20667] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20668 attached => {parent_tid=[20668]}, 88) = 20668 [pid 20668] set_robust_list(0x7f5486a549a0, 24 [pid 20667] rt_sigprocmask(SIG_SETMASK, [], [pid 20668] <... set_robust_list resumed>) = 0 [pid 20667] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20668] rt_sigprocmask(SIG_SETMASK, [], [pid 20667] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20668] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20667] <... futex resumed>) = 0 [pid 20668] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20667] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20668] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20668] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20667] <... futex resumed>) = 0 [pid 20667] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20667] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20668] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20668] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20667] <... futex resumed>) = 0 [pid 20667] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20667] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20668] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20668] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20667] <... futex resumed>) = 0 [pid 20667] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20667] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20668] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20668] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20667] <... futex resumed>) = 0 [pid 20667] exit_group(0) = ? [pid 20668] +++ exited with 0 +++ [pid 20667] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20667, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20669 ./strace-static-x86_64: Process 20669 attached [pid 20669] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20669] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20669] setpgid(0, 0) = 0 [pid 20669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20669] write(3, "1000", 4) = 4 [pid 20669] close(3) = 0 executing program [pid 20669] write(1, "executing program\n", 18) = 18 [pid 20669] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20669] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20669] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20669] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20669] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20669] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20669] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20670]}, 88) = 20670 ./strace-static-x86_64: Process 20670 attached [pid 20670] set_robust_list(0x7f5486a549a0, 24 [pid 20669] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20670] <... set_robust_list resumed>) = 0 [pid 20670] rt_sigprocmask(SIG_SETMASK, [], [pid 20669] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20670] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20669] <... futex resumed>) = 0 [pid 20669] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20670] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20670] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20669] <... futex resumed>) = 0 [pid 20669] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20669] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20670] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20670] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20669] <... futex resumed>) = 0 [pid 20669] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20670] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20669] <... futex resumed>) = 0 [pid 20670] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20669] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20670] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20669] <... futex resumed>) = 0 [pid 20670] write(-1, "0x0000000000000001", 18 [pid 20669] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20669] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20670] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20670] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20670] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20669] <... futex resumed>) = 0 [pid 20669] exit_group(0 [pid 20670] <... futex resumed>) = ? [pid 20669] <... exit_group resumed>) = ? [pid 20670] +++ exited with 0 +++ [pid 20669] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20669, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20671 attached , child_tidptr=0x55557e841690) = 20671 [pid 20671] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20671] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20671] setpgid(0, 0) = 0 [pid 20671] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20671] write(3, "1000", 4) = 4 [pid 20671] close(3) = 0 executing program [pid 20671] write(1, "executing program\n", 18) = 18 [pid 20671] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20671] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20671] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20671] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20671] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20671] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20671] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20672 attached => {parent_tid=[20672]}, 88) = 20672 [pid 20672] set_robust_list(0x7f5486a549a0, 24 [pid 20671] rt_sigprocmask(SIG_SETMASK, [], [pid 20672] <... set_robust_list resumed>) = 0 [pid 20671] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20672] rt_sigprocmask(SIG_SETMASK, [], [pid 20671] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20672] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20671] <... futex resumed>) = 0 [pid 20672] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20671] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20672] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20672] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20671] <... futex resumed>) = 0 [pid 20672] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20671] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20672] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20671] <... futex resumed>) = 0 [pid 20672] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20671] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20672] <... futex resumed>) = 0 [pid 20671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20672] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20671] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20672] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20671] <... futex resumed>) = 0 [pid 20672] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20671] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20672] <... futex resumed>) = 0 [pid 20671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20672] write(-1, "0x0000000000000001", 18 [pid 20671] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20672] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20671] <... futex resumed>) = 0 [pid 20672] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20671] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20672] <... futex resumed>) = 0 [pid 20671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20672] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20671] exit_group(0 [pid 20672] <... futex resumed>) = ? [pid 20671] <... exit_group resumed>) = ? [pid 20672] +++ exited with 0 +++ [pid 20671] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20671, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20673 attached [pid 20673] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20673] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20673] setpgid(0, 0) = 0 [pid 20673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 20673 [pid 20673] <... openat resumed>) = 3 [pid 20673] write(3, "1000", 4) = 4 [pid 20673] close(3) = 0 executing program [pid 20673] write(1, "executing program\n", 18) = 18 [pid 20673] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20673] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20673] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20673] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20673] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20673] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20673] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20674]}, 88) = 20674 [pid 20673] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20673] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20673] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20674 attached [pid 20674] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20674] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20674] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20674] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20673] <... futex resumed>) = 0 [pid 20673] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20673] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20674] <... futex resumed>) = 1 [pid 20674] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20674] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20673] <... futex resumed>) = 0 [pid 20673] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20673] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20674] <... futex resumed>) = 1 [pid 20674] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20674] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20673] <... futex resumed>) = 0 [pid 20673] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20673] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20674] <... futex resumed>) = 1 [pid 20674] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20674] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20673] <... futex resumed>) = 0 [pid 20673] exit_group(0) = ? [pid 20674] <... futex resumed>) = ? [pid 20674] +++ exited with 0 +++ [pid 20673] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20673, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20675 ./strace-static-x86_64: Process 20675 attached [pid 20675] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20675] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20675] setpgid(0, 0) = 0 [pid 20675] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20675] write(3, "1000", 4) = 4 [pid 20675] close(3) = 0 [pid 20675] write(1, "executing program\n", 18executing program ) = 18 [pid 20675] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20675] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20675] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20675] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20675] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20675] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20675] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20676]}, 88) = 20676 ./strace-static-x86_64: Process 20676 attached [pid 20675] rt_sigprocmask(SIG_SETMASK, [], [pid 20676] set_robust_list(0x7f5486a549a0, 24 [pid 20675] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20676] <... set_robust_list resumed>) = 0 [pid 20675] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20676] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20675] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20676] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20676] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20675] <... futex resumed>) = 0 [pid 20675] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20675] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20676] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20676] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20675] <... futex resumed>) = 0 [pid 20675] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20675] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20676] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20676] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20675] <... futex resumed>) = 0 [pid 20675] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20675] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20676] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20676] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20675] <... futex resumed>) = 0 [pid 20675] exit_group(0) = ? [pid 20676] +++ exited with 0 +++ [pid 20675] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20675, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20677 ./strace-static-x86_64: Process 20677 attached [pid 20677] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20677] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20677] setpgid(0, 0) = 0 [pid 20677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20677] write(3, "1000", 4) = 4 [pid 20677] close(3executing program ) = 0 [pid 20677] write(1, "executing program\n", 18) = 18 [pid 20677] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20677] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20677] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20677] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20677] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20677] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20677] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20678 attached => {parent_tid=[20678]}, 88) = 20678 [pid 20677] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20677] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20677] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20678] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20678] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20678] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20678] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20677] <... futex resumed>) = 0 [pid 20677] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20677] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20678] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20678] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20677] <... futex resumed>) = 0 [pid 20677] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20677] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20678] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20678] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20677] <... futex resumed>) = 0 [pid 20677] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20677] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20678] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20678] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20677] <... futex resumed>) = 0 [pid 20677] exit_group(0) = ? [pid 20678] +++ exited with 0 +++ [pid 20677] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20677, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20679 ./strace-static-x86_64: Process 20679 attached [pid 20679] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20679] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20679] setpgid(0, 0) = 0 [pid 20679] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20679] write(3, "1000", 4) = 4 [pid 20679] close(3) = 0 executing program [pid 20679] write(1, "executing program\n", 18) = 18 [pid 20679] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20679] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20679] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20679] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20679] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20679] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20679] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20680]}, 88) = 20680 [pid 20679] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20679] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20679] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20680 attached [pid 20680] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20680] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20680] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20680] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20679] <... futex resumed>) = 0 [pid 20679] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20680] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20679] <... futex resumed>) = 0 [pid 20680] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20679] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20680] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20680] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20679] <... futex resumed>) = 0 [pid 20679] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20680] <... futex resumed>) = 0 [pid 20679] <... futex resumed>) = 1 [pid 20680] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20680] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20680] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20679] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 20679] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20680] <... futex resumed>) = 0 [pid 20679] <... futex resumed>) = 1 [pid 20680] write(-1, "0x0000000000000001", 18 [pid 20679] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20680] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20680] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20679] <... futex resumed>) = 0 [pid 20680] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20679] exit_group(0 [pid 20680] <... futex resumed>) = ? [pid 20679] <... exit_group resumed>) = ? [pid 20680] +++ exited with 0 +++ [pid 20679] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20679, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20681 ./strace-static-x86_64: Process 20681 attached [pid 20681] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20681] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20681] setpgid(0, 0) = 0 [pid 20681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20681] write(3, "1000", 4) = 4 [pid 20681] close(3) = 0 [pid 20681] write(1, "executing program\n", 18executing program ) = 18 [pid 20681] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20681] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20681] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20681] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20681] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20681] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20681] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20682]}, 88) = 20682 [pid 20681] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20681] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20681] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20682 attached [pid 20682] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20682] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20682] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20682] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20681] <... futex resumed>) = 0 [pid 20681] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20681] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20682] <... futex resumed>) = 1 [pid 20682] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20682] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20681] <... futex resumed>) = 0 [pid 20681] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20681] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20682] <... futex resumed>) = 1 [pid 20682] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20682] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20681] <... futex resumed>) = 0 [pid 20681] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20681] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20682] <... futex resumed>) = 1 [pid 20682] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20682] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20681] <... futex resumed>) = 0 [pid 20681] exit_group(0) = ? [pid 20682] <... futex resumed>) = ? [pid 20682] +++ exited with 0 +++ [pid 20681] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20681, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20683 attached , child_tidptr=0x55557e841690) = 20683 [pid 20683] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20683] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20683] setpgid(0, 0) = 0 [pid 20683] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20683] write(3, "1000", 4) = 4 [pid 20683] close(3executing program ) = 0 [pid 20683] write(1, "executing program\n", 18) = 18 [pid 20683] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20683] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20683] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20683] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20683] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20683] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20683] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20684]}, 88) = 20684 [pid 20683] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20683] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20683] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20684 attached [pid 20684] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20684] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20684] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20684] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20683] <... futex resumed>) = 0 [pid 20683] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20683] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20684] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20684] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20683] <... futex resumed>) = 0 [pid 20683] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20683] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20684] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20684] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20683] <... futex resumed>) = 0 [pid 20683] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20683] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20684] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20684] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20683] <... futex resumed>) = 0 [pid 20683] exit_group(0) = ? [pid 20684] +++ exited with 0 +++ [pid 20683] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20683, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20685 ./strace-static-x86_64: Process 20685 attached [pid 20685] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20685] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20685] setpgid(0, 0) = 0 [pid 20685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20685] write(3, "1000", 4) = 4 [pid 20685] close(3) = 0 executing program [pid 20685] write(1, "executing program\n", 18) = 18 [pid 20685] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20685] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20685] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20685] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20685] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20685] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20685] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20686 attached => {parent_tid=[20686]}, 88) = 20686 [pid 20686] set_robust_list(0x7f5486a549a0, 24 [pid 20685] rt_sigprocmask(SIG_SETMASK, [], [pid 20686] <... set_robust_list resumed>) = 0 [pid 20685] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20686] rt_sigprocmask(SIG_SETMASK, [], [pid 20685] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20686] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20685] <... futex resumed>) = 0 [pid 20686] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20685] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20686] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20686] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20685] <... futex resumed>) = 0 [pid 20685] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20685] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20686] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20686] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20685] <... futex resumed>) = 0 [pid 20685] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20685] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20686] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20686] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20685] <... futex resumed>) = 0 [pid 20685] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20685] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20686] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20686] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20685] <... futex resumed>) = 0 [pid 20685] exit_group(0) = ? [pid 20686] +++ exited with 0 +++ [pid 20685] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20685, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20687 attached , child_tidptr=0x55557e841690) = 20687 [pid 20687] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20687] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20687] setpgid(0, 0) = 0 [pid 20687] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20687] write(3, "1000", 4) = 4 [pid 20687] close(3) = 0 executing program [pid 20687] write(1, "executing program\n", 18) = 18 [pid 20687] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20687] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20687] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20687] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20687] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20687] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20687] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20688 attached => {parent_tid=[20688]}, 88) = 20688 [pid 20687] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20687] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20687] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20688] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20688] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20688] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20688] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20687] <... futex resumed>) = 0 [pid 20687] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20687] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20688] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20688] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20687] <... futex resumed>) = 0 [pid 20688] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20687] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20688] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20687] <... futex resumed>) = 0 [pid 20688] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20687] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20688] <... futex resumed>) = 0 [pid 20687] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20688] write(-1, "0x0000000000000001", 18 [pid 20687] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20688] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20687] <... futex resumed>) = 0 [pid 20688] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20687] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20688] <... futex resumed>) = 0 [pid 20687] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20688] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20687] exit_group(0 [pid 20688] <... futex resumed>) = ? [pid 20687] <... exit_group resumed>) = ? [pid 20688] +++ exited with 0 +++ [pid 20687] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20687, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20689 attached , child_tidptr=0x55557e841690) = 20689 [pid 20689] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20689] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20689] setpgid(0, 0) = 0 [pid 20689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20689] write(3, "1000", 4) = 4 executing program [pid 20689] close(3) = 0 [pid 20689] write(1, "executing program\n", 18) = 18 [pid 20689] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20689] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20689] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20689] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20689] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20689] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20689] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20690 attached => {parent_tid=[20690]}, 88) = 20690 [pid 20690] set_robust_list(0x7f5486a549a0, 24 [pid 20689] rt_sigprocmask(SIG_SETMASK, [], [pid 20690] <... set_robust_list resumed>) = 0 [pid 20689] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20690] rt_sigprocmask(SIG_SETMASK, [], [pid 20689] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20690] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20689] <... futex resumed>) = 0 [pid 20690] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20689] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20690] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20690] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20689] <... futex resumed>) = 0 [pid 20690] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20689] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20690] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20689] <... futex resumed>) = 0 [pid 20690] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20689] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20690] <... futex resumed>) = 0 [pid 20689] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20690] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20689] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20690] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20689] <... futex resumed>) = 0 [pid 20690] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20689] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20690] <... futex resumed>) = 0 [pid 20689] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20690] write(-1, "0x0000000000000001", 18 [pid 20689] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20690] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20689] <... futex resumed>) = 0 [pid 20690] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20689] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20690] <... futex resumed>) = 0 [pid 20689] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20690] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20689] exit_group(0 [pid 20690] <... futex resumed>) = ? [pid 20689] <... exit_group resumed>) = ? [pid 20690] +++ exited with 0 +++ [pid 20689] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20689, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20691 attached , child_tidptr=0x55557e841690) = 20691 [pid 20691] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20691] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20691] setpgid(0, 0) = 0 [pid 20691] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20691] write(3, "1000", 4) = 4 [pid 20691] close(3) = 0 executing program [pid 20691] write(1, "executing program\n", 18) = 18 [pid 20691] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20691] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20691] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20691] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20691] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20691] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20691] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20692]}, 88) = 20692 [pid 20691] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20691] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20691] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20692 attached [pid 20692] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20692] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20692] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20692] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20691] <... futex resumed>) = 0 [pid 20692] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20691] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20692] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20691] <... futex resumed>) = 0 [pid 20692] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20691] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20692] <... futex resumed>) = 0 [pid 20691] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20692] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20691] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20692] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20691] <... futex resumed>) = 0 [pid 20692] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20691] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20692] <... futex resumed>) = 0 [pid 20691] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20692] write(-1, "0x0000000000000001", 18 [pid 20691] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20692] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20691] <... futex resumed>) = 0 [pid 20692] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20691] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20692] <... futex resumed>) = 0 [pid 20691] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20692] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20691] exit_group(0 [pid 20692] <... futex resumed>) = ? [pid 20691] <... exit_group resumed>) = ? [pid 20692] +++ exited with 0 +++ [pid 20691] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20691, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20693 ./strace-static-x86_64: Process 20693 attached [pid 20693] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20693] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20693] setpgid(0, 0) = 0 [pid 20693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20693] write(3, "1000", 4) = 4 executing program [pid 20693] close(3) = 0 [pid 20693] write(1, "executing program\n", 18) = 18 [pid 20693] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20693] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20693] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20693] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20693] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20693] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20693] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20694 attached => {parent_tid=[20694]}, 88) = 20694 [pid 20693] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20693] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20693] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20694] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20694] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20694] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20694] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20693] <... futex resumed>) = 0 [pid 20693] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20693] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20694] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20694] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20693] <... futex resumed>) = 0 [pid 20693] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20693] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20694] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20694] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20693] <... futex resumed>) = 0 [pid 20693] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20693] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20694] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20694] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20693] <... futex resumed>) = 0 [pid 20693] exit_group(0) = ? [pid 20694] +++ exited with 0 +++ [pid 20693] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20693, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20695 attached , child_tidptr=0x55557e841690) = 20695 [pid 20695] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20695] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20695] setpgid(0, 0) = 0 [pid 20695] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20695] write(3, "1000", 4) = 4 [pid 20695] close(3) = 0 [pid 20695] write(1, "executing program\n", 18executing program ) = 18 [pid 20695] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20695] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20695] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20695] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20695] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20695] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20695] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20696 attached => {parent_tid=[20696]}, 88) = 20696 [pid 20696] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20696] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20696] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20695] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20695] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20696] <... futex resumed>) = 0 [pid 20696] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20695] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20696] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20696] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20695] <... futex resumed>) = 0 [pid 20695] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20695] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20696] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20696] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20695] <... futex resumed>) = 0 [pid 20695] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20695] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20696] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20696] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20695] <... futex resumed>) = 0 [pid 20695] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20695] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20696] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20696] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20695] <... futex resumed>) = 0 [pid 20695] exit_group(0) = ? [pid 20696] +++ exited with 0 +++ [pid 20695] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20695, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20697 ./strace-static-x86_64: Process 20697 attached [pid 20697] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20697] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20697] setpgid(0, 0) = 0 [pid 20697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20697] write(3, "1000", 4) = 4 [pid 20697] close(3) = 0 executing program [pid 20697] write(1, "executing program\n", 18) = 18 [pid 20697] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20697] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20697] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20697] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20697] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20697] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20697] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20698]}, 88) = 20698 ./strace-static-x86_64: Process 20698 attached [pid 20697] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20697] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20697] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20698] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20698] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20698] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20698] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20698] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20697] <... futex resumed>) = 0 [pid 20697] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20698] <... futex resumed>) = 0 [pid 20698] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20697] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20698] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20698] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20697] <... futex resumed>) = 0 [pid 20697] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20697] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20698] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20698] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20697] <... futex resumed>) = 0 [pid 20697] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20697] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20698] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20698] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20697] <... futex resumed>) = 0 [pid 20697] exit_group(0) = ? [pid 20698] +++ exited with 0 +++ [pid 20697] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20697, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20699 attached , child_tidptr=0x55557e841690) = 20699 [pid 20699] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20699] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20699] setpgid(0, 0) = 0 [pid 20699] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20699] write(3, "1000", 4) = 4 [pid 20699] close(3executing program ) = 0 [pid 20699] write(1, "executing program\n", 18) = 18 [pid 20699] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20699] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20699] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20699] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20699] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20699] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20699] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20700]}, 88) = 20700 [pid 20699] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20699] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20699] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20700 attached [pid 20700] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20700] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20700] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20700] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20699] <... futex resumed>) = 0 [pid 20699] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20699] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20700] <... futex resumed>) = 1 [pid 20700] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20700] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20699] <... futex resumed>) = 0 [pid 20699] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20699] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20700] <... futex resumed>) = 1 [pid 20700] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20700] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20699] <... futex resumed>) = 0 [pid 20699] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20699] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20700] <... futex resumed>) = 1 [pid 20700] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20700] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20699] <... futex resumed>) = 0 [pid 20700] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20699] exit_group(0 [pid 20700] <... futex resumed>) = ? [pid 20699] <... exit_group resumed>) = ? [pid 20700] +++ exited with 0 +++ [pid 20699] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20699, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20701 ./strace-static-x86_64: Process 20701 attached [pid 20701] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20701] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20701] setpgid(0, 0) = 0 [pid 20701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20701] write(3, "1000", 4) = 4 [pid 20701] close(3) = 0 [pid 20701] write(1, "executing program\n", 18executing program ) = 18 [pid 20701] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20701] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20701] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20701] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20701] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20701] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20701] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20702 attached => {parent_tid=[20702]}, 88) = 20702 [pid 20701] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20701] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20701] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20702] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20702] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20702] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20702] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20701] <... futex resumed>) = 0 [pid 20701] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20701] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20702] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20702] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20701] <... futex resumed>) = 0 [pid 20701] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20701] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20702] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20702] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20701] <... futex resumed>) = 0 [pid 20701] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20701] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20702] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20702] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20701] <... futex resumed>) = 0 [pid 20701] exit_group(0) = ? [pid 20702] +++ exited with 0 +++ [pid 20701] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20701, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20703 ./strace-static-x86_64: Process 20703 attached [pid 20703] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20703] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20703] setpgid(0, 0) = 0 [pid 20703] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20703] write(3, "1000", 4) = 4 [pid 20703] close(3) = 0 [pid 20703] write(1, "executing program\n", 18executing program ) = 18 [pid 20703] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20703] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20703] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20703] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20703] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20703] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20703] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20704]}, 88) = 20704 ./strace-static-x86_64: Process 20704 attached [pid 20703] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20703] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20703] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20704] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20704] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20704] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20704] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20703] <... futex resumed>) = 0 [pid 20703] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20703] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20704] <... futex resumed>) = 1 [pid 20704] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20704] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20703] <... futex resumed>) = 0 [pid 20704] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20703] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20703] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20704] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20704] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20703] <... futex resumed>) = 0 [pid 20703] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20703] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20704] <... futex resumed>) = 1 [pid 20704] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20704] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20703] <... futex resumed>) = 0 [pid 20703] exit_group(0) = ? [pid 20704] <... futex resumed>) = ? [pid 20704] +++ exited with 0 +++ [pid 20703] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20703, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20705 ./strace-static-x86_64: Process 20705 attached [pid 20705] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20705] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20705] setpgid(0, 0) = 0 [pid 20705] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20705] write(3, "1000", 4) = 4 [pid 20705] close(3) = 0 [pid 20705] write(1, "executing program\n", 18executing program ) = 18 [pid 20705] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20705] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20705] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20705] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20705] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20705] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20705] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20706 attached => {parent_tid=[20706]}, 88) = 20706 [pid 20705] rt_sigprocmask(SIG_SETMASK, [], [pid 20706] set_robust_list(0x7f5486a549a0, 24 [pid 20705] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20706] <... set_robust_list resumed>) = 0 [pid 20705] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20706] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20705] <... futex resumed>) = 0 [pid 20706] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20705] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20706] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20706] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20705] <... futex resumed>) = 0 [pid 20705] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20705] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20706] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20706] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20705] <... futex resumed>) = 0 [pid 20705] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20705] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20706] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20706] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20705] <... futex resumed>) = 0 [pid 20705] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20705] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20706] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20706] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20705] <... futex resumed>) = 0 [pid 20705] exit_group(0) = ? [pid 20706] +++ exited with 0 +++ [pid 20705] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20705, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20707 ./strace-static-x86_64: Process 20707 attached [pid 20707] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20707] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20707] setpgid(0, 0) = 0 [pid 20707] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20707] write(3, "1000", 4) = 4 [pid 20707] close(3) = 0 executing program [pid 20707] write(1, "executing program\n", 18) = 18 [pid 20707] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20707] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20707] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20707] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20707] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20707] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20707] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20708 attached => {parent_tid=[20708]}, 88) = 20708 [pid 20708] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20708] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20708] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20707] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20707] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20708] <... futex resumed>) = 0 [pid 20708] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20707] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20708] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20708] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20707] <... futex resumed>) = 0 [pid 20707] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20707] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20708] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20708] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20707] <... futex resumed>) = 0 [pid 20707] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20707] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20708] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20708] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20707] <... futex resumed>) = 0 [pid 20707] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20707] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20708] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20708] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20707] <... futex resumed>) = 0 [pid 20707] exit_group(0) = ? [pid 20708] +++ exited with 0 +++ [pid 20707] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20707, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20709 attached [pid 20709] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20709] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20709] setpgid(0, 0) = 0 [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 20709 [pid 20709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20709] write(3, "1000", 4) = 4 [pid 20709] close(3) = 0 executing program [pid 20709] write(1, "executing program\n", 18) = 18 [pid 20709] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20709] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20709] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20709] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20709] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20709] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20709] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20710 attached [pid 20710] set_robust_list(0x7f5486a549a0, 24 [pid 20709] <... clone3 resumed> => {parent_tid=[20710]}, 88) = 20710 [pid 20709] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20710] <... set_robust_list resumed>) = 0 [pid 20710] rt_sigprocmask(SIG_SETMASK, [], [pid 20709] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20710] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20710] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20709] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20710] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20710] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20709] <... futex resumed>) = 0 [pid 20709] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20709] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20710] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20710] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20709] <... futex resumed>) = 0 [pid 20709] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20709] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20710] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20710] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20709] <... futex resumed>) = 0 [pid 20709] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20709] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20710] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20710] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20709] <... futex resumed>) = 0 [pid 20709] exit_group(0) = ? [pid 20710] +++ exited with 0 +++ [pid 20709] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20709, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20711 ./strace-static-x86_64: Process 20711 attached [pid 20711] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20711] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20711] setpgid(0, 0) = 0 [pid 20711] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20711] write(3, "1000", 4) = 4 [pid 20711] close(3) = 0 [pid 20711] write(1, "executing program\n", 18executing program ) = 18 [pid 20711] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20711] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20711] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20711] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20711] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20711] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20711] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20712]}, 88) = 20712 ./strace-static-x86_64: Process 20712 attached [pid 20712] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20712] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20712] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20711] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20711] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20712] <... futex resumed>) = 0 [pid 20712] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20711] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20712] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20712] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20712] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20711] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20711] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20712] <... futex resumed>) = 0 [pid 20712] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20711] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20712] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20711] <... futex resumed>) = 0 [pid 20711] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20712] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20711] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20712] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20712] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20711] <... futex resumed>) = 0 [pid 20711] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20711] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20712] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20712] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20711] <... futex resumed>) = 0 [pid 20711] exit_group(0) = ? [pid 20712] +++ exited with 0 +++ [pid 20711] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20711, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20713 ./strace-static-x86_64: Process 20713 attached [pid 20713] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20713] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20713] setpgid(0, 0) = 0 [pid 20713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20713] write(3, "1000", 4) = 4 executing program [pid 20713] close(3) = 0 [pid 20713] write(1, "executing program\n", 18) = 18 [pid 20713] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20713] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20713] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20713] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20713] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20713] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20713] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20714]}, 88) = 20714 [pid 20713] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20713] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20713] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20714 attached [pid 20714] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20714] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20714] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20714] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20713] <... futex resumed>) = 0 [pid 20713] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20713] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20714] <... futex resumed>) = 1 [pid 20714] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20714] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20713] <... futex resumed>) = 0 [pid 20713] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20713] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20714] <... futex resumed>) = 1 [pid 20714] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20714] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20713] <... futex resumed>) = 0 [pid 20713] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20713] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20714] <... futex resumed>) = 1 [pid 20714] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20714] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20713] <... futex resumed>) = 0 [pid 20713] exit_group(0) = ? [pid 20714] <... futex resumed>) = ? [pid 20714] +++ exited with 0 +++ [pid 20713] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20713, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20715 ./strace-static-x86_64: Process 20715 attached [pid 20715] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20715] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20715] setpgid(0, 0) = 0 [pid 20715] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20715] write(3, "1000", 4) = 4 [pid 20715] close(3) = 0 executing program [pid 20715] write(1, "executing program\n", 18) = 18 [pid 20715] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20715] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20715] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20715] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20715] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20715] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20715] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20716]}, 88) = 20716 ./strace-static-x86_64: Process 20716 attached [pid 20715] rt_sigprocmask(SIG_SETMASK, [], [pid 20716] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20715] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20716] rt_sigprocmask(SIG_SETMASK, [], [pid 20715] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20716] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20715] <... futex resumed>) = 0 [pid 20716] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20715] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20716] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20716] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20715] <... futex resumed>) = 0 [pid 20715] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20715] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20716] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20716] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20715] <... futex resumed>) = 0 [pid 20715] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20715] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20716] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20716] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20715] <... futex resumed>) = 0 [pid 20715] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20715] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20716] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20716] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20715] <... futex resumed>) = 0 [pid 20715] exit_group(0) = ? [pid 20716] +++ exited with 0 +++ [pid 20715] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20715, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20717 ./strace-static-x86_64: Process 20717 attached [pid 20717] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20717] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20717] setpgid(0, 0) = 0 [pid 20717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20717] write(3, "1000", 4) = 4 [pid 20717] close(3executing program ) = 0 [pid 20717] write(1, "executing program\n", 18) = 18 [pid 20717] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20717] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20717] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20717] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20717] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20717] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20717] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20718]}, 88) = 20718 ./strace-static-x86_64: Process 20718 attached [pid 20717] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20717] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20717] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20718] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20718] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20718] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20718] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20717] <... futex resumed>) = 0 [pid 20717] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20717] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20718] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20718] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20717] <... futex resumed>) = 0 [pid 20717] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20717] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20718] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20718] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20717] <... futex resumed>) = 0 [pid 20717] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20717] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20718] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20718] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20717] <... futex resumed>) = 0 [pid 20717] exit_group(0) = ? [pid 20718] +++ exited with 0 +++ [pid 20717] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20717, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20719 ./strace-static-x86_64: Process 20719 attached [pid 20719] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20719] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20719] setpgid(0, 0) = 0 [pid 20719] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20719] write(3, "1000", 4) = 4 [pid 20719] close(3) = 0 executing program [pid 20719] write(1, "executing program\n", 18) = 18 [pid 20719] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20719] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20719] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20719] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20719] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20719] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20719] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20720]}, 88) = 20720 [pid 20719] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20719] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20719] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20720 attached [pid 20720] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20720] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20720] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20720] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20719] <... futex resumed>) = 0 [pid 20719] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20719] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20720] <... futex resumed>) = 1 [pid 20720] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20720] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20719] <... futex resumed>) = 0 [pid 20719] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20719] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20720] <... futex resumed>) = 1 [pid 20720] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20720] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20719] <... futex resumed>) = 0 [pid 20719] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20719] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20720] <... futex resumed>) = 1 [pid 20720] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20720] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20719] <... futex resumed>) = 0 [pid 20719] exit_group(0) = ? [pid 20720] <... futex resumed>) = ? [pid 20720] +++ exited with 0 +++ [pid 20719] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20719, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20721 ./strace-static-x86_64: Process 20721 attached [pid 20721] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20721] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20721] setpgid(0, 0) = 0 [pid 20721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20721] write(3, "1000", 4) = 4 [pid 20721] close(3) = 0 [pid 20721] write(1, "executing program\n", 18) = 18 executing program [pid 20721] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20721] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20721] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20721] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20721] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20721] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20721] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20722 attached => {parent_tid=[20722]}, 88) = 20722 [pid 20721] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20721] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20721] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20722] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20722] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20722] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20722] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20721] <... futex resumed>) = 0 [pid 20721] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20721] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20722] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20722] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20721] <... futex resumed>) = 0 [pid 20721] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20721] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20722] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20722] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20721] <... futex resumed>) = 0 [pid 20721] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20721] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20722] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20722] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20721] <... futex resumed>) = 0 [pid 20721] exit_group(0) = ? [pid 20722] +++ exited with 0 +++ [pid 20721] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20721, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20723 ./strace-static-x86_64: Process 20723 attached [pid 20723] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20723] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20723] setpgid(0, 0) = 0 [pid 20723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20723] write(3, "1000", 4) = 4 [pid 20723] close(3) = 0 [pid 20723] write(1, "executing program\n", 18executing program ) = 18 [pid 20723] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20723] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20723] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20723] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20723] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20723] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20723] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20724]}, 88) = 20724 [pid 20723] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20723] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20723] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20724 attached [pid 20724] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20724] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20724] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20724] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20723] <... futex resumed>) = 0 [pid 20723] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20723] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20724] <... futex resumed>) = 1 [pid 20724] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20724] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20723] <... futex resumed>) = 0 [pid 20723] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20723] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20724] <... futex resumed>) = 1 [pid 20724] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20724] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20723] <... futex resumed>) = 0 [pid 20723] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20723] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20724] <... futex resumed>) = 1 [pid 20724] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20724] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20723] <... futex resumed>) = 0 [pid 20723] exit_group(0) = ? [pid 20724] <... futex resumed>) = ? [pid 20724] +++ exited with 0 +++ [pid 20723] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20723, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20725 ./strace-static-x86_64: Process 20725 attached [pid 20725] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20725] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20725] setpgid(0, 0) = 0 [pid 20725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20725] write(3, "1000", 4) = 4 [pid 20725] close(3) = 0 [pid 20725] write(1, "executing program\n", 18executing program ) = 18 [pid 20725] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20725] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20725] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20725] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20725] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20725] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20725] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20726 attached => {parent_tid=[20726]}, 88) = 20726 [pid 20726] set_robust_list(0x7f5486a549a0, 24 [pid 20725] rt_sigprocmask(SIG_SETMASK, [], [pid 20726] <... set_robust_list resumed>) = 0 [pid 20725] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20726] rt_sigprocmask(SIG_SETMASK, [], [pid 20725] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20726] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20725] <... futex resumed>) = 0 [pid 20726] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20725] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20726] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20726] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20725] <... futex resumed>) = 0 [pid 20725] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20725] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20726] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20726] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20725] <... futex resumed>) = 0 [pid 20725] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20725] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20726] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20726] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20725] <... futex resumed>) = 0 [pid 20725] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20725] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20726] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20726] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20725] <... futex resumed>) = 0 [pid 20725] exit_group(0) = ? [pid 20726] +++ exited with 0 +++ [pid 20725] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20725, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20727 ./strace-static-x86_64: Process 20727 attached [pid 20727] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20727] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20727] setpgid(0, 0) = 0 [pid 20727] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20727] write(3, "1000", 4) = 4 [pid 20727] close(3) = 0 [pid 20727] write(1, "executing program\n", 18executing program ) = 18 [pid 20727] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20727] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20727] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20727] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20727] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20727] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20727] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20728]}, 88) = 20728 [pid 20727] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20727] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20727] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20728 attached [pid 20728] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20728] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20728] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20728] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20727] <... futex resumed>) = 0 [pid 20727] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20727] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20728] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20728] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20727] <... futex resumed>) = 0 [pid 20727] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20727] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20728] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20728] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20727] <... futex resumed>) = 0 [pid 20727] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20727] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20728] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20728] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20727] <... futex resumed>) = 0 [pid 20727] exit_group(0 [pid 20728] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20727] <... exit_group resumed>) = ? [pid 20728] <... futex resumed>) = ? [pid 20728] +++ exited with 0 +++ [pid 20727] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20727, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20729 attached [pid 20729] set_robust_list(0x55557e8416a0, 24) = 0 [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 20729 [pid 20729] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20729] setpgid(0, 0) = 0 [pid 20729] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20729] write(3, "1000", 4) = 4 [pid 20729] close(3) = 0 executing program [pid 20729] write(1, "executing program\n", 18) = 18 [pid 20729] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20729] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20729] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20729] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20729] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20729] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20729] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20730]}, 88) = 20730 [pid 20729] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20729] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20729] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20730 attached [pid 20730] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20730] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20730] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20730] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20729] <... futex resumed>) = 0 [pid 20730] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20729] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20730] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20729] <... futex resumed>) = 0 [pid 20730] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20729] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20730] <... futex resumed>) = 0 [pid 20729] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20730] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20729] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20730] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20729] <... futex resumed>) = 0 [pid 20730] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20729] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20730] <... futex resumed>) = 0 [pid 20729] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20730] write(-1, "0x0000000000000001", 18 [pid 20729] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20730] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20729] <... futex resumed>) = 0 [pid 20730] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20729] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20730] <... futex resumed>) = 0 [pid 20729] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20730] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20729] exit_group(0 [pid 20730] <... futex resumed>) = ? [pid 20729] <... exit_group resumed>) = ? [pid 20730] +++ exited with 0 +++ [pid 20729] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20729, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20731 attached [pid 20731] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20731] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20731] setpgid(0, 0) = 0 [pid 20731] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 20731 [pid 20731] <... openat resumed>) = 3 [pid 20731] write(3, "1000", 4) = 4 [pid 20731] close(3) = 0 [pid 20731] write(1, "executing program\n", 18executing program ) = 18 [pid 20731] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20731] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20731] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20731] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20731] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20731] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20731] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20732]}, 88) = 20732 [pid 20731] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20731] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20731] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20732 attached [pid 20732] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20732] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20732] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20732] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20731] <... futex resumed>) = 0 [pid 20731] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20731] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20732] <... futex resumed>) = 1 [pid 20732] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20732] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20731] <... futex resumed>) = 0 [pid 20731] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20731] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20732] <... futex resumed>) = 1 [pid 20732] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20732] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20731] <... futex resumed>) = 0 [pid 20731] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20731] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20732] <... futex resumed>) = 1 [pid 20732] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20732] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20731] <... futex resumed>) = 0 [pid 20731] exit_group(0) = ? [pid 20732] <... futex resumed>) = ? [pid 20732] +++ exited with 0 +++ [pid 20731] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20731, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20733 ./strace-static-x86_64: Process 20733 attached [pid 20733] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20733] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20733] setpgid(0, 0) = 0 [pid 20733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20733] write(3, "1000", 4) = 4 [pid 20733] close(3) = 0 [pid 20733] write(1, "executing program\n", 18executing program ) = 18 [pid 20733] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20733] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20733] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20733] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20733] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20733] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20733] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20734 attached => {parent_tid=[20734]}, 88) = 20734 [pid 20733] rt_sigprocmask(SIG_SETMASK, [], [pid 20734] set_robust_list(0x7f5486a549a0, 24 [pid 20733] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20734] <... set_robust_list resumed>) = 0 [pid 20734] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20734] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20733] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20734] <... futex resumed>) = 0 [pid 20734] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20733] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20734] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20734] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20733] <... futex resumed>) = 0 [pid 20733] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20733] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20734] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20734] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20733] <... futex resumed>) = 0 [pid 20733] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20733] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20734] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20734] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20733] <... futex resumed>) = 0 [pid 20733] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20733] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20734] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20734] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20733] <... futex resumed>) = 0 [pid 20733] exit_group(0) = ? [pid 20734] +++ exited with 0 +++ [pid 20733] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20733, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20735 ./strace-static-x86_64: Process 20735 attached [pid 20735] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20735] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20735] setpgid(0, 0) = 0 [pid 20735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20735] write(3, "1000", 4) = 4 [pid 20735] close(3) = 0 [pid 20735] write(1, "executing program\n", 18executing program ) = 18 [pid 20735] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20735] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20735] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20735] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20735] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20735] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20735] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20736 attached => {parent_tid=[20736]}, 88) = 20736 [pid 20735] rt_sigprocmask(SIG_SETMASK, [], [pid 20736] set_robust_list(0x7f5486a549a0, 24 [pid 20735] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20735] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20735] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20736] <... set_robust_list resumed>) = 0 [pid 20736] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20736] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20736] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20735] <... futex resumed>) = 0 [pid 20735] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20735] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20736] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20736] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20735] <... futex resumed>) = 0 [pid 20735] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20735] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20736] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20736] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20735] <... futex resumed>) = 0 [pid 20735] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20735] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20736] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20736] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20735] <... futex resumed>) = 0 [pid 20735] exit_group(0) = ? [pid 20736] +++ exited with 0 +++ [pid 20735] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20735, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20737 attached , child_tidptr=0x55557e841690) = 20737 [pid 20737] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20737] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20737] setpgid(0, 0) = 0 [pid 20737] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20737] write(3, "1000", 4) = 4 [pid 20737] close(3) = 0 executing program [pid 20737] write(1, "executing program\n", 18) = 18 [pid 20737] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20737] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20737] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20737] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20737] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20737] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20737] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20738 attached [pid 20738] set_robust_list(0x7f5486a549a0, 24 [pid 20737] <... clone3 resumed> => {parent_tid=[20738]}, 88) = 20738 [pid 20737] rt_sigprocmask(SIG_SETMASK, [], [pid 20738] <... set_robust_list resumed>) = 0 [pid 20738] rt_sigprocmask(SIG_SETMASK, [], [pid 20737] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20738] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20737] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20738] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20737] <... futex resumed>) = 0 [pid 20737] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20738] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20738] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20737] <... futex resumed>) = 0 [pid 20737] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20738] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20737] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20738] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20738] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20737] <... futex resumed>) = 0 [pid 20737] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20738] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20737] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20738] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20738] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20737] <... futex resumed>) = 0 [pid 20738] write(-1, "0x0000000000000001", 18 [pid 20737] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20738] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20737] <... futex resumed>) = 0 [pid 20738] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20737] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20738] <... futex resumed>) = 0 [pid 20737] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20738] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20737] exit_group(0 [pid 20738] <... futex resumed>) = ? [pid 20737] <... exit_group resumed>) = ? [pid 20738] +++ exited with 0 +++ [pid 20737] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20737, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20739 ./strace-static-x86_64: Process 20739 attached [pid 20739] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20739] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20739] setpgid(0, 0) = 0 [pid 20739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20739] write(3, "1000", 4) = 4 [pid 20739] close(3) = 0 executing program [pid 20739] write(1, "executing program\n", 18) = 18 [pid 20739] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20739] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20739] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20739] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20739] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20739] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20739] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20740]}, 88) = 20740 ./strace-static-x86_64: Process 20740 attached [pid 20739] rt_sigprocmask(SIG_SETMASK, [], [pid 20740] set_robust_list(0x7f5486a549a0, 24 [pid 20739] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20740] <... set_robust_list resumed>) = 0 [pid 20739] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20740] rt_sigprocmask(SIG_SETMASK, [], [pid 20739] <... futex resumed>) = 0 [pid 20740] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20739] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20740] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20740] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20739] <... futex resumed>) = 0 [pid 20740] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20739] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20740] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20739] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20740] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20740] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20739] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20739] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20740] <... futex resumed>) = 0 [pid 20739] <... futex resumed>) = 1 [pid 20740] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20739] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20740] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20740] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20739] <... futex resumed>) = 0 [pid 20740] write(-1, "0x0000000000000001", 18 [pid 20739] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20740] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20740] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20740] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL) = 0 [pid 20739] <... futex resumed>) = 1 [pid 20740] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20739] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 20739] exit_group(0 [pid 20740] <... futex resumed>) = ? [pid 20739] <... exit_group resumed>) = ? [pid 20740] +++ exited with 0 +++ [pid 20739] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20739, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20741 attached , child_tidptr=0x55557e841690) = 20741 [pid 20741] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20741] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20741] setpgid(0, 0) = 0 [pid 20741] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20741] write(3, "1000", 4) = 4 [pid 20741] close(3) = 0 executing program [pid 20741] write(1, "executing program\n", 18) = 18 [pid 20741] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20741] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20741] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20741] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20741] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20741] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20741] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20742 attached => {parent_tid=[20742]}, 88) = 20742 [pid 20742] set_robust_list(0x7f5486a549a0, 24 [pid 20741] rt_sigprocmask(SIG_SETMASK, [], [pid 20742] <... set_robust_list resumed>) = 0 [pid 20741] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20742] rt_sigprocmask(SIG_SETMASK, [], [pid 20741] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20742] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20741] <... futex resumed>) = 0 [pid 20742] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20741] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20742] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20742] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20741] <... futex resumed>) = 0 [pid 20742] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20741] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20742] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20741] <... futex resumed>) = 0 [pid 20742] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20741] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20742] <... futex resumed>) = 0 [pid 20741] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20742] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20741] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20742] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20741] <... futex resumed>) = 0 [pid 20742] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20741] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20742] <... futex resumed>) = 0 [pid 20741] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20742] write(-1, "0x0000000000000001", 18 [pid 20741] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20742] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20741] <... futex resumed>) = 0 [pid 20742] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20741] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20742] <... futex resumed>) = 0 [pid 20741] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20742] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20741] exit_group(0 [pid 20742] <... futex resumed>) = ? [pid 20741] <... exit_group resumed>) = ? [pid 20742] +++ exited with 0 +++ [pid 20741] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20741, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20743 ./strace-static-x86_64: Process 20743 attached [pid 20743] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20743] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20743] setpgid(0, 0) = 0 [pid 20743] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20743] write(3, "1000", 4) = 4 [pid 20743] close(3) = 0 [pid 20743] write(1, "executing program\n", 18executing program ) = 18 [pid 20743] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20743] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20743] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20743] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20743] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20743] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20743] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20744]}, 88) = 20744 [pid 20743] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20743] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20743] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20744 attached [pid 20744] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20744] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20744] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20744] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20743] <... futex resumed>) = 0 [pid 20744] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20743] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20744] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20743] <... futex resumed>) = 0 [pid 20744] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20743] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 20743] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20743] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = 0 [pid 20743] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20744] <... futex resumed>) = 1 [pid 20744] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20744] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20743] <... futex resumed>) = 0 [pid 20743] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20743] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20744] <... futex resumed>) = 1 [pid 20744] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20744] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20744] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20743] <... futex resumed>) = 0 [pid 20743] exit_group(0) = ? [pid 20744] <... futex resumed>) = ? [pid 20744] +++ exited with 0 +++ [pid 20743] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20743, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20745 ./strace-static-x86_64: Process 20745 attached [pid 20745] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20745] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20745] setpgid(0, 0) = 0 [pid 20745] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20745] write(3, "1000", 4) = 4 [pid 20745] close(3executing program ) = 0 [pid 20745] write(1, "executing program\n", 18) = 18 [pid 20745] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20745] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20745] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20745] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20745] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20745] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20745] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20746]}, 88) = 20746 [pid 20745] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20745] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20745] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20746 attached [pid 20746] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20746] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20746] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20746] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20745] <... futex resumed>) = 0 [pid 20745] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20745] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20746] <... futex resumed>) = 1 [pid 20746] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20746] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20745] <... futex resumed>) = 0 [pid 20745] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20745] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20746] <... futex resumed>) = 1 [pid 20746] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20746] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20745] <... futex resumed>) = 0 [pid 20745] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20745] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20746] <... futex resumed>) = 1 [pid 20746] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20746] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20745] <... futex resumed>) = 0 [pid 20745] exit_group(0) = ? [pid 20746] <... futex resumed>) = ? [pid 20746] +++ exited with 0 +++ [pid 20745] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20745, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20747 ./strace-static-x86_64: Process 20747 attached [pid 20747] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20747] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20747] setpgid(0, 0) = 0 [pid 20747] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20747] write(3, "1000", 4) = 4 [pid 20747] close(3executing program ) = 0 [pid 20747] write(1, "executing program\n", 18) = 18 [pid 20747] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20747] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20747] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20747] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20747] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20747] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20747] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20748]}, 88) = 20748 [pid 20747] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20747] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20747] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20748 attached [pid 20748] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20748] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20748] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20748] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20747] <... futex resumed>) = 0 [pid 20747] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20747] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20748] <... futex resumed>) = 1 [pid 20748] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20748] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20747] <... futex resumed>) = 0 [pid 20747] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20747] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20748] <... futex resumed>) = 1 [pid 20748] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20748] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20747] <... futex resumed>) = 0 [pid 20747] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20747] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20748] <... futex resumed>) = 1 [pid 20748] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20748] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20747] <... futex resumed>) = 0 [pid 20747] exit_group(0) = ? [pid 20748] <... futex resumed>) = ? [pid 20748] +++ exited with 0 +++ [pid 20747] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20747, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20749 ./strace-static-x86_64: Process 20749 attached [pid 20749] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20749] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20749] setpgid(0, 0) = 0 [pid 20749] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20749] write(3, "1000", 4) = 4 [pid 20749] close(3executing program ) = 0 [pid 20749] write(1, "executing program\n", 18) = 18 [pid 20749] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20749] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20749] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20749] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20749] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20749] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20749] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20750]}, 88) = 20750 ./strace-static-x86_64: Process 20750 attached [pid 20750] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20750] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20750] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20749] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20749] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20749] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20750] <... futex resumed>) = 0 [pid 20750] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20750] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20749] <... futex resumed>) = 0 [pid 20749] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20749] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20750] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20750] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20749] <... futex resumed>) = 0 [pid 20749] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20749] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20750] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20750] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20749] <... futex resumed>) = 0 [pid 20749] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20749] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20750] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20750] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20749] <... futex resumed>) = 0 [pid 20749] exit_group(0) = ? [pid 20750] +++ exited with 0 +++ [pid 20749] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20749, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20751 ./strace-static-x86_64: Process 20751 attached [pid 20751] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20751] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20751] setpgid(0, 0) = 0 [pid 20751] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20751] write(3, "1000", 4) = 4 [pid 20751] close(3) = 0 executing program [pid 20751] write(1, "executing program\n", 18) = 18 [pid 20751] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20751] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20751] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20751] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20751] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20751] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20751] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20752 attached => {parent_tid=[20752]}, 88) = 20752 [pid 20751] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20751] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20751] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20752] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20752] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20752] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20752] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20751] <... futex resumed>) = 0 [pid 20751] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20751] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20752] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20752] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20751] <... futex resumed>) = 0 [pid 20751] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20751] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20752] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20752] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20751] <... futex resumed>) = 0 [pid 20751] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20751] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20752] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20752] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20751] <... futex resumed>) = 0 [pid 20751] exit_group(0) = ? [pid 20752] +++ exited with 0 +++ [pid 20751] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20751, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20753 attached , child_tidptr=0x55557e841690) = 20753 [pid 20753] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20753] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20753] setpgid(0, 0) = 0 [pid 20753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20753] write(3, "1000", 4) = 4 [pid 20753] close(3) = 0 executing program [pid 20753] write(1, "executing program\n", 18) = 18 [pid 20753] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20753] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20753] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20753] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20753] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20753] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20753] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20754 attached => {parent_tid=[20754]}, 88) = 20754 [pid 20754] set_robust_list(0x7f5486a549a0, 24 [pid 20753] rt_sigprocmask(SIG_SETMASK, [], [pid 20754] <... set_robust_list resumed>) = 0 [pid 20753] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20754] rt_sigprocmask(SIG_SETMASK, [], [pid 20753] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20754] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20753] <... futex resumed>) = 0 [pid 20754] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20753] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20754] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20754] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20753] <... futex resumed>) = 0 [pid 20753] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20753] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20754] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20754] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20753] <... futex resumed>) = 0 [pid 20753] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20753] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20754] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20754] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20753] <... futex resumed>) = 0 [pid 20753] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20753] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20754] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20754] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20753] <... futex resumed>) = 0 [pid 20753] exit_group(0) = ? [pid 20754] +++ exited with 0 +++ [pid 20753] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20753, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20755 attached , child_tidptr=0x55557e841690) = 20755 [pid 20755] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20755] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20755] setpgid(0, 0) = 0 [pid 20755] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20755] write(3, "1000", 4) = 4 [pid 20755] close(3) = 0 executing program [pid 20755] write(1, "executing program\n", 18) = 18 [pid 20755] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20755] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20755] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20755] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20755] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20755] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20755] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20756]}, 88) = 20756 [pid 20755] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20755] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20755] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20756 attached [pid 20756] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20756] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20756] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20756] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20755] <... futex resumed>) = 0 [pid 20756] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20755] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20756] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20755] <... futex resumed>) = 0 [pid 20756] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20755] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20756] <... futex resumed>) = 0 [pid 20755] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20756] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20755] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20756] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20755] <... futex resumed>) = 0 [pid 20756] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20755] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20756] <... futex resumed>) = 0 [pid 20755] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20756] write(-1, "0x0000000000000001", 18 [pid 20755] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20756] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20755] <... futex resumed>) = 0 [pid 20756] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20755] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20756] <... futex resumed>) = 0 [pid 20755] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20756] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20755] exit_group(0 [pid 20756] <... futex resumed>) = ? [pid 20755] <... exit_group resumed>) = ? [pid 20756] +++ exited with 0 +++ [pid 20755] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20755, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20757 attached [pid 20757] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20757] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20757] setpgid(0, 0) = 0 [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 20757 [pid 20757] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20757] write(3, "1000", 4) = 4 [pid 20757] close(3) = 0 executing program [pid 20757] write(1, "executing program\n", 18) = 18 [pid 20757] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20757] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20757] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20757] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20757] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20757] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20757] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20758]}, 88) = 20758 [pid 20757] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20757] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20757] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20758 attached [pid 20758] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20758] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20758] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20758] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20757] <... futex resumed>) = 0 [pid 20757] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20757] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20758] <... futex resumed>) = 1 [pid 20758] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20758] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20757] <... futex resumed>) = 0 [pid 20757] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20757] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20758] <... futex resumed>) = 1 [pid 20758] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20758] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20757] <... futex resumed>) = 0 [pid 20757] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20757] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20758] <... futex resumed>) = 1 [pid 20758] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20758] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20757] <... futex resumed>) = 0 [pid 20757] exit_group(0) = ? [pid 20758] <... futex resumed>) = ? [pid 20758] +++ exited with 0 +++ [pid 20757] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20757, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20759 ./strace-static-x86_64: Process 20759 attached [pid 20759] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20759] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20759] setpgid(0, 0) = 0 [pid 20759] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20759] write(3, "1000", 4) = 4 [pid 20759] close(3executing program ) = 0 [pid 20759] write(1, "executing program\n", 18) = 18 [pid 20759] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20759] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20759] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20759] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20759] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20759] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20759] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20760]}, 88) = 20760 ./strace-static-x86_64: Process 20760 attached [pid 20759] rt_sigprocmask(SIG_SETMASK, [], [pid 20760] set_robust_list(0x7f5486a549a0, 24 [pid 20759] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20759] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20760] <... set_robust_list resumed>) = 0 [pid 20760] rt_sigprocmask(SIG_SETMASK, [], [pid 20759] <... futex resumed>) = 0 [pid 20760] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20759] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20760] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20760] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20759] <... futex resumed>) = 0 [pid 20759] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20759] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20760] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20760] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20759] <... futex resumed>) = 0 [pid 20759] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20759] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20760] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20760] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20759] <... futex resumed>) = 0 [pid 20759] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20759] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20760] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20760] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20759] <... futex resumed>) = 0 [pid 20759] exit_group(0) = ? [pid 20760] +++ exited with 0 +++ [pid 20759] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20759, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20761 ./strace-static-x86_64: Process 20761 attached [pid 20761] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20761] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20761] setpgid(0, 0) = 0 [pid 20761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20761] write(3, "1000", 4) = 4 [pid 20761] close(3) = 0 executing program [pid 20761] write(1, "executing program\n", 18) = 18 [pid 20761] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20761] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20761] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20761] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20761] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20761] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20761] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20762 attached => {parent_tid=[20762]}, 88) = 20762 [pid 20761] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20761] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20761] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20762] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20762] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20762] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20762] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20761] <... futex resumed>) = 0 [pid 20761] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20761] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20762] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20762] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20761] <... futex resumed>) = 0 [pid 20761] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20761] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20762] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20762] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20761] <... futex resumed>) = 0 [pid 20761] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20761] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20762] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20762] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20761] <... futex resumed>) = 0 [pid 20761] exit_group(0) = ? [pid 20762] +++ exited with 0 +++ [pid 20761] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20761, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20763 attached , child_tidptr=0x55557e841690) = 20763 [pid 20763] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20763] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20763] setpgid(0, 0) = 0 [pid 20763] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20763] write(3, "1000", 4) = 4 [pid 20763] close(3) = 0 executing program [pid 20763] write(1, "executing program\n", 18) = 18 [pid 20763] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20763] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20763] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20763] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20763] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20763] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20763] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20764]}, 88) = 20764 [pid 20763] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20763] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20763] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20764 attached [pid 20764] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20764] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20764] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20764] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20763] <... futex resumed>) = 0 [pid 20763] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20763] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20764] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20764] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20763] <... futex resumed>) = 0 [pid 20763] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20763] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20764] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20764] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20763] <... futex resumed>) = 0 [pid 20763] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20764] write(-1, "0x0000000000000001", 18 [pid 20763] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20764] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20764] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20763] <... futex resumed>) = 0 [pid 20764] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20763] exit_group(0 [pid 20764] <... futex resumed>) = ? [pid 20763] <... exit_group resumed>) = ? [pid 20764] +++ exited with 0 +++ [pid 20763] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20763, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20765 ./strace-static-x86_64: Process 20765 attached [pid 20765] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20765] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20765] setpgid(0, 0) = 0 [pid 20765] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20765] write(3, "1000", 4) = 4 [pid 20765] close(3) = 0 executing program [pid 20765] write(1, "executing program\n", 18) = 18 [pid 20765] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20765] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20765] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20765] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20765] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20765] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20765] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20766]}, 88) = 20766 [pid 20765] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20765] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20765] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20766 attached [pid 20766] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20766] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20766] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20766] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20765] <... futex resumed>) = 0 [pid 20766] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20765] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20766] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20765] <... futex resumed>) = 0 [pid 20766] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20765] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20766] <... futex resumed>) = 0 [pid 20765] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20766] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20765] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20766] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20765] <... futex resumed>) = 0 [pid 20766] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20765] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20766] <... futex resumed>) = 0 [pid 20765] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20766] write(-1, "0x0000000000000001", 18 [pid 20765] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20766] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20765] <... futex resumed>) = 0 [pid 20766] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20765] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20766] <... futex resumed>) = 0 [pid 20765] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20766] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20765] exit_group(0 [pid 20766] <... futex resumed>) = ? [pid 20765] <... exit_group resumed>) = ? [pid 20766] +++ exited with 0 +++ [pid 20765] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20765, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20767 ./strace-static-x86_64: Process 20767 attached [pid 20767] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20767] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20767] setpgid(0, 0) = 0 [pid 20767] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20767] write(3, "1000", 4) = 4 [pid 20767] close(3) = 0 executing program [pid 20767] write(1, "executing program\n", 18) = 18 [pid 20767] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20767] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20767] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20767] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20767] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20767] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20767] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20768]}, 88) = 20768 [pid 20767] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20767] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20767] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20768 attached [pid 20768] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20768] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20768] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20768] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20767] <... futex resumed>) = 0 [pid 20767] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20767] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20768] <... futex resumed>) = 1 [pid 20768] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20768] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20767] <... futex resumed>) = 0 [pid 20767] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20767] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20768] <... futex resumed>) = 1 [pid 20768] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20768] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20767] <... futex resumed>) = 0 [pid 20767] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20767] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20768] <... futex resumed>) = 1 [pid 20768] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20768] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20767] <... futex resumed>) = 0 [pid 20767] exit_group(0) = ? [pid 20768] <... futex resumed>) = ? [pid 20768] +++ exited with 0 +++ [pid 20767] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20767, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20769 ./strace-static-x86_64: Process 20769 attached [pid 20769] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20769] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20769] setpgid(0, 0) = 0 [pid 20769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20769] write(3, "1000", 4) = 4 [pid 20769] close(3) = 0 executing program [pid 20769] write(1, "executing program\n", 18) = 18 [pid 20769] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20769] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20769] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20769] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20769] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20769] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20769] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20770 attached => {parent_tid=[20770]}, 88) = 20770 [pid 20769] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20769] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20769] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20770] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20770] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20770] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20770] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20769] <... futex resumed>) = 0 [pid 20769] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20769] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20770] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20770] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20769] <... futex resumed>) = 0 [pid 20769] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20769] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20770] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20770] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20769] <... futex resumed>) = 0 [pid 20769] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20769] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20770] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20770] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20769] <... futex resumed>) = 0 [pid 20769] exit_group(0) = ? [pid 20770] +++ exited with 0 +++ [pid 20769] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20769, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20771 ./strace-static-x86_64: Process 20771 attached [pid 20771] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20771] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20771] setpgid(0, 0) = 0 [pid 20771] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20771] write(3, "1000", 4executing program ) = 4 [pid 20771] close(3) = 0 [pid 20771] write(1, "executing program\n", 18) = 18 [pid 20771] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20771] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20771] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20771] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20771] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20771] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20771] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20772 attached => {parent_tid=[20772]}, 88) = 20772 [pid 20771] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20771] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20771] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20772] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20772] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20772] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20772] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20771] <... futex resumed>) = 0 [pid 20771] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20771] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20772] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20772] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20771] <... futex resumed>) = 0 [pid 20771] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20771] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20772] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20772] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20771] <... futex resumed>) = 0 [pid 20771] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20771] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20772] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20772] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20771] <... futex resumed>) = 0 [pid 20771] exit_group(0) = ? [pid 20772] +++ exited with 0 +++ [pid 20771] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20771, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20773 ./strace-static-x86_64: Process 20773 attached [pid 20773] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20773] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20773] setpgid(0, 0) = 0 [pid 20773] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20773] write(3, "1000", 4) = 4 [pid 20773] close(3) = 0 [pid 20773] write(1, "executing program\n", 18executing program ) = 18 [pid 20773] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20773] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20773] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20773] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20773] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20773] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20773] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20774 attached => {parent_tid=[20774]}, 88) = 20774 [pid 20773] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20773] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20773] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20774] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20774] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20774] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20774] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20773] <... futex resumed>) = 0 [pid 20773] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20773] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20774] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20774] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20773] <... futex resumed>) = 0 [pid 20773] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20773] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20774] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20774] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20773] <... futex resumed>) = 0 [pid 20773] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20773] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20774] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20774] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20773] <... futex resumed>) = 0 [pid 20773] exit_group(0) = ? [pid 20774] +++ exited with 0 +++ [pid 20773] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20773, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20775 ./strace-static-x86_64: Process 20775 attached [pid 20775] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20775] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20775] setpgid(0, 0) = 0 [pid 20775] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20775] write(3, "1000", 4) = 4 [pid 20775] close(3) = 0 executing program [pid 20775] write(1, "executing program\n", 18) = 18 [pid 20775] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20775] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20775] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20775] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20775] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20775] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20775] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20776 attached => {parent_tid=[20776]}, 88) = 20776 [pid 20775] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20775] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20775] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20776] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20776] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20776] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20776] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20775] <... futex resumed>) = 0 [pid 20776] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20775] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20776] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20775] <... futex resumed>) = 0 [pid 20776] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20775] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20776] <... futex resumed>) = 0 [pid 20775] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20776] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20775] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20776] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20775] <... futex resumed>) = 0 [pid 20776] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20775] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20776] <... futex resumed>) = 0 [pid 20775] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20776] write(-1, "0x0000000000000001", 18 [pid 20775] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20776] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20775] <... futex resumed>) = 0 [pid 20776] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20775] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20776] <... futex resumed>) = 0 [pid 20775] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20776] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20775] exit_group(0 [pid 20776] <... futex resumed>) = ? [pid 20775] <... exit_group resumed>) = ? [pid 20776] +++ exited with 0 +++ [pid 20775] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20775, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20777 ./strace-static-x86_64: Process 20777 attached [pid 20777] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20777] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20777] setpgid(0, 0) = 0 [pid 20777] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20777] write(3, "1000", 4) = 4 [pid 20777] close(3) = 0 executing program [pid 20777] write(1, "executing program\n", 18) = 18 [pid 20777] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20777] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20777] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20777] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20777] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20777] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20777] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20778]}, 88) = 20778 [pid 20777] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20777] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20777] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20778 attached [pid 20778] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20778] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20778] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20778] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20777] <... futex resumed>) = 0 [pid 20777] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20777] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20778] <... futex resumed>) = 1 [pid 20778] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20778] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20777] <... futex resumed>) = 0 [pid 20777] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20777] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20778] <... futex resumed>) = 1 [pid 20778] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20778] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20777] <... futex resumed>) = 0 [pid 20777] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20777] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20778] <... futex resumed>) = 1 [pid 20778] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20778] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20777] <... futex resumed>) = 0 [pid 20777] exit_group(0) = ? [pid 20778] <... futex resumed>) = ? [pid 20778] +++ exited with 0 +++ [pid 20777] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20777, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20779 ./strace-static-x86_64: Process 20779 attached [pid 20779] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20779] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20779] setpgid(0, 0) = 0 [pid 20779] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20779] write(3, "1000", 4) = 4 [pid 20779] close(3executing program ) = 0 [pid 20779] write(1, "executing program\n", 18) = 18 [pid 20779] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20779] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20779] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20779] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20779] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20779] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20779] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20780 attached [pid 20780] set_robust_list(0x7f5486a549a0, 24 [pid 20779] <... clone3 resumed> => {parent_tid=[20780]}, 88) = 20780 [pid 20779] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20779] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20780] <... set_robust_list resumed>) = 0 [pid 20780] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20780] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20780] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20780] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20779] <... futex resumed>) = 1 [pid 20780] <... futex resumed>) = 0 [pid 20779] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20780] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20779] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20779] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20780] <... futex resumed>) = 0 [pid 20780] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20779] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20780] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20779] <... futex resumed>) = 0 [pid 20779] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20779] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20780] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20780] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20779] <... futex resumed>) = 0 [pid 20779] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20779] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20780] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20780] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20779] <... futex resumed>) = 0 [pid 20779] exit_group(0 [pid 20780] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20779] <... exit_group resumed>) = ? [pid 20780] <... futex resumed>) = ? [pid 20780] +++ exited with 0 +++ [pid 20779] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20779, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20781 ./strace-static-x86_64: Process 20781 attached [pid 20781] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20781] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20781] setpgid(0, 0) = 0 [pid 20781] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20781] write(3, "1000", 4) = 4 [pid 20781] close(3) = 0 executing program [pid 20781] write(1, "executing program\n", 18) = 18 [pid 20781] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20781] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20781] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20781] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20781] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20781] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20781] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20782 attached => {parent_tid=[20782]}, 88) = 20782 [pid 20781] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20781] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20781] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20782] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20782] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20782] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20782] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20781] <... futex resumed>) = 0 [pid 20781] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20781] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20782] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20782] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20781] <... futex resumed>) = 0 [pid 20781] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20781] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20782] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20782] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20781] <... futex resumed>) = 0 [pid 20781] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20781] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20782] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20782] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20781] <... futex resumed>) = 0 [pid 20781] exit_group(0) = ? [pid 20782] +++ exited with 0 +++ [pid 20781] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20781, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20783 ./strace-static-x86_64: Process 20783 attached [pid 20783] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20783] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20783] setpgid(0, 0) = 0 [pid 20783] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20783] write(3, "1000", 4) = 4 [pid 20783] close(3) = 0 [pid 20783] write(1, "executing program\n", 18executing program ) = 18 [pid 20783] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20783] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20783] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20783] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20783] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20783] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20783] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20784 attached [pid 20784] set_robust_list(0x7f5486a549a0, 24 [pid 20783] <... clone3 resumed> => {parent_tid=[20784]}, 88) = 20784 [pid 20784] <... set_robust_list resumed>) = 0 [pid 20783] rt_sigprocmask(SIG_SETMASK, [], [pid 20784] rt_sigprocmask(SIG_SETMASK, [], [pid 20783] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20784] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20783] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20784] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20783] <... futex resumed>) = 0 [pid 20783] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20784] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20784] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20784] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20783] <... futex resumed>) = 0 [pid 20783] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20783] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20784] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20784] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20784] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20783] <... futex resumed>) = 0 [pid 20783] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20783] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20784] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20784] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20783] <... futex resumed>) = 0 [pid 20784] write(-1, "0x0000000000000001", 18 [pid 20783] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20784] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20783] <... futex resumed>) = 0 [pid 20783] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20784] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20783] <... futex resumed>) = 0 [pid 20784] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20783] exit_group(0 [pid 20784] <... futex resumed>) = ? [pid 20783] <... exit_group resumed>) = ? [pid 20784] +++ exited with 0 +++ [pid 20783] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20783, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20785 attached , child_tidptr=0x55557e841690) = 20785 [pid 20785] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20785] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20785] setpgid(0, 0) = 0 [pid 20785] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20785] write(3, "1000", 4) = 4 [pid 20785] close(3) = 0 executing program [pid 20785] write(1, "executing program\n", 18) = 18 [pid 20785] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20785] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20785] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20785] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20785] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20785] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20785] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20786]}, 88) = 20786 [pid 20785] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 20786 attached NULL, 8) = 0 [pid 20785] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20785] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20786] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20786] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20786] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20786] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20785] <... futex resumed>) = 0 [pid 20786] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20785] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20786] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20785] <... futex resumed>) = 0 [pid 20786] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20785] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20786] <... futex resumed>) = 0 [pid 20785] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20786] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20785] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20786] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20785] <... futex resumed>) = 0 [pid 20786] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20785] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20786] <... futex resumed>) = 0 [pid 20785] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20786] write(-1, "0x0000000000000001", 18 [pid 20785] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20786] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20785] <... futex resumed>) = 0 [pid 20786] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20785] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20786] <... futex resumed>) = 0 [pid 20785] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20786] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20785] exit_group(0 [pid 20786] <... futex resumed>) = ? [pid 20785] <... exit_group resumed>) = ? [pid 20786] +++ exited with 0 +++ [pid 20785] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20785, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20787 ./strace-static-x86_64: Process 20787 attached [pid 20787] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20787] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20787] setpgid(0, 0) = 0 [pid 20787] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20787] write(3, "1000", 4) = 4 [pid 20787] close(3) = 0 [pid 20787] write(1, "executing program\n", 18executing program ) = 18 [pid 20787] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20787] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20787] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20787] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20787] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20787] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20787] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20788 attached => {parent_tid=[20788]}, 88) = 20788 [pid 20787] rt_sigprocmask(SIG_SETMASK, [], [pid 20788] set_robust_list(0x7f5486a549a0, 24 [pid 20787] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20787] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20787] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20788] <... set_robust_list resumed>) = 0 [pid 20788] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20788] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20788] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20787] <... futex resumed>) = 0 [pid 20787] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20788] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20787] <... futex resumed>) = 0 [pid 20788] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20787] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20788] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20787] <... futex resumed>) = 0 [pid 20787] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20787] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20788] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20788] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20787] <... futex resumed>) = 0 [pid 20787] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20787] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20788] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20788] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20787] <... futex resumed>) = 0 [pid 20787] exit_group(0) = ? [pid 20788] +++ exited with 0 +++ [pid 20787] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20787, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20789 attached , child_tidptr=0x55557e841690) = 20789 [pid 20789] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20789] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20789] setpgid(0, 0) = 0 [pid 20789] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20789] write(3, "1000", 4) = 4 [pid 20789] close(3) = 0 executing program [pid 20789] write(1, "executing program\n", 18) = 18 [pid 20789] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20789] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20789] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20789] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20789] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20789] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20789] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20790 attached => {parent_tid=[20790]}, 88) = 20790 [pid 20789] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20789] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20789] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20790] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20790] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20790] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20790] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20789] <... futex resumed>) = 0 [pid 20789] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20789] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20790] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20790] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20789] <... futex resumed>) = 0 [pid 20789] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20789] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20790] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20790] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20789] <... futex resumed>) = 0 [pid 20789] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20789] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20790] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20790] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20789] <... futex resumed>) = 0 [pid 20789] exit_group(0) = ? [pid 20790] +++ exited with 0 +++ [pid 20789] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20789, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20791 attached , child_tidptr=0x55557e841690) = 20791 [pid 20791] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20791] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20791] setpgid(0, 0) = 0 [pid 20791] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20791] write(3, "1000", 4) = 4 [pid 20791] close(3) = 0 [pid 20791] write(1, "executing program\n", 18executing program ) = 18 [pid 20791] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20791] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20791] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20791] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20791] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20791] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20791] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20792 attached => {parent_tid=[20792]}, 88) = 20792 [pid 20792] set_robust_list(0x7f5486a549a0, 24 [pid 20791] rt_sigprocmask(SIG_SETMASK, [], [pid 20792] <... set_robust_list resumed>) = 0 [pid 20791] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20792] rt_sigprocmask(SIG_SETMASK, [], [pid 20791] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20792] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20791] <... futex resumed>) = 0 [pid 20792] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20791] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20792] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20792] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20791] <... futex resumed>) = 0 [pid 20791] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20791] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20792] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20792] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20791] <... futex resumed>) = 0 [pid 20791] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20791] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20792] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20792] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20791] <... futex resumed>) = 0 [pid 20791] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20791] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20792] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20792] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20791] <... futex resumed>) = 0 [pid 20791] exit_group(0) = ? [pid 20792] +++ exited with 0 +++ [pid 20791] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20791, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20793 ./strace-static-x86_64: Process 20793 attached [pid 20793] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20793] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20793] setpgid(0, 0) = 0 [pid 20793] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20793] write(3, "1000", 4) = 4 [pid 20793] close(3) = 0 [pid 20793] write(1, "executing program\n", 18executing program ) = 18 [pid 20793] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20793] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20793] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20793] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20793] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20793] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20793] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20794 attached [pid 20794] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20794] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20794] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20793] <... clone3 resumed> => {parent_tid=[20794]}, 88) = 20794 [pid 20793] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20793] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20794] <... futex resumed>) = 0 [pid 20793] <... futex resumed>) = 1 [pid 20794] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20793] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20794] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20794] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20793] <... futex resumed>) = 0 [pid 20794] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20793] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20794] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20793] <... futex resumed>) = 0 [pid 20794] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20793] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20794] <... futex resumed>) = 0 [pid 20793] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20794] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20793] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20794] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20793] <... futex resumed>) = 0 [pid 20794] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20793] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20794] <... futex resumed>) = 0 [pid 20793] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20794] write(-1, "0x0000000000000001", 18 [pid 20793] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20794] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20793] <... futex resumed>) = 0 [pid 20794] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20793] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20794] <... futex resumed>) = 0 [pid 20793] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20794] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20793] exit_group(0 [pid 20794] <... futex resumed>) = ? [pid 20793] <... exit_group resumed>) = ? [pid 20794] +++ exited with 0 +++ [pid 20793] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20793, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20795 ./strace-static-x86_64: Process 20795 attached [pid 20795] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20795] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20795] setpgid(0, 0) = 0 [pid 20795] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20795] write(3, "1000", 4) = 4 [pid 20795] close(3) = 0 executing program [pid 20795] write(1, "executing program\n", 18) = 18 [pid 20795] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20795] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20795] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20795] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20795] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20795] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20795] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20796 attached => {parent_tid=[20796]}, 88) = 20796 [pid 20795] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20795] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20795] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20796] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20796] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20796] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20796] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20795] <... futex resumed>) = 0 [pid 20796] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20795] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20796] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20795] <... futex resumed>) = 0 [pid 20796] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20795] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20796] <... futex resumed>) = 0 [pid 20795] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20796] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20795] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20796] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20795] <... futex resumed>) = 0 [pid 20796] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20795] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20796] <... futex resumed>) = 0 [pid 20795] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20796] write(-1, "0x0000000000000001", 18 [pid 20795] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20796] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20795] <... futex resumed>) = 0 [pid 20796] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20795] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20796] <... futex resumed>) = 0 [pid 20795] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20796] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20795] exit_group(0 [pid 20796] <... futex resumed>) = ? [pid 20795] <... exit_group resumed>) = ? [pid 20796] +++ exited with 0 +++ [pid 20795] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20795, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20797 attached , child_tidptr=0x55557e841690) = 20797 [pid 20797] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20797] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20797] setpgid(0, 0) = 0 [pid 20797] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20797] write(3, "1000", 4) = 4 [pid 20797] close(3) = 0 executing program [pid 20797] write(1, "executing program\n", 18) = 18 [pid 20797] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20797] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20797] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20797] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20797] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20797] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20797] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20798 attached => {parent_tid=[20798]}, 88) = 20798 [pid 20797] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20797] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20797] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20798] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20798] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20798] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20798] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20797] <... futex resumed>) = 0 [pid 20798] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20797] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20798] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20797] <... futex resumed>) = 0 [pid 20798] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20797] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20798] <... futex resumed>) = 0 [pid 20797] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20798] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20797] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20798] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20797] <... futex resumed>) = 0 [pid 20798] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20797] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20798] <... futex resumed>) = 0 [pid 20797] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20798] write(-1, "0x0000000000000001", 18 [pid 20797] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20798] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20797] <... futex resumed>) = 0 [pid 20798] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20797] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20798] <... futex resumed>) = 0 [pid 20797] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20798] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20797] exit_group(0 [pid 20798] <... futex resumed>) = ? [pid 20797] <... exit_group resumed>) = ? [pid 20798] +++ exited with 0 +++ [pid 20797] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20797, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20799 ./strace-static-x86_64: Process 20799 attached [pid 20799] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20799] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20799] setpgid(0, 0) = 0 [pid 20799] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20799] write(3, "1000", 4) = 4 [pid 20799] close(3) = 0 [pid 20799] write(1, "executing program\n", 18executing program ) = 18 [pid 20799] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20799] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20799] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20799] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20799] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20799] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20799] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20800 attached [pid 20800] set_robust_list(0x7f5486a549a0, 24 [pid 20799] <... clone3 resumed> => {parent_tid=[20800]}, 88) = 20800 [pid 20800] <... set_robust_list resumed>) = 0 [pid 20800] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20800] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20799] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20799] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20800] <... futex resumed>) = 0 [pid 20799] <... futex resumed>) = 1 [pid 20800] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20799] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20800] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20800] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20799] <... futex resumed>) = 0 [pid 20800] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20799] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20800] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20799] <... futex resumed>) = 0 [pid 20800] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20799] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20800] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20800] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20799] <... futex resumed>) = 0 [pid 20800] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20799] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20800] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20799] <... futex resumed>) = 0 [pid 20800] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20799] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20800] <... futex resumed>) = 0 [pid 20799] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20800] write(-1, "0x0000000000000001", 18 [pid 20799] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20800] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20799] <... futex resumed>) = 0 [pid 20800] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20799] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20800] <... futex resumed>) = 0 [pid 20799] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20800] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20799] exit_group(0 [pid 20800] <... futex resumed>) = ? [pid 20799] <... exit_group resumed>) = ? [pid 20800] +++ exited with 0 +++ [pid 20799] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20799, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20801 attached , child_tidptr=0x55557e841690) = 20801 [pid 20801] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20801] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20801] setpgid(0, 0) = 0 [pid 20801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20801] write(3, "1000", 4) = 4 executing program [pid 20801] close(3) = 0 [pid 20801] write(1, "executing program\n", 18) = 18 [pid 20801] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20801] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20801] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20801] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20801] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20801] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20801] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20802 attached [pid 20802] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20802] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20802] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20801] <... clone3 resumed> => {parent_tid=[20802]}, 88) = 20802 [pid 20801] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20801] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20802] <... futex resumed>) = 0 [pid 20801] <... futex resumed>) = 1 [pid 20802] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20801] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20802] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20802] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20801] <... futex resumed>) = 0 [pid 20802] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20801] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20802] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20801] <... futex resumed>) = 0 [pid 20802] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20801] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20802] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20802] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20801] <... futex resumed>) = 0 [pid 20802] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20801] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20802] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20801] <... futex resumed>) = 0 [pid 20802] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20801] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20802] <... futex resumed>) = 0 [pid 20801] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20802] write(-1, "0x0000000000000001", 18 [pid 20801] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20802] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20801] <... futex resumed>) = 0 [pid 20802] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20801] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20802] <... futex resumed>) = 0 [pid 20801] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20802] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20801] exit_group(0 [pid 20802] <... futex resumed>) = ? [pid 20801] <... exit_group resumed>) = ? [pid 20802] +++ exited with 0 +++ [pid 20801] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20801, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20803 ./strace-static-x86_64: Process 20803 attached [pid 20803] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20803] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20803] setpgid(0, 0) = 0 [pid 20803] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20803] write(3, "1000", 4) = 4 executing program [pid 20803] close(3) = 0 [pid 20803] write(1, "executing program\n", 18) = 18 [pid 20803] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20803] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20803] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20803] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20803] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20803] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20803] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20804 attached => {parent_tid=[20804]}, 88) = 20804 [pid 20803] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20803] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20803] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20804] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20804] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20804] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20804] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20803] <... futex resumed>) = 0 [pid 20804] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20803] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20804] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20803] <... futex resumed>) = 0 [pid 20804] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20803] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20804] <... futex resumed>) = 0 [pid 20803] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20804] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20803] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20804] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20803] <... futex resumed>) = 0 [pid 20804] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20803] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20804] <... futex resumed>) = 0 [pid 20803] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20804] write(-1, "0x0000000000000001", 18 [pid 20803] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20804] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20803] <... futex resumed>) = 0 [pid 20804] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20803] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20804] <... futex resumed>) = 0 [pid 20803] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20804] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20803] exit_group(0 [pid 20804] <... futex resumed>) = ? [pid 20803] <... exit_group resumed>) = ? [pid 20804] +++ exited with 0 +++ [pid 20803] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20803, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20805 ./strace-static-x86_64: Process 20805 attached [pid 20805] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20805] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20805] setpgid(0, 0) = 0 [pid 20805] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20805] write(3, "1000", 4) = 4 [pid 20805] close(3) = 0 [pid 20805] write(1, "executing program\n", 18executing program ) = 18 [pid 20805] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20805] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20805] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20805] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20805] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20805] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20805] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20806]}, 88) = 20806 [pid 20805] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20805] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20805] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20806 attached [pid 20806] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20806] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20806] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20806] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20805] <... futex resumed>) = 0 [pid 20805] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20805] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20806] <... futex resumed>) = 1 [pid 20806] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20806] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20805] <... futex resumed>) = 0 [pid 20805] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20805] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20806] <... futex resumed>) = 1 [pid 20806] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20806] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20805] <... futex resumed>) = 0 [pid 20805] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20805] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20806] <... futex resumed>) = 1 [pid 20806] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20806] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20805] <... futex resumed>) = 0 [pid 20805] exit_group(0) = ? [pid 20806] <... futex resumed>) = ? [pid 20806] +++ exited with 0 +++ [pid 20805] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20805, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20807 attached , child_tidptr=0x55557e841690) = 20807 [pid 20807] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20807] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20807] setpgid(0, 0) = 0 [pid 20807] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20807] write(3, "1000", 4) = 4 [pid 20807] close(3executing program ) = 0 [pid 20807] write(1, "executing program\n", 18) = 18 [pid 20807] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20807] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20807] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20807] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20807] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20807] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20807] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20808 attached => {parent_tid=[20808]}, 88) = 20808 [pid 20807] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20807] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20807] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20808] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20808] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20808] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20808] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20807] <... futex resumed>) = 0 [pid 20807] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20807] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20808] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20808] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20807] <... futex resumed>) = 0 [pid 20807] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20807] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20808] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20808] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20807] <... futex resumed>) = 0 [pid 20807] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20807] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20808] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20808] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20807] <... futex resumed>) = 0 [pid 20807] exit_group(0) = ? [pid 20808] +++ exited with 0 +++ [pid 20807] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20807, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20809 ./strace-static-x86_64: Process 20809 attached [pid 20809] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20809] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20809] setpgid(0, 0) = 0 [pid 20809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20809] write(3, "1000", 4) = 4 [pid 20809] close(3) = 0 [pid 20809] write(1, "executing program\n", 18executing program ) = 18 [pid 20809] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20809] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20809] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20809] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20809] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20809] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20809] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20810]}, 88) = 20810 [pid 20809] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20809] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20809] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20810 attached [pid 20810] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20810] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20810] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20810] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20809] <... futex resumed>) = 0 [pid 20809] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20809] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20810] <... futex resumed>) = 1 [pid 20810] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20810] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20809] <... futex resumed>) = 0 [pid 20809] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20809] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20810] <... futex resumed>) = 1 [pid 20810] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20810] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20809] <... futex resumed>) = 0 [pid 20809] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20809] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20810] <... futex resumed>) = 1 [pid 20810] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20810] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20809] <... futex resumed>) = 0 [pid 20809] exit_group(0) = ? [pid 20810] <... futex resumed>) = ? [pid 20810] +++ exited with 0 +++ [pid 20809] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20809, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20811 ./strace-static-x86_64: Process 20811 attached [pid 20811] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20811] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20811] setpgid(0, 0) = 0 [pid 20811] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20811] write(3, "1000", 4) = 4 [pid 20811] close(3) = 0 executing program [pid 20811] write(1, "executing program\n", 18) = 18 [pid 20811] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20811] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20811] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20811] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20811] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20811] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20811] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20812 attached [pid 20812] set_robust_list(0x7f5486a549a0, 24 [pid 20811] <... clone3 resumed> => {parent_tid=[20812]}, 88) = 20812 [pid 20811] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20811] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20811] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20812] <... set_robust_list resumed>) = 0 [pid 20812] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20812] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20812] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20811] <... futex resumed>) = 0 [pid 20811] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20811] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20812] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20812] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20811] <... futex resumed>) = 0 [pid 20811] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20811] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20812] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20812] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20811] <... futex resumed>) = 0 [pid 20811] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20811] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20812] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20812] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20811] <... futex resumed>) = 0 [pid 20811] exit_group(0) = ? [pid 20812] +++ exited with 0 +++ [pid 20811] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20811, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20814 ./strace-static-x86_64: Process 20814 attached [pid 20814] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20814] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20814] setpgid(0, 0) = 0 [pid 20814] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20814] write(3, "1000", 4) = 4 [pid 20814] close(3) = 0 executing program [pid 20814] write(1, "executing program\n", 18) = 18 [pid 20814] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20814] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20814] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20814] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20814] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20814] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20814] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20815 attached => {parent_tid=[20815]}, 88) = 20815 [pid 20814] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20814] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20814] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20815] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20815] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20815] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20815] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20814] <... futex resumed>) = 0 [pid 20814] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20814] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20815] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20815] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20814] <... futex resumed>) = 0 [pid 20814] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20814] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20815] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20815] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20814] <... futex resumed>) = 0 [pid 20814] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20814] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20815] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20815] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20814] <... futex resumed>) = 0 [pid 20814] exit_group(0) = ? [pid 20815] +++ exited with 0 +++ [pid 20814] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20814, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20816 ./strace-static-x86_64: Process 20816 attached [pid 20816] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20816] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20816] setpgid(0, 0) = 0 [pid 20816] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20816] write(3, "1000", 4) = 4 [pid 20816] close(3) = 0 [pid 20816] write(1, "executing program\n", 18executing program ) = 18 [pid 20816] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20816] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20816] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20816] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20816] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20816] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20816] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20817 attached => {parent_tid=[20817]}, 88) = 20817 [pid 20817] set_robust_list(0x7f5486a549a0, 24 [pid 20816] rt_sigprocmask(SIG_SETMASK, [], [pid 20817] <... set_robust_list resumed>) = 0 [pid 20816] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20817] rt_sigprocmask(SIG_SETMASK, [], [pid 20816] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20817] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20817] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20816] <... futex resumed>) = 0 [pid 20817] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20816] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20817] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20816] <... futex resumed>) = 0 [pid 20817] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20816] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20817] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20816] <... futex resumed>) = 0 [pid 20817] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20816] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20817] <... futex resumed>) = 0 [pid 20816] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20817] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20816] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20817] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20816] <... futex resumed>) = 0 [pid 20817] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20816] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20817] <... futex resumed>) = 0 [pid 20816] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20817] write(-1, "0x0000000000000001", 18 [pid 20816] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20817] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20816] <... futex resumed>) = 0 [pid 20817] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20816] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20817] <... futex resumed>) = 0 [pid 20816] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20817] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20816] exit_group(0 [pid 20817] <... futex resumed>) = ? [pid 20816] <... exit_group resumed>) = ? [pid 20817] +++ exited with 0 +++ [pid 20816] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20816, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20818 ./strace-static-x86_64: Process 20818 attached [pid 20818] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20818] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20818] setpgid(0, 0) = 0 [pid 20818] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20818] write(3, "1000", 4) = 4 [pid 20818] close(3executing program ) = 0 [pid 20818] write(1, "executing program\n", 18) = 18 [pid 20818] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20818] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20818] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20818] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20818] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20818] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20818] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20819 attached => {parent_tid=[20819]}, 88) = 20819 [pid 20818] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20818] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20818] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20819] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20819] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20819] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20819] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20818] <... futex resumed>) = 0 [pid 20819] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20818] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20819] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20818] <... futex resumed>) = 0 [pid 20819] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20818] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20819] <... futex resumed>) = 0 [pid 20818] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20819] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20818] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20819] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20818] <... futex resumed>) = 0 [pid 20819] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20818] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20819] <... futex resumed>) = 0 [pid 20818] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20819] write(-1, "0x0000000000000001", 18 [pid 20818] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20818] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20819] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20819] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20818] <... futex resumed>) = 0 [pid 20819] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20818] exit_group(0 [pid 20819] <... futex resumed>) = ? [pid 20818] <... exit_group resumed>) = ? [pid 20819] +++ exited with 0 +++ [pid 20818] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20818, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20820 attached , child_tidptr=0x55557e841690) = 20820 [pid 20820] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20820] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20820] setpgid(0, 0) = 0 [pid 20820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20820] write(3, "1000", 4) = 4 [pid 20820] close(3) = 0 [pid 20820] write(1, "executing program\n", 18executing program ) = 18 [pid 20820] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20820] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20820] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20820] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20820] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20820] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20820] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20821]}, 88) = 20821 [pid 20820] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20820] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20820] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20821 attached [pid 20821] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20821] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20821] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20821] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20820] <... futex resumed>) = 0 [pid 20820] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20820] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20821] <... futex resumed>) = 1 [pid 20821] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20821] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20820] <... futex resumed>) = 0 [pid 20820] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20820] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20821] <... futex resumed>) = 1 [pid 20821] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20821] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20820] <... futex resumed>) = 0 [pid 20820] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20820] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20821] <... futex resumed>) = 1 [pid 20821] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20821] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20820] <... futex resumed>) = 0 [pid 20820] exit_group(0) = ? [pid 20821] <... futex resumed>) = ? [pid 20821] +++ exited with 0 +++ [pid 20820] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20820, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20822 attached , child_tidptr=0x55557e841690) = 20822 [pid 20822] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20822] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20822] setpgid(0, 0) = 0 [pid 20822] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20822] write(3, "1000", 4) = 4 [pid 20822] close(3) = 0 [pid 20822] write(1, "executing program\n", 18executing program ) = 18 [pid 20822] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20822] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20822] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20822] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20822] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20822] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20822] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20823]}, 88) = 20823 ./strace-static-x86_64: Process 20823 attached [pid 20822] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20822] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20822] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20823] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20823] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20823] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20823] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20822] <... futex resumed>) = 0 [pid 20822] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20822] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20823] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20823] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20822] <... futex resumed>) = 0 [pid 20822] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20822] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20823] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20823] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20822] <... futex resumed>) = 0 [pid 20822] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20822] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20823] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20823] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20822] <... futex resumed>) = 0 [pid 20822] exit_group(0) = ? [pid 20823] +++ exited with 0 +++ [pid 20822] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20822, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20824 attached [pid 20824] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20824] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20824] setpgid(0, 0 [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 20824 [pid 20824] <... setpgid resumed>) = 0 [pid 20824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20824] write(3, "1000", 4) = 4 executing program [pid 20824] close(3) = 0 [pid 20824] write(1, "executing program\n", 18) = 18 [pid 20824] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20824] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20824] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20824] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20824] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20824] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20824] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20825 attached => {parent_tid=[20825]}, 88) = 20825 [pid 20824] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20824] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20824] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20825] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20825] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20825] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20825] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20824] <... futex resumed>) = 0 [pid 20824] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20824] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20825] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20825] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20824] <... futex resumed>) = 0 [pid 20824] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20824] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20825] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20825] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20824] <... futex resumed>) = 0 [pid 20824] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20824] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20825] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20825] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20824] <... futex resumed>) = 0 [pid 20824] exit_group(0) = ? [pid 20825] +++ exited with 0 +++ [pid 20824] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20824, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20826 attached , child_tidptr=0x55557e841690) = 20826 [pid 20826] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20826] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20826] setpgid(0, 0) = 0 [pid 20826] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20826] write(3, "1000", 4) = 4 [pid 20826] close(3) = 0 executing program [pid 20826] write(1, "executing program\n", 18) = 18 [pid 20826] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20826] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20826] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20826] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20826] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20826] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20826] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20827 attached => {parent_tid=[20827]}, 88) = 20827 [pid 20826] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20826] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20826] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20827] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20827] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20827] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20827] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20826] <... futex resumed>) = 0 [pid 20826] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20826] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20827] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20827] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20826] <... futex resumed>) = 0 [pid 20826] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20826] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20827] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20827] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20826] <... futex resumed>) = 0 [pid 20827] write(-1, "0x0000000000000001", 18 [pid 20826] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20827] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20826] <... futex resumed>) = 0 [pid 20827] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20826] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20827] <... futex resumed>) = 0 [pid 20826] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20827] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20826] exit_group(0 [pid 20827] <... futex resumed>) = ? [pid 20826] <... exit_group resumed>) = ? [pid 20827] +++ exited with 0 +++ [pid 20826] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20826, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20828 attached , child_tidptr=0x55557e841690) = 20828 [pid 20828] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20828] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20828] setpgid(0, 0) = 0 [pid 20828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20828] write(3, "1000", 4) = 4 [pid 20828] close(3) = 0 executing program [pid 20828] write(1, "executing program\n", 18) = 18 [pid 20828] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20828] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20828] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20828] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20828] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20828] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20828] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20829 attached => {parent_tid=[20829]}, 88) = 20829 [pid 20829] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20829] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20829] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20828] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20828] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20829] <... futex resumed>) = 0 [pid 20828] <... futex resumed>) = 1 [pid 20829] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20828] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20829] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20829] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20828] <... futex resumed>) = 0 [pid 20829] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20828] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20829] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20828] <... futex resumed>) = 0 [pid 20829] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20828] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20829] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20829] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20828] <... futex resumed>) = 0 [pid 20829] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20828] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20829] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20828] <... futex resumed>) = 0 [pid 20829] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20828] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20829] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20829] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20828] <... futex resumed>) = 0 [pid 20829] write(-1, "0x0000000000000001", 18 [pid 20828] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20829] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20828] <... futex resumed>) = 0 [pid 20829] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20828] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20829] <... futex resumed>) = 0 [pid 20828] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20829] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20828] exit_group(0 [pid 20829] <... futex resumed>) = ? [pid 20828] <... exit_group resumed>) = ? [pid 20829] +++ exited with 0 +++ [pid 20828] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20828, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20830 ./strace-static-x86_64: Process 20830 attached [pid 20830] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20830] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20830] setpgid(0, 0) = 0 [pid 20830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20830] write(3, "1000", 4executing program ) = 4 [pid 20830] close(3) = 0 [pid 20830] write(1, "executing program\n", 18) = 18 [pid 20830] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20830] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20830] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20830] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20830] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20830] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20830] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20831 attached => {parent_tid=[20831]}, 88) = 20831 [pid 20831] set_robust_list(0x7f5486a549a0, 24 [pid 20830] rt_sigprocmask(SIG_SETMASK, [], [pid 20831] <... set_robust_list resumed>) = 0 [pid 20830] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20831] rt_sigprocmask(SIG_SETMASK, [], [pid 20830] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20831] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20830] <... futex resumed>) = 0 [pid 20831] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20830] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20831] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20831] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20830] <... futex resumed>) = 0 [pid 20831] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20830] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20831] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20830] <... futex resumed>) = 0 [pid 20831] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20830] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20831] <... futex resumed>) = 0 [pid 20830] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20831] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20830] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20831] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20830] <... futex resumed>) = 0 [pid 20831] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20830] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20831] <... futex resumed>) = 0 [pid 20830] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20831] write(-1, "0x0000000000000001", 18 [pid 20830] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20830] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20831] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20831] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20830] <... futex resumed>) = 0 [pid 20831] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20830] exit_group(0 [pid 20831] <... futex resumed>) = ? [pid 20830] <... exit_group resumed>) = ? [pid 20831] +++ exited with 0 +++ [pid 20830] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20830, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20832 ./strace-static-x86_64: Process 20832 attached [pid 20832] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20832] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20832] setpgid(0, 0) = 0 [pid 20832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20832] write(3, "1000", 4) = 4 [pid 20832] close(3) = 0 executing program [pid 20832] write(1, "executing program\n", 18) = 18 [pid 20832] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20832] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20832] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20832] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20832] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20832] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20832] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20833 attached => {parent_tid=[20833]}, 88) = 20833 [pid 20832] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20832] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20832] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20833] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20833] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20833] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20833] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20832] <... futex resumed>) = 0 [pid 20833] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20832] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20833] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20832] <... futex resumed>) = 0 [pid 20833] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20832] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20833] <... futex resumed>) = 0 [pid 20832] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20833] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20832] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20833] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20832] <... futex resumed>) = 0 [pid 20833] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20832] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20833] <... futex resumed>) = 0 [pid 20832] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20833] write(-1, "0x0000000000000001", 18 [pid 20832] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20833] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20832] <... futex resumed>) = 0 [pid 20833] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20832] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20833] <... futex resumed>) = 0 [pid 20832] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20833] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20832] exit_group(0 [pid 20833] <... futex resumed>) = ? [pid 20832] <... exit_group resumed>) = ? [pid 20833] +++ exited with 0 +++ [pid 20832] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20832, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20834 ./strace-static-x86_64: Process 20834 attached [pid 20834] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20834] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20834] setpgid(0, 0) = 0 [pid 20834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20834] write(3, "1000", 4) = 4 [pid 20834] close(3executing program ) = 0 [pid 20834] write(1, "executing program\n", 18) = 18 [pid 20834] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20834] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20834] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20834] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20834] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20834] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20834] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20835 attached => {parent_tid=[20835]}, 88) = 20835 [pid 20834] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20834] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20834] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20835] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20835] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20835] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20835] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20834] <... futex resumed>) = 0 [pid 20835] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20834] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20835] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20834] <... futex resumed>) = 0 [pid 20835] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20834] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20835] <... futex resumed>) = 0 [pid 20834] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20835] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20834] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20835] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20834] <... futex resumed>) = 0 [pid 20835] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20834] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20835] <... futex resumed>) = 0 [pid 20834] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20835] write(-1, "0x0000000000000001", 18 [pid 20834] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20835] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20834] <... futex resumed>) = 0 [pid 20835] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20834] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20835] <... futex resumed>) = 0 [pid 20834] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20835] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20834] exit_group(0 [pid 20835] <... futex resumed>) = ? [pid 20834] <... exit_group resumed>) = ? [pid 20835] +++ exited with 0 +++ [pid 20834] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20834, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20836 ./strace-static-x86_64: Process 20836 attached [pid 20836] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20836] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20836] setpgid(0, 0) = 0 [pid 20836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20836] write(3, "1000", 4) = 4 [pid 20836] close(3) = 0 executing program [pid 20836] write(1, "executing program\n", 18) = 18 [pid 20836] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20836] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20836] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20836] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20836] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20836] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20836] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20837 attached => {parent_tid=[20837]}, 88) = 20837 [pid 20837] set_robust_list(0x7f5486a549a0, 24 [pid 20836] rt_sigprocmask(SIG_SETMASK, [], [pid 20837] <... set_robust_list resumed>) = 0 [pid 20836] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20837] rt_sigprocmask(SIG_SETMASK, [], [pid 20836] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20837] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20836] <... futex resumed>) = 0 [pid 20837] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20836] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20837] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20837] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20836] <... futex resumed>) = 0 [pid 20837] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20836] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20837] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20836] <... futex resumed>) = 0 [pid 20837] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20836] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20837] <... futex resumed>) = 0 [pid 20836] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20837] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20836] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20837] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20836] <... futex resumed>) = 0 [pid 20837] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20836] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20837] <... futex resumed>) = 0 [pid 20836] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20837] write(-1, "0x0000000000000001", 18 [pid 20836] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20837] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20836] <... futex resumed>) = 0 [pid 20837] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20836] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20837] <... futex resumed>) = 0 [pid 20836] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20837] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20836] exit_group(0 [pid 20837] <... futex resumed>) = ? [pid 20836] <... exit_group resumed>) = ? [pid 20837] +++ exited with 0 +++ [pid 20836] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20836, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20838 ./strace-static-x86_64: Process 20838 attached [pid 20838] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20838] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20838] setpgid(0, 0) = 0 [pid 20838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20838] write(3, "1000", 4) = 4 executing program [pid 20838] close(3) = 0 [pid 20838] write(1, "executing program\n", 18) = 18 [pid 20838] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20838] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20838] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20838] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20838] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20838] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20838] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20839]}, 88) = 20839 [pid 20838] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20838] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20838] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20839 attached [pid 20839] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20839] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20839] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20839] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20838] <... futex resumed>) = 0 [pid 20838] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20838] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20839] <... futex resumed>) = 1 [pid 20839] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20839] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20838] <... futex resumed>) = 0 [pid 20838] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20838] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20839] <... futex resumed>) = 1 [pid 20839] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20839] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20838] <... futex resumed>) = 0 [pid 20838] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20838] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20839] <... futex resumed>) = 1 [pid 20839] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20839] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20838] <... futex resumed>) = 0 [pid 20838] exit_group(0) = ? [pid 20839] <... futex resumed>) = ? [pid 20839] +++ exited with 0 +++ [pid 20838] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20838, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20840 ./strace-static-x86_64: Process 20840 attached [pid 20840] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20840] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20840] setpgid(0, 0) = 0 [pid 20840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20840] write(3, "1000", 4) = 4 [pid 20840] close(3executing program ) = 0 [pid 20840] write(1, "executing program\n", 18) = 18 [pid 20840] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20840] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20840] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20840] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20840] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20840] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20840] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20841]}, 88) = 20841 [pid 20840] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20840] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20840] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20841 attached [pid 20841] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20841] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20841] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20841] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20840] <... futex resumed>) = 0 [pid 20840] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20840] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20841] <... futex resumed>) = 1 [pid 20841] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20841] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20840] <... futex resumed>) = 0 [pid 20840] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20840] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20841] <... futex resumed>) = 1 [pid 20841] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20841] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20840] <... futex resumed>) = 0 [pid 20840] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20840] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20841] <... futex resumed>) = 1 [pid 20841] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20841] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20840] <... futex resumed>) = 0 [pid 20840] exit_group(0) = ? [pid 20841] <... futex resumed>) = ? [pid 20841] +++ exited with 0 +++ [pid 20840] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20840, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20842 attached , child_tidptr=0x55557e841690) = 20842 [pid 20842] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20842] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20842] setpgid(0, 0) = 0 [pid 20842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20842] write(3, "1000", 4executing program ) = 4 [pid 20842] close(3) = 0 [pid 20842] write(1, "executing program\n", 18) = 18 [pid 20842] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20842] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20842] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20842] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20842] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20842] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20842] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20843]}, 88) = 20843 [pid 20842] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20842] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20842] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20843 attached [pid 20843] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20843] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20843] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20843] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20842] <... futex resumed>) = 0 [pid 20842] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20842] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20843] <... futex resumed>) = 1 [pid 20843] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20843] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20842] <... futex resumed>) = 0 [pid 20842] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20842] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20843] <... futex resumed>) = 1 [pid 20843] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20843] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20842] <... futex resumed>) = 0 [pid 20842] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20842] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20843] <... futex resumed>) = 1 [pid 20843] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20843] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20842] <... futex resumed>) = 0 [pid 20842] exit_group(0) = ? [pid 20843] <... futex resumed>) = ? [pid 20843] +++ exited with 0 +++ [pid 20842] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20842, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20844 ./strace-static-x86_64: Process 20844 attached [pid 20844] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20844] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20844] setpgid(0, 0) = 0 [pid 20844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20844] write(3, "1000", 4) = 4 [pid 20844] close(3executing program ) = 0 [pid 20844] write(1, "executing program\n", 18) = 18 [pid 20844] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20844] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20844] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20844] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20844] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20844] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20844] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20845 attached => {parent_tid=[20845]}, 88) = 20845 [pid 20845] set_robust_list(0x7f5486a549a0, 24 [pid 20844] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20844] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20844] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20845] <... set_robust_list resumed>) = 0 [pid 20845] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20845] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20845] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20844] <... futex resumed>) = 0 [pid 20844] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20844] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20845] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20845] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20844] <... futex resumed>) = 0 [pid 20844] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20844] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20845] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20845] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20844] <... futex resumed>) = 0 [pid 20844] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20844] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20845] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20845] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20844] <... futex resumed>) = 0 [pid 20844] exit_group(0) = ? [pid 20845] +++ exited with 0 +++ [pid 20844] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20844, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20846 attached , child_tidptr=0x55557e841690) = 20846 [pid 20846] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20846] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20846] setpgid(0, 0) = 0 [pid 20846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20846] write(3, "1000", 4) = 4 [pid 20846] close(3executing program ) = 0 [pid 20846] write(1, "executing program\n", 18) = 18 [pid 20846] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20846] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20846] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20846] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20846] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20846] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20846] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20847]}, 88) = 20847 [pid 20846] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20846] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20846] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20847 attached [pid 20847] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20847] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20847] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20847] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20846] <... futex resumed>) = 0 [pid 20846] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20846] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20847] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20847] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20846] <... futex resumed>) = 0 [pid 20846] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20846] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20847] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20847] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20846] <... futex resumed>) = 0 [pid 20846] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20846] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20847] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20847] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20846] <... futex resumed>) = 0 [pid 20846] exit_group(0) = ? [pid 20847] +++ exited with 0 +++ [pid 20846] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20846, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20848 ./strace-static-x86_64: Process 20848 attached [pid 20848] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20848] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20848] setpgid(0, 0) = 0 [pid 20848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20848] write(3, "1000", 4) = 4 executing program [pid 20848] close(3) = 0 [pid 20848] write(1, "executing program\n", 18) = 18 [pid 20848] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20848] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20848] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20848] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20848] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20848] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20848] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20849 attached => {parent_tid=[20849]}, 88) = 20849 [pid 20848] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20848] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20848] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20849] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20849] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20849] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20849] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20848] <... futex resumed>) = 0 [pid 20848] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20848] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20849] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20849] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20848] <... futex resumed>) = 0 [pid 20848] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20848] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20849] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20849] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20848] <... futex resumed>) = 0 [pid 20848] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20848] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20849] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20849] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20848] <... futex resumed>) = 0 [pid 20848] exit_group(0) = ? [pid 20849] +++ exited with 0 +++ [pid 20848] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20848, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20850 ./strace-static-x86_64: Process 20850 attached [pid 20850] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20850] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20850] setpgid(0, 0) = 0 [pid 20850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20850] write(3, "1000", 4) = 4 [pid 20850] close(3) = 0 executing program [pid 20850] write(1, "executing program\n", 18) = 18 [pid 20850] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20850] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20850] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20850] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20850] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20850] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20850] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20851]}, 88) = 20851 ./strace-static-x86_64: Process 20851 attached [pid 20850] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20850] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20850] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20851] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20851] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20851] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20851] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20850] <... futex resumed>) = 0 [pid 20851] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20850] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20851] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20850] <... futex resumed>) = 0 [pid 20851] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20850] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20851] <... futex resumed>) = 0 [pid 20850] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20851] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20850] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20851] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20850] <... futex resumed>) = 0 [pid 20851] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20850] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20851] <... futex resumed>) = 0 [pid 20850] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20851] write(-1, "0x0000000000000001", 18 [pid 20850] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20851] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20850] <... futex resumed>) = 0 [pid 20851] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20850] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20851] <... futex resumed>) = 0 [pid 20850] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20851] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20850] exit_group(0 [pid 20851] <... futex resumed>) = ? [pid 20850] <... exit_group resumed>) = ? [pid 20851] +++ exited with 0 +++ [pid 20850] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20850, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20852 ./strace-static-x86_64: Process 20852 attached [pid 20852] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20852] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20852] setpgid(0, 0) = 0 [pid 20852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20852] write(3, "1000", 4) = 4 [pid 20852] close(3executing program ) = 0 [pid 20852] write(1, "executing program\n", 18) = 18 [pid 20852] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20852] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20852] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20852] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20852] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20852] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20853]}, 88) = 20853 ./strace-static-x86_64: Process 20853 attached [pid 20853] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20853] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20853] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20852] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20852] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20853] <... futex resumed>) = 0 [pid 20852] <... futex resumed>) = 1 [pid 20853] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20852] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20853] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20853] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20852] <... futex resumed>) = 0 [pid 20853] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20852] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20853] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20852] <... futex resumed>) = 0 [pid 20853] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20852] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20853] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20853] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20852] <... futex resumed>) = 0 [pid 20853] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20852] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20853] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20852] <... futex resumed>) = 0 [pid 20853] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20852] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20853] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20853] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20852] <... futex resumed>) = 0 [pid 20852] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20853] write(-1, "0x0000000000000001", 18 [pid 20852] <... futex resumed>) = 0 [pid 20852] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20853] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20853] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20852] <... futex resumed>) = 0 [pid 20853] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20852] exit_group(0) = ? [pid 20853] <... futex resumed>) = ? [pid 20853] +++ exited with 0 +++ [pid 20852] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20852, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20854 ./strace-static-x86_64: Process 20854 attached [pid 20854] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20854] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20854] setpgid(0, 0) = 0 [pid 20854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20854] write(3, "1000", 4executing program ) = 4 [pid 20854] close(3) = 0 [pid 20854] write(1, "executing program\n", 18) = 18 [pid 20854] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20854] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20854] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20854] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20854] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20854] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20854] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20855]}, 88) = 20855 [pid 20854] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20854] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20854] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20855 attached [pid 20855] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20855] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20855] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20855] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20854] <... futex resumed>) = 0 [pid 20854] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20854] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20855] <... futex resumed>) = 1 [pid 20855] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20855] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20854] <... futex resumed>) = 0 [pid 20854] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20854] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20855] <... futex resumed>) = 1 [pid 20855] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20855] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20854] <... futex resumed>) = 0 [pid 20854] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20854] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20855] <... futex resumed>) = 1 [pid 20855] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20855] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20854] <... futex resumed>) = 0 [pid 20854] exit_group(0) = ? [pid 20855] <... futex resumed>) = ? [pid 20855] +++ exited with 0 +++ [pid 20854] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20854, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20856 ./strace-static-x86_64: Process 20856 attached [pid 20856] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20856] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20856] setpgid(0, 0) = 0 [pid 20856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20856] write(3, "1000", 4) = 4 [pid 20856] close(3) = 0 executing program [pid 20856] write(1, "executing program\n", 18) = 18 [pid 20856] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20856] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20856] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20856] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20856] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20856] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20856] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20857]}, 88) = 20857 ./strace-static-x86_64: Process 20857 attached [pid 20856] rt_sigprocmask(SIG_SETMASK, [], [pid 20857] set_robust_list(0x7f5486a549a0, 24 [pid 20856] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20857] <... set_robust_list resumed>) = 0 [pid 20856] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20857] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20856] <... futex resumed>) = 0 [pid 20857] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20856] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20857] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20857] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20856] <... futex resumed>) = 0 [pid 20856] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20856] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20857] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20857] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20856] <... futex resumed>) = 0 [pid 20856] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20856] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20857] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20857] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20856] <... futex resumed>) = 0 [pid 20856] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20856] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20857] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20857] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20856] <... futex resumed>) = 0 [pid 20856] exit_group(0) = ? [pid 20857] +++ exited with 0 +++ [pid 20856] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20856, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20858 attached [pid 20858] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20858] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 20858 [pid 20858] <... prctl resumed>) = 0 [pid 20858] setpgid(0, 0) = 0 [pid 20858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20858] write(3, "1000", 4) = 4 [pid 20858] close(3executing program ) = 0 [pid 20858] write(1, "executing program\n", 18) = 18 [pid 20858] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20858] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20858] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20858] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20858] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20858] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20858] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20859]}, 88) = 20859 [pid 20858] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20858] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20858] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20859 attached [pid 20859] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20859] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20859] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20859] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20858] <... futex resumed>) = 0 [pid 20858] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20858] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20859] <... futex resumed>) = 1 [pid 20859] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20859] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20858] <... futex resumed>) = 0 [pid 20858] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20858] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20859] <... futex resumed>) = 1 [pid 20859] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20859] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20858] <... futex resumed>) = 0 [pid 20858] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20858] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20859] <... futex resumed>) = 1 [pid 20859] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20859] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20858] <... futex resumed>) = 0 [pid 20858] exit_group(0) = ? [pid 20859] <... futex resumed>) = ? [pid 20859] +++ exited with 0 +++ [pid 20858] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20858, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20860 attached , child_tidptr=0x55557e841690) = 20860 [pid 20860] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20860] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20860] setpgid(0, 0) = 0 [pid 20860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20860] write(3, "1000", 4) = 4 [pid 20860] close(3) = 0 executing program [pid 20860] write(1, "executing program\n", 18) = 18 [pid 20860] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20860] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20860] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20860] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20860] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20860] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20860] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20861 attached => {parent_tid=[20861]}, 88) = 20861 [pid 20860] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20860] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20860] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20861] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20861] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20861] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20861] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20860] <... futex resumed>) = 0 [pid 20860] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20860] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20861] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20861] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20860] <... futex resumed>) = 0 [pid 20860] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20860] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20861] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20861] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20860] <... futex resumed>) = 0 [pid 20860] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20860] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20861] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20861] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20860] <... futex resumed>) = 0 [pid 20860] exit_group(0) = ? [pid 20861] +++ exited with 0 +++ [pid 20860] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20860, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20862 ./strace-static-x86_64: Process 20862 attached [pid 20862] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20862] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20862] setpgid(0, 0) = 0 [pid 20862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20862] write(3, "1000", 4) = 4 [pid 20862] close(3) = 0 [pid 20862] write(1, "executing program\n", 18executing program ) = 18 [pid 20862] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20862] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20862] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20862] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20862] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20862] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20862] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20863]}, 88) = 20863 [pid 20862] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20862] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20862] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20863 attached [pid 20863] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20863] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20863] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20863] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20862] <... futex resumed>) = 0 [pid 20862] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20862] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20863] <... futex resumed>) = 1 [pid 20863] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20863] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20862] <... futex resumed>) = 0 [pid 20862] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20862] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20863] <... futex resumed>) = 1 [pid 20863] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20863] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20862] <... futex resumed>) = 0 [pid 20862] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20862] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20863] <... futex resumed>) = 1 [pid 20863] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20863] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20862] <... futex resumed>) = 0 [pid 20862] exit_group(0) = ? [pid 20863] <... futex resumed>) = ? [pid 20863] +++ exited with 0 +++ [pid 20862] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20862, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20864 attached , child_tidptr=0x55557e841690) = 20864 [pid 20864] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20864] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20864] setpgid(0, 0) = 0 [pid 20864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20864] write(3, "1000", 4) = 4 [pid 20864] close(3) = 0 executing program [pid 20864] write(1, "executing program\n", 18) = 18 [pid 20864] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20864] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20864] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20864] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20864] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20864] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20864] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20865]}, 88) = 20865 [pid 20864] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20864] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20864] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20865 attached [pid 20865] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20865] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20865] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20865] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20864] <... futex resumed>) = 0 [pid 20864] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20864] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20865] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20865] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20864] <... futex resumed>) = 0 [pid 20864] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20864] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20865] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20865] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20864] <... futex resumed>) = 0 [pid 20864] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20864] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20865] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20865] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20864] <... futex resumed>) = 0 [pid 20864] exit_group(0) = ? [pid 20865] +++ exited with 0 +++ [pid 20864] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20864, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20866 ./strace-static-x86_64: Process 20866 attached [pid 20866] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20866] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20866] setpgid(0, 0) = 0 [pid 20866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20866] write(3, "1000", 4) = 4 [pid 20866] close(3) = 0 [pid 20866] write(1, "executing program\n", 18executing program ) = 18 [pid 20866] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20866] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20866] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20866] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20866] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20866] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20866] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20867 attached => {parent_tid=[20867]}, 88) = 20867 [pid 20866] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20866] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20866] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20867] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20867] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20867] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20867] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20866] <... futex resumed>) = 0 [pid 20866] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20866] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20867] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20867] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20866] <... futex resumed>) = 0 [pid 20866] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20866] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20867] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20867] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20866] <... futex resumed>) = 0 [pid 20866] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20866] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20867] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20867] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20866] <... futex resumed>) = 0 [pid 20866] exit_group(0) = ? [pid 20867] +++ exited with 0 +++ [pid 20866] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20866, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20868 attached , child_tidptr=0x55557e841690) = 20868 [pid 20868] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20868] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20868] setpgid(0, 0) = 0 [pid 20868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20868] write(3, "1000", 4) = 4 [pid 20868] close(3) = 0 [pid 20868] write(1, "executing program\n", 18) = 18 executing program [pid 20868] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20868] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20868] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20868] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20868] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20868] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20868] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20869]}, 88) = 20869 [pid 20868] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20868] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20868] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20869 attached [pid 20869] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20869] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20869] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20869] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20868] <... futex resumed>) = 0 [pid 20868] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20868] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20869] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20869] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20868] <... futex resumed>) = 0 [pid 20868] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20868] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20869] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20869] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20868] <... futex resumed>) = 0 [pid 20868] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20868] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20869] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20869] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20868] <... futex resumed>) = 0 [pid 20868] exit_group(0) = ? [pid 20869] +++ exited with 0 +++ [pid 20868] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20868, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20870 ./strace-static-x86_64: Process 20870 attached [pid 20870] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20870] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20870] setpgid(0, 0) = 0 [pid 20870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20870] write(3, "1000", 4) = 4 [pid 20870] close(3) = 0 executing program [pid 20870] write(1, "executing program\n", 18) = 18 [pid 20870] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20870] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20870] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20870] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20870] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20870] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20870] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20871 attached => {parent_tid=[20871]}, 88) = 20871 [pid 20870] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20870] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20870] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20871] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20871] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20871] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20871] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20870] <... futex resumed>) = 0 [pid 20871] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20870] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20871] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20870] <... futex resumed>) = 0 [pid 20871] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20870] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20871] <... futex resumed>) = 0 [pid 20870] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20871] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20870] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20871] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20870] <... futex resumed>) = 0 [pid 20871] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20870] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20871] <... futex resumed>) = 0 [pid 20870] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20871] write(-1, "0x0000000000000001", 18 [pid 20870] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20871] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20870] <... futex resumed>) = 0 [pid 20871] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20870] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20871] <... futex resumed>) = 0 [pid 20870] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20871] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20870] exit_group(0 [pid 20871] <... futex resumed>) = ? [pid 20870] <... exit_group resumed>) = ? [pid 20871] +++ exited with 0 +++ [pid 20870] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20870, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20872 ./strace-static-x86_64: Process 20872 attached [pid 20872] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20872] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20872] setpgid(0, 0) = 0 [pid 20872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20872] write(3, "1000", 4) = 4 [pid 20872] close(3) = 0 executing program [pid 20872] write(1, "executing program\n", 18) = 18 [pid 20872] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20872] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20872] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20872] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20872] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20872] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20872] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20873 attached => {parent_tid=[20873]}, 88) = 20873 [pid 20872] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20872] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20872] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20873] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20873] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20873] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20873] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20872] <... futex resumed>) = 0 [pid 20873] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20872] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20873] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20872] <... futex resumed>) = 0 [pid 20873] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20872] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20873] <... futex resumed>) = 0 [pid 20872] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20873] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20872] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20873] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20872] <... futex resumed>) = 0 [pid 20873] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20872] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20873] <... futex resumed>) = 0 [pid 20872] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20873] write(-1, "0x0000000000000001", 18 [pid 20872] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20873] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20872] <... futex resumed>) = 0 [pid 20873] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20872] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20873] <... futex resumed>) = 0 [pid 20872] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20873] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20872] exit_group(0 [pid 20873] <... futex resumed>) = ? [pid 20872] <... exit_group resumed>) = ? [pid 20873] +++ exited with 0 +++ [pid 20872] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20872, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20874 attached , child_tidptr=0x55557e841690) = 20874 [pid 20874] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20874] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20874] setpgid(0, 0) = 0 [pid 20874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20874] write(3, "1000", 4) = 4 [pid 20874] close(3) = 0 executing program [pid 20874] write(1, "executing program\n", 18) = 18 [pid 20874] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20874] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20874] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20874] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20874] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20874] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20874] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20875 attached => {parent_tid=[20875]}, 88) = 20875 [pid 20875] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20874] rt_sigprocmask(SIG_SETMASK, [], [pid 20875] rt_sigprocmask(SIG_SETMASK, [], [pid 20874] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20875] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20874] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20875] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20874] <... futex resumed>) = 0 [pid 20875] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20874] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20875] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20874] <... futex resumed>) = 0 [pid 20875] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20874] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20875] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20874] <... futex resumed>) = 0 [pid 20875] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20874] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20875] <... futex resumed>) = 0 [pid 20874] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20875] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20874] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20875] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20874] <... futex resumed>) = 0 [pid 20875] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20874] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20875] <... futex resumed>) = 0 [pid 20874] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20875] write(-1, "0x0000000000000001", 18 [pid 20874] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20875] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20874] <... futex resumed>) = 0 [pid 20875] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20874] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20875] <... futex resumed>) = 0 [pid 20874] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20875] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20874] exit_group(0 [pid 20875] <... futex resumed>) = ? [pid 20874] <... exit_group resumed>) = ? [pid 20875] +++ exited with 0 +++ [pid 20874] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20874, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20876 attached , child_tidptr=0x55557e841690) = 20876 [pid 20876] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20876] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20876] setpgid(0, 0) = 0 [pid 20876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20876] write(3, "1000", 4) = 4 [pid 20876] close(3) = 0 executing program [pid 20876] write(1, "executing program\n", 18) = 18 [pid 20876] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20876] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20876] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20876] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20876] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20876] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20876] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20877]}, 88) = 20877 [pid 20876] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20876] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20876] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20877 attached [pid 20877] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20877] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20877] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20877] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20876] <... futex resumed>) = 0 [pid 20876] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20876] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20877] <... futex resumed>) = 1 [pid 20877] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20877] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20876] <... futex resumed>) = 0 [pid 20876] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20876] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20877] <... futex resumed>) = 1 [pid 20877] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20877] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20876] <... futex resumed>) = 0 [pid 20876] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20876] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20877] <... futex resumed>) = 1 [pid 20877] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20877] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20876] <... futex resumed>) = 0 [pid 20876] exit_group(0) = ? [pid 20877] <... futex resumed>) = ? [pid 20877] +++ exited with 0 +++ [pid 20876] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20876, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20878 ./strace-static-x86_64: Process 20878 attached [pid 20878] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20878] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20878] setpgid(0, 0) = 0 [pid 20878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20878] write(3, "1000", 4) = 4 [pid 20878] close(3) = 0 [pid 20878] write(1, "executing program\n", 18executing program ) = 18 [pid 20878] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20878] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20878] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20878] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20878] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20878] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20878] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20879 attached => {parent_tid=[20879]}, 88) = 20879 [pid 20878] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20878] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20878] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20879] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20879] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20879] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20879] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20878] <... futex resumed>) = 0 [pid 20878] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20878] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20879] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20879] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20878] <... futex resumed>) = 0 [pid 20878] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20878] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20879] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20879] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20878] <... futex resumed>) = 0 [pid 20878] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20878] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20879] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20879] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20878] <... futex resumed>) = 0 [pid 20878] exit_group(0) = ? [pid 20879] +++ exited with 0 +++ [pid 20878] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20878, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20880 attached [pid 20880] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20880] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 20880 [pid 20880] <... prctl resumed>) = 0 [pid 20880] setpgid(0, 0) = 0 [pid 20880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20880] write(3, "1000", 4) = 4 [pid 20880] close(3) = 0 executing program [pid 20880] write(1, "executing program\n", 18) = 18 [pid 20880] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20880] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20880] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20880] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20880] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20880] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20880] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20881 attached => {parent_tid=[20881]}, 88) = 20881 [pid 20881] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20881] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20881] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20880] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20880] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20881] <... futex resumed>) = 0 [pid 20881] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20880] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20881] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20881] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20880] <... futex resumed>) = 0 [pid 20880] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20880] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20881] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20881] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20880] <... futex resumed>) = 0 [pid 20880] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20880] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20881] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20881] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20880] <... futex resumed>) = 0 [pid 20880] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20880] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20881] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20881] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20880] <... futex resumed>) = 0 [pid 20880] exit_group(0) = ? [pid 20881] +++ exited with 0 +++ [pid 20880] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20880, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20882 attached , child_tidptr=0x55557e841690) = 20882 [pid 20882] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20882] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20882] setpgid(0, 0) = 0 [pid 20882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20882] write(3, "1000", 4) = 4 [pid 20882] close(3) = 0 executing program [pid 20882] write(1, "executing program\n", 18) = 18 [pid 20882] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20882] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20882] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20882] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20882] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20882] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20882] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20883]}, 88) = 20883 [pid 20882] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20882] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20882] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20883 attached [pid 20883] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20883] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20883] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20883] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20882] <... futex resumed>) = 0 [pid 20882] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20882] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20883] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20883] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20882] <... futex resumed>) = 0 [pid 20882] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20882] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20883] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20883] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20882] <... futex resumed>) = 0 [pid 20882] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20882] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20883] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20883] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20882] <... futex resumed>) = 0 [pid 20882] exit_group(0) = ? [pid 20883] +++ exited with 0 +++ [pid 20882] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20882, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20884 attached [pid 20884] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20884] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 20884 [pid 20884] setpgid(0, 0) = 0 [pid 20884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20884] write(3, "1000", 4) = 4 [pid 20884] close(3) = 0 executing program [pid 20884] write(1, "executing program\n", 18) = 18 [pid 20884] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20884] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20884] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20884] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20884] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20884] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20884] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20885]}, 88) = 20885 [pid 20884] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20884] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20884] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20885 attached [pid 20885] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20885] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20885] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20885] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20884] <... futex resumed>) = 0 [pid 20884] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20884] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20885] <... futex resumed>) = 1 [pid 20885] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20885] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20884] <... futex resumed>) = 0 [pid 20884] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20884] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20885] <... futex resumed>) = 1 [pid 20885] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20885] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20884] <... futex resumed>) = 0 [pid 20884] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20884] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20885] <... futex resumed>) = 1 [pid 20885] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20885] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20884] <... futex resumed>) = 0 [pid 20884] exit_group(0) = ? [pid 20885] <... futex resumed>) = ? [pid 20885] +++ exited with 0 +++ [pid 20884] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20884, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20886 attached , child_tidptr=0x55557e841690) = 20886 [pid 20886] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20886] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20886] setpgid(0, 0) = 0 [pid 20886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20886] write(3, "1000", 4) = 4 [pid 20886] close(3) = 0 [pid 20886] write(1, "executing program\n", 18executing program ) = 18 [pid 20886] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20886] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20886] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20886] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20886] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20886] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20886] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20887 attached => {parent_tid=[20887]}, 88) = 20887 [pid 20886] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20886] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20886] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20887] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20887] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20887] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20887] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20886] <... futex resumed>) = 0 [pid 20886] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20886] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20887] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20887] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20886] <... futex resumed>) = 0 [pid 20886] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20886] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20887] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20887] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20886] <... futex resumed>) = 0 [pid 20886] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20886] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20887] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20887] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20886] <... futex resumed>) = 0 [pid 20886] exit_group(0) = ? [pid 20887] +++ exited with 0 +++ [pid 20886] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20886, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20888 attached , child_tidptr=0x55557e841690) = 20888 [pid 20888] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20888] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20888] setpgid(0, 0) = 0 [pid 20888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20888] write(3, "1000", 4) = 4 [pid 20888] close(3) = 0 [pid 20888] write(1, "executing program\n", 18executing program ) = 18 [pid 20888] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20888] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20888] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20888] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20888] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20888] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20888] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20889 attached => {parent_tid=[20889]}, 88) = 20889 [pid 20889] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20889] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20889] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20888] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20888] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20889] <... futex resumed>) = 0 [pid 20889] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20888] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20889] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20889] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20888] <... futex resumed>) = 0 [pid 20888] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20888] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20889] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20889] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20888] <... futex resumed>) = 0 [pid 20888] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20888] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20889] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20889] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20888] <... futex resumed>) = 0 [pid 20888] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20888] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20889] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20889] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20888] <... futex resumed>) = 0 [pid 20888] exit_group(0) = ? [pid 20889] +++ exited with 0 +++ [pid 20888] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20888, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20890 attached , child_tidptr=0x55557e841690) = 20890 [pid 20890] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20890] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20890] setpgid(0, 0) = 0 [pid 20890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20890] write(3, "1000", 4) = 4 [pid 20890] close(3) = 0 executing program [pid 20890] write(1, "executing program\n", 18) = 18 [pid 20890] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20890] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20890] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20890] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20890] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20890] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20890] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20891]}, 88) = 20891 [pid 20890] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20890] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20890] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20891 attached [pid 20891] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20891] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20891] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20891] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20890] <... futex resumed>) = 0 [pid 20890] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20890] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20891] <... futex resumed>) = 1 [pid 20891] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20891] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20890] <... futex resumed>) = 0 [pid 20890] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20890] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20891] <... futex resumed>) = 1 [pid 20891] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20891] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20890] <... futex resumed>) = 0 [pid 20890] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20890] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20891] <... futex resumed>) = 1 [pid 20891] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20891] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20890] <... futex resumed>) = 0 [pid 20890] exit_group(0) = ? [pid 20891] <... futex resumed>) = ? [pid 20891] +++ exited with 0 +++ [pid 20890] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20890, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20892 attached , child_tidptr=0x55557e841690) = 20892 [pid 20892] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20892] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20892] setpgid(0, 0) = 0 [pid 20892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20892] write(3, "1000", 4) = 4 [pid 20892] close(3) = 0 executing program [pid 20892] write(1, "executing program\n", 18) = 18 [pid 20892] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20892] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20892] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20892] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20892] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20892] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20892] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20893]}, 88) = 20893 [pid 20892] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20892] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20892] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20893 attached [pid 20893] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20893] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20893] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20893] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20892] <... futex resumed>) = 0 [pid 20892] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20892] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20893] <... futex resumed>) = 1 [pid 20893] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20893] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20892] <... futex resumed>) = 0 [pid 20892] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20892] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20893] <... futex resumed>) = 1 [pid 20893] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20893] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20892] <... futex resumed>) = 0 [pid 20892] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20892] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20893] <... futex resumed>) = 1 [pid 20893] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20893] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20892] <... futex resumed>) = 0 [pid 20892] exit_group(0) = ? [pid 20893] <... futex resumed>) = ? [pid 20893] +++ exited with 0 +++ [pid 20892] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20892, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20894 attached , child_tidptr=0x55557e841690) = 20894 [pid 20894] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20894] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20894] setpgid(0, 0) = 0 [pid 20894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20894] write(3, "1000", 4) = 4 executing program [pid 20894] close(3) = 0 [pid 20894] write(1, "executing program\n", 18) = 18 [pid 20894] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20894] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20894] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20894] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20894] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20894] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20894] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20895]}, 88) = 20895 [pid 20894] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20894] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20894] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20895 attached [pid 20895] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20895] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20895] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20895] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20894] <... futex resumed>) = 0 [pid 20894] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20894] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20895] <... futex resumed>) = 1 [pid 20895] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20895] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20894] <... futex resumed>) = 0 [pid 20894] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20894] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20895] <... futex resumed>) = 1 [pid 20895] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20895] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20894] <... futex resumed>) = 0 [pid 20894] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20894] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20895] <... futex resumed>) = 1 [pid 20895] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20895] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20894] <... futex resumed>) = 0 [pid 20894] exit_group(0) = ? [pid 20895] <... futex resumed>) = ? [pid 20895] +++ exited with 0 +++ [pid 20894] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20894, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20896 attached , child_tidptr=0x55557e841690) = 20896 [pid 20896] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20896] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20896] setpgid(0, 0) = 0 [pid 20896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20896] write(3, "1000", 4) = 4 [pid 20896] close(3) = 0 executing program [pid 20896] write(1, "executing program\n", 18) = 18 [pid 20896] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20896] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20896] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20896] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20896] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20896] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20896] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20897]}, 88) = 20897 [pid 20896] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20896] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20896] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20897 attached [pid 20897] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20897] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20897] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20897] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20896] <... futex resumed>) = 0 [pid 20896] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20896] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20897] <... futex resumed>) = 1 [pid 20897] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20897] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20896] <... futex resumed>) = 0 [pid 20896] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20896] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20897] <... futex resumed>) = 1 [pid 20897] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20897] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20896] <... futex resumed>) = 0 [pid 20896] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20896] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20897] <... futex resumed>) = 1 [pid 20897] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20897] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20896] <... futex resumed>) = 0 [pid 20896] exit_group(0) = ? [pid 20897] <... futex resumed>) = ? [pid 20897] +++ exited with 0 +++ [pid 20896] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20896, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20898 attached , child_tidptr=0x55557e841690) = 20898 [pid 20898] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20898] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20898] setpgid(0, 0) = 0 [pid 20898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20898] write(3, "1000", 4) = 4 [pid 20898] close(3) = 0 [pid 20898] write(1, "executing program\n", 18executing program ) = 18 [pid 20898] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20898] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20898] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20898] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20898] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20898] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20898] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20899 attached => {parent_tid=[20899]}, 88) = 20899 [pid 20899] set_robust_list(0x7f5486a549a0, 24 [pid 20898] rt_sigprocmask(SIG_SETMASK, [], [pid 20899] <... set_robust_list resumed>) = 0 [pid 20898] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20899] rt_sigprocmask(SIG_SETMASK, [], [pid 20898] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20899] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20898] <... futex resumed>) = 0 [pid 20899] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20898] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20899] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20899] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20898] <... futex resumed>) = 0 [pid 20898] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20898] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20899] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20899] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20898] <... futex resumed>) = 0 [pid 20898] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20898] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20899] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20899] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20898] <... futex resumed>) = 0 [pid 20898] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20898] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20899] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20899] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20899] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20898] <... futex resumed>) = 0 [pid 20898] exit_group(0) = ? [pid 20899] <... futex resumed>) = ? [pid 20899] +++ exited with 0 +++ [pid 20898] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20898, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20900 attached , child_tidptr=0x55557e841690) = 20900 [pid 20900] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20900] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20900] setpgid(0, 0) = 0 [pid 20900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20900] write(3, "1000", 4) = 4 [pid 20900] close(3) = 0 [pid 20900] write(1, "executing program\n", 18executing program ) = 18 [pid 20900] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20900] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20900] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20900] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20900] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20900] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20900] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20901 attached => {parent_tid=[20901]}, 88) = 20901 [pid 20900] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20900] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20900] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20901] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20901] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20901] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20901] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20900] <... futex resumed>) = 0 [pid 20900] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20900] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20901] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20901] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20900] <... futex resumed>) = 0 [pid 20900] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20900] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20901] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20901] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20900] <... futex resumed>) = 0 [pid 20900] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20900] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20901] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20901] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20900] <... futex resumed>) = 0 [pid 20900] exit_group(0) = ? [pid 20901] +++ exited with 0 +++ [pid 20900] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20900, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20902 ./strace-static-x86_64: Process 20902 attached [pid 20902] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20902] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20902] setpgid(0, 0) = 0 [pid 20902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20902] write(3, "1000", 4) = 4 [pid 20902] close(3) = 0 executing program [pid 20902] write(1, "executing program\n", 18) = 18 [pid 20902] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20902] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20902] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20902] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20902] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20902] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20902] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20903 attached => {parent_tid=[20903]}, 88) = 20903 [pid 20902] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20902] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20902] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20903] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20903] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20903] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20903] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20902] <... futex resumed>) = 0 [pid 20902] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20902] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20903] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20903] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20902] <... futex resumed>) = 0 [pid 20902] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20902] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20903] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20903] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20902] <... futex resumed>) = 0 [pid 20902] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20902] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20903] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20903] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20902] <... futex resumed>) = 0 [pid 20902] exit_group(0) = ? [pid 20903] +++ exited with 0 +++ [pid 20902] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20902, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20904 ./strace-static-x86_64: Process 20904 attached [pid 20904] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20904] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20904] setpgid(0, 0) = 0 [pid 20904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20904] write(3, "1000", 4) = 4 [pid 20904] close(3) = 0 executing program [pid 20904] write(1, "executing program\n", 18) = 18 [pid 20904] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20904] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20904] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20904] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20904] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20904] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20904] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20905]}, 88) = 20905 [pid 20904] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20904] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20904] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20905 attached [pid 20905] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20905] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20905] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20905] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20904] <... futex resumed>) = 0 [pid 20904] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20904] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20905] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20905] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20904] <... futex resumed>) = 0 [pid 20904] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20904] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20905] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20905] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20904] <... futex resumed>) = 0 [pid 20904] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20904] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20905] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20905] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20904] <... futex resumed>) = 0 [pid 20904] exit_group(0) = ? [pid 20905] +++ exited with 0 +++ [pid 20904] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20904, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20906 attached [pid 20906] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20906] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20906] setpgid(0, 0) = 0 [pid 20906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 20906 [pid 20906] write(3, "1000", 4) = 4 [pid 20906] close(3executing program ) = 0 [pid 20906] write(1, "executing program\n", 18) = 18 [pid 20906] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20906] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20906] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20906] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20906] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20906] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20906] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20907]}, 88) = 20907 ./strace-static-x86_64: Process 20907 attached [pid 20906] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20906] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20906] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20907] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20907] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20907] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20907] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20906] <... futex resumed>) = 0 [pid 20906] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20906] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20907] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20907] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20906] <... futex resumed>) = 0 [pid 20906] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20906] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20907] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20907] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20906] <... futex resumed>) = 0 [pid 20906] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20906] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20907] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20907] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20906] <... futex resumed>) = 0 [pid 20906] exit_group(0) = ? [pid 20907] +++ exited with 0 +++ [pid 20906] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20906, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20908 ./strace-static-x86_64: Process 20908 attached [pid 20908] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20908] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20908] setpgid(0, 0) = 0 [pid 20908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20908] write(3, "1000", 4) = 4 [pid 20908] close(3) = 0 executing program [pid 20908] write(1, "executing program\n", 18) = 18 [pid 20908] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20908] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20908] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20908] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20908] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20908] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20908] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20909]}, 88) = 20909 [pid 20908] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20908] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20908] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20909 attached [pid 20909] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20909] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20909] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20909] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20908] <... futex resumed>) = 0 [pid 20908] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20908] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20909] <... futex resumed>) = 1 [pid 20909] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20909] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20908] <... futex resumed>) = 0 [pid 20908] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20908] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20909] <... futex resumed>) = 1 [pid 20909] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20909] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20908] <... futex resumed>) = 0 [pid 20908] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20908] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20909] <... futex resumed>) = 1 [pid 20909] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20909] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20908] <... futex resumed>) = 0 [pid 20908] exit_group(0) = ? [pid 20909] <... futex resumed>) = ? [pid 20909] +++ exited with 0 +++ [pid 20908] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20908, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20910 attached , child_tidptr=0x55557e841690) = 20910 [pid 20910] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20910] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20910] setpgid(0, 0) = 0 [pid 20910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20910] write(3, "1000", 4) = 4 [pid 20910] close(3) = 0 [pid 20910] write(1, "executing program\n", 18executing program ) = 18 [pid 20910] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20910] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20910] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20910] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20910] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20910] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20910] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20911]}, 88) = 20911 [pid 20910] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20910] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20910] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20911 attached [pid 20911] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20911] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20911] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20911] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20910] <... futex resumed>) = 0 [pid 20910] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20910] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20911] <... futex resumed>) = 1 [pid 20911] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20911] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20910] <... futex resumed>) = 0 [pid 20910] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20910] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20911] <... futex resumed>) = 1 [pid 20911] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20911] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20910] <... futex resumed>) = 0 [pid 20910] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20910] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20911] <... futex resumed>) = 1 [pid 20911] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20911] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20910] <... futex resumed>) = 0 [pid 20910] exit_group(0) = ? [pid 20911] <... futex resumed>) = ? [pid 20911] +++ exited with 0 +++ [pid 20910] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20910, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20912 attached , child_tidptr=0x55557e841690) = 20912 [pid 20912] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20912] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20912] setpgid(0, 0) = 0 [pid 20912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20912] write(3, "1000", 4) = 4 [pid 20912] close(3) = 0 [pid 20912] write(1, "executing program\n", 18executing program ) = 18 [pid 20912] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20912] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20912] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20912] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20912] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20912] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20912] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20913 attached => {parent_tid=[20913]}, 88) = 20913 [pid 20912] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20912] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20912] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20913] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20913] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20913] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20913] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20912] <... futex resumed>) = 0 [pid 20912] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20912] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20913] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20913] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20912] <... futex resumed>) = 0 [pid 20912] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20912] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20913] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20913] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20912] <... futex resumed>) = 0 [pid 20912] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20912] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20913] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20913] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20912] <... futex resumed>) = 0 [pid 20912] exit_group(0) = ? [pid 20913] +++ exited with 0 +++ [pid 20912] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20912, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20914 attached , child_tidptr=0x55557e841690) = 20914 [pid 20914] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20914] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20914] setpgid(0, 0) = 0 [pid 20914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20914] write(3, "1000", 4) = 4 [pid 20914] close(3) = 0 executing program [pid 20914] write(1, "executing program\n", 18) = 18 [pid 20914] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20914] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20914] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20914] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20914] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20914] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20914] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20915]}, 88) = 20915 [pid 20914] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20914] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20914] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20915 attached [pid 20915] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20915] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20915] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20915] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20914] <... futex resumed>) = 0 [pid 20914] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20914] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20915] <... futex resumed>) = 1 [pid 20915] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20915] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20914] <... futex resumed>) = 0 [pid 20914] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20914] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20915] <... futex resumed>) = 1 [pid 20915] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20915] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20914] <... futex resumed>) = 0 [pid 20914] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20914] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20915] <... futex resumed>) = 1 [pid 20915] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20915] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20914] <... futex resumed>) = 0 [pid 20914] exit_group(0) = ? [pid 20915] <... futex resumed>) = ? [pid 20915] +++ exited with 0 +++ [pid 20914] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20914, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20916 attached , child_tidptr=0x55557e841690) = 20916 [pid 20916] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20916] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20916] setpgid(0, 0) = 0 [pid 20916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20916] write(3, "1000", 4) = 4 [pid 20916] close(3) = 0 [pid 20916] write(1, "executing program\n", 18executing program ) = 18 [pid 20916] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20916] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20916] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20916] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20916] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20916] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20916] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20917 attached => {parent_tid=[20917]}, 88) = 20917 [pid 20916] rt_sigprocmask(SIG_SETMASK, [], [pid 20917] set_robust_list(0x7f5486a549a0, 24 [pid 20916] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20917] <... set_robust_list resumed>) = 0 [pid 20917] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20916] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20917] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20917] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20916] <... futex resumed>) = 0 [pid 20917] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20916] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 20916] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20917] <... futex resumed>) = 0 [pid 20917] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20916] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20917] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20916] <... futex resumed>) = 0 [pid 20916] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20917] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20916] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20917] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20917] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20916] <... futex resumed>) = 0 [pid 20916] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20916] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20917] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20917] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20916] <... futex resumed>) = 0 [pid 20916] exit_group(0) = ? [pid 20917] +++ exited with 0 +++ [pid 20916] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20916, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20918 ./strace-static-x86_64: Process 20918 attached [pid 20918] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20918] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20918] setpgid(0, 0) = 0 [pid 20918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20918] write(3, "1000", 4) = 4 [pid 20918] close(3) = 0 executing program [pid 20918] write(1, "executing program\n", 18) = 18 [pid 20918] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20918] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20918] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20918] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20918] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20918] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20918] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20919]}, 88) = 20919 [pid 20918] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20918] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20918] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20919 attached [pid 20919] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20919] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20919] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20919] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20918] <... futex resumed>) = 0 [pid 20918] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20918] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20919] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20919] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20918] <... futex resumed>) = 0 [pid 20918] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20918] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20919] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20919] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20918] <... futex resumed>) = 0 [pid 20918] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20918] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20919] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20919] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20918] <... futex resumed>) = 0 [pid 20918] exit_group(0) = ? [pid 20919] +++ exited with 0 +++ [pid 20918] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20918, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20920 ./strace-static-x86_64: Process 20920 attached [pid 20920] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20920] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20920] setpgid(0, 0) = 0 [pid 20920] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20920] write(3, "1000", 4) = 4 [pid 20920] close(3) = 0 executing program [pid 20920] write(1, "executing program\n", 18) = 18 [pid 20920] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20920] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20920] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20920] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20920] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20920] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20920] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20921]}, 88) = 20921 [pid 20920] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20920] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20920] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20921 attached [pid 20921] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20921] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20921] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20921] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20920] <... futex resumed>) = 0 [pid 20920] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20920] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20921] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20921] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20920] <... futex resumed>) = 0 [pid 20920] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20920] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20921] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20921] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20920] <... futex resumed>) = 0 [pid 20920] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20920] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20921] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20921] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20920] <... futex resumed>) = 0 [pid 20920] exit_group(0) = ? [pid 20921] +++ exited with 0 +++ [pid 20920] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20920, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20922 attached , child_tidptr=0x55557e841690) = 20922 [pid 20922] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20922] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20922] setpgid(0, 0) = 0 [pid 20922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20922] write(3, "1000", 4) = 4 [pid 20922] close(3) = 0 [pid 20922] write(1, "executing program\n", 18executing program ) = 18 [pid 20922] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20922] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20922] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20922] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20922] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20922] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20922] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20923 attached => {parent_tid=[20923]}, 88) = 20923 [pid 20922] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20922] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20922] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20923] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20923] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20923] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20923] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20922] <... futex resumed>) = 0 [pid 20923] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20922] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20923] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20922] <... futex resumed>) = 0 [pid 20923] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20922] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20923] <... futex resumed>) = 0 [pid 20922] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20923] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20922] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20923] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20922] <... futex resumed>) = 0 [pid 20923] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20922] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20923] <... futex resumed>) = 0 [pid 20922] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20923] write(-1, "0x0000000000000001", 18 [pid 20922] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20923] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20922] <... futex resumed>) = 0 [pid 20923] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20922] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20923] <... futex resumed>) = 0 [pid 20922] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20923] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20922] exit_group(0 [pid 20923] <... futex resumed>) = ? [pid 20922] <... exit_group resumed>) = ? [pid 20923] +++ exited with 0 +++ [pid 20922] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20922, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20924 attached , child_tidptr=0x55557e841690) = 20924 [pid 20924] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20924] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20924] setpgid(0, 0) = 0 [pid 20924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20924] write(3, "1000", 4) = 4 [pid 20924] close(3) = 0 executing program [pid 20924] write(1, "executing program\n", 18) = 18 [pid 20924] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20924] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20924] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20924] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20924] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20924] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20924] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20925 attached => {parent_tid=[20925]}, 88) = 20925 [pid 20925] set_robust_list(0x7f5486a549a0, 24 [pid 20924] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20924] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20924] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20925] <... set_robust_list resumed>) = 0 [pid 20925] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20925] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20925] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20924] <... futex resumed>) = 0 [pid 20925] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20924] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20925] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20924] <... futex resumed>) = 0 [pid 20925] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20924] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20925] <... futex resumed>) = 0 [pid 20924] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20925] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20924] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20925] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20924] <... futex resumed>) = 0 [pid 20925] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20924] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20925] <... futex resumed>) = 0 [pid 20924] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20925] write(-1, "0x0000000000000001", 18 [pid 20924] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20925] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20924] <... futex resumed>) = 0 [pid 20925] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20924] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20925] <... futex resumed>) = 0 [pid 20924] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20925] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20924] exit_group(0 [pid 20925] <... futex resumed>) = ? [pid 20924] <... exit_group resumed>) = ? [pid 20925] +++ exited with 0 +++ [pid 20924] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20924, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20926 ./strace-static-x86_64: Process 20926 attached [pid 20926] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20926] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20926] setpgid(0, 0) = 0 [pid 20926] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20926] write(3, "1000", 4) = 4 [pid 20926] close(3) = 0 [pid 20926] write(1, "executing program\n", 18executing program ) = 18 [pid 20926] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20926] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20926] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20926] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20926] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20926] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20926] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20927 attached => {parent_tid=[20927]}, 88) = 20927 [pid 20927] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20927] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20927] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20926] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20926] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20927] <... futex resumed>) = 0 [pid 20926] <... futex resumed>) = 1 [pid 20927] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20926] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20927] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20927] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20926] <... futex resumed>) = 0 [pid 20927] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20926] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20927] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20926] <... futex resumed>) = 0 [pid 20927] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20926] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20927] <... futex resumed>) = 0 [pid 20926] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20927] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20926] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20927] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20926] <... futex resumed>) = 0 [pid 20927] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20926] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20927] <... futex resumed>) = 0 [pid 20926] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20927] write(-1, "0x0000000000000001", 18 [pid 20926] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20927] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20926] <... futex resumed>) = 0 [pid 20926] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20927] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20926] <... futex resumed>) = 0 [pid 20927] <... futex resumed>) = 1 [pid 20927] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20926] exit_group(0 [pid 20927] <... futex resumed>) = ? [pid 20926] <... exit_group resumed>) = ? [pid 20927] +++ exited with 0 +++ [pid 20926] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20926, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20928 ./strace-static-x86_64: Process 20928 attached [pid 20928] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20928] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20928] setpgid(0, 0) = 0 [pid 20928] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20928] write(3, "1000", 4) = 4 [pid 20928] close(3) = 0 executing program [pid 20928] write(1, "executing program\n", 18) = 18 [pid 20928] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20928] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20928] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20928] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20928] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20928] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20928] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20929]}, 88) = 20929 [pid 20928] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20928] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20928] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20929 attached [pid 20929] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20929] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20929] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20929] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20928] <... futex resumed>) = 0 [pid 20928] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20928] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20929] <... futex resumed>) = 1 [pid 20929] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20929] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20928] <... futex resumed>) = 0 [pid 20928] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20928] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20929] <... futex resumed>) = 1 [pid 20929] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20929] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20928] <... futex resumed>) = 0 [pid 20928] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20928] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20929] <... futex resumed>) = 1 [pid 20929] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20929] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20928] <... futex resumed>) = 0 [pid 20928] exit_group(0) = ? [pid 20929] <... futex resumed>) = ? [pid 20929] +++ exited with 0 +++ [pid 20928] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20928, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20930 attached , child_tidptr=0x55557e841690) = 20930 [pid 20930] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20930] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20930] setpgid(0, 0) = 0 [pid 20930] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20930] write(3, "1000", 4) = 4 [pid 20930] close(3) = 0 [pid 20930] write(1, "executing program\n", 18executing program ) = 18 [pid 20930] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20930] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20930] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20930] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20930] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20930] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20930] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20931]}, 88) = 20931 ./strace-static-x86_64: Process 20931 attached [pid 20931] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20931] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20931] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20930] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20930] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20931] <... futex resumed>) = 0 [pid 20931] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20930] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20931] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20931] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20930] <... futex resumed>) = 0 [pid 20930] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20930] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20931] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20931] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20930] <... futex resumed>) = 0 [pid 20930] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20930] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20931] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20931] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20930] <... futex resumed>) = 0 [pid 20930] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20930] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20931] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20931] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20930] <... futex resumed>) = 0 [pid 20930] exit_group(0) = ? [pid 20931] +++ exited with 0 +++ [pid 20930] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20930, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20932 attached [pid 20932] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20932] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20932] setpgid(0, 0) = 0 [pid 20932] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 20932 [pid 20932] write(3, "1000", 4) = 4 executing program [pid 20932] close(3) = 0 [pid 20932] write(1, "executing program\n", 18) = 18 [pid 20932] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20932] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20932] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20932] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20932] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20932] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20932] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20933 attached => {parent_tid=[20933]}, 88) = 20933 [pid 20932] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20932] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20932] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20933] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20933] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20933] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20933] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20932] <... futex resumed>) = 0 [pid 20932] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20932] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20933] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20933] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20932] <... futex resumed>) = 0 [pid 20932] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20932] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20933] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20933] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20932] <... futex resumed>) = 0 [pid 20932] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20932] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20933] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20933] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20932] <... futex resumed>) = 0 [pid 20932] exit_group(0) = ? [pid 20933] +++ exited with 0 +++ [pid 20932] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20932, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20934 ./strace-static-x86_64: Process 20934 attached [pid 20934] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20934] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20934] setpgid(0, 0) = 0 [pid 20934] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20934] write(3, "1000", 4) = 4 [pid 20934] close(3) = 0 [pid 20934] write(1, "executing program\n", 18executing program ) = 18 [pid 20934] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20934] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20934] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20934] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20934] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20934] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20934] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20935 attached [pid 20935] set_robust_list(0x7f5486a549a0, 24 [pid 20934] <... clone3 resumed> => {parent_tid=[20935]}, 88) = 20935 [pid 20934] rt_sigprocmask(SIG_SETMASK, [], [pid 20935] <... set_robust_list resumed>) = 0 [pid 20934] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20935] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20934] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20935] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20934] <... futex resumed>) = 0 [pid 20934] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20935] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20935] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20934] <... futex resumed>) = 0 [pid 20935] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20934] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20935] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20934] <... futex resumed>) = 0 [pid 20935] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20934] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20935] <... futex resumed>) = 0 [pid 20934] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20935] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20934] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20935] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20934] <... futex resumed>) = 0 [pid 20935] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20934] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20935] <... futex resumed>) = 0 [pid 20934] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20935] write(-1, "0x0000000000000001", 18 [pid 20934] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20935] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20934] <... futex resumed>) = 0 [pid 20935] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20934] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20935] <... futex resumed>) = 0 [pid 20934] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20935] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20934] exit_group(0 [pid 20935] <... futex resumed>) = ? [pid 20934] <... exit_group resumed>) = ? [pid 20935] +++ exited with 0 +++ [pid 20934] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20934, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20936 attached [pid 20936] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20936] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20936] setpgid(0, 0) = 0 [pid 20936] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 20936 [pid 20936] <... openat resumed>) = 3 executing program [pid 20936] write(3, "1000", 4) = 4 [pid 20936] close(3) = 0 [pid 20936] write(1, "executing program\n", 18) = 18 [pid 20936] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20936] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20936] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20936] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20936] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20936] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20936] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20937 attached => {parent_tid=[20937]}, 88) = 20937 [pid 20937] set_robust_list(0x7f5486a549a0, 24 [pid 20936] rt_sigprocmask(SIG_SETMASK, [], [pid 20937] <... set_robust_list resumed>) = 0 [pid 20936] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20937] rt_sigprocmask(SIG_SETMASK, [], [pid 20936] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20937] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20936] <... futex resumed>) = 0 [pid 20937] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20936] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20937] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20937] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20936] <... futex resumed>) = 0 [pid 20937] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20936] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20937] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20936] <... futex resumed>) = 0 [pid 20937] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20936] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20937] <... futex resumed>) = 0 [pid 20936] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20937] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20936] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20937] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20936] <... futex resumed>) = 0 [pid 20937] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20936] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20937] <... futex resumed>) = 0 [pid 20936] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20937] write(-1, "0x0000000000000001", 18 [pid 20936] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20937] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20936] <... futex resumed>) = 0 [pid 20937] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20936] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20937] <... futex resumed>) = 0 [pid 20936] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20937] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20936] exit_group(0 [pid 20937] <... futex resumed>) = ? [pid 20936] <... exit_group resumed>) = ? [pid 20937] +++ exited with 0 +++ [pid 20936] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20936, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20938 ./strace-static-x86_64: Process 20938 attached [pid 20938] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20938] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20938] setpgid(0, 0) = 0 [pid 20938] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20938] write(3, "1000", 4) = 4 [pid 20938] close(3) = 0 [pid 20938] write(1, "executing program\n", 18executing program ) = 18 [pid 20938] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20938] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20938] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20938] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20938] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20938] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20938] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20939 attached => {parent_tid=[20939]}, 88) = 20939 [pid 20939] set_robust_list(0x7f5486a549a0, 24 [pid 20938] rt_sigprocmask(SIG_SETMASK, [], [pid 20939] <... set_robust_list resumed>) = 0 [pid 20938] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20939] rt_sigprocmask(SIG_SETMASK, [], [pid 20938] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20939] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20938] <... futex resumed>) = 0 [pid 20939] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20938] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20939] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20939] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20938] <... futex resumed>) = 0 [pid 20939] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20938] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20939] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20938] <... futex resumed>) = 0 [pid 20939] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20938] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20939] <... futex resumed>) = 0 [pid 20938] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20939] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20938] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20939] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20938] <... futex resumed>) = 0 [pid 20939] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20938] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20939] <... futex resumed>) = 0 [pid 20938] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20939] write(-1, "0x0000000000000001", 18 [pid 20938] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20939] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20938] <... futex resumed>) = 0 [pid 20939] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20938] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20939] <... futex resumed>) = 0 [pid 20938] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20939] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20938] exit_group(0 [pid 20939] <... futex resumed>) = ? [pid 20938] <... exit_group resumed>) = ? [pid 20939] +++ exited with 0 +++ [pid 20938] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20938, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20940 ./strace-static-x86_64: Process 20940 attached [pid 20940] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20940] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20940] setpgid(0, 0) = 0 [pid 20940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20940] write(3, "1000", 4) = 4 [pid 20940] close(3) = 0 executing program [pid 20940] write(1, "executing program\n", 18) = 18 [pid 20940] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20940] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20940] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20940] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20940] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20940] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20940] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20941]}, 88) = 20941 ./strace-static-x86_64: Process 20941 attached [pid 20940] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20940] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20940] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20941] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20941] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20941] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20941] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20940] <... futex resumed>) = 0 [pid 20941] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 20940] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20941] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20940] <... futex resumed>) = 0 [pid 20941] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20940] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20941] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20940] <... futex resumed>) = 0 [pid 20941] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20940] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20941] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20940] <... futex resumed>) = 0 [pid 20941] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20940] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20941] <... futex resumed>) = 0 [pid 20940] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20941] write(-1, "0x0000000000000001", 18 [pid 20940] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20941] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20940] <... futex resumed>) = 0 [pid 20941] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20940] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20941] <... futex resumed>) = 0 [pid 20940] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20941] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20940] exit_group(0 [pid 20941] <... futex resumed>) = ? [pid 20940] <... exit_group resumed>) = ? [pid 20941] +++ exited with 0 +++ [pid 20940] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20940, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20942 ./strace-static-x86_64: Process 20942 attached [pid 20942] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20942] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20942] setpgid(0, 0) = 0 [pid 20942] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20942] write(3, "1000", 4) = 4 executing program [pid 20942] close(3) = 0 [pid 20942] write(1, "executing program\n", 18) = 18 [pid 20942] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20942] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20942] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20942] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20942] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20942] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20942] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20943 attached => {parent_tid=[20943]}, 88) = 20943 [pid 20942] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20942] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20942] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20943] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20943] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20943] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20943] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20942] <... futex resumed>) = 0 [pid 20942] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20942] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20943] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20943] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20942] <... futex resumed>) = 0 [pid 20942] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20942] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20943] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20943] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20942] <... futex resumed>) = 0 [pid 20942] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20942] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20943] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20943] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20942] <... futex resumed>) = 0 [pid 20942] exit_group(0) = ? [pid 20943] +++ exited with 0 +++ [pid 20942] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20942, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20944 ./strace-static-x86_64: Process 20944 attached [pid 20944] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20944] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20944] setpgid(0, 0) = 0 [pid 20944] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20944] write(3, "1000", 4) = 4 [pid 20944] close(3) = 0 executing program [pid 20944] write(1, "executing program\n", 18) = 18 [pid 20944] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20944] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20944] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20944] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20944] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20944] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20944] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20945 attached => {parent_tid=[20945]}, 88) = 20945 [pid 20944] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20944] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20944] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20945] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20945] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20945] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20945] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20944] <... futex resumed>) = 0 [pid 20944] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20944] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20945] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20945] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20944] <... futex resumed>) = 0 [pid 20944] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20944] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20945] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20945] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20944] <... futex resumed>) = 0 [pid 20944] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20944] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20945] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20945] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20944] <... futex resumed>) = 0 [pid 20944] exit_group(0) = ? [pid 20945] +++ exited with 0 +++ [pid 20944] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20944, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20946 ./strace-static-x86_64: Process 20946 attached [pid 20946] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20946] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20946] setpgid(0, 0) = 0 [pid 20946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20946] write(3, "1000", 4) = 4 [pid 20946] close(3) = 0 [pid 20946] write(1, "executing program\n", 18executing program ) = 18 [pid 20946] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20946] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20946] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20946] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20946] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20946] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20946] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20947]}, 88) = 20947 ./strace-static-x86_64: Process 20947 attached [pid 20946] rt_sigprocmask(SIG_SETMASK, [], [pid 20947] set_robust_list(0x7f5486a549a0, 24 [pid 20946] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20947] <... set_robust_list resumed>) = 0 [pid 20946] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20947] rt_sigprocmask(SIG_SETMASK, [], [pid 20946] <... futex resumed>) = 0 [pid 20947] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20946] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20947] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20947] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20946] <... futex resumed>) = 0 [pid 20946] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20946] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20947] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20947] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20946] <... futex resumed>) = 0 [pid 20946] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20946] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20947] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20947] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20946] <... futex resumed>) = 0 [pid 20946] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20946] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20947] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20947] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20946] <... futex resumed>) = 0 [pid 20946] exit_group(0) = ? [pid 20947] +++ exited with 0 +++ [pid 20946] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20946, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20948 ./strace-static-x86_64: Process 20948 attached [pid 20948] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20948] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20948] setpgid(0, 0) = 0 [pid 20948] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20948] write(3, "1000", 4) = 4 [pid 20948] close(3) = 0 executing program [pid 20948] write(1, "executing program\n", 18) = 18 [pid 20948] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20948] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20948] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20948] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20948] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20948] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20948] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20949]}, 88) = 20949 [pid 20948] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20948] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20948] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20949 attached [pid 20949] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20949] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20949] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20949] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20948] <... futex resumed>) = 0 [pid 20948] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20948] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20949] <... futex resumed>) = 1 [pid 20949] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20949] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20948] <... futex resumed>) = 0 [pid 20948] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20948] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20949] <... futex resumed>) = 1 [pid 20949] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20949] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20948] <... futex resumed>) = 0 [pid 20948] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20948] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20949] <... futex resumed>) = 1 [pid 20949] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20949] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20948] <... futex resumed>) = 0 [pid 20948] exit_group(0) = ? [pid 20949] <... futex resumed>) = ? [pid 20949] +++ exited with 0 +++ [pid 20948] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20948, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20950 attached , child_tidptr=0x55557e841690) = 20950 [pid 20950] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20950] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20950] setpgid(0, 0) = 0 [pid 20950] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20950] write(3, "1000", 4) = 4 [pid 20950] close(3) = 0 [pid 20950] write(1, "executing program\n", 18executing program ) = 18 [pid 20950] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20950] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20950] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20950] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20950] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20950] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20950] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20951]}, 88) = 20951 [pid 20950] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20950] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20950] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20951 attached [pid 20951] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20951] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20951] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20951] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20950] <... futex resumed>) = 0 [pid 20950] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20950] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20951] <... futex resumed>) = 1 [pid 20951] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20951] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20950] <... futex resumed>) = 0 [pid 20950] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20950] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20951] <... futex resumed>) = 1 [pid 20951] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20951] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20950] <... futex resumed>) = 0 [pid 20950] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20950] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20951] <... futex resumed>) = 1 [pid 20951] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20951] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20950] <... futex resumed>) = 0 [pid 20950] exit_group(0) = ? [pid 20951] <... futex resumed>) = ? [pid 20951] +++ exited with 0 +++ [pid 20950] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20950, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20952 ./strace-static-x86_64: Process 20952 attached [pid 20952] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20952] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20952] setpgid(0, 0) = 0 [pid 20952] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20952] write(3, "1000", 4) = 4 [pid 20952] close(3) = 0 executing program [pid 20952] write(1, "executing program\n", 18) = 18 [pid 20952] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20952] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20952] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20952] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20952] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20952] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20952] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20953 attached => {parent_tid=[20953]}, 88) = 20953 [pid 20952] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20952] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20952] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20953] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20953] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20953] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20953] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20952] <... futex resumed>) = 0 [pid 20952] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20952] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20953] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20953] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20952] <... futex resumed>) = 0 [pid 20952] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20952] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20953] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20953] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20952] <... futex resumed>) = 0 [pid 20952] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20952] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20953] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20953] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20952] <... futex resumed>) = 0 [pid 20952] exit_group(0) = ? [pid 20953] +++ exited with 0 +++ [pid 20952] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20952, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20954 ./strace-static-x86_64: Process 20954 attached [pid 20954] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20954] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20954] setpgid(0, 0) = 0 [pid 20954] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20954] write(3, "1000", 4) = 4 executing program [pid 20954] close(3) = 0 [pid 20954] write(1, "executing program\n", 18) = 18 [pid 20954] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20954] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20954] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20954] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20954] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20954] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20954] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20955]}, 88) = 20955 ./strace-static-x86_64: Process 20955 attached [pid 20954] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20954] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20954] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20955] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20955] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20955] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20955] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20954] <... futex resumed>) = 0 [pid 20954] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20954] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20955] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20955] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20954] <... futex resumed>) = 0 [pid 20954] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20954] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20955] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20955] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20954] <... futex resumed>) = 0 [pid 20954] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20954] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20955] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20955] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20954] <... futex resumed>) = 0 [pid 20954] exit_group(0) = ? [pid 20955] +++ exited with 0 +++ [pid 20954] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20954, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20956 ./strace-static-x86_64: Process 20956 attached [pid 20956] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20956] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20956] setpgid(0, 0) = 0 [pid 20956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20956] write(3, "1000", 4) = 4 [pid 20956] close(3) = 0 [pid 20956] write(1, "executing program\n", 18executing program ) = 18 [pid 20956] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20956] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20956] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20956] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20956] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20956] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20956] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20957]}, 88) = 20957 [pid 20956] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20956] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20956] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20957 attached [pid 20957] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20957] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20957] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20957] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20956] <... futex resumed>) = 0 [pid 20956] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20956] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20957] <... futex resumed>) = 1 [pid 20957] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20957] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20956] <... futex resumed>) = 0 [pid 20956] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20956] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20957] <... futex resumed>) = 1 [pid 20957] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20957] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20956] <... futex resumed>) = 0 [pid 20956] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20956] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20957] <... futex resumed>) = 1 [pid 20957] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20957] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20956] <... futex resumed>) = 0 [pid 20956] exit_group(0) = ? [pid 20957] <... futex resumed>) = ? [pid 20957] +++ exited with 0 +++ [pid 20956] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20956, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20958 attached , child_tidptr=0x55557e841690) = 20958 [pid 20958] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20958] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20958] setpgid(0, 0) = 0 [pid 20958] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20958] write(3, "1000", 4) = 4 executing program [pid 20958] close(3) = 0 [pid 20958] write(1, "executing program\n", 18) = 18 [pid 20958] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20958] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20958] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20958] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20958] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20958] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20958] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20959 attached [pid 20959] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20959] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20959] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20958] <... clone3 resumed> => {parent_tid=[20959]}, 88) = 20959 [pid 20958] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20958] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20959] <... futex resumed>) = 0 [pid 20959] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20958] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20959] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20959] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20958] <... futex resumed>) = 0 [pid 20958] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20959] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20958] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20959] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20959] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20958] <... futex resumed>) = 0 [pid 20958] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20958] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20959] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20959] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20958] <... futex resumed>) = 0 [pid 20958] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20958] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20959] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20959] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20958] <... futex resumed>) = 0 [pid 20958] exit_group(0) = ? [pid 20959] +++ exited with 0 +++ [pid 20958] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20958, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20960 attached , child_tidptr=0x55557e841690) = 20960 [pid 20960] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20960] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20960] setpgid(0, 0) = 0 [pid 20960] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20960] write(3, "1000", 4) = 4 [pid 20960] close(3) = 0 executing program [pid 20960] write(1, "executing program\n", 18) = 18 [pid 20960] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20960] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20960] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20960] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20960] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20960] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20960] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20961]}, 88) = 20961 [pid 20960] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20960] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20960] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20961 attached [pid 20961] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20961] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20961] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20961] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20960] <... futex resumed>) = 0 [pid 20960] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20960] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20961] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20961] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20960] <... futex resumed>) = 0 [pid 20960] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20960] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20961] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20961] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20960] <... futex resumed>) = 0 [pid 20960] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20960] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20961] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20961] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20960] <... futex resumed>) = 0 [pid 20960] exit_group(0) = ? [pid 20961] +++ exited with 0 +++ [pid 20960] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20960, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20962 attached [pid 20962] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20962] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20962] setpgid(0, 0) = 0 [pid 20962] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 20962 [pid 20962] <... openat resumed>) = 3 [pid 20962] write(3, "1000", 4) = 4 [pid 20962] close(3) = 0 executing program [pid 20962] write(1, "executing program\n", 18) = 18 [pid 20962] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20962] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20962] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20962] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20962] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20962] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20962] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20963]}, 88) = 20963 [pid 20962] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20962] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20962] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20963 attached [pid 20963] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20963] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20963] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20963] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20962] <... futex resumed>) = 0 [pid 20962] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20962] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20963] <... futex resumed>) = 1 [pid 20963] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20963] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20962] <... futex resumed>) = 0 [pid 20962] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20962] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20963] <... futex resumed>) = 1 [pid 20963] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20963] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20962] <... futex resumed>) = 0 [pid 20962] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20962] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20963] <... futex resumed>) = 1 [pid 20963] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20963] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20962] <... futex resumed>) = 0 [pid 20962] exit_group(0) = ? [pid 20963] <... futex resumed>) = ? [pid 20963] +++ exited with 0 +++ [pid 20962] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20962, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20964 ./strace-static-x86_64: Process 20964 attached [pid 20964] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20964] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20964] setpgid(0, 0) = 0 [pid 20964] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20964] write(3, "1000", 4) = 4 [pid 20964] close(3) = 0 executing program [pid 20964] write(1, "executing program\n", 18) = 18 [pid 20964] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20964] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20964] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20964] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20964] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20964] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20964] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20965 attached => {parent_tid=[20965]}, 88) = 20965 [pid 20964] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20964] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20964] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20965] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20965] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20965] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20965] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20964] <... futex resumed>) = 0 [pid 20964] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20964] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20965] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20965] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20964] <... futex resumed>) = 0 [pid 20964] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20964] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20965] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20965] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20964] <... futex resumed>) = 0 [pid 20964] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20964] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20965] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20965] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20964] <... futex resumed>) = 0 [pid 20964] exit_group(0) = ? [pid 20965] +++ exited with 0 +++ [pid 20964] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20964, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20966 ./strace-static-x86_64: Process 20966 attached [pid 20966] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20966] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20966] setpgid(0, 0) = 0 [pid 20966] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20966] write(3, "1000", 4) = 4 [pid 20966] close(3) = 0 [pid 20966] write(1, "executing program\n", 18executing program ) = 18 [pid 20966] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20966] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20966] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20966] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20966] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20966] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20966] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20967]}, 88) = 20967 [pid 20966] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20966] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20966] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20967 attached [pid 20967] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20967] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20967] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20967] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20966] <... futex resumed>) = 0 [pid 20966] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20966] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20967] <... futex resumed>) = 1 [pid 20967] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20967] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20966] <... futex resumed>) = 0 [pid 20966] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20966] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20967] <... futex resumed>) = 1 [pid 20967] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20967] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20966] <... futex resumed>) = 0 [pid 20966] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20966] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20967] <... futex resumed>) = 1 [pid 20967] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20967] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20966] <... futex resumed>) = 0 [pid 20966] exit_group(0) = ? [pid 20967] <... futex resumed>) = ? [pid 20967] +++ exited with 0 +++ [pid 20966] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20966, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20968 attached , child_tidptr=0x55557e841690) = 20968 [pid 20968] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20968] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20968] setpgid(0, 0) = 0 [pid 20968] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20968] write(3, "1000", 4) = 4 [pid 20968] close(3) = 0 executing program [pid 20968] write(1, "executing program\n", 18) = 18 [pid 20968] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20968] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20968] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20968] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20968] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20968] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20968] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20969]}, 88) = 20969 [pid 20968] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20968] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20968] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20969 attached [pid 20969] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20969] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20969] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20969] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20968] <... futex resumed>) = 0 [pid 20968] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20968] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20969] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20969] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20968] <... futex resumed>) = 0 [pid 20968] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20968] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20969] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20969] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20968] <... futex resumed>) = 0 [pid 20968] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20968] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20969] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20969] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20968] <... futex resumed>) = 0 [pid 20968] exit_group(0) = ? [pid 20969] +++ exited with 0 +++ [pid 20968] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20968, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20970 ./strace-static-x86_64: Process 20970 attached [pid 20970] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20970] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20970] setpgid(0, 0) = 0 [pid 20970] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20970] write(3, "1000", 4) = 4 [pid 20970] close(3) = 0 [pid 20970] write(1, "executing program\n", 18executing program ) = 18 [pid 20970] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20970] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20970] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20970] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20970] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20970] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20970] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20971 attached => {parent_tid=[20971]}, 88) = 20971 [pid 20970] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20970] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20970] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20971] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20971] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20971] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20971] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20970] <... futex resumed>) = 0 [pid 20970] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20970] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20971] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20971] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20970] <... futex resumed>) = 0 [pid 20970] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20970] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20971] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20971] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20970] <... futex resumed>) = 0 [pid 20970] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20970] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20971] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20971] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20970] <... futex resumed>) = 0 [pid 20970] exit_group(0) = ? [pid 20971] +++ exited with 0 +++ [pid 20970] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20970, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20972 attached , child_tidptr=0x55557e841690) = 20972 [pid 20972] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20972] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20972] setpgid(0, 0) = 0 [pid 20972] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20972] write(3, "1000", 4) = 4 [pid 20972] close(3) = 0 executing program [pid 20972] write(1, "executing program\n", 18) = 18 [pid 20972] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20972] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20972] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20972] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20972] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20972] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20972] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20973]}, 88) = 20973 [pid 20972] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20972] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20972] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20973 attached [pid 20973] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20973] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20973] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20973] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20972] <... futex resumed>) = 0 [pid 20972] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20972] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20973] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20973] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20972] <... futex resumed>) = 0 [pid 20972] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20972] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20973] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20973] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20972] <... futex resumed>) = 0 [pid 20973] write(-1, "0x0000000000000001", 18 [pid 20972] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20973] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20972] <... futex resumed>) = 0 [pid 20973] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20972] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20973] <... futex resumed>) = 0 [pid 20972] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20973] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20972] exit_group(0 [pid 20973] <... futex resumed>) = ? [pid 20972] <... exit_group resumed>) = ? [pid 20973] +++ exited with 0 +++ [pid 20972] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20972, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20974 attached [pid 20974] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20974] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20974] setpgid(0, 0) = 0 [pid 20974] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 20974 [pid 20974] <... openat resumed>) = 3 [pid 20974] write(3, "1000", 4) = 4 [pid 20974] close(3) = 0 executing program [pid 20974] write(1, "executing program\n", 18) = 18 [pid 20974] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20974] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20974] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20974] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20974] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20974] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20974] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20975]}, 88) = 20975 [pid 20974] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20974] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20974] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20975 attached [pid 20975] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20975] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20975] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20975] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20974] <... futex resumed>) = 0 [pid 20975] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20974] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20974] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20975] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20975] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20974] <... futex resumed>) = 0 [pid 20974] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20974] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20975] <... futex resumed>) = 1 [pid 20975] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20975] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20974] <... futex resumed>) = 0 [pid 20974] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20974] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20975] <... futex resumed>) = 1 [pid 20975] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20975] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20974] <... futex resumed>) = 0 [pid 20974] exit_group(0) = ? [pid 20975] <... futex resumed>) = ? [pid 20975] +++ exited with 0 +++ [pid 20974] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20974, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20976 ./strace-static-x86_64: Process 20976 attached [pid 20976] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20976] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20976] setpgid(0, 0) = 0 [pid 20976] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20976] write(3, "1000", 4) = 4 [pid 20976] close(3) = 0 executing program [pid 20976] write(1, "executing program\n", 18) = 18 [pid 20976] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20976] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20976] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20976] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20976] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20976] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20976] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20977]}, 88) = 20977 [pid 20976] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20976] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20976] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20977 attached [pid 20977] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20977] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20977] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20977] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20976] <... futex resumed>) = 0 [pid 20976] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20976] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20977] <... futex resumed>) = 1 [pid 20977] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20977] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20976] <... futex resumed>) = 0 [pid 20976] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20976] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20977] <... futex resumed>) = 1 [pid 20977] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20977] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20976] <... futex resumed>) = 0 [pid 20976] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20976] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20977] <... futex resumed>) = 1 [pid 20977] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20977] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20976] <... futex resumed>) = 0 [pid 20977] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20976] exit_group(0 [pid 20977] <... futex resumed>) = ? [pid 20976] <... exit_group resumed>) = ? [pid 20977] +++ exited with 0 +++ [pid 20976] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20976, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20978 ./strace-static-x86_64: Process 20978 attached [pid 20978] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20978] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20978] setpgid(0, 0) = 0 [pid 20978] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20978] write(3, "1000", 4) = 4 [pid 20978] close(3) = 0 [pid 20978] write(1, "executing program\n", 18executing program ) = 18 [pid 20978] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20978] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20978] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20978] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20978] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20978] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20978] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20979 attached => {parent_tid=[20979]}, 88) = 20979 [pid 20979] set_robust_list(0x7f5486a549a0, 24 [pid 20978] rt_sigprocmask(SIG_SETMASK, [], [pid 20979] <... set_robust_list resumed>) = 0 [pid 20978] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20979] rt_sigprocmask(SIG_SETMASK, [], [pid 20978] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20979] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20978] <... futex resumed>) = 0 [pid 20979] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20978] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20979] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20979] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20978] <... futex resumed>) = 0 [pid 20978] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20978] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20979] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20979] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20978] <... futex resumed>) = 0 [pid 20978] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20978] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20979] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20979] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20978] <... futex resumed>) = 0 [pid 20978] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20978] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20979] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20979] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20978] <... futex resumed>) = 0 [pid 20978] exit_group(0) = ? [pid 20979] +++ exited with 0 +++ [pid 20978] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20978, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20980 ./strace-static-x86_64: Process 20980 attached [pid 20980] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20980] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20980] setpgid(0, 0) = 0 [pid 20980] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20980] write(3, "1000", 4) = 4 [pid 20980] close(3executing program ) = 0 [pid 20980] write(1, "executing program\n", 18) = 18 [pid 20980] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20980] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20980] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20980] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20980] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20980] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20980] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20981 attached => {parent_tid=[20981]}, 88) = 20981 [pid 20980] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20980] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20980] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20981] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20981] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20981] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20981] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20980] <... futex resumed>) = 0 [pid 20980] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20980] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20981] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20981] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20980] <... futex resumed>) = 0 [pid 20980] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20980] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20981] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20981] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20980] <... futex resumed>) = 0 [pid 20980] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20980] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20981] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20981] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20980] <... futex resumed>) = 0 [pid 20980] exit_group(0) = ? [pid 20981] +++ exited with 0 +++ [pid 20980] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20980, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20982 attached , child_tidptr=0x55557e841690) = 20982 [pid 20982] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20982] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20982] setpgid(0, 0) = 0 [pid 20982] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20982] write(3, "1000", 4) = 4 [pid 20982] close(3) = 0 [pid 20982] write(1, "executing program\n", 18executing program ) = 18 [pid 20982] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20982] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20982] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20982] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20982] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20982] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20982] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20983]}, 88) = 20983 ./strace-static-x86_64: Process 20983 attached [pid 20982] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20982] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20982] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20983] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20983] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20983] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20983] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20982] <... futex resumed>) = 0 [pid 20982] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20982] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20983] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20983] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20982] <... futex resumed>) = 0 [pid 20982] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20982] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20983] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20983] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20982] <... futex resumed>) = 0 [pid 20982] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20982] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20983] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20983] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20982] <... futex resumed>) = 0 [pid 20982] exit_group(0) = ? [pid 20983] +++ exited with 0 +++ [pid 20982] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20982, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20984 ./strace-static-x86_64: Process 20984 attached [pid 20984] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20984] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20984] setpgid(0, 0) = 0 [pid 20984] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20984] write(3, "1000", 4) = 4 [pid 20984] close(3) = 0 executing program [pid 20984] write(1, "executing program\n", 18) = 18 [pid 20984] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20984] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20984] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20984] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20984] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20984] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20984] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20985]}, 88) = 20985 ./strace-static-x86_64: Process 20985 attached [pid 20984] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20984] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20984] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20985] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20985] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20985] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20985] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20984] <... futex resumed>) = 0 [pid 20984] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20984] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20985] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20985] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20984] <... futex resumed>) = 0 [pid 20984] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20984] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20985] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20985] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20984] <... futex resumed>) = 0 [pid 20984] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20984] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20985] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20985] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20984] <... futex resumed>) = 0 [pid 20984] exit_group(0) = ? [pid 20985] +++ exited with 0 +++ [pid 20984] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20984, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20986 attached [pid 20986] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20986] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20986] setpgid(0, 0) = 0 [pid 20986] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 20986 [pid 20986] <... openat resumed>) = 3 [pid 20986] write(3, "1000", 4) = 4 [pid 20986] close(3) = 0 executing program [pid 20986] write(1, "executing program\n", 18) = 18 [pid 20986] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20986] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20986] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20986] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20986] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20986] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20986] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20987 attached [pid 20987] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20987] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20987] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20986] <... clone3 resumed> => {parent_tid=[20987]}, 88) = 20987 [pid 20986] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20986] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20987] <... futex resumed>) = 0 [pid 20986] <... futex resumed>) = 1 [pid 20987] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20986] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20987] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20987] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20986] <... futex resumed>) = 0 [pid 20987] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20986] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20987] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20986] <... futex resumed>) = 0 [pid 20987] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20986] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20987] <... futex resumed>) = 0 [pid 20986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20987] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20986] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20987] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20986] <... futex resumed>) = 0 [pid 20987] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20986] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20987] <... futex resumed>) = 0 [pid 20986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20987] write(-1, "0x0000000000000001", 18 [pid 20986] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20987] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20986] <... futex resumed>) = 0 [pid 20987] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20986] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20987] <... futex resumed>) = 0 [pid 20986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20987] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20986] exit_group(0 [pid 20987] <... futex resumed>) = ? [pid 20986] <... exit_group resumed>) = ? [pid 20987] +++ exited with 0 +++ [pid 20986] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20986, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20988 ./strace-static-x86_64: Process 20988 attached [pid 20988] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20988] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20988] setpgid(0, 0) = 0 [pid 20988] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20988] write(3, "1000", 4) = 4 [pid 20988] close(3) = 0 executing program [pid 20988] write(1, "executing program\n", 18) = 18 [pid 20988] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20988] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20988] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20988] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20988] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20988] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20988] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20989 attached [pid 20989] set_robust_list(0x7f5486a549a0, 24 [pid 20988] <... clone3 resumed> => {parent_tid=[20989]}, 88) = 20989 [pid 20989] <... set_robust_list resumed>) = 0 [pid 20989] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20989] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20988] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20988] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20989] <... futex resumed>) = 0 [pid 20988] <... futex resumed>) = 1 [pid 20989] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20988] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20989] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20989] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20988] <... futex resumed>) = 0 [pid 20989] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20988] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20989] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20988] <... futex resumed>) = 0 [pid 20989] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20988] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20989] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20989] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20988] <... futex resumed>) = 0 [pid 20989] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20988] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20989] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20988] <... futex resumed>) = 0 [pid 20989] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20988] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20989] <... futex resumed>) = 0 [pid 20988] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20989] write(-1, "0x0000000000000001", 18 [pid 20988] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20989] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20988] <... futex resumed>) = 0 [pid 20989] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20988] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20989] <... futex resumed>) = 0 [pid 20988] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20989] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20988] exit_group(0 [pid 20989] <... futex resumed>) = ? [pid 20988] <... exit_group resumed>) = ? [pid 20989] +++ exited with 0 +++ [pid 20988] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20988, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20990 ./strace-static-x86_64: Process 20990 attached [pid 20990] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20990] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20990] setpgid(0, 0) = 0 [pid 20990] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20990] write(3, "1000", 4) = 4 [pid 20990] close(3) = 0 [pid 20990] write(1, "executing program\n", 18executing program ) = 18 [pid 20990] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20990] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20990] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20990] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20990] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20990] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20990] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20991 attached => {parent_tid=[20991]}, 88) = 20991 [pid 20991] set_robust_list(0x7f5486a549a0, 24 [pid 20990] rt_sigprocmask(SIG_SETMASK, [], [pid 20991] <... set_robust_list resumed>) = 0 [pid 20990] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20991] rt_sigprocmask(SIG_SETMASK, [], [pid 20990] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20991] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 20990] <... futex resumed>) = 0 [pid 20991] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 20990] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20991] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20991] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20990] <... futex resumed>) = 0 [pid 20991] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 20990] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20991] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 20990] <... futex resumed>) = 0 [pid 20991] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20990] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20991] <... futex resumed>) = 0 [pid 20990] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20991] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 20990] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20991] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 20990] <... futex resumed>) = 0 [pid 20991] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20990] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20991] <... futex resumed>) = 0 [pid 20990] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20991] write(-1, "0x0000000000000001", 18 [pid 20990] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 20991] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 20990] <... futex resumed>) = 0 [pid 20991] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20990] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20991] <... futex resumed>) = 0 [pid 20990] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 20991] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20990] exit_group(0 [pid 20991] <... futex resumed>) = ? [pid 20990] <... exit_group resumed>) = ? [pid 20991] +++ exited with 0 +++ [pid 20990] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20990, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20992 ./strace-static-x86_64: Process 20992 attached [pid 20992] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20992] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20992] setpgid(0, 0) = 0 [pid 20992] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20992] write(3, "1000", 4) = 4 [pid 20992] close(3executing program ) = 0 [pid 20992] write(1, "executing program\n", 18) = 18 [pid 20992] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20992] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20992] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20992] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20992] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20992] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20992] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 20993 attached [pid 20993] set_robust_list(0x7f5486a549a0, 24 [pid 20992] <... clone3 resumed> => {parent_tid=[20993]}, 88) = 20993 [pid 20992] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20992] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20992] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20993] <... set_robust_list resumed>) = 0 [pid 20993] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20993] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20993] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20992] <... futex resumed>) = 0 [pid 20992] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20992] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20993] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20993] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20992] <... futex resumed>) = 0 [pid 20992] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20992] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20993] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20993] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20992] <... futex resumed>) = 0 [pid 20992] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20992] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20993] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20993] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20992] <... futex resumed>) = 0 [pid 20992] exit_group(0) = ? [pid 20993] +++ exited with 0 +++ [pid 20992] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20992, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20995 attached , child_tidptr=0x55557e841690) = 20995 [pid 20995] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20995] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20995] setpgid(0, 0) = 0 [pid 20995] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20995] write(3, "1000", 4) = 4 [pid 20995] close(3executing program ) = 0 [pid 20995] write(1, "executing program\n", 18) = 18 [pid 20995] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20995] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20995] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20995] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20995] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20995] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20995] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20996]}, 88) = 20996 [pid 20995] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20995] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20995] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20996 attached [pid 20996] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20996] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20996] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20996] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20995] <... futex resumed>) = 0 [pid 20995] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20995] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20996] <... futex resumed>) = 1 [pid 20996] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20996] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20995] <... futex resumed>) = 0 [pid 20995] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20995] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20996] <... futex resumed>) = 1 [pid 20996] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20996] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20995] <... futex resumed>) = 0 [pid 20995] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20995] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20996] <... futex resumed>) = 1 [pid 20996] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20996] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20995] <... futex resumed>) = 0 [pid 20995] exit_group(0) = ? [pid 20996] <... futex resumed>) = ? [pid 20996] +++ exited with 0 +++ [pid 20995] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20995, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20997 ./strace-static-x86_64: Process 20997 attached [pid 20997] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20997] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20997] setpgid(0, 0) = 0 [pid 20997] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20997] write(3, "1000", 4) = 4 executing program [pid 20997] close(3) = 0 [pid 20997] write(1, "executing program\n", 18) = 18 [pid 20997] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20997] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20997] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20997] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20997] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20997] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20997] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[20998]}, 88) = 20998 [pid 20997] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20997] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20997] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 20998 attached [pid 20998] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 20998] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20998] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 20998] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20997] <... futex resumed>) = 0 [pid 20997] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20997] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20998] <... futex resumed>) = 1 [pid 20998] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 20998] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20997] <... futex resumed>) = 0 [pid 20997] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20997] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20998] <... futex resumed>) = 1 [pid 20998] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 20998] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20997] <... futex resumed>) = 0 [pid 20997] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20997] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 20998] <... futex resumed>) = 1 [pid 20998] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 20998] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20997] <... futex resumed>) = 0 [pid 20997] exit_group(0) = ? [pid 20998] <... futex resumed>) = ? [pid 20998] +++ exited with 0 +++ [pid 20997] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20997, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 20999 ./strace-static-x86_64: Process 20999 attached [pid 20999] set_robust_list(0x55557e8416a0, 24) = 0 [pid 20999] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 20999] setpgid(0, 0) = 0 [pid 20999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 20999] write(3, "1000", 4) = 4 [pid 20999] close(3executing program ) = 0 [pid 20999] write(1, "executing program\n", 18) = 18 [pid 20999] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20999] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 20999] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 20999] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 20999] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 20999] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 20999] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21000 attached [pid 21000] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21000] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21000] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 20999] <... clone3 resumed> => {parent_tid=[21000]}, 88) = 21000 [pid 20999] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 20999] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 20999] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21000] <... futex resumed>) = 0 [pid 21000] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21000] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20999] <... futex resumed>) = 0 [pid 20999] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20999] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21000] <... futex resumed>) = 1 [pid 21000] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21000] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20999] <... futex resumed>) = 0 [pid 20999] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20999] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21000] <... futex resumed>) = 1 [pid 21000] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21000] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20999] <... futex resumed>) = 0 [pid 20999] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 20999] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21000] <... futex resumed>) = 1 [pid 21000] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21000] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 20999] <... futex resumed>) = 0 [pid 20999] exit_group(0) = ? [pid 21000] <... futex resumed>) = ? [pid 21000] +++ exited with 0 +++ [pid 20999] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20999, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21001 ./strace-static-x86_64: Process 21001 attached [pid 21001] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21001] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21001] setpgid(0, 0) = 0 [pid 21001] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21001] write(3, "1000", 4) = 4 [pid 21001] close(3) = 0 [pid 21001] write(1, "executing program\n", 18executing program ) = 18 [pid 21001] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21001] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21001] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21001] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21001] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21001] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21001] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21002 attached => {parent_tid=[21002]}, 88) = 21002 [pid 21001] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21001] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21001] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21002] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21002] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21002] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21002] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21001] <... futex resumed>) = 0 [pid 21001] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21001] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21002] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21002] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21001] <... futex resumed>) = 0 [pid 21001] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21001] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21002] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21002] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21001] <... futex resumed>) = 0 [pid 21001] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21001] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21002] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21002] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21001] <... futex resumed>) = 0 [pid 21001] exit_group(0) = ? [pid 21002] +++ exited with 0 +++ [pid 21001] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21001, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21003 ./strace-static-x86_64: Process 21003 attached [pid 21003] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21003] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21003] setpgid(0, 0) = 0 [pid 21003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21003] write(3, "1000", 4) = 4 [pid 21003] close(3) = 0 executing program [pid 21003] write(1, "executing program\n", 18) = 18 [pid 21003] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21003] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21003] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21003] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21003] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21003] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21003] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21004]}, 88) = 21004 ./strace-static-x86_64: Process 21004 attached [pid 21004] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21004] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21004] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21003] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21003] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21004] <... futex resumed>) = 0 [pid 21004] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21003] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21004] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21004] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21003] <... futex resumed>) = 0 [pid 21003] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21004] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21003] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21004] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21004] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21003] <... futex resumed>) = 0 [pid 21003] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21003] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21004] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21004] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21003] <... futex resumed>) = 0 [pid 21003] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21003] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21004] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21004] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21003] <... futex resumed>) = 0 [pid 21003] exit_group(0) = ? [pid 21004] +++ exited with 0 +++ [pid 21003] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21003, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21005 ./strace-static-x86_64: Process 21005 attached [pid 21005] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21005] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21005] setpgid(0, 0) = 0 [pid 21005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21005] write(3, "1000", 4) = 4 [pid 21005] close(3) = 0 executing program [pid 21005] write(1, "executing program\n", 18) = 18 [pid 21005] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21005] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21005] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21005] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21005] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21005] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21005] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21006 attached => {parent_tid=[21006]}, 88) = 21006 [pid 21006] set_robust_list(0x7f5486a549a0, 24 [pid 21005] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21006] <... set_robust_list resumed>) = 0 [pid 21005] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21006] rt_sigprocmask(SIG_SETMASK, [], [pid 21005] <... futex resumed>) = 0 [pid 21006] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21005] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21006] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21006] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21005] <... futex resumed>) = 0 [pid 21005] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21005] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21006] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21006] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21005] <... futex resumed>) = 0 [pid 21005] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21005] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21006] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21006] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21005] <... futex resumed>) = 0 [pid 21005] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21005] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21006] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21006] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21005] <... futex resumed>) = 0 [pid 21005] exit_group(0) = ? [pid 21006] +++ exited with 0 +++ [pid 21005] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21005, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21007 ./strace-static-x86_64: Process 21007 attached [pid 21007] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21007] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21007] setpgid(0, 0) = 0 [pid 21007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21007] write(3, "1000", 4) = 4 [pid 21007] close(3) = 0 executing program [pid 21007] write(1, "executing program\n", 18) = 18 [pid 21007] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21007] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21007] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21007] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21007] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21007] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21007] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21008 attached [pid 21008] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21008] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21008] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21007] <... clone3 resumed> => {parent_tid=[21008]}, 88) = 21008 [pid 21007] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21007] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21008] <... futex resumed>) = 0 [pid 21008] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21007] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21008] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21008] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21007] <... futex resumed>) = 0 [pid 21007] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21008] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21007] <... futex resumed>) = 0 [pid 21008] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21007] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21008] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21007] <... futex resumed>) = 0 [pid 21007] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21007] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21008] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21008] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21007] <... futex resumed>) = 0 [pid 21007] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21007] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21008] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21008] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21007] <... futex resumed>) = 0 [pid 21007] exit_group(0) = ? [pid 21008] +++ exited with 0 +++ [pid 21007] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21007, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21009 attached [pid 21009] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21009] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21009] setpgid(0, 0) = 0 [pid 21009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 21009 [pid 21009] <... openat resumed>) = 3 [pid 21009] write(3, "1000", 4) = 4 [pid 21009] close(3) = 0 executing program [pid 21009] write(1, "executing program\n", 18) = 18 [pid 21009] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21009] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21009] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21009] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21009] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21009] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21009] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21010 attached => {parent_tid=[21010]}, 88) = 21010 [pid 21009] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21009] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21009] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21010] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21010] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21010] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21010] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21009] <... futex resumed>) = 0 [pid 21009] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21009] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21010] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21010] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21009] <... futex resumed>) = 0 [pid 21009] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21009] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21010] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21010] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21009] <... futex resumed>) = 0 [pid 21009] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21009] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21010] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21010] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21009] <... futex resumed>) = 0 [pid 21009] exit_group(0) = ? [pid 21010] +++ exited with 0 +++ [pid 21009] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21009, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21011 ./strace-static-x86_64: Process 21011 attached [pid 21011] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21011] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21011] setpgid(0, 0) = 0 [pid 21011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21011] write(3, "1000", 4) = 4 [pid 21011] close(3) = 0 [pid 21011] write(1, "executing program\n", 18executing program ) = 18 [pid 21011] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21011] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21011] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21011] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21011] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21011] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21011] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21012]}, 88) = 21012 [pid 21011] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21011] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21011] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21012 attached [pid 21012] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21012] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21012] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21012] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21011] <... futex resumed>) = 0 [pid 21011] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21011] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21012] <... futex resumed>) = 1 [pid 21012] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21012] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21011] <... futex resumed>) = 0 [pid 21011] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21011] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21012] <... futex resumed>) = 1 [pid 21012] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21012] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21011] <... futex resumed>) = 0 [pid 21011] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21011] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21012] <... futex resumed>) = 1 [pid 21012] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21012] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21011] <... futex resumed>) = 0 [pid 21011] exit_group(0) = ? [pid 21012] <... futex resumed>) = ? [pid 21012] +++ exited with 0 +++ [pid 21011] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21011, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21013 ./strace-static-x86_64: Process 21013 attached [pid 21013] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21013] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21013] setpgid(0, 0) = 0 [pid 21013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21013] write(3, "1000", 4) = 4 [pid 21013] close(3) = 0 executing program [pid 21013] write(1, "executing program\n", 18) = 18 [pid 21013] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21013] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21013] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21013] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21013] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21013] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21013] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21014]}, 88) = 21014 ./strace-static-x86_64: Process 21014 attached [pid 21013] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21013] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21013] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21014] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21014] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21014] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21014] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21013] <... futex resumed>) = 0 [pid 21013] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21013] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21014] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21014] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21013] <... futex resumed>) = 0 [pid 21013] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21013] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21014] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21014] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21013] <... futex resumed>) = 0 [pid 21013] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21013] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21014] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21014] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21013] <... futex resumed>) = 0 [pid 21013] exit_group(0) = ? [pid 21014] +++ exited with 0 +++ [pid 21013] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21013, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21015 attached [pid 21015] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21015] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21015] setpgid(0, 0) = 0 [pid 21015] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21015] write(3, "1000", 4) = 4 [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 21015 [pid 21015] close(3executing program ) = 0 [pid 21015] write(1, "executing program\n", 18) = 18 [pid 21015] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21015] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21015] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21015] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21015] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21015] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21015] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21016]}, 88) = 21016 [pid 21015] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21015] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21015] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21016 attached [pid 21016] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21016] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21016] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21016] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21015] <... futex resumed>) = 0 [pid 21015] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21015] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21016] <... futex resumed>) = 1 [pid 21016] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21016] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21015] <... futex resumed>) = 0 [pid 21015] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21015] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21016] <... futex resumed>) = 1 [pid 21016] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21016] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21015] <... futex resumed>) = 0 [pid 21015] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21015] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21016] <... futex resumed>) = 1 [pid 21016] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21016] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21015] <... futex resumed>) = 0 [pid 21015] exit_group(0) = ? [pid 21016] <... futex resumed>) = ? [pid 21016] +++ exited with 0 +++ [pid 21015] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21015, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21017 ./strace-static-x86_64: Process 21017 attached [pid 21017] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21017] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21017] setpgid(0, 0) = 0 [pid 21017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21017] write(3, "1000", 4) = 4 executing program [pid 21017] close(3) = 0 [pid 21017] write(1, "executing program\n", 18) = 18 [pid 21017] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21017] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21017] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21017] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21017] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21017] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21017] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21018]}, 88) = 21018 ./strace-static-x86_64: Process 21018 attached [pid 21017] rt_sigprocmask(SIG_SETMASK, [], [pid 21018] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21017] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21018] rt_sigprocmask(SIG_SETMASK, [], [pid 21017] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21018] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21017] <... futex resumed>) = 0 [pid 21018] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21017] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21018] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21018] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21017] <... futex resumed>) = 0 [pid 21017] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21017] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21018] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21018] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21017] <... futex resumed>) = 0 [pid 21017] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21017] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21018] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21018] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21017] <... futex resumed>) = 0 [pid 21017] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21017] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21018] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21018] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21017] <... futex resumed>) = 0 [pid 21017] exit_group(0) = ? [pid 21018] +++ exited with 0 +++ [pid 21017] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21017, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21019 attached , child_tidptr=0x55557e841690) = 21019 [pid 21019] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21019] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21019] setpgid(0, 0) = 0 [pid 21019] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21019] write(3, "1000", 4) = 4 [pid 21019] close(3) = 0 [pid 21019] write(1, "executing program\n", 18executing program ) = 18 [pid 21019] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21019] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21019] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21019] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21019] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21019] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21019] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21020]}, 88) = 21020 [pid 21019] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21019] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21019] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21020 attached [pid 21020] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21020] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21020] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21020] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21019] <... futex resumed>) = 0 [pid 21019] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21019] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21020] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21020] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21019] <... futex resumed>) = 0 [pid 21019] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21019] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21020] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21020] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21019] <... futex resumed>) = 0 [pid 21019] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21019] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21020] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21020] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21019] <... futex resumed>) = 0 [pid 21019] exit_group(0) = ? [pid 21020] +++ exited with 0 +++ [pid 21019] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21019, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21021 ./strace-static-x86_64: Process 21021 attached [pid 21021] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21021] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21021] setpgid(0, 0) = 0 [pid 21021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21021] write(3, "1000", 4) = 4 [pid 21021] close(3) = 0 [pid 21021] write(1, "executing program\n", 18executing program ) = 18 [pid 21021] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21021] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21021] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21021] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21021] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21021] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21021] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21022 attached => {parent_tid=[21022]}, 88) = 21022 [pid 21021] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21021] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21021] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21022] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21022] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21022] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21022] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21021] <... futex resumed>) = 0 [pid 21021] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21021] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21022] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21022] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21022] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21021] <... futex resumed>) = 0 [pid 21021] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21021] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21022] <... futex resumed>) = 0 [pid 21022] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21022] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21021] <... futex resumed>) = 0 [pid 21021] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21021] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21022] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21022] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21021] <... futex resumed>) = 0 [pid 21021] exit_group(0) = ? [pid 21022] +++ exited with 0 +++ [pid 21021] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21021, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21023 ./strace-static-x86_64: Process 21023 attached [pid 21023] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21023] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21023] setpgid(0, 0) = 0 [pid 21023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21023] write(3, "1000", 4) = 4 [pid 21023] close(3) = 0 [pid 21023] write(1, "executing program\n", 18executing program ) = 18 [pid 21023] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21023] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21023] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21023] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21023] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21023] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21023] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21024 attached => {parent_tid=[21024]}, 88) = 21024 [pid 21024] set_robust_list(0x7f5486a549a0, 24 [pid 21023] rt_sigprocmask(SIG_SETMASK, [], [pid 21024] <... set_robust_list resumed>) = 0 [pid 21023] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21024] rt_sigprocmask(SIG_SETMASK, [], [pid 21023] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21024] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21023] <... futex resumed>) = 0 [pid 21024] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21023] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21024] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21024] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21023] <... futex resumed>) = 0 [pid 21024] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21023] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21024] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21023] <... futex resumed>) = 0 [pid 21024] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21023] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21024] <... futex resumed>) = 0 [pid 21023] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21024] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21023] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21024] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21023] <... futex resumed>) = 0 [pid 21024] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21023] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21024] <... futex resumed>) = 0 [pid 21023] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21024] write(-1, "0x0000000000000001", 18 [pid 21023] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21024] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21023] <... futex resumed>) = 0 [pid 21024] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21023] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21024] <... futex resumed>) = 0 [pid 21023] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21024] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21023] exit_group(0 [pid 21024] <... futex resumed>) = ? [pid 21023] <... exit_group resumed>) = ? [pid 21024] +++ exited with 0 +++ [pid 21023] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21023, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21025 attached , child_tidptr=0x55557e841690) = 21025 [pid 21025] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21025] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21025] setpgid(0, 0) = 0 [pid 21025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21025] write(3, "1000", 4) = 4 [pid 21025] close(3) = 0 [pid 21025] write(1, "executing program\n", 18executing program ) = 18 [pid 21025] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21025] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21025] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21025] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21025] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21025] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21025] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21026]}, 88) = 21026 ./strace-static-x86_64: Process 21026 attached [pid 21026] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21026] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21026] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21025] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21025] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21026] <... futex resumed>) = 0 [pid 21025] <... futex resumed>) = 1 [pid 21026] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21025] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21026] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21026] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21026] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21025] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21025] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21026] <... futex resumed>) = 0 [pid 21025] <... futex resumed>) = 1 [pid 21026] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21025] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21026] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21026] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21025] <... futex resumed>) = 0 [pid 21026] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21025] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21026] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21025] <... futex resumed>) = 0 [pid 21026] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21025] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21026] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21026] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21025] <... futex resumed>) = 0 [pid 21026] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21025] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21026] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21025] <... futex resumed>) = 0 [pid 21026] write(-1, "0x0000000000000001", 18 [pid 21025] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21026] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21026] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21025] <... futex resumed>) = 0 [pid 21026] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21025] exit_group(0 [pid 21026] <... futex resumed>) = ? [pid 21025] <... exit_group resumed>) = ? [pid 21026] +++ exited with 0 +++ [pid 21025] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21025, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21027 ./strace-static-x86_64: Process 21027 attached [pid 21027] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21027] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21027] setpgid(0, 0) = 0 [pid 21027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21027] write(3, "1000", 4) = 4 [pid 21027] close(3) = 0 [pid 21027] write(1, "executing program\n", 18executing program ) = 18 [pid 21027] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21027] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21027] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21027] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21027] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21027] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21027] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21028]}, 88) = 21028 [pid 21027] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21027] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21027] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21028 attached [pid 21028] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21028] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21028] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21028] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21027] <... futex resumed>) = 0 [pid 21027] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21027] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21028] <... futex resumed>) = 1 [pid 21028] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21028] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21027] <... futex resumed>) = 0 [pid 21027] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21027] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21028] <... futex resumed>) = 1 [pid 21028] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21028] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21027] <... futex resumed>) = 0 [pid 21027] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21027] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21028] <... futex resumed>) = 1 [pid 21028] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21028] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21027] <... futex resumed>) = 0 [pid 21027] exit_group(0) = ? [pid 21028] <... futex resumed>) = ? [pid 21028] +++ exited with 0 +++ [pid 21027] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21027, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21029 attached , child_tidptr=0x55557e841690) = 21029 [pid 21029] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21029] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21029] setpgid(0, 0) = 0 [pid 21029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21029] write(3, "1000", 4) = 4 [pid 21029] close(3executing program ) = 0 [pid 21029] write(1, "executing program\n", 18) = 18 [pid 21029] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21029] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21029] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21029] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21029] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21029] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21029] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21030]}, 88) = 21030 [pid 21029] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21029] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21029] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21030 attached [pid 21030] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21030] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21030] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21030] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21029] <... futex resumed>) = 0 [pid 21029] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21029] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21030] <... futex resumed>) = 1 [pid 21030] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21030] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21029] <... futex resumed>) = 0 [pid 21029] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21029] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21030] <... futex resumed>) = 1 [pid 21030] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21030] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21029] <... futex resumed>) = 0 [pid 21029] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21029] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21030] <... futex resumed>) = 1 [pid 21030] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21030] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21029] <... futex resumed>) = 0 [pid 21029] exit_group(0) = ? [pid 21030] <... futex resumed>) = ? [pid 21030] +++ exited with 0 +++ [pid 21029] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21029, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21031 ./strace-static-x86_64: Process 21031 attached [pid 21031] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21031] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21031] setpgid(0, 0) = 0 [pid 21031] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21031] write(3, "1000", 4) = 4 [pid 21031] close(3executing program ) = 0 [pid 21031] write(1, "executing program\n", 18) = 18 [pid 21031] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21031] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21031] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21031] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21031] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21031] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21031] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21032 attached => {parent_tid=[21032]}, 88) = 21032 [pid 21031] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21031] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21031] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21032] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21032] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21032] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21032] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21031] <... futex resumed>) = 0 [pid 21031] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21031] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21032] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21032] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21031] <... futex resumed>) = 0 [pid 21031] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21031] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21032] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21032] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21031] <... futex resumed>) = 0 [pid 21031] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21031] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21032] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21032] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21031] <... futex resumed>) = 0 [pid 21031] exit_group(0) = ? [pid 21032] +++ exited with 0 +++ [pid 21031] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21031, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21033 ./strace-static-x86_64: Process 21033 attached [pid 21033] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21033] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21033] setpgid(0, 0) = 0 [pid 21033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21033] write(3, "1000", 4) = 4 [pid 21033] close(3) = 0 [pid 21033] write(1, "executing program\n", 18executing program ) = 18 [pid 21033] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21033] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21033] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21033] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21033] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21033] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21033] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21034]}, 88) = 21034 [pid 21033] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21033] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21033] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21034 attached [pid 21034] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21034] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21034] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21034] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21033] <... futex resumed>) = 0 [pid 21033] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21033] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21034] <... futex resumed>) = 1 [pid 21034] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21034] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21033] <... futex resumed>) = 0 [pid 21033] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21033] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21034] <... futex resumed>) = 1 [pid 21034] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21034] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21033] <... futex resumed>) = 0 [pid 21033] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21033] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21034] <... futex resumed>) = 1 [pid 21034] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21034] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21033] <... futex resumed>) = 0 [pid 21034] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21033] exit_group(0) = ? [pid 21034] <... futex resumed>) = ? [pid 21034] +++ exited with 0 +++ [pid 21033] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21033, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21035 ./strace-static-x86_64: Process 21035 attached [pid 21035] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21035] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21035] setpgid(0, 0) = 0 [pid 21035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21035] write(3, "1000", 4) = 4 [pid 21035] close(3) = 0 [pid 21035] write(1, "executing program\n", 18executing program ) = 18 [pid 21035] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21035] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21035] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21035] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21035] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21035] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21035] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21036 attached => {parent_tid=[21036]}, 88) = 21036 [pid 21035] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21035] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21035] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21036] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21036] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21036] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21036] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21035] <... futex resumed>) = 0 [pid 21035] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21035] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21036] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21036] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21035] <... futex resumed>) = 0 [pid 21035] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21035] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21036] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21036] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21035] <... futex resumed>) = 0 [pid 21035] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21035] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21036] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21036] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21035] <... futex resumed>) = 0 [pid 21035] exit_group(0) = ? [pid 21036] +++ exited with 0 +++ [pid 21035] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21035, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21037 ./strace-static-x86_64: Process 21037 attached [pid 21037] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21037] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21037] setpgid(0, 0) = 0 [pid 21037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21037] write(3, "1000", 4) = 4 executing program [pid 21037] close(3) = 0 [pid 21037] write(1, "executing program\n", 18) = 18 [pid 21037] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21037] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21037] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21037] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21037] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21037] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21037] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21038]}, 88) = 21038 ./strace-static-x86_64: Process 21038 attached [pid 21038] set_robust_list(0x7f5486a549a0, 24 [pid 21037] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21038] <... set_robust_list resumed>) = 0 [pid 21037] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21038] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21037] <... futex resumed>) = 0 [pid 21038] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21037] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21038] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21038] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21037] <... futex resumed>) = 0 [pid 21037] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21037] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21038] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21038] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21037] <... futex resumed>) = 0 [pid 21037] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21037] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21038] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21038] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21037] <... futex resumed>) = 0 [pid 21037] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21037] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21038] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21038] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21037] <... futex resumed>) = 0 [pid 21037] exit_group(0) = ? [pid 21038] +++ exited with 0 +++ [pid 21037] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21037, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21039 attached , child_tidptr=0x55557e841690) = 21039 [pid 21039] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21039] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21039] setpgid(0, 0) = 0 [pid 21039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21039] write(3, "1000", 4) = 4 [pid 21039] close(3) = 0 [pid 21039] write(1, "executing program\n", 18executing program ) = 18 [pid 21039] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21039] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21039] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21039] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21039] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21039] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21039] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21040]}, 88) = 21040 ./strace-static-x86_64: Process 21040 attached [pid 21040] set_robust_list(0x7f5486a549a0, 24 [pid 21039] rt_sigprocmask(SIG_SETMASK, [], [pid 21040] <... set_robust_list resumed>) = 0 [pid 21039] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21040] rt_sigprocmask(SIG_SETMASK, [], [pid 21039] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21040] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21039] <... futex resumed>) = 0 [pid 21040] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21039] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21040] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21040] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21039] <... futex resumed>) = 0 [pid 21040] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21039] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21040] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21039] <... futex resumed>) = 0 [pid 21040] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21039] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21040] <... futex resumed>) = 0 [pid 21039] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21040] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21039] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21040] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21039] <... futex resumed>) = 0 [pid 21040] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21039] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21040] <... futex resumed>) = 0 [pid 21039] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21040] write(-1, "0x0000000000000001", 18 [pid 21039] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21040] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21039] <... futex resumed>) = 0 [pid 21040] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21039] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21040] <... futex resumed>) = 0 [pid 21039] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21040] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21039] exit_group(0 [pid 21040] <... futex resumed>) = ? [pid 21039] <... exit_group resumed>) = ? [pid 21040] +++ exited with 0 +++ [pid 21039] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21039, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21041 ./strace-static-x86_64: Process 21041 attached [pid 21041] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21041] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21041] setpgid(0, 0) = 0 [pid 21041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21041] write(3, "1000", 4) = 4 [pid 21041] close(3executing program ) = 0 [pid 21041] write(1, "executing program\n", 18) = 18 [pid 21041] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21041] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21041] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21041] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21041] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21041] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21041] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21042 attached => {parent_tid=[21042]}, 88) = 21042 [pid 21041] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21041] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21041] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21042] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21042] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21042] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21042] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21041] <... futex resumed>) = 0 [pid 21042] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21041] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21042] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21041] <... futex resumed>) = 0 [pid 21042] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21041] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21042] <... futex resumed>) = 0 [pid 21041] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21042] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21041] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21042] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21041] <... futex resumed>) = 0 [pid 21042] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21041] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21042] <... futex resumed>) = 0 [pid 21041] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21042] write(-1, "0x0000000000000001", 18 [pid 21041] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21042] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21041] <... futex resumed>) = 0 [pid 21042] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21041] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21042] <... futex resumed>) = 0 [pid 21041] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21042] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21041] exit_group(0 [pid 21042] <... futex resumed>) = ? [pid 21041] <... exit_group resumed>) = ? [pid 21042] +++ exited with 0 +++ [pid 21041] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21041, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21043 attached , child_tidptr=0x55557e841690) = 21043 [pid 21043] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21043] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21043] setpgid(0, 0) = 0 [pid 21043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21043] write(3, "1000", 4) = 4 [pid 21043] close(3) = 0 executing program [pid 21043] write(1, "executing program\n", 18) = 18 [pid 21043] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21043] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21043] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21043] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21043] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21043] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21043] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21044]}, 88) = 21044 ./strace-static-x86_64: Process 21044 attached [pid 21044] set_robust_list(0x7f5486a549a0, 24 [pid 21043] rt_sigprocmask(SIG_SETMASK, [], [pid 21044] <... set_robust_list resumed>) = 0 [pid 21043] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21044] rt_sigprocmask(SIG_SETMASK, [], [pid 21043] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21044] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21043] <... futex resumed>) = 0 [pid 21044] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21043] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21044] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21044] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21043] <... futex resumed>) = 0 [pid 21044] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21043] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21044] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21043] <... futex resumed>) = 0 [pid 21044] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21043] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21044] <... futex resumed>) = 0 [pid 21043] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21044] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21043] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21044] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21043] <... futex resumed>) = 0 [pid 21044] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21043] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21044] <... futex resumed>) = 0 [pid 21043] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21044] write(-1, "0x0000000000000001", 18 [pid 21043] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21044] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21043] <... futex resumed>) = 0 [pid 21044] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21043] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21044] <... futex resumed>) = 0 [pid 21043] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21044] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21043] exit_group(0 [pid 21044] <... futex resumed>) = ? [pid 21043] <... exit_group resumed>) = ? [pid 21044] +++ exited with 0 +++ [pid 21043] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21043, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21045 ./strace-static-x86_64: Process 21045 attached [pid 21045] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21045] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21045] setpgid(0, 0) = 0 [pid 21045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21045] write(3, "1000", 4executing program ) = 4 [pid 21045] close(3) = 0 [pid 21045] write(1, "executing program\n", 18) = 18 [pid 21045] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21045] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21045] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21045] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21045] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21045] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21045] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21046]}, 88) = 21046 [pid 21045] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21045] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21045] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21046 attached [pid 21046] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21046] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21046] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21046] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21045] <... futex resumed>) = 0 [pid 21046] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21045] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21046] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21045] <... futex resumed>) = 0 [pid 21046] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21045] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21046] <... futex resumed>) = 0 [pid 21045] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21046] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21045] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21046] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21045] <... futex resumed>) = 0 [pid 21046] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21045] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21046] <... futex resumed>) = 0 [pid 21045] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21046] write(-1, "0x0000000000000001", 18 [pid 21045] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21046] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21045] <... futex resumed>) = 0 [pid 21046] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21045] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21046] <... futex resumed>) = 0 [pid 21045] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21046] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21045] exit_group(0 [pid 21046] <... futex resumed>) = ? [pid 21045] <... exit_group resumed>) = ? [pid 21046] +++ exited with 0 +++ [pid 21045] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21045, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21047 ./strace-static-x86_64: Process 21047 attached [pid 21047] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21047] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21047] setpgid(0, 0) = 0 [pid 21047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21047] write(3, "1000", 4) = 4 [pid 21047] close(3) = 0 [pid 21047] write(1, "executing program\n", 18executing program ) = 18 [pid 21047] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21047] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21047] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21047] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21047] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21047] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21047] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21048]}, 88) = 21048 ./strace-static-x86_64: Process 21048 attached [pid 21047] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21047] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21047] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21048] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21048] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21048] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21048] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21047] <... futex resumed>) = 0 [pid 21048] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21047] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21048] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21047] <... futex resumed>) = 0 [pid 21048] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21047] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21048] <... futex resumed>) = 0 [pid 21047] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21048] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21047] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21048] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21047] <... futex resumed>) = 0 [pid 21048] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21047] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21048] <... futex resumed>) = 0 [pid 21047] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21048] write(-1, "0x0000000000000001", 18 [pid 21047] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21048] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21047] <... futex resumed>) = 0 [pid 21048] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21047] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21048] <... futex resumed>) = 0 [pid 21047] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21048] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21047] exit_group(0 [pid 21048] <... futex resumed>) = ? [pid 21047] <... exit_group resumed>) = ? [pid 21048] +++ exited with 0 +++ [pid 21047] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21047, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21049 attached , child_tidptr=0x55557e841690) = 21049 [pid 21049] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21049] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21049] setpgid(0, 0) = 0 [pid 21049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21049] write(3, "1000", 4) = 4 [pid 21049] close(3) = 0 [pid 21049] write(1, "executing program\n", 18executing program ) = 18 [pid 21049] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21049] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21049] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21049] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21049] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21049] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21049] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21050 attached => {parent_tid=[21050]}, 88) = 21050 [pid 21049] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21049] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21049] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21050] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21050] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21050] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21050] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21050] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21049] <... futex resumed>) = 0 [pid 21049] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21050] <... futex resumed>) = 0 [pid 21049] <... futex resumed>) = 1 [pid 21050] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21050] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21050] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21049] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 21049] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21050] <... futex resumed>) = 0 [pid 21049] <... futex resumed>) = 1 [pid 21050] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21049] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21050] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21050] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21049] <... futex resumed>) = 0 [pid 21050] write(-1, "0x0000000000000001", 18 [pid 21049] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21050] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21049] <... futex resumed>) = 0 [pid 21050] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21049] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21050] <... futex resumed>) = 0 [pid 21049] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21050] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21049] exit_group(0 [pid 21050] <... futex resumed>) = ? [pid 21049] <... exit_group resumed>) = ? [pid 21050] +++ exited with 0 +++ [pid 21049] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21049, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21051 ./strace-static-x86_64: Process 21051 attached [pid 21051] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21051] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21051] setpgid(0, 0) = 0 [pid 21051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21051] write(3, "1000", 4) = 4 [pid 21051] close(3) = 0 [pid 21051] write(1, "executing program\n", 18executing program ) = 18 [pid 21051] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21051] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21051] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21051] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21051] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21051] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21051] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21052 attached => {parent_tid=[21052]}, 88) = 21052 [pid 21051] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21051] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21051] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21052] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21052] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21052] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21052] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21051] <... futex resumed>) = 0 [pid 21052] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21051] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21052] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21051] <... futex resumed>) = 0 [pid 21052] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21051] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21052] <... futex resumed>) = 0 [pid 21051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21052] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21051] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21052] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21051] <... futex resumed>) = 0 [pid 21052] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21051] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21052] <... futex resumed>) = 0 [pid 21051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21052] write(-1, "0x0000000000000001", 18 [pid 21051] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21051] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21052] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21052] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21051] <... futex resumed>) = 0 [pid 21052] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21051] exit_group(0 [pid 21052] <... futex resumed>) = ? [pid 21051] <... exit_group resumed>) = ? [pid 21052] +++ exited with 0 +++ [pid 21051] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21051, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21053 ./strace-static-x86_64: Process 21053 attached [pid 21053] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21053] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21053] setpgid(0, 0) = 0 [pid 21053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21053] write(3, "1000", 4) = 4 executing program [pid 21053] close(3) = 0 [pid 21053] write(1, "executing program\n", 18) = 18 [pid 21053] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21053] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21053] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21053] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21053] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21053] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21053] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21054]}, 88) = 21054 [pid 21053] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21053] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21053] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21054 attached [pid 21054] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21054] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21054] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21054] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21053] <... futex resumed>) = 0 [pid 21053] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21053] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21054] <... futex resumed>) = 1 [pid 21054] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21054] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21053] <... futex resumed>) = 0 [pid 21053] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21053] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21054] <... futex resumed>) = 1 [pid 21054] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21054] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21053] <... futex resumed>) = 0 [pid 21053] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21053] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21054] <... futex resumed>) = 1 [pid 21054] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21054] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21053] <... futex resumed>) = 0 [pid 21053] exit_group(0) = ? [pid 21054] <... futex resumed>) = ? [pid 21054] +++ exited with 0 +++ [pid 21053] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21053, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21055 attached , child_tidptr=0x55557e841690) = 21055 [pid 21055] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21055] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21055] setpgid(0, 0) = 0 [pid 21055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21055] write(3, "1000", 4) = 4 [pid 21055] close(3) = 0 [pid 21055] write(1, "executing program\n", 18executing program ) = 18 [pid 21055] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21055] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21055] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21055] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21055] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21055] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21055] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21056 attached => {parent_tid=[21056]}, 88) = 21056 [pid 21056] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21056] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21056] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21055] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21055] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21056] <... futex resumed>) = 0 [pid 21056] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21055] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21056] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21056] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21056] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21055] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21055] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21055] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21056] <... futex resumed>) = 0 [pid 21056] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21056] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21055] <... futex resumed>) = 0 [pid 21055] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21055] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21056] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21056] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21055] <... futex resumed>) = 0 [pid 21055] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21055] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21056] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21056] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21055] <... futex resumed>) = 0 [pid 21055] exit_group(0) = ? [pid 21056] +++ exited with 0 +++ [pid 21055] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21055, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21057 ./strace-static-x86_64: Process 21057 attached [pid 21057] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21057] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21057] setpgid(0, 0) = 0 [pid 21057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21057] write(3, "1000", 4) = 4 [pid 21057] close(3) = 0 executing program [pid 21057] write(1, "executing program\n", 18) = 18 [pid 21057] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21057] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21057] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21057] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21057] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21057] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21057] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21058]}, 88) = 21058 [pid 21057] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21057] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21057] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21058 attached [pid 21058] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21058] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21058] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21058] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21057] <... futex resumed>) = 0 [pid 21057] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21057] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21058] <... futex resumed>) = 1 [pid 21058] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21058] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21057] <... futex resumed>) = 0 [pid 21057] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21057] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21058] <... futex resumed>) = 1 [pid 21058] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21058] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21057] <... futex resumed>) = 0 [pid 21057] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21057] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21058] <... futex resumed>) = 1 [pid 21058] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21058] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21057] <... futex resumed>) = 0 [pid 21057] exit_group(0) = ? [pid 21058] <... futex resumed>) = ? [pid 21058] +++ exited with 0 +++ [pid 21057] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21057, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21059 ./strace-static-x86_64: Process 21059 attached [pid 21059] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21059] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21059] setpgid(0, 0) = 0 [pid 21059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21059] write(3, "1000", 4) = 4 [pid 21059] close(3) = 0 executing program [pid 21059] write(1, "executing program\n", 18) = 18 [pid 21059] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21059] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21059] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21059] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21059] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21059] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21059] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21060]}, 88) = 21060 [pid 21059] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21059] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21059] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21060 attached [pid 21060] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21060] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21060] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21060] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21059] <... futex resumed>) = 0 [pid 21059] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21059] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21060] <... futex resumed>) = 1 [pid 21060] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21060] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21059] <... futex resumed>) = 0 [pid 21059] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21059] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21060] <... futex resumed>) = 1 [pid 21060] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21060] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21059] <... futex resumed>) = 0 [pid 21059] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21059] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21060] <... futex resumed>) = 1 [pid 21060] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21060] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21059] <... futex resumed>) = 0 [pid 21059] exit_group(0) = ? [pid 21060] <... futex resumed>) = ? [pid 21060] +++ exited with 0 +++ [pid 21059] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21059, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21061 attached , child_tidptr=0x55557e841690) = 21061 [pid 21061] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21061] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21061] setpgid(0, 0) = 0 [pid 21061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21061] write(3, "1000", 4) = 4 [pid 21061] close(3executing program ) = 0 [pid 21061] write(1, "executing program\n", 18) = 18 [pid 21061] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21061] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21061] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21061] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21061] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21061] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21061] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21062 attached [pid 21062] set_robust_list(0x7f5486a549a0, 24 [pid 21061] <... clone3 resumed> => {parent_tid=[21062]}, 88) = 21062 [pid 21061] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21061] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21061] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21062] <... set_robust_list resumed>) = 0 [pid 21062] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21062] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21062] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21062] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21061] <... futex resumed>) = 0 [pid 21061] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21062] <... futex resumed>) = 0 [pid 21062] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21061] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21062] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21062] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21061] <... futex resumed>) = 0 [pid 21061] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21061] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21062] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21062] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21061] <... futex resumed>) = 0 [pid 21061] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21061] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21062] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21062] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21061] <... futex resumed>) = 0 [pid 21061] exit_group(0) = ? [pid 21062] +++ exited with 0 +++ [pid 21061] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21061, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21063 ./strace-static-x86_64: Process 21063 attached [pid 21063] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21063] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21063] setpgid(0, 0) = 0 [pid 21063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21063] write(3, "1000", 4) = 4 [pid 21063] close(3) = 0 executing program [pid 21063] write(1, "executing program\n", 18) = 18 [pid 21063] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21063] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21063] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21063] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21063] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21063] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21063] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21064 attached => {parent_tid=[21064]}, 88) = 21064 [pid 21063] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21063] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21063] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21064] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21064] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21064] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21064] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21063] <... futex resumed>) = 0 [pid 21063] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21063] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21064] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21064] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21063] <... futex resumed>) = 0 [pid 21063] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21063] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21064] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21064] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21063] <... futex resumed>) = 0 [pid 21063] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21063] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21064] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21064] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21063] <... futex resumed>) = 0 [pid 21063] exit_group(0 [pid 21064] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 21063] <... exit_group resumed>) = ? [pid 21064] +++ exited with 0 +++ [pid 21063] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21063, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21065 attached , child_tidptr=0x55557e841690) = 21065 [pid 21065] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21065] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21065] setpgid(0, 0) = 0 [pid 21065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21065] write(3, "1000", 4) = 4 [pid 21065] close(3) = 0 [pid 21065] write(1, "executing program\n", 18executing program ) = 18 [pid 21065] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21065] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21065] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21065] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21065] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21065] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21065] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21066 attached => {parent_tid=[21066]}, 88) = 21066 [pid 21065] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21065] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21065] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21066] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21066] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21066] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21066] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21065] <... futex resumed>) = 0 [pid 21065] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21065] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21066] <... futex resumed>) = 1 [pid 21066] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21066] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21065] <... futex resumed>) = 0 [pid 21065] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21065] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21066] <... futex resumed>) = 1 [pid 21066] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21066] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21065] <... futex resumed>) = 0 [pid 21065] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21065] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21066] <... futex resumed>) = 1 [pid 21066] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21066] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21065] <... futex resumed>) = 0 [pid 21065] exit_group(0) = ? [pid 21066] <... futex resumed>) = ? [pid 21066] +++ exited with 0 +++ [pid 21065] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21065, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21067 ./strace-static-x86_64: Process 21067 attached [pid 21067] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21067] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21067] setpgid(0, 0) = 0 [pid 21067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21067] write(3, "1000", 4) = 4 executing program [pid 21067] close(3) = 0 [pid 21067] write(1, "executing program\n", 18) = 18 [pid 21067] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21067] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21067] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21067] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21067] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21067] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21067] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21068]}, 88) = 21068 [pid 21067] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21067] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21067] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21068 attached [pid 21068] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21068] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21068] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21068] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21067] <... futex resumed>) = 0 [pid 21067] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21067] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21068] <... futex resumed>) = 1 [pid 21068] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21068] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21067] <... futex resumed>) = 0 [pid 21067] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21067] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21068] <... futex resumed>) = 1 [pid 21068] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21068] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21067] <... futex resumed>) = 0 [pid 21067] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21067] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21068] <... futex resumed>) = 1 [pid 21068] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21068] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21067] <... futex resumed>) = 0 [pid 21067] exit_group(0) = ? [pid 21068] <... futex resumed>) = ? [pid 21068] +++ exited with 0 +++ [pid 21067] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21067, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21069 ./strace-static-x86_64: Process 21069 attached [pid 21069] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21069] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21069] setpgid(0, 0) = 0 [pid 21069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21069] write(3, "1000", 4) = 4 [pid 21069] close(3) = 0 executing program [pid 21069] write(1, "executing program\n", 18) = 18 [pid 21069] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21069] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21069] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21069] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21069] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21069] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21069] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21070 attached => {parent_tid=[21070]}, 88) = 21070 [pid 21069] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21069] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21069] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21070] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21070] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21070] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21070] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21069] <... futex resumed>) = 0 [pid 21069] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21069] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21070] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21070] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21069] <... futex resumed>) = 0 [pid 21069] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21069] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21070] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21070] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21069] <... futex resumed>) = 0 [pid 21069] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21069] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21070] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21070] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21069] <... futex resumed>) = 0 [pid 21069] exit_group(0) = ? [pid 21070] +++ exited with 0 +++ [pid 21069] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21069, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21071 ./strace-static-x86_64: Process 21071 attached [pid 21071] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21071] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21071] setpgid(0, 0) = 0 [pid 21071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21071] write(3, "1000", 4) = 4 [pid 21071] close(3executing program ) = 0 [pid 21071] write(1, "executing program\n", 18) = 18 [pid 21071] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21071] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21071] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21071] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21071] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21071] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21071] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21072]}, 88) = 21072 [pid 21071] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21071] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21071] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21072 attached [pid 21072] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21072] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21072] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21072] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21072] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21071] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21072] <... futex resumed>) = 0 [pid 21072] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21071] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21072] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21072] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21071] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21072] <... futex resumed>) = 0 [pid 21072] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21071] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21072] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21071] <... futex resumed>) = 0 [pid 21071] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21072] write(-1, "0x0000000000000001", 18 [pid 21071] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21072] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21072] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21071] <... futex resumed>) = 0 [pid 21071] exit_group(0) = ? [pid 21072] +++ exited with 0 +++ [pid 21071] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21071, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21073 ./strace-static-x86_64: Process 21073 attached [pid 21073] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21073] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21073] setpgid(0, 0) = 0 [pid 21073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21073] write(3, "1000", 4) = 4 [pid 21073] close(3) = 0 [pid 21073] write(1, "executing program\n", 18executing program ) = 18 [pid 21073] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21073] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21073] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21073] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21073] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21073] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21073] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21074]}, 88) = 21074 [pid 21073] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21073] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21073] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21074 attached [pid 21074] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21074] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21074] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21074] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21073] <... futex resumed>) = 0 [pid 21073] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21073] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21074] <... futex resumed>) = 1 [pid 21074] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21074] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21073] <... futex resumed>) = 0 [pid 21073] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21073] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21074] <... futex resumed>) = 1 [pid 21074] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21074] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21073] <... futex resumed>) = 0 [pid 21073] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21073] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21074] <... futex resumed>) = 1 [pid 21074] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21074] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21073] <... futex resumed>) = 0 [pid 21073] exit_group(0) = ? [pid 21074] <... futex resumed>) = ? [pid 21074] +++ exited with 0 +++ [pid 21073] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21073, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21075 ./strace-static-x86_64: Process 21075 attached [pid 21075] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21075] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21075] setpgid(0, 0) = 0 [pid 21075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21075] write(3, "1000", 4) = 4 [pid 21075] close(3executing program ) = 0 [pid 21075] write(1, "executing program\n", 18) = 18 [pid 21075] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21075] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21075] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21075] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21075] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21075] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21075] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21076]}, 88) = 21076 [pid 21075] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21075] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21075] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21076 attached [pid 21076] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21076] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21076] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21076] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21076] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21075] <... futex resumed>) = 0 [pid 21076] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21075] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21076] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21075] <... futex resumed>) = 0 [pid 21075] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21076] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21076] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21075] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21076] <... futex resumed>) = 0 [pid 21075] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21076] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21075] <... futex resumed>) = 0 [pid 21075] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21076] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21076] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21075] <... futex resumed>) = 0 [pid 21075] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21076] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21075] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21076] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21075] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21076] <... futex resumed>) = 0 [pid 21075] exit_group(0) = ? [pid 21076] +++ exited with 0 +++ [pid 21075] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21075, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21077 attached , child_tidptr=0x55557e841690) = 21077 [pid 21077] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21077] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21077] setpgid(0, 0) = 0 [pid 21077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21077] write(3, "1000", 4) = 4 [pid 21077] close(3) = 0 [pid 21077] write(1, "executing program\n", 18executing program ) = 18 [pid 21077] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21077] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21077] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21077] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21077] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21077] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21077] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21078 attached => {parent_tid=[21078]}, 88) = 21078 [pid 21078] set_robust_list(0x7f5486a549a0, 24 [pid 21077] rt_sigprocmask(SIG_SETMASK, [], [pid 21078] <... set_robust_list resumed>) = 0 [pid 21077] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21078] rt_sigprocmask(SIG_SETMASK, [], [pid 21077] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21078] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21077] <... futex resumed>) = 0 [pid 21078] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21077] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21078] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21078] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21077] <... futex resumed>) = 0 [pid 21077] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21077] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21078] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21078] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21077] <... futex resumed>) = 0 [pid 21077] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21077] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21078] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21078] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21077] <... futex resumed>) = 0 [pid 21077] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21077] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21078] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21078] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21077] <... futex resumed>) = 0 [pid 21077] exit_group(0) = ? [pid 21078] +++ exited with 0 +++ [pid 21077] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21077, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21079 attached , child_tidptr=0x55557e841690) = 21079 [pid 21079] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21079] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21079] setpgid(0, 0) = 0 [pid 21079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21079] write(3, "1000", 4) = 4 [pid 21079] close(3) = 0 executing program [pid 21079] write(1, "executing program\n", 18) = 18 [pid 21079] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21079] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21079] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21079] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21079] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21079] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21079] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21080 attached => {parent_tid=[21080]}, 88) = 21080 [pid 21080] set_robust_list(0x7f5486a549a0, 24 [pid 21079] rt_sigprocmask(SIG_SETMASK, [], [pid 21080] <... set_robust_list resumed>) = 0 [pid 21079] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21080] rt_sigprocmask(SIG_SETMASK, [], [pid 21079] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21080] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21079] <... futex resumed>) = 0 [pid 21080] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21079] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21080] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21080] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21079] <... futex resumed>) = 0 [pid 21079] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21079] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21080] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21080] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21079] <... futex resumed>) = 0 [pid 21079] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21079] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21080] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21080] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21079] <... futex resumed>) = 0 [pid 21079] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21079] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21080] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21080] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21079] <... futex resumed>) = 0 [pid 21079] exit_group(0) = ? [pid 21080] +++ exited with 0 +++ [pid 21079] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21079, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21081 ./strace-static-x86_64: Process 21081 attached [pid 21081] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21081] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21081] setpgid(0, 0) = 0 [pid 21081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21081] write(3, "1000", 4) = 4 [pid 21081] close(3executing program ) = 0 [pid 21081] write(1, "executing program\n", 18) = 18 [pid 21081] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21081] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21081] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21081] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21081] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21081] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21081] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21082 attached => {parent_tid=[21082]}, 88) = 21082 [pid 21081] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21081] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21081] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21082] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21082] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21082] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21082] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21081] <... futex resumed>) = 0 [pid 21082] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21081] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21082] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21081] <... futex resumed>) = 0 [pid 21082] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21081] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21082] <... futex resumed>) = 0 [pid 21081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21082] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21081] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21082] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21081] <... futex resumed>) = 0 [pid 21082] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21081] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21082] <... futex resumed>) = 0 [pid 21081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21082] write(-1, "0x0000000000000001", 18 [pid 21081] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21082] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21081] <... futex resumed>) = 0 [pid 21082] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21081] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21082] <... futex resumed>) = 0 [pid 21081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21082] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21081] exit_group(0 [pid 21082] <... futex resumed>) = ? [pid 21081] <... exit_group resumed>) = ? [pid 21082] +++ exited with 0 +++ [pid 21081] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21081, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21083 attached , child_tidptr=0x55557e841690) = 21083 [pid 21083] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21083] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21083] setpgid(0, 0) = 0 [pid 21083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21083] write(3, "1000", 4) = 4 [pid 21083] close(3) = 0 [pid 21083] write(1, "executing program\n", 18executing program ) = 18 [pid 21083] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21083] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21083] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21083] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21083] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21083] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21083] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21084]}, 88) = 21084 ./strace-static-x86_64: Process 21084 attached [pid 21084] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21084] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21084] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21083] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21083] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21084] <... futex resumed>) = 0 [pid 21083] <... futex resumed>) = 1 [pid 21084] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21083] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21084] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21084] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21084] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21083] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21083] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21084] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21084] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21084] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21083] <... futex resumed>) = 0 [pid 21083] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21084] <... futex resumed>) = 0 [pid 21083] <... futex resumed>) = 1 [pid 21084] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21083] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21084] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21084] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21083] <... futex resumed>) = 0 [pid 21084] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21083] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21083] <... futex resumed>) = 0 [pid 21084] write(-1, "0x0000000000000001", 18 [pid 21083] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21084] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21084] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21083] <... futex resumed>) = 0 [pid 21084] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21083] exit_group(0 [pid 21084] <... futex resumed>) = ? [pid 21083] <... exit_group resumed>) = ? [pid 21084] +++ exited with 0 +++ [pid 21083] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21083, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21085 ./strace-static-x86_64: Process 21085 attached [pid 21085] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21085] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21085] setpgid(0, 0) = 0 [pid 21085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21085] write(3, "1000", 4) = 4 [pid 21085] close(3) = 0 [pid 21085] write(1, "executing program\n", 18executing program ) = 18 [pid 21085] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21085] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21085] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21085] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21085] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21085] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21085] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21086]}, 88) = 21086 [pid 21085] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21085] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21085] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21086 attached [pid 21086] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21086] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21086] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21086] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21085] <... futex resumed>) = 0 [pid 21086] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21085] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21086] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21085] <... futex resumed>) = 0 [pid 21086] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21085] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21086] <... futex resumed>) = 0 [pid 21085] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21086] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21085] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21086] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21085] <... futex resumed>) = 0 [pid 21086] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21085] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21086] <... futex resumed>) = 0 [pid 21085] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21086] write(-1, "0x0000000000000001", 18 [pid 21085] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21086] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21085] <... futex resumed>) = 0 [pid 21086] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21085] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21086] <... futex resumed>) = 0 [pid 21085] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21086] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21085] exit_group(0 [pid 21086] <... futex resumed>) = ? [pid 21085] <... exit_group resumed>) = ? [pid 21086] +++ exited with 0 +++ [pid 21085] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21085, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21087 ./strace-static-x86_64: Process 21087 attached [pid 21087] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21087] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21087] setpgid(0, 0) = 0 [pid 21087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21087] write(3, "1000", 4) = 4 [pid 21087] close(3) = 0 [pid 21087] write(1, "executing program\n", 18executing program ) = 18 [pid 21087] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21087] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21087] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21087] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21087] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21087] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21087] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21088 attached => {parent_tid=[21088]}, 88) = 21088 [pid 21087] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21087] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21087] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21088] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21088] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21088] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21088] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21087] <... futex resumed>) = 0 [pid 21088] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21087] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21088] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21087] <... futex resumed>) = 0 [pid 21088] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21087] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21088] <... futex resumed>) = 0 [pid 21087] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21088] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21087] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21088] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21087] <... futex resumed>) = 0 [pid 21088] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21087] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21088] <... futex resumed>) = 0 [pid 21087] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21088] write(-1, "0x0000000000000001", 18 [pid 21087] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21088] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21087] <... futex resumed>) = 0 [pid 21088] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21087] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21088] <... futex resumed>) = 0 [pid 21087] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21088] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21087] exit_group(0 [pid 21088] <... futex resumed>) = ? [pid 21087] <... exit_group resumed>) = ? [pid 21088] +++ exited with 0 +++ [pid 21087] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21087, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21089 ./strace-static-x86_64: Process 21089 attached [pid 21089] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21089] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21089] setpgid(0, 0) = 0 [pid 21089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21089] write(3, "1000", 4) = 4 [pid 21089] close(3) = 0 executing program [pid 21089] write(1, "executing program\n", 18) = 18 [pid 21089] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21089] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21089] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21089] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21089] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21089] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21089] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21090]}, 88) = 21090 [pid 21089] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21089] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21089] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21090 attached [pid 21090] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21090] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21090] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21090] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21089] <... futex resumed>) = 0 [pid 21089] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21089] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21090] <... futex resumed>) = 1 [pid 21090] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21090] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21089] <... futex resumed>) = 0 [pid 21089] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21089] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21090] <... futex resumed>) = 1 [pid 21090] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21090] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21089] <... futex resumed>) = 0 [pid 21089] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21089] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21090] <... futex resumed>) = 1 [pid 21090] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21090] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21089] <... futex resumed>) = 0 [pid 21089] exit_group(0) = ? [pid 21090] <... futex resumed>) = ? [pid 21090] +++ exited with 0 +++ [pid 21089] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21089, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21091 attached , child_tidptr=0x55557e841690) = 21091 [pid 21091] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21091] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21091] setpgid(0, 0) = 0 [pid 21091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21091] write(3, "1000", 4) = 4 executing program [pid 21091] close(3) = 0 [pid 21091] write(1, "executing program\n", 18) = 18 [pid 21091] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21091] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21091] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21091] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21091] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21091] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21091] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21092 attached => {parent_tid=[21092]}, 88) = 21092 [pid 21091] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21091] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21091] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21092] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21092] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21092] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21092] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21091] <... futex resumed>) = 0 [pid 21091] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21091] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21092] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21092] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21091] <... futex resumed>) = 0 [pid 21091] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21091] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21092] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21092] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21091] <... futex resumed>) = 0 [pid 21091] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21091] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21092] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21092] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21091] <... futex resumed>) = 0 [pid 21091] exit_group(0) = ? [pid 21092] +++ exited with 0 +++ [pid 21091] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21091, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21093 attached , child_tidptr=0x55557e841690) = 21093 [pid 21093] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21093] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21093] setpgid(0, 0) = 0 [pid 21093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21093] write(3, "1000", 4) = 4 [pid 21093] close(3) = 0 executing program [pid 21093] write(1, "executing program\n", 18) = 18 [pid 21093] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21093] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21093] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21093] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21093] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21093] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21093] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21094 attached => {parent_tid=[21094]}, 88) = 21094 [pid 21093] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21093] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21093] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21094] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21094] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21094] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21094] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21093] <... futex resumed>) = 0 [pid 21093] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21093] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21094] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21094] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21093] <... futex resumed>) = 0 [pid 21093] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21093] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21094] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21094] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21093] <... futex resumed>) = 0 [pid 21093] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21093] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21094] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21094] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21093] <... futex resumed>) = 0 [pid 21093] exit_group(0) = ? [pid 21094] +++ exited with 0 +++ [pid 21093] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21093, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21095 attached , child_tidptr=0x55557e841690) = 21095 [pid 21095] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21095] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21095] setpgid(0, 0) = 0 [pid 21095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21095] write(3, "1000", 4) = 4 [pid 21095] close(3) = 0 [pid 21095] write(1, "executing program\n", 18executing program ) = 18 [pid 21095] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21095] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21095] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21095] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21095] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21095] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21095] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21096 attached => {parent_tid=[21096]}, 88) = 21096 [pid 21095] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21095] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21095] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21096] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21096] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21096] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21096] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21095] <... futex resumed>) = 0 [pid 21096] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21095] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21096] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21095] <... futex resumed>) = 0 [pid 21096] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21095] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21096] <... futex resumed>) = 0 [pid 21095] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21096] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21095] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21096] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21095] <... futex resumed>) = 0 [pid 21096] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21095] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21096] <... futex resumed>) = 0 [pid 21095] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21096] write(-1, "0x0000000000000001", 18 [pid 21095] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21096] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21095] <... futex resumed>) = 0 [pid 21096] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21095] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21096] <... futex resumed>) = 0 [pid 21095] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21096] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21095] exit_group(0 [pid 21096] <... futex resumed>) = ? [pid 21095] <... exit_group resumed>) = ? [pid 21096] +++ exited with 0 +++ [pid 21095] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21095, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21097 ./strace-static-x86_64: Process 21097 attached [pid 21097] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21097] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21097] setpgid(0, 0) = 0 [pid 21097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21097] write(3, "1000", 4) = 4 [pid 21097] close(3) = 0 [pid 21097] write(1, "executing program\n", 18executing program ) = 18 [pid 21097] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21097] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21097] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21097] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21097] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21097] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21097] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21098 attached => {parent_tid=[21098]}, 88) = 21098 [pid 21097] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21097] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21097] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21098] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21098] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21098] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21098] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21097] <... futex resumed>) = 0 [pid 21098] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21097] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21098] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21097] <... futex resumed>) = 0 [pid 21098] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21097] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21098] <... futex resumed>) = 0 [pid 21097] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21098] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21097] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21098] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21097] <... futex resumed>) = 0 [pid 21098] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21097] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21098] <... futex resumed>) = 0 [pid 21097] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21098] write(-1, "0x0000000000000001", 18 [pid 21097] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21098] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21097] <... futex resumed>) = 0 [pid 21098] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21097] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21098] <... futex resumed>) = 0 [pid 21097] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21098] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21097] exit_group(0 [pid 21098] <... futex resumed>) = ? [pid 21097] <... exit_group resumed>) = ? [pid 21098] +++ exited with 0 +++ [pid 21097] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21097, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21099 attached , child_tidptr=0x55557e841690) = 21099 [pid 21099] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21099] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21099] setpgid(0, 0) = 0 [pid 21099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21099] write(3, "1000", 4) = 4 [pid 21099] close(3) = 0 [pid 21099] write(1, "executing program\n", 18executing program ) = 18 [pid 21099] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21099] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21099] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21099] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21099] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21099] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21099] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21100 attached => {parent_tid=[21100]}, 88) = 21100 [pid 21099] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21099] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21099] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21100] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21100] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21100] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21100] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21099] <... futex resumed>) = 0 [pid 21100] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21099] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21100] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21099] <... futex resumed>) = 0 [pid 21100] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21099] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21100] <... futex resumed>) = 0 [pid 21099] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21100] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21099] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21100] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21099] <... futex resumed>) = 0 [pid 21100] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21099] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21100] <... futex resumed>) = 0 [pid 21099] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21100] write(-1, "0x0000000000000001", 18 [pid 21099] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21100] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21099] <... futex resumed>) = 0 [pid 21100] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21099] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21100] <... futex resumed>) = 0 [pid 21099] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21100] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21099] exit_group(0 [pid 21100] <... futex resumed>) = ? [pid 21099] <... exit_group resumed>) = ? [pid 21100] +++ exited with 0 +++ [pid 21099] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21099, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21101 attached , child_tidptr=0x55557e841690) = 21101 [pid 21101] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21101] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21101] setpgid(0, 0) = 0 [pid 21101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21101] write(3, "1000", 4) = 4 [pid 21101] close(3executing program ) = 0 [pid 21101] write(1, "executing program\n", 18) = 18 [pid 21101] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21101] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21101] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21101] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21101] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21101] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21101] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21102]}, 88) = 21102 ./strace-static-x86_64: Process 21102 attached [pid 21102] set_robust_list(0x7f5486a549a0, 24 [pid 21101] rt_sigprocmask(SIG_SETMASK, [], [pid 21102] <... set_robust_list resumed>) = 0 [pid 21101] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21102] rt_sigprocmask(SIG_SETMASK, [], [pid 21101] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21102] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21101] <... futex resumed>) = 0 [pid 21102] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21101] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21102] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21102] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21101] <... futex resumed>) = 0 [pid 21102] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21101] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21102] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21101] <... futex resumed>) = 0 [pid 21102] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21101] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21102] <... futex resumed>) = 0 [pid 21101] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21102] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21101] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21102] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21101] <... futex resumed>) = 0 [pid 21102] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21101] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21102] <... futex resumed>) = 0 [pid 21101] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21102] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 21101] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21102] write(-1, "0x0000000000000001", 18 [pid 21101] <... futex resumed>) = 0 [pid 21102] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21101] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21102] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21101] <... futex resumed>) = 0 [pid 21102] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21101] exit_group(0 [pid 21102] <... futex resumed>) = ? [pid 21101] <... exit_group resumed>) = ? [pid 21102] +++ exited with 0 +++ [pid 21101] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21101, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21103 ./strace-static-x86_64: Process 21103 attached [pid 21103] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21103] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21103] setpgid(0, 0) = 0 [pid 21103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21103] write(3, "1000", 4) = 4 [pid 21103] close(3) = 0 executing program [pid 21103] write(1, "executing program\n", 18) = 18 [pid 21103] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21103] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21103] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21103] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21103] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21103] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21103] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21104]}, 88) = 21104 [pid 21103] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21103] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21103] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21104 attached [pid 21104] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21104] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21104] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21104] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21103] <... futex resumed>) = 0 [pid 21103] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21103] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21104] <... futex resumed>) = 1 [pid 21104] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21104] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21103] <... futex resumed>) = 0 [pid 21103] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21103] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21104] <... futex resumed>) = 1 [pid 21104] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21104] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21103] <... futex resumed>) = 0 [pid 21103] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21103] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21104] <... futex resumed>) = 1 [pid 21104] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21104] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21103] <... futex resumed>) = 0 [pid 21103] exit_group(0) = ? [pid 21104] <... futex resumed>) = ? [pid 21104] +++ exited with 0 +++ [pid 21103] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21103, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21105 attached , child_tidptr=0x55557e841690) = 21105 [pid 21105] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21105] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21105] setpgid(0, 0) = 0 [pid 21105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21105] write(3, "1000", 4) = 4 executing program [pid 21105] close(3) = 0 [pid 21105] write(1, "executing program\n", 18) = 18 [pid 21105] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21105] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21105] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21105] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21105] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21105] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21105] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21106]}, 88) = 21106 ./strace-static-x86_64: Process 21106 attached [pid 21105] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21105] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21105] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21106] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21106] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21106] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21106] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21105] <... futex resumed>) = 0 [pid 21105] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21105] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21106] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21106] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21105] <... futex resumed>) = 0 [pid 21105] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21105] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21106] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21106] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21105] <... futex resumed>) = 0 [pid 21105] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21105] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21106] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21106] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21105] <... futex resumed>) = 0 [pid 21105] exit_group(0) = ? [pid 21106] +++ exited with 0 +++ [pid 21105] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21105, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21107 attached [pid 21107] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21107] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 21107 [pid 21107] <... prctl resumed>) = 0 [pid 21107] setpgid(0, 0) = 0 [pid 21107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21107] write(3, "1000", 4) = 4 [pid 21107] close(3) = 0 executing program [pid 21107] write(1, "executing program\n", 18) = 18 [pid 21107] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21107] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21107] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21107] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21107] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21107] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21107] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21108 attached [pid 21108] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21108] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21108] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21107] <... clone3 resumed> => {parent_tid=[21108]}, 88) = 21108 [pid 21107] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21107] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21108] <... futex resumed>) = 0 [pid 21108] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21107] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21108] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21108] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21107] <... futex resumed>) = 0 [pid 21107] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21108] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21107] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21108] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21108] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21107] <... futex resumed>) = 0 [pid 21107] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21107] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21108] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21108] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21107] <... futex resumed>) = 0 [pid 21107] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21107] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21108] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21108] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21107] <... futex resumed>) = 0 [pid 21107] exit_group(0) = ? [pid 21108] +++ exited with 0 +++ [pid 21107] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21107, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21109 attached , child_tidptr=0x55557e841690) = 21109 [pid 21109] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21109] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21109] setpgid(0, 0) = 0 [pid 21109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21109] write(3, "1000", 4) = 4 [pid 21109] close(3) = 0 [pid 21109] write(1, "executing program\n", 18executing program ) = 18 [pid 21109] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21109] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21109] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21109] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21109] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21109] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21109] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21110 attached => {parent_tid=[21110]}, 88) = 21110 [pid 21109] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21109] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21109] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21110] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21110] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21110] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21110] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21109] <... futex resumed>) = 0 [pid 21109] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21109] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21110] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21110] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21109] <... futex resumed>) = 0 [pid 21109] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21109] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21110] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21110] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21109] <... futex resumed>) = 0 [pid 21109] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21109] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21110] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21110] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21109] <... futex resumed>) = 0 [pid 21109] exit_group(0) = ? [pid 21110] +++ exited with 0 +++ [pid 21109] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21109, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21111 ./strace-static-x86_64: Process 21111 attached [pid 21111] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21111] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21111] setpgid(0, 0) = 0 [pid 21111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21111] write(3, "1000", 4) = 4 [pid 21111] close(3executing program ) = 0 [pid 21111] write(1, "executing program\n", 18) = 18 [pid 21111] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21111] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21111] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21111] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21111] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21111] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21111] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21112]}, 88) = 21112 ./strace-static-x86_64: Process 21112 attached [pid 21111] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21111] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21111] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21112] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21112] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21112] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21112] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21111] <... futex resumed>) = 0 [pid 21112] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21111] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21112] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21111] <... futex resumed>) = 0 [pid 21112] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21111] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21112] <... futex resumed>) = 0 [pid 21111] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21112] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21111] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21112] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21111] <... futex resumed>) = 0 [pid 21112] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21111] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21112] <... futex resumed>) = 0 [pid 21111] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21112] write(-1, "0x0000000000000001", 18 [pid 21111] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21112] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21111] <... futex resumed>) = 0 [pid 21112] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21111] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21112] <... futex resumed>) = 0 [pid 21111] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21112] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21111] exit_group(0 [pid 21112] <... futex resumed>) = ? [pid 21111] <... exit_group resumed>) = ? [pid 21112] +++ exited with 0 +++ [pid 21111] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21111, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21113 attached [pid 21113] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21113] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21113] setpgid(0, 0) = 0 [pid 21113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21113] write(3, "1000", 4) = 4 [pid 21113] close(3) = 0 executing program [pid 21113] write(1, "executing program\n", 18) = 18 [pid 21113] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21113] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21113] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21113] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21113] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21113] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21113] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21114]}, 88) = 21114 [pid 21113] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21113] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21113] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21114 attached [pid 21114] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21114] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21114] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21114] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21113] <... futex resumed>) = 0 [pid 21113] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21113] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21114] <... futex resumed>) = 1 [pid 21114] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21114] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21113] <... futex resumed>) = 0 [pid 21113] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21113] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21114] <... futex resumed>) = 1 [pid 21114] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21114] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21113] <... futex resumed>) = 0 [pid 21113] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21113] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21114] <... futex resumed>) = 1 [pid 21114] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21114] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21113] <... futex resumed>) = 0 [pid 21113] exit_group(0) = ? [pid 21114] <... futex resumed>) = ? [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 21113 [pid 21114] +++ exited with 0 +++ [pid 21113] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21113, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21115 attached , child_tidptr=0x55557e841690) = 21115 [pid 21115] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21115] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21115] setpgid(0, 0) = 0 [pid 21115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21115] write(3, "1000", 4) = 4 [pid 21115] close(3) = 0 executing program [pid 21115] write(1, "executing program\n", 18) = 18 [pid 21115] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21115] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21115] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21115] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21115] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21115] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21115] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21116]}, 88) = 21116 ./strace-static-x86_64: Process 21116 attached [pid 21116] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21116] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21116] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21115] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21115] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21116] <... futex resumed>) = 0 [pid 21116] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21115] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21116] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21116] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21116] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21115] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21115] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21116] <... futex resumed>) = 0 [pid 21116] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21115] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21116] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21115] <... futex resumed>) = 0 [pid 21115] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21115] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21116] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21116] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21115] <... futex resumed>) = 0 [pid 21115] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21116] write(-1, "0x0000000000000001", 18 [pid 21115] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21116] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21116] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21115] <... futex resumed>) = 0 [pid 21115] exit_group(0) = ? [pid 21116] +++ exited with 0 +++ [pid 21115] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21115, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21117 ./strace-static-x86_64: Process 21117 attached [pid 21117] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21117] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21117] setpgid(0, 0) = 0 [pid 21117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21117] write(3, "1000", 4) = 4 [pid 21117] close(3) = 0 [pid 21117] write(1, "executing program\n", 18executing program ) = 18 [pid 21117] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21117] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21117] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21117] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21117] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21117] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21117] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21118]}, 88) = 21118 ./strace-static-x86_64: Process 21118 attached [pid 21117] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21117] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21117] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21118] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21118] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21118] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21118] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21117] <... futex resumed>) = 0 [pid 21117] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21117] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21118] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21118] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21117] <... futex resumed>) = 0 [pid 21117] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21117] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21118] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21118] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21117] <... futex resumed>) = 0 [pid 21117] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21117] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21118] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21118] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21117] <... futex resumed>) = 0 [pid 21117] exit_group(0) = ? [pid 21118] +++ exited with 0 +++ [pid 21117] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21117, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21119 ./strace-static-x86_64: Process 21119 attached [pid 21119] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21119] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21119] setpgid(0, 0) = 0 [pid 21119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21119] write(3, "1000", 4) = 4 [pid 21119] close(3) = 0 [pid 21119] write(1, "executing program\n", 18executing program ) = 18 [pid 21119] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21119] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21119] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21119] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21119] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21119] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21119] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21120 attached => {parent_tid=[21120]}, 88) = 21120 [pid 21119] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21119] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21119] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21120] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21120] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21120] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21120] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21119] <... futex resumed>) = 0 [pid 21119] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21119] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21120] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21120] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21119] <... futex resumed>) = 0 [pid 21119] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21119] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21120] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21120] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21119] <... futex resumed>) = 0 [pid 21120] write(-1, "0x0000000000000001", 18 [pid 21119] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21120] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21119] <... futex resumed>) = 0 [pid 21120] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21119] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21120] <... futex resumed>) = 0 [pid 21119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21120] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21119] exit_group(0 [pid 21120] <... futex resumed>) = ? [pid 21119] <... exit_group resumed>) = ? [pid 21120] +++ exited with 0 +++ [pid 21119] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21119, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21121 ./strace-static-x86_64: Process 21121 attached [pid 21121] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21121] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21121] setpgid(0, 0) = 0 [pid 21121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21121] write(3, "1000", 4) = 4 [pid 21121] close(3) = 0 executing program [pid 21121] write(1, "executing program\n", 18) = 18 [pid 21121] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21121] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21121] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21121] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21121] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21121] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21121] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21122 attached => {parent_tid=[21122]}, 88) = 21122 [pid 21121] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21121] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21121] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21122] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21122] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21122] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21122] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21121] <... futex resumed>) = 0 [pid 21121] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21121] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21122] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21122] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21121] <... futex resumed>) = 0 [pid 21121] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21121] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21122] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21122] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21121] <... futex resumed>) = 0 [pid 21121] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21121] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21122] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21122] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21121] <... futex resumed>) = 0 [pid 21121] exit_group(0) = ? [pid 21122] +++ exited with 0 +++ [pid 21121] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21121, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21123 attached [pid 21123] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21123] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 21123 [pid 21123] <... prctl resumed>) = 0 [pid 21123] setpgid(0, 0) = 0 [pid 21123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21123] write(3, "1000", 4) = 4 executing program [pid 21123] close(3) = 0 [pid 21123] write(1, "executing program\n", 18) = 18 [pid 21123] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21123] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21123] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21123] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21123] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21123] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21123] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21124 attached => {parent_tid=[21124]}, 88) = 21124 [pid 21123] rt_sigprocmask(SIG_SETMASK, [], [pid 21124] set_robust_list(0x7f5486a549a0, 24 [pid 21123] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21124] <... set_robust_list resumed>) = 0 [pid 21124] rt_sigprocmask(SIG_SETMASK, [], [pid 21123] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21124] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21123] <... futex resumed>) = 0 [pid 21124] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21123] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21124] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21124] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21123] <... futex resumed>) = 0 [pid 21123] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21123] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21124] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21124] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21123] <... futex resumed>) = 0 [pid 21123] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21123] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21124] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21124] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21123] <... futex resumed>) = 0 [pid 21123] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21123] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21124] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21124] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21123] <... futex resumed>) = 0 [pid 21123] exit_group(0) = ? [pid 21124] +++ exited with 0 +++ [pid 21123] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21123, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21125 ./strace-static-x86_64: Process 21125 attached [pid 21125] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21125] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21125] setpgid(0, 0) = 0 [pid 21125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21125] write(3, "1000", 4) = 4 [pid 21125] close(3) = 0 [pid 21125] write(1, "executing program\n", 18executing program ) = 18 [pid 21125] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21125] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21125] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21125] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21125] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21125] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21125] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21126]}, 88) = 21126 ./strace-static-x86_64: Process 21126 attached [pid 21126] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21126] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21126] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21125] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21125] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21126] <... futex resumed>) = 0 [pid 21126] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21125] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21126] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21126] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21126] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21125] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21125] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21125] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21126] <... futex resumed>) = 0 [pid 21126] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21126] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21125] <... futex resumed>) = 0 [pid 21125] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21125] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21126] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21126] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21125] <... futex resumed>) = 0 [pid 21125] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21125] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21126] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21126] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21125] <... futex resumed>) = 0 [pid 21125] exit_group(0) = ? [pid 21126] +++ exited with 0 +++ [pid 21125] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21125, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21127 ./strace-static-x86_64: Process 21127 attached [pid 21127] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21127] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21127] setpgid(0, 0) = 0 [pid 21127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21127] write(3, "1000", 4executing program ) = 4 [pid 21127] close(3) = 0 [pid 21127] write(1, "executing program\n", 18) = 18 [pid 21127] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21127] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21127] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21127] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21127] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21127] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21127] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21128]}, 88) = 21128 [pid 21127] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21127] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21127] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21128 attached [pid 21128] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21128] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21128] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21128] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21127] <... futex resumed>) = 0 [pid 21127] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21127] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21128] <... futex resumed>) = 1 [pid 21128] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21128] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21127] <... futex resumed>) = 0 [pid 21127] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21127] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21128] <... futex resumed>) = 1 [pid 21128] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21128] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21127] <... futex resumed>) = 0 [pid 21127] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21127] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21128] <... futex resumed>) = 1 [pid 21128] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21128] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21127] <... futex resumed>) = 0 [pid 21127] exit_group(0) = ? [pid 21128] <... futex resumed>) = ? [pid 21128] +++ exited with 0 +++ [pid 21127] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21127, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21129 ./strace-static-x86_64: Process 21129 attached [pid 21129] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21129] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21129] setpgid(0, 0) = 0 [pid 21129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21129] write(3, "1000", 4) = 4 [pid 21129] close(3) = 0 [pid 21129] write(1, "executing program\n", 18executing program ) = 18 [pid 21129] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21129] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21129] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21129] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21129] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21129] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21129] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21130 attached => {parent_tid=[21130]}, 88) = 21130 [pid 21129] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21129] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21129] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21130] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21130] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21130] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21130] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21129] <... futex resumed>) = 0 [pid 21129] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21129] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21130] <... futex resumed>) = 1 [pid 21130] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21130] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21129] <... futex resumed>) = 0 [pid 21129] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21129] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21130] <... futex resumed>) = 1 [pid 21130] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21130] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21129] <... futex resumed>) = 0 [pid 21129] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21129] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21130] <... futex resumed>) = 1 [pid 21130] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21130] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21129] <... futex resumed>) = 0 [pid 21129] exit_group(0) = ? [pid 21130] <... futex resumed>) = ? [pid 21130] +++ exited with 0 +++ [pid 21129] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21129, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21131 attached [pid 21131] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21131] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21131] setpgid(0, 0) = 0 [pid 21131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21131] write(3, "1000", 4) = 4 [pid 21131] close(3) = 0 [pid 21131] write(1, "executing program\n", 18executing program ) = 18 [pid 21131] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21131] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21131] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21131] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21131] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 21131 [pid 21131] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21131] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21132 attached => {parent_tid=[21132]}, 88) = 21132 [pid 21131] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21131] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21131] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21132] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21132] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21132] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21132] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21131] <... futex resumed>) = 0 [pid 21131] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21131] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21132] <... futex resumed>) = 1 [pid 21132] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21132] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21131] <... futex resumed>) = 0 [pid 21131] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21131] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21132] <... futex resumed>) = 1 [pid 21132] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21132] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21131] <... futex resumed>) = 0 [pid 21131] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21131] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21132] <... futex resumed>) = 1 [pid 21132] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21132] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21131] <... futex resumed>) = 0 [pid 21131] exit_group(0) = ? [pid 21132] <... futex resumed>) = ? [pid 21132] +++ exited with 0 +++ [pid 21131] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21131, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21133 attached , child_tidptr=0x55557e841690) = 21133 [pid 21133] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21133] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21133] setpgid(0, 0) = 0 [pid 21133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21133] write(3, "1000", 4) = 4 [pid 21133] close(3) = 0 executing program [pid 21133] write(1, "executing program\n", 18) = 18 [pid 21133] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21133] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21133] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21133] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21133] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21133] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21133] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21134 attached => {parent_tid=[21134]}, 88) = 21134 [pid 21133] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21133] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21133] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21134] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21134] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21134] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21134] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21133] <... futex resumed>) = 0 [pid 21133] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21133] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21134] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21134] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21133] <... futex resumed>) = 0 [pid 21133] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21133] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21134] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21134] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21133] <... futex resumed>) = 0 [pid 21133] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21133] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21134] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21134] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21133] <... futex resumed>) = 0 [pid 21134] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21133] exit_group(0 [pid 21134] <... futex resumed>) = ? [pid 21133] <... exit_group resumed>) = ? [pid 21134] +++ exited with 0 +++ [pid 21133] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21133, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21135 ./strace-static-x86_64: Process 21135 attached [pid 21135] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21135] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21135] setpgid(0, 0) = 0 [pid 21135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21135] write(3, "1000", 4) = 4 [pid 21135] close(3) = 0 [pid 21135] write(1, "executing program\n", 18executing program ) = 18 [pid 21135] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21135] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21135] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21135] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21135] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21135] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21135] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21136]}, 88) = 21136 [pid 21135] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21135] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21135] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21136 attached [pid 21136] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21136] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21136] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21136] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21135] <... futex resumed>) = 0 [pid 21136] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21135] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21136] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21135] <... futex resumed>) = 0 [pid 21136] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21135] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21136] <... futex resumed>) = 0 [pid 21135] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21136] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21135] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21136] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21135] <... futex resumed>) = 0 [pid 21136] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21135] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21136] <... futex resumed>) = 0 [pid 21135] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21136] write(-1, "0x0000000000000001", 18 [pid 21135] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21135] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21136] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21136] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21135] <... futex resumed>) = 0 [pid 21136] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21135] exit_group(0 [pid 21136] <... futex resumed>) = ? [pid 21135] <... exit_group resumed>) = ? [pid 21136] +++ exited with 0 +++ [pid 21135] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21135, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21137 ./strace-static-x86_64: Process 21137 attached [pid 21137] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21137] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21137] setpgid(0, 0) = 0 [pid 21137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21137] write(3, "1000", 4) = 4 [pid 21137] close(3) = 0 executing program [pid 21137] write(1, "executing program\n", 18) = 18 [pid 21137] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21137] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21137] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21137] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21137] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21137] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21137] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21138 attached [pid 21138] set_robust_list(0x7f5486a549a0, 24 [pid 21137] <... clone3 resumed> => {parent_tid=[21138]}, 88) = 21138 [pid 21137] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21137] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21137] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21138] <... set_robust_list resumed>) = 0 [pid 21138] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21138] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21138] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21137] <... futex resumed>) = 0 [pid 21138] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21137] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21138] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21137] <... futex resumed>) = 0 [pid 21138] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21137] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21138] <... futex resumed>) = 0 [pid 21137] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21138] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21137] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21138] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21137] <... futex resumed>) = 0 [pid 21138] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21137] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21138] <... futex resumed>) = 0 [pid 21137] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21138] write(-1, "0x0000000000000001", 18 [pid 21137] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21137] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21138] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21138] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21137] <... futex resumed>) = 0 [pid 21138] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21137] exit_group(0 [pid 21138] <... futex resumed>) = ? [pid 21137] <... exit_group resumed>) = ? [pid 21138] +++ exited with 0 +++ [pid 21137] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21137, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21139 attached , child_tidptr=0x55557e841690) = 21139 [pid 21139] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21139] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21139] setpgid(0, 0) = 0 [pid 21139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21139] write(3, "1000", 4) = 4 [pid 21139] close(3executing program ) = 0 [pid 21139] write(1, "executing program\n", 18) = 18 [pid 21139] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21139] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21139] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21139] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21139] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21139] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21139] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21140]}, 88) = 21140 [pid 21139] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21139] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21139] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21140 attached [pid 21140] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21140] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21140] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21140] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21139] <... futex resumed>) = 0 [pid 21139] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21139] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21140] <... futex resumed>) = 1 [pid 21140] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21140] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21139] <... futex resumed>) = 0 [pid 21139] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21139] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21140] <... futex resumed>) = 1 [pid 21140] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21140] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21139] <... futex resumed>) = 0 [pid 21139] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21139] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21140] <... futex resumed>) = 1 [pid 21140] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21140] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21139] <... futex resumed>) = 0 [pid 21139] exit_group(0) = ? [pid 21140] <... futex resumed>) = ? [pid 21140] +++ exited with 0 +++ [pid 21139] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21139, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21141 attached , child_tidptr=0x55557e841690) = 21141 [pid 21141] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21141] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21141] setpgid(0, 0) = 0 [pid 21141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21141] write(3, "1000", 4) = 4 [pid 21141] close(3) = 0 executing program [pid 21141] write(1, "executing program\n", 18) = 18 [pid 21141] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21141] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21141] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21141] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21141] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21141] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21141] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21142 attached => {parent_tid=[21142]}, 88) = 21142 [pid 21142] set_robust_list(0x7f5486a549a0, 24 [pid 21141] rt_sigprocmask(SIG_SETMASK, [], [pid 21142] <... set_robust_list resumed>) = 0 [pid 21141] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21142] rt_sigprocmask(SIG_SETMASK, [], [pid 21141] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21142] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21141] <... futex resumed>) = 0 [pid 21142] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21141] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21142] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21142] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21141] <... futex resumed>) = 0 [pid 21141] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21141] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21142] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21142] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21141] <... futex resumed>) = 0 [pid 21141] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21141] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21142] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21142] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21141] <... futex resumed>) = 0 [pid 21141] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21141] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21142] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21142] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21141] <... futex resumed>) = 0 [pid 21141] exit_group(0) = ? [pid 21142] +++ exited with 0 +++ [pid 21141] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21141, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21143 ./strace-static-x86_64: Process 21143 attached [pid 21143] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21143] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21143] setpgid(0, 0) = 0 [pid 21143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21143] write(3, "1000", 4executing program ) = 4 [pid 21143] close(3) = 0 [pid 21143] write(1, "executing program\n", 18) = 18 [pid 21143] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21143] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21143] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21143] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21143] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21143] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21143] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21144 attached => {parent_tid=[21144]}, 88) = 21144 [pid 21143] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21143] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21143] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21144] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21144] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21144] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21144] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21143] <... futex resumed>) = 0 [pid 21143] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21143] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21144] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21144] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21143] <... futex resumed>) = 0 [pid 21143] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21143] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21144] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21144] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21143] <... futex resumed>) = 0 [pid 21143] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21143] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21144] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21144] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21143] <... futex resumed>) = 0 [pid 21143] exit_group(0) = ? [pid 21144] +++ exited with 0 +++ [pid 21143] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21143, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21145 ./strace-static-x86_64: Process 21145 attached [pid 21145] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21145] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21145] setpgid(0, 0) = 0 [pid 21145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21145] write(3, "1000", 4) = 4 [pid 21145] close(3) = 0 executing program [pid 21145] write(1, "executing program\n", 18) = 18 [pid 21145] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21145] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21145] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21145] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21145] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21145] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21145] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21146]}, 88) = 21146 [pid 21145] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21145] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21145] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21146 attached [pid 21146] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21146] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21146] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21146] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21145] <... futex resumed>) = 0 [pid 21145] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21145] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21146] <... futex resumed>) = 1 [pid 21146] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21146] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21145] <... futex resumed>) = 0 [pid 21145] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21145] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21146] <... futex resumed>) = 1 [pid 21146] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21146] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21145] <... futex resumed>) = 0 [pid 21145] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21145] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21146] <... futex resumed>) = 1 [pid 21146] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21146] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21145] <... futex resumed>) = 0 [pid 21145] exit_group(0) = ? [pid 21146] <... futex resumed>) = ? [pid 21146] +++ exited with 0 +++ [pid 21145] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21145, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21147 attached , child_tidptr=0x55557e841690) = 21147 [pid 21147] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21147] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21147] setpgid(0, 0) = 0 [pid 21147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21147] write(3, "1000", 4) = 4 executing program [pid 21147] close(3) = 0 [pid 21147] write(1, "executing program\n", 18) = 18 [pid 21147] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21147] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21147] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21147] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21147] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21147] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21147] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21148]}, 88) = 21148 ./strace-static-x86_64: Process 21148 attached [pid 21147] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21147] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21147] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21148] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21148] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21148] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21148] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21147] <... futex resumed>) = 0 [pid 21147] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21147] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21148] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21148] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21147] <... futex resumed>) = 0 [pid 21147] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21147] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21148] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21148] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21147] <... futex resumed>) = 0 [pid 21147] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21147] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21148] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21148] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21147] <... futex resumed>) = 0 [pid 21147] exit_group(0) = ? [pid 21148] +++ exited with 0 +++ [pid 21147] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21147, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21149 ./strace-static-x86_64: Process 21149 attached [pid 21149] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21149] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21149] setpgid(0, 0) = 0 [pid 21149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21149] write(3, "1000", 4) = 4 [pid 21149] close(3) = 0 [pid 21149] write(1, "executing program\n", 18executing program ) = 18 [pid 21149] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21149] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21149] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21149] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21149] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21149] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21149] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21150 attached => {parent_tid=[21150]}, 88) = 21150 [pid 21149] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21149] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21149] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21150] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21150] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21150] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21150] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21149] <... futex resumed>) = 0 [pid 21149] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21149] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21150] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21150] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21149] <... futex resumed>) = 0 [pid 21149] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21149] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21150] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21150] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21149] <... futex resumed>) = 0 [pid 21149] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21149] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21150] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21150] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21149] <... futex resumed>) = 0 [pid 21149] exit_group(0) = ? [pid 21150] +++ exited with 0 +++ [pid 21149] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21149, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21151 attached , child_tidptr=0x55557e841690) = 21151 [pid 21151] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21151] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21151] setpgid(0, 0) = 0 [pid 21151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21151] write(3, "1000", 4) = 4 [pid 21151] close(3) = 0 [pid 21151] write(1, "executing program\n", 18executing program ) = 18 [pid 21151] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21151] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21151] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21151] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21151] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21151] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21151] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21152]}, 88) = 21152 ./strace-static-x86_64: Process 21152 attached [pid 21151] rt_sigprocmask(SIG_SETMASK, [], [pid 21152] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21152] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21152] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21151] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21151] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21152] <... futex resumed>) = 0 [pid 21152] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21151] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21152] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21152] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21151] <... futex resumed>) = 0 [pid 21151] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21151] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21152] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21152] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21151] <... futex resumed>) = 0 [pid 21151] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21151] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21152] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21152] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21151] <... futex resumed>) = 0 [pid 21151] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21151] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21152] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21152] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21151] <... futex resumed>) = 0 [pid 21151] exit_group(0) = ? [pid 21152] +++ exited with 0 +++ [pid 21151] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21151, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21153 ./strace-static-x86_64: Process 21153 attached [pid 21153] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21153] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21153] setpgid(0, 0) = 0 [pid 21153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21153] write(3, "1000", 4) = 4 [pid 21153] close(3) = 0 executing program [pid 21153] write(1, "executing program\n", 18) = 18 [pid 21153] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21153] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21153] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21153] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21153] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21153] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21153] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21154]}, 88) = 21154 [pid 21153] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21153] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21153] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21154 attached [pid 21154] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21154] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21154] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21154] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21153] <... futex resumed>) = 0 [pid 21154] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21153] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21154] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21153] <... futex resumed>) = 0 [pid 21154] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21153] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21154] <... futex resumed>) = 0 [pid 21153] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21154] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21153] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21154] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21153] <... futex resumed>) = 0 [pid 21154] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21153] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21154] <... futex resumed>) = 0 [pid 21153] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21154] write(-1, "0x0000000000000001", 18 [pid 21153] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21154] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21153] <... futex resumed>) = 0 [pid 21154] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21153] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21154] <... futex resumed>) = 0 [pid 21153] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21154] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21153] exit_group(0 [pid 21154] <... futex resumed>) = ? [pid 21153] <... exit_group resumed>) = ? [pid 21154] +++ exited with 0 +++ [pid 21153] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21153, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21155 ./strace-static-x86_64: Process 21155 attached [pid 21155] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21155] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21155] setpgid(0, 0) = 0 [pid 21155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21155] write(3, "1000", 4) = 4 [pid 21155] close(3) = 0 [pid 21155] write(1, "executing program\n", 18executing program ) = 18 [pid 21155] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21155] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21155] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21155] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21155] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21155] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21155] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21156]}, 88) = 21156 [pid 21155] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21155] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21155] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21156 attached [pid 21156] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21156] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21156] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21156] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21155] <... futex resumed>) = 0 [pid 21155] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21155] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21156] <... futex resumed>) = 1 [pid 21156] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21156] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21155] <... futex resumed>) = 0 [pid 21155] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21155] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21156] <... futex resumed>) = 1 [pid 21156] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21156] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21155] <... futex resumed>) = 0 [pid 21155] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21155] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21156] <... futex resumed>) = 1 [pid 21156] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21156] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21155] <... futex resumed>) = 0 [pid 21155] exit_group(0) = ? [pid 21156] <... futex resumed>) = ? [pid 21156] +++ exited with 0 +++ [pid 21155] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21155, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21157 attached , child_tidptr=0x55557e841690) = 21157 [pid 21157] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21157] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21157] setpgid(0, 0) = 0 [pid 21157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21157] write(3, "1000", 4) = 4 [pid 21157] close(3) = 0 executing program [pid 21157] write(1, "executing program\n", 18) = 18 [pid 21157] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21157] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21157] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21157] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21157] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21157] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21157] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21158 attached => {parent_tid=[21158]}, 88) = 21158 [pid 21157] rt_sigprocmask(SIG_SETMASK, [], [pid 21158] set_robust_list(0x7f5486a549a0, 24 [pid 21157] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21158] <... set_robust_list resumed>) = 0 [pid 21157] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21158] rt_sigprocmask(SIG_SETMASK, [], [pid 21157] <... futex resumed>) = 0 [pid 21158] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21158] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21157] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21158] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21158] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21158] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21157] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21157] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21158] <... futex resumed>) = 0 [pid 21158] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21157] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21158] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21157] <... futex resumed>) = 0 [pid 21157] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21157] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21158] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21158] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21157] <... futex resumed>) = 0 [pid 21157] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21157] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21158] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21158] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21157] <... futex resumed>) = 0 [pid 21157] exit_group(0) = ? [pid 21158] +++ exited with 0 +++ [pid 21157] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21157, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21159 attached [pid 21159] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21159] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 21159 [pid 21159] setpgid(0, 0) = 0 [pid 21159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21159] write(3, "1000", 4) = 4 [pid 21159] close(3executing program ) = 0 [pid 21159] write(1, "executing program\n", 18) = 18 [pid 21159] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21159] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21159] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21159] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21159] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21159] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21159] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21160 attached => {parent_tid=[21160]}, 88) = 21160 [pid 21159] rt_sigprocmask(SIG_SETMASK, [], [pid 21160] set_robust_list(0x7f5486a549a0, 24 [pid 21159] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21160] <... set_robust_list resumed>) = 0 [pid 21160] rt_sigprocmask(SIG_SETMASK, [], [pid 21159] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21160] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21159] <... futex resumed>) = 0 [pid 21160] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21159] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21160] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21160] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21159] <... futex resumed>) = 0 [pid 21159] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21159] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21160] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21160] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21159] <... futex resumed>) = 0 [pid 21159] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21159] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21160] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21160] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21159] <... futex resumed>) = 0 [pid 21159] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21159] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21160] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21160] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21159] <... futex resumed>) = 0 [pid 21159] exit_group(0) = ? [pid 21160] +++ exited with 0 +++ [pid 21159] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21159, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21161 attached [pid 21161] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21161] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 21161 [pid 21161] <... prctl resumed>) = 0 [pid 21161] setpgid(0, 0) = 0 [pid 21161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21161] write(3, "1000", 4) = 4 [pid 21161] close(3) = 0 executing program [pid 21161] write(1, "executing program\n", 18) = 18 [pid 21161] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21161] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21161] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21161] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21161] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21161] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21161] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21162]}, 88) = 21162 [pid 21161] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21161] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21161] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21162 attached [pid 21162] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21162] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21162] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21162] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21161] <... futex resumed>) = 0 [pid 21161] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21161] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21162] <... futex resumed>) = 1 [pid 21162] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21162] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21161] <... futex resumed>) = 0 [pid 21161] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21161] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21162] <... futex resumed>) = 1 [pid 21162] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21162] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21161] <... futex resumed>) = 0 [pid 21161] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21161] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21162] <... futex resumed>) = 1 [pid 21162] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21162] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21161] <... futex resumed>) = 0 [pid 21161] exit_group(0) = ? [pid 21162] <... futex resumed>) = ? [pid 21162] +++ exited with 0 +++ [pid 21161] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21161, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21163 ./strace-static-x86_64: Process 21163 attached [pid 21163] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21163] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21163] setpgid(0, 0) = 0 [pid 21163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21163] write(3, "1000", 4) = 4 [pid 21163] close(3) = 0 [pid 21163] write(1, "executing program\n", 18executing program ) = 18 [pid 21163] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21163] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21163] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21163] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21163] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21163] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21163] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21164]}, 88) = 21164 [pid 21163] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21163] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21163] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21164 attached [pid 21164] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21164] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21164] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21164] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21163] <... futex resumed>) = 0 [pid 21163] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21163] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21164] <... futex resumed>) = 1 [pid 21164] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21164] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21163] <... futex resumed>) = 0 [pid 21163] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21163] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21164] <... futex resumed>) = 1 [pid 21164] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21164] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21163] <... futex resumed>) = 0 [pid 21163] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21163] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21164] <... futex resumed>) = 1 [pid 21164] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21164] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21163] <... futex resumed>) = 0 [pid 21163] exit_group(0) = ? [pid 21164] <... futex resumed>) = ? [pid 21164] +++ exited with 0 +++ [pid 21163] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21163, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21165 attached , child_tidptr=0x55557e841690) = 21165 [pid 21165] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21165] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21165] setpgid(0, 0) = 0 [pid 21165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21165] write(3, "1000", 4) = 4 executing program [pid 21165] close(3) = 0 [pid 21165] write(1, "executing program\n", 18) = 18 [pid 21165] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21165] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21165] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21165] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21165] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21165] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21165] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21166 attached => {parent_tid=[21166]}, 88) = 21166 [pid 21165] rt_sigprocmask(SIG_SETMASK, [], [pid 21166] set_robust_list(0x7f5486a549a0, 24 [pid 21165] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21166] <... set_robust_list resumed>) = 0 [pid 21165] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21166] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21165] <... futex resumed>) = 0 [pid 21166] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21166] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21166] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21165] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 21165] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21166] <... futex resumed>) = 0 [pid 21166] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21166] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21166] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21165] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 21165] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21166] <... futex resumed>) = 0 [pid 21166] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21165] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21166] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21165] <... futex resumed>) = 0 [pid 21165] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21166] write(-1, "0x0000000000000001", 18 [pid 21165] <... futex resumed>) = 0 [pid 21165] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21166] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21166] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21165] <... futex resumed>) = 0 [pid 21165] exit_group(0) = ? [pid 21166] +++ exited with 0 +++ [pid 21165] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21165, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21167 ./strace-static-x86_64: Process 21167 attached [pid 21167] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21167] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21167] setpgid(0, 0) = 0 [pid 21167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21167] write(3, "1000", 4) = 4 [pid 21167] close(3) = 0 executing program [pid 21167] write(1, "executing program\n", 18) = 18 [pid 21167] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21167] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21167] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21167] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21167] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21167] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21167] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21168 attached => {parent_tid=[21168]}, 88) = 21168 [pid 21167] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21167] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21167] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21168] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21168] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21168] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21168] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21167] <... futex resumed>) = 0 [pid 21167] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21167] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21168] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21168] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21167] <... futex resumed>) = 0 [pid 21167] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21167] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21168] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21168] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21167] <... futex resumed>) = 0 [pid 21167] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21167] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21168] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21168] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21167] <... futex resumed>) = 0 [pid 21167] exit_group(0) = ? [pid 21168] +++ exited with 0 +++ [pid 21167] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21167, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21169 attached , child_tidptr=0x55557e841690) = 21169 [pid 21169] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21169] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21169] setpgid(0, 0) = 0 [pid 21169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21169] write(3, "1000", 4) = 4 [pid 21169] close(3) = 0 executing program [pid 21169] write(1, "executing program\n", 18) = 18 [pid 21169] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21169] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21169] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21169] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21169] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21169] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21169] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21170]}, 88) = 21170 [pid 21169] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21169] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21169] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21170 attached [pid 21170] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21170] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21170] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21170] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21169] <... futex resumed>) = 0 [pid 21169] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21169] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21170] <... futex resumed>) = 1 [pid 21170] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21170] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21169] <... futex resumed>) = 0 [pid 21169] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21169] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21170] <... futex resumed>) = 1 [pid 21170] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21170] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21169] <... futex resumed>) = 0 [pid 21169] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21169] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21170] <... futex resumed>) = 1 [pid 21170] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21170] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21169] <... futex resumed>) = 0 [pid 21169] exit_group(0) = ? [pid 21170] <... futex resumed>) = ? [pid 21170] +++ exited with 0 +++ [pid 21169] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21169, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21171 ./strace-static-x86_64: Process 21171 attached [pid 21171] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21171] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21171] setpgid(0, 0) = 0 [pid 21171] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21171] write(3, "1000", 4) = 4 [pid 21171] close(3executing program ) = 0 [pid 21171] write(1, "executing program\n", 18) = 18 [pid 21171] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21171] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21171] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21171] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21171] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21171] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21171] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21172 attached => {parent_tid=[21172]}, 88) = 21172 [pid 21171] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21171] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21171] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21172] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21172] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21172] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21172] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21171] <... futex resumed>) = 0 [pid 21171] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21171] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21172] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21172] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21171] <... futex resumed>) = 0 [pid 21171] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21171] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21172] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21172] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21171] <... futex resumed>) = 0 [pid 21171] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21171] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21172] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21172] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21171] <... futex resumed>) = 0 [pid 21171] exit_group(0) = ? [pid 21172] +++ exited with 0 +++ [pid 21171] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21171, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21173 ./strace-static-x86_64: Process 21173 attached [pid 21173] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21173] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21173] setpgid(0, 0) = 0 [pid 21173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21173] write(3, "1000", 4) = 4 [pid 21173] close(3) = 0 [pid 21173] write(1, "executing program\n", 18executing program ) = 18 [pid 21173] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21173] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21173] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21173] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21173] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21173] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21173] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21174]}, 88) = 21174 ./strace-static-x86_64: Process 21174 attached [pid 21173] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21173] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21173] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21174] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21174] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21174] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21174] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21173] <... futex resumed>) = 0 [pid 21173] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21173] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21174] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21174] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21173] <... futex resumed>) = 0 [pid 21173] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21173] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21174] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21174] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21173] <... futex resumed>) = 0 [pid 21173] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21173] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21174] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21174] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21173] <... futex resumed>) = 0 [pid 21173] exit_group(0) = ? [pid 21174] +++ exited with 0 +++ [pid 21173] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21173, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21176 ./strace-static-x86_64: Process 21176 attached [pid 21176] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21176] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21176] setpgid(0, 0) = 0 [pid 21176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21176] write(3, "1000", 4) = 4 [pid 21176] close(3) = 0 [pid 21176] write(1, "executing program\n", 18executing program ) = 18 [pid 21176] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21176] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21176] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21176] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21176] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21176] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21176] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21177]}, 88) = 21177 ./strace-static-x86_64: Process 21177 attached [pid 21176] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21176] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21176] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21177] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21177] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21177] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21177] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21176] <... futex resumed>) = 0 [pid 21176] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21176] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21177] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21177] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21176] <... futex resumed>) = 0 [pid 21176] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21176] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21177] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21177] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21176] <... futex resumed>) = 0 [pid 21176] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21176] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21177] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21177] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21176] <... futex resumed>) = 0 [pid 21176] exit_group(0) = ? [pid 21177] +++ exited with 0 +++ [pid 21176] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21176, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21178 ./strace-static-x86_64: Process 21178 attached [pid 21178] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21178] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21178] setpgid(0, 0) = 0 [pid 21178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21178] write(3, "1000", 4) = 4 [pid 21178] close(3) = 0 [pid 21178] write(1, "executing program\n", 18executing program ) = 18 [pid 21178] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21178] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21178] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21178] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21178] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21178] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21178] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21179 attached [pid 21179] set_robust_list(0x7f5486a549a0, 24 [pid 21178] <... clone3 resumed> => {parent_tid=[21179]}, 88) = 21179 [pid 21179] <... set_robust_list resumed>) = 0 [pid 21179] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21179] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21178] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21178] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21179] <... futex resumed>) = 0 [pid 21179] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21178] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21179] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21179] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21178] <... futex resumed>) = 0 [pid 21178] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21179] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21178] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21179] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21179] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21178] <... futex resumed>) = 0 [pid 21178] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21178] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21179] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21179] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21178] <... futex resumed>) = 0 [pid 21178] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21178] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21179] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21179] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21178] <... futex resumed>) = 0 [pid 21178] exit_group(0) = ? [pid 21179] +++ exited with 0 +++ [pid 21178] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21178, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21180 attached , child_tidptr=0x55557e841690) = 21180 [pid 21180] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21180] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21180] setpgid(0, 0) = 0 [pid 21180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21180] write(3, "1000", 4) = 4 [pid 21180] close(3) = 0 [pid 21180] write(1, "executing program\n", 18executing program ) = 18 [pid 21180] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21180] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21180] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21180] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21180] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21180] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21180] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21181]}, 88) = 21181 [pid 21180] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21180] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21180] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21181 attached [pid 21181] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21181] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21181] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21181] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21180] <... futex resumed>) = 0 [pid 21180] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21180] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21181] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21181] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21180] <... futex resumed>) = 0 [pid 21180] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21180] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21181] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21181] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21180] <... futex resumed>) = 0 [pid 21180] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21180] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21181] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21181] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21180] <... futex resumed>) = 0 [pid 21180] exit_group(0) = ? [pid 21181] +++ exited with 0 +++ [pid 21180] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21180, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21182 attached [pid 21182] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21182] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21182] setpgid(0, 0) = 0 [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 21182 [pid 21182] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21182] write(3, "1000", 4) = 4 [pid 21182] close(3) = 0 [pid 21182] write(1, "executing program\n", 18executing program ) = 18 [pid 21182] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21182] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21182] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21182] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21182] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21182] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21182] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21183]}, 88) = 21183 [pid 21182] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21182] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21182] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21183 attached [pid 21183] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21183] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21183] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21183] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21182] <... futex resumed>) = 0 [pid 21182] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21182] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21183] <... futex resumed>) = 1 [pid 21183] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21183] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21182] <... futex resumed>) = 0 [pid 21182] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21182] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21183] <... futex resumed>) = 1 [pid 21183] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21183] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21182] <... futex resumed>) = 0 [pid 21182] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21182] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21183] <... futex resumed>) = 1 [pid 21183] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21183] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21182] <... futex resumed>) = 0 [pid 21182] exit_group(0) = ? [pid 21183] <... futex resumed>) = ? [pid 21183] +++ exited with 0 +++ [pid 21182] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21182, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21184 ./strace-static-x86_64: Process 21184 attached [pid 21184] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21184] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21184] setpgid(0, 0) = 0 [pid 21184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21184] write(3, "1000", 4) = 4 [pid 21184] close(3) = 0 [pid 21184] write(1, "executing program\n", 18executing program ) = 18 [pid 21184] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21184] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21184] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21184] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21184] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21184] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21184] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21185]}, 88) = 21185 [pid 21184] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21184] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21184] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21185 attached [pid 21185] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21185] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21185] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21185] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21184] <... futex resumed>) = 0 [pid 21184] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21184] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21185] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21185] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21184] <... futex resumed>) = 0 [pid 21184] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21184] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21185] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21185] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21184] <... futex resumed>) = 0 [pid 21184] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21184] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21185] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21185] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21184] <... futex resumed>) = 0 [pid 21184] exit_group(0) = ? [pid 21185] +++ exited with 0 +++ [pid 21184] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21184, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21186 attached [pid 21186] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21186] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 21186 [pid 21186] <... prctl resumed>) = 0 [pid 21186] setpgid(0, 0) = 0 [pid 21186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21186] write(3, "1000", 4executing program ) = 4 [pid 21186] close(3) = 0 [pid 21186] write(1, "executing program\n", 18) = 18 [pid 21186] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21186] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21186] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21186] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21186] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21186] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21186] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21187 attached => {parent_tid=[21187]}, 88) = 21187 [pid 21186] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21186] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21186] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21187] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21187] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21187] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21187] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21186] <... futex resumed>) = 0 [pid 21186] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21186] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21187] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21187] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21186] <... futex resumed>) = 0 [pid 21186] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21186] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21187] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21187] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21186] <... futex resumed>) = 0 [pid 21186] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21186] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21187] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21187] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21186] <... futex resumed>) = 0 [pid 21186] exit_group(0) = ? [pid 21187] +++ exited with 0 +++ [pid 21186] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21186, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21188 attached , child_tidptr=0x55557e841690) = 21188 [pid 21188] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21188] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21188] setpgid(0, 0) = 0 [pid 21188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21188] write(3, "1000", 4) = 4 executing program [pid 21188] close(3) = 0 [pid 21188] write(1, "executing program\n", 18) = 18 [pid 21188] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21188] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21188] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21188] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21188] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21188] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21188] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21189 attached => {parent_tid=[21189]}, 88) = 21189 [pid 21188] rt_sigprocmask(SIG_SETMASK, [], [pid 21189] set_robust_list(0x7f5486a549a0, 24 [pid 21188] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21188] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21188] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21189] <... set_robust_list resumed>) = 0 [pid 21189] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21189] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21189] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21188] <... futex resumed>) = 0 [pid 21189] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21188] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21188] <... futex resumed>) = 0 [pid 21189] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21188] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21189] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21189] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21188] <... futex resumed>) = 0 [pid 21188] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21188] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21189] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21189] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21188] <... futex resumed>) = 0 [pid 21188] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21188] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21189] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21189] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21188] <... futex resumed>) = 0 [pid 21188] exit_group(0) = ? [pid 21189] +++ exited with 0 +++ [pid 21188] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21188, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21190 attached , child_tidptr=0x55557e841690) = 21190 [pid 21190] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21190] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21190] setpgid(0, 0) = 0 [pid 21190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21190] write(3, "1000", 4) = 4 [pid 21190] close(3) = 0 executing program [pid 21190] write(1, "executing program\n", 18) = 18 [pid 21190] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21190] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21190] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21190] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21190] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21190] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21190] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21191 attached => {parent_tid=[21191]}, 88) = 21191 [pid 21190] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21190] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21190] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21191] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21191] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21191] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21191] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21190] <... futex resumed>) = 0 [pid 21190] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21190] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21191] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21191] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21190] <... futex resumed>) = 0 [pid 21190] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21190] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21191] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21191] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21190] <... futex resumed>) = 0 [pid 21190] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21190] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21191] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21191] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21190] <... futex resumed>) = 0 [pid 21190] exit_group(0) = ? [pid 21191] +++ exited with 0 +++ [pid 21190] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21190, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21192 attached [pid 21192] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21192] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 21192 [pid 21192] <... prctl resumed>) = 0 [pid 21192] setpgid(0, 0) = 0 [pid 21192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21192] write(3, "1000", 4) = 4 [pid 21192] close(3executing program ) = 0 [pid 21192] write(1, "executing program\n", 18) = 18 [pid 21192] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21192] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21192] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21192] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21192] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21192] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21192] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21193 attached => {parent_tid=[21193]}, 88) = 21193 [pid 21193] set_robust_list(0x7f5486a549a0, 24 [pid 21192] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21192] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21192] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21193] <... set_robust_list resumed>) = 0 [pid 21193] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21193] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21193] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21193] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21192] <... futex resumed>) = 0 [pid 21192] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21192] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21193] <... futex resumed>) = 0 [pid 21193] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21193] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21192] <... futex resumed>) = 0 [pid 21192] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21192] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21193] <... futex resumed>) = 1 [pid 21193] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21193] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21192] <... futex resumed>) = 0 [pid 21192] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21192] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21193] <... futex resumed>) = 1 [pid 21193] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21193] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21192] <... futex resumed>) = 0 [pid 21192] exit_group(0) = ? [pid 21193] <... futex resumed>) = ? [pid 21193] +++ exited with 0 +++ [pid 21192] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21192, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21194 attached [pid 21194] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21194] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21194] setpgid(0, 0) = 0 [pid 21194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 21194 [pid 21194] <... openat resumed>) = 3 [pid 21194] write(3, "1000", 4) = 4 [pid 21194] close(3) = 0 [pid 21194] write(1, "executing program\n", 18executing program ) = 18 [pid 21194] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21194] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21194] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21194] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21194] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21194] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21194] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21195 attached => {parent_tid=[21195]}, 88) = 21195 [pid 21194] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21194] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21194] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21195] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21195] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21195] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21195] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21195] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21194] <... futex resumed>) = 0 [pid 21194] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21194] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21195] <... futex resumed>) = 0 [pid 21195] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21195] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21194] <... futex resumed>) = 0 [pid 21194] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21194] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21195] <... futex resumed>) = 1 [pid 21195] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21195] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21194] <... futex resumed>) = 0 [pid 21194] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21194] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21195] <... futex resumed>) = 1 [pid 21195] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21195] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21194] <... futex resumed>) = 0 [pid 21194] exit_group(0) = ? [pid 21195] <... futex resumed>) = ? [pid 21195] +++ exited with 0 +++ [pid 21194] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21194, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21196 attached [pid 21196] set_robust_list(0x55557e8416a0, 24) = 0 [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 21196 [pid 21196] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21196] setpgid(0, 0) = 0 [pid 21196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21196] write(3, "1000", 4) = 4 [pid 21196] close(3) = 0 [pid 21196] write(1, "executing program\n", 18executing program ) = 18 [pid 21196] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21196] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21196] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21196] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21196] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21196] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21196] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21197 attached => {parent_tid=[21197]}, 88) = 21197 [pid 21196] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21196] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21196] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21197] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21197] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21197] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21197] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21196] <... futex resumed>) = 0 [pid 21196] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21196] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21197] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21197] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21196] <... futex resumed>) = 0 [pid 21196] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21196] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21197] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21197] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21196] <... futex resumed>) = 0 [pid 21196] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21196] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21197] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21197] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21196] <... futex resumed>) = 0 [pid 21196] exit_group(0) = ? [pid 21197] +++ exited with 0 +++ [pid 21196] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21196, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21198 attached [pid 21198] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21198] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21198] setpgid(0, 0) = 0 [pid 21198] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 21198 [pid 21198] <... openat resumed>) = 3 [pid 21198] write(3, "1000", 4) = 4 [pid 21198] close(3) = 0 executing program [pid 21198] write(1, "executing program\n", 18) = 18 [pid 21198] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21198] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21198] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21198] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21198] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21198] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21198] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21199 attached => {parent_tid=[21199]}, 88) = 21199 [pid 21199] set_robust_list(0x7f5486a549a0, 24 [pid 21198] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21198] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21198] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21199] <... set_robust_list resumed>) = 0 [pid 21199] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21199] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21199] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21199] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21198] <... futex resumed>) = 0 [pid 21198] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21198] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21199] <... futex resumed>) = 0 [pid 21199] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21199] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21198] <... futex resumed>) = 0 [pid 21198] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21198] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21199] <... futex resumed>) = 1 [pid 21199] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21199] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21198] <... futex resumed>) = 0 [pid 21198] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21198] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21199] <... futex resumed>) = 1 [pid 21199] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21199] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21198] <... futex resumed>) = 0 [pid 21198] exit_group(0) = ? [pid 21199] <... futex resumed>) = ? [pid 21199] +++ exited with 0 +++ [pid 21198] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21198, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21200 ./strace-static-x86_64: Process 21200 attached [pid 21200] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21200] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21200] setpgid(0, 0) = 0 [pid 21200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21200] write(3, "1000", 4) = 4 [pid 21200] close(3) = 0 [pid 21200] write(1, "executing program\n", 18executing program ) = 18 [pid 21200] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21200] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21200] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21200] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21200] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21200] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21200] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21201 attached [pid 21201] set_robust_list(0x7f5486a549a0, 24 [pid 21200] <... clone3 resumed> => {parent_tid=[21201]}, 88) = 21201 [pid 21200] rt_sigprocmask(SIG_SETMASK, [], [pid 21201] <... set_robust_list resumed>) = 0 [pid 21201] rt_sigprocmask(SIG_SETMASK, [], [pid 21200] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21201] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21200] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21201] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21200] <... futex resumed>) = 0 [pid 21200] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21201] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21201] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21200] <... futex resumed>) = 0 [pid 21200] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21200] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21201] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21201] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21200] <... futex resumed>) = 0 [pid 21200] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21200] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21201] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21201] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21200] <... futex resumed>) = 0 [pid 21200] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21200] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21201] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21201] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21200] <... futex resumed>) = 0 [pid 21200] exit_group(0) = ? [pid 21201] +++ exited with 0 +++ [pid 21200] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21200, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21202 ./strace-static-x86_64: Process 21202 attached [pid 21202] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21202] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21202] setpgid(0, 0) = 0 [pid 21202] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21202] write(3, "1000", 4) = 4 [pid 21202] close(3) = 0 [pid 21202] write(1, "executing program\n", 18executing program ) = 18 [pid 21202] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21202] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21202] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21202] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21202] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21202] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21202] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21203]}, 88) = 21203 [pid 21202] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 21203 attached NULL, 8) = 0 [pid 21202] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21202] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21203] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21203] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21203] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21203] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21202] <... futex resumed>) = 0 [pid 21202] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21202] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21203] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21203] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21202] <... futex resumed>) = 0 [pid 21202] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21202] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21203] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21203] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21202] <... futex resumed>) = 0 [pid 21202] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21203] write(-1, "0x0000000000000001", 18 [pid 21202] <... futex resumed>) = 0 [pid 21202] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21203] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21203] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21202] <... futex resumed>) = 0 [pid 21203] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21202] exit_group(0 [pid 21203] <... futex resumed>) = ? [pid 21202] <... exit_group resumed>) = ? [pid 21203] +++ exited with 0 +++ [pid 21202] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21202, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21204 attached , child_tidptr=0x55557e841690) = 21204 [pid 21204] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21204] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21204] setpgid(0, 0) = 0 [pid 21204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21204] write(3, "1000", 4) = 4 [pid 21204] close(3) = 0 executing program [pid 21204] write(1, "executing program\n", 18) = 18 [pid 21204] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21204] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21204] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21204] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21204] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21204] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21204] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21205]}, 88) = 21205 ./strace-static-x86_64: Process 21205 attached [pid 21204] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21204] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21204] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21205] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21205] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21205] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21205] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21204] <... futex resumed>) = 0 [pid 21205] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21204] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21205] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21204] <... futex resumed>) = 0 [pid 21205] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21204] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21205] <... futex resumed>) = 0 [pid 21204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21205] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21204] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21205] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21204] <... futex resumed>) = 0 [pid 21205] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21204] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21205] <... futex resumed>) = 0 [pid 21204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21205] write(-1, "0x0000000000000001", 18 [pid 21204] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21205] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21204] <... futex resumed>) = 0 [pid 21205] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21204] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21205] <... futex resumed>) = 0 [pid 21204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21205] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21204] exit_group(0 [pid 21205] <... futex resumed>) = ? [pid 21204] <... exit_group resumed>) = ? [pid 21205] +++ exited with 0 +++ [pid 21204] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21204, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21206 attached [pid 21206] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21206] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21206] setpgid(0, 0) = 0 [pid 21206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21206] write(3, "1000", 4) = 4 [pid 21206] close(3) = 0 executing program [pid 21206] write(1, "executing program\n", 18) = 18 [pid 21206] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21206] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21206] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21206] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21206] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 21206 [pid 21206] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21206] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21207]}, 88) = 21207 [pid 21206] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21206] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21206] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21207 attached [pid 21207] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21207] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21207] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21207] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21206] <... futex resumed>) = 0 [pid 21206] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21206] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21207] <... futex resumed>) = 1 [pid 21207] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21207] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21206] <... futex resumed>) = 0 [pid 21206] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21206] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21207] <... futex resumed>) = 1 [pid 21207] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21207] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21206] <... futex resumed>) = 0 [pid 21206] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21206] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21207] <... futex resumed>) = 1 [pid 21207] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21207] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21206] <... futex resumed>) = 0 [pid 21206] exit_group(0) = ? [pid 21207] <... futex resumed>) = ? [pid 21207] +++ exited with 0 +++ [pid 21206] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21206, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21208 attached , child_tidptr=0x55557e841690) = 21208 [pid 21208] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21208] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21208] setpgid(0, 0) = 0 [pid 21208] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21208] write(3, "1000", 4) = 4 [pid 21208] close(3executing program ) = 0 [pid 21208] write(1, "executing program\n", 18) = 18 [pid 21208] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21208] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21208] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21208] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21208] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21208] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21208] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21209 attached => {parent_tid=[21209]}, 88) = 21209 [pid 21208] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21208] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21208] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21209] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21209] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21209] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21209] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21208] <... futex resumed>) = 0 [pid 21208] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21208] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21209] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21209] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21208] <... futex resumed>) = 0 [pid 21208] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21208] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21209] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21209] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21208] <... futex resumed>) = 0 [pid 21208] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21208] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21209] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21209] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21208] <... futex resumed>) = 0 [pid 21208] exit_group(0) = ? [pid 21209] +++ exited with 0 +++ [pid 21208] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21208, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21210 attached , child_tidptr=0x55557e841690) = 21210 [pid 21210] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21210] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21210] setpgid(0, 0) = 0 [pid 21210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21210] write(3, "1000", 4) = 4 [pid 21210] close(3) = 0 executing program [pid 21210] write(1, "executing program\n", 18) = 18 [pid 21210] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21210] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21210] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21210] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21210] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21210] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21210] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21211 attached => {parent_tid=[21211]}, 88) = 21211 [pid 21210] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21210] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21210] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21211] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21211] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21211] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21211] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21210] <... futex resumed>) = 0 [pid 21210] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21210] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21211] <... futex resumed>) = 1 [pid 21211] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21211] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21210] <... futex resumed>) = 0 [pid 21210] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21210] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21211] <... futex resumed>) = 1 [pid 21211] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21211] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21210] <... futex resumed>) = 0 [pid 21210] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21210] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21211] <... futex resumed>) = 1 [pid 21211] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21211] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21210] <... futex resumed>) = 0 [pid 21210] exit_group(0) = ? [pid 21211] <... futex resumed>) = ? [pid 21211] +++ exited with 0 +++ [pid 21210] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21210, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21212 ./strace-static-x86_64: Process 21212 attached [pid 21212] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21212] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21212] setpgid(0, 0) = 0 [pid 21212] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21212] write(3, "1000", 4) = 4 [pid 21212] close(3) = 0 [pid 21212] write(1, "executing program\n", 18executing program ) = 18 [pid 21212] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21212] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21212] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21212] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21212] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21212] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21212] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21213]}, 88) = 21213 [pid 21212] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21212] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21212] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21213 attached [pid 21213] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21213] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21213] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21213] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21212] <... futex resumed>) = 0 [pid 21212] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21212] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21213] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21213] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21212] <... futex resumed>) = 0 [pid 21212] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21212] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21213] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21213] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21212] <... futex resumed>) = 0 [pid 21212] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21212] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21213] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21213] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21212] <... futex resumed>) = 0 [pid 21212] exit_group(0) = ? [pid 21213] +++ exited with 0 +++ [pid 21212] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21212, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21214 ./strace-static-x86_64: Process 21214 attached [pid 21214] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21214] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21214] setpgid(0, 0) = 0 [pid 21214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21214] write(3, "1000", 4) = 4 [pid 21214] close(3executing program ) = 0 [pid 21214] write(1, "executing program\n", 18) = 18 [pid 21214] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21214] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21214] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21214] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21214] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21214] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21214] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21215]}, 88) = 21215 ./strace-static-x86_64: Process 21215 attached [pid 21214] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21214] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21214] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21215] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21215] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21215] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21215] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21214] <... futex resumed>) = 0 [pid 21215] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21214] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21215] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21214] <... futex resumed>) = 0 [pid 21215] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21214] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21215] <... futex resumed>) = 0 [pid 21214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21215] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21214] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21215] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21214] <... futex resumed>) = 0 [pid 21215] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21214] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21215] <... futex resumed>) = 0 [pid 21214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21215] write(-1, "0x0000000000000001", 18 [pid 21214] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21215] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21214] <... futex resumed>) = 0 [pid 21215] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21214] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21215] <... futex resumed>) = 0 [pid 21214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21215] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21214] exit_group(0 [pid 21215] <... futex resumed>) = ? [pid 21214] <... exit_group resumed>) = ? [pid 21215] +++ exited with 0 +++ [pid 21214] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21214, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21216 attached , child_tidptr=0x55557e841690) = 21216 [pid 21216] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21216] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21216] setpgid(0, 0) = 0 [pid 21216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21216] write(3, "1000", 4) = 4 [pid 21216] close(3) = 0 [pid 21216] write(1, "executing program\n", 18executing program ) = 18 [pid 21216] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21216] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21216] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21216] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21216] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21216] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21216] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21217 attached [pid 21217] set_robust_list(0x7f5486a549a0, 24 [pid 21216] <... clone3 resumed> => {parent_tid=[21217]}, 88) = 21217 [pid 21217] <... set_robust_list resumed>) = 0 [pid 21216] rt_sigprocmask(SIG_SETMASK, [], [pid 21217] rt_sigprocmask(SIG_SETMASK, [], [pid 21216] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21217] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21216] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21217] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21216] <... futex resumed>) = 0 [pid 21217] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21216] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21217] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21216] <... futex resumed>) = 0 [pid 21217] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21216] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21217] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21216] <... futex resumed>) = 0 [pid 21217] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21216] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21217] <... futex resumed>) = 0 [pid 21216] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21217] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21216] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21217] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21216] <... futex resumed>) = 0 [pid 21217] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21216] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21217] <... futex resumed>) = 0 [pid 21216] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21217] write(-1, "0x0000000000000001", 18 [pid 21216] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21217] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21216] <... futex resumed>) = 0 [pid 21217] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21216] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21217] <... futex resumed>) = 0 [pid 21216] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21217] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21216] exit_group(0 [pid 21217] <... futex resumed>) = ? [pid 21216] <... exit_group resumed>) = ? [pid 21217] +++ exited with 0 +++ [pid 21216] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21216, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21218 attached [pid 21218] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21218] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21218] setpgid(0, 0) = 0 [pid 21218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 21218 [pid 21218] <... openat resumed>) = 3 [pid 21218] write(3, "1000", 4) = 4 [pid 21218] close(3) = 0 [pid 21218] write(1, "executing program\n", 18executing program ) = 18 [pid 21218] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21218] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21218] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21218] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21218] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21218] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21218] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21219 attached => {parent_tid=[21219]}, 88) = 21219 [pid 21219] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21219] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21219] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21218] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21218] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21218] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21219] <... futex resumed>) = 0 [pid 21219] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21219] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21218] <... futex resumed>) = 0 [pid 21218] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21218] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21219] <... futex resumed>) = 1 [pid 21219] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21219] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21218] <... futex resumed>) = 0 [pid 21218] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21218] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21219] <... futex resumed>) = 1 [pid 21219] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21219] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21218] <... futex resumed>) = 0 [pid 21218] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21218] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21219] <... futex resumed>) = 1 [pid 21219] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21219] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21218] <... futex resumed>) = 0 [pid 21218] exit_group(0) = ? [pid 21219] <... futex resumed>) = ? [pid 21219] +++ exited with 0 +++ [pid 21218] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21218, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21220 ./strace-static-x86_64: Process 21220 attached [pid 21220] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21220] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21220] setpgid(0, 0) = 0 [pid 21220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21220] write(3, "1000", 4) = 4 executing program [pid 21220] close(3) = 0 [pid 21220] write(1, "executing program\n", 18) = 18 [pid 21220] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21220] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21220] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21220] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21220] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21220] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21220] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21221 attached => {parent_tid=[21221]}, 88) = 21221 [pid 21220] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21220] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21220] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21221] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21221] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21221] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21221] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21220] <... futex resumed>) = 0 [pid 21220] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21220] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21221] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21221] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21220] <... futex resumed>) = 0 [pid 21220] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21220] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21221] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21221] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21220] <... futex resumed>) = 0 [pid 21220] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21220] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21221] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21221] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21220] <... futex resumed>) = 0 [pid 21220] exit_group(0) = ? [pid 21221] +++ exited with 0 +++ [pid 21220] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21220, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21222 ./strace-static-x86_64: Process 21222 attached [pid 21222] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21222] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21222] setpgid(0, 0) = 0 [pid 21222] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21222] write(3, "1000", 4) = 4 [pid 21222] close(3) = 0 executing program [pid 21222] write(1, "executing program\n", 18) = 18 [pid 21222] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21222] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21222] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21222] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21222] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21222] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21222] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21223]}, 88) = 21223 ./strace-static-x86_64: Process 21223 attached [pid 21222] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21222] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21222] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21223] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21223] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21223] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21223] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21222] <... futex resumed>) = 0 [pid 21222] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21222] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21223] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21223] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21222] <... futex resumed>) = 0 [pid 21222] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21222] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21223] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21223] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21222] <... futex resumed>) = 0 [pid 21222] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21222] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21223] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21223] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21222] <... futex resumed>) = 0 [pid 21222] exit_group(0) = ? [pid 21223] +++ exited with 0 +++ [pid 21222] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21222, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21224 ./strace-static-x86_64: Process 21224 attached [pid 21224] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21224] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21224] setpgid(0, 0) = 0 [pid 21224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21224] write(3, "1000", 4) = 4 [pid 21224] close(3) = 0 [pid 21224] write(1, "executing program\n", 18executing program ) = 18 [pid 21224] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21224] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21224] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21224] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21224] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21224] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21224] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21225 attached => {parent_tid=[21225]}, 88) = 21225 [pid 21225] set_robust_list(0x7f5486a549a0, 24 [pid 21224] rt_sigprocmask(SIG_SETMASK, [], [pid 21225] <... set_robust_list resumed>) = 0 [pid 21225] rt_sigprocmask(SIG_SETMASK, [], [pid 21224] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21225] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21224] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21225] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21224] <... futex resumed>) = 0 [pid 21224] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21225] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21225] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21224] <... futex resumed>) = 0 [pid 21224] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21224] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21225] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21225] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21224] <... futex resumed>) = 0 [pid 21224] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21224] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21225] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21225] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21224] <... futex resumed>) = 0 [pid 21224] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21224] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21225] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21225] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21224] <... futex resumed>) = 0 [pid 21224] exit_group(0) = ? [pid 21225] +++ exited with 0 +++ [pid 21224] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21224, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21226 ./strace-static-x86_64: Process 21226 attached [pid 21226] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21226] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21226] setpgid(0, 0) = 0 [pid 21226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21226] write(3, "1000", 4) = 4 [pid 21226] close(3) = 0 [pid 21226] write(1, "executing program\n", 18executing program ) = 18 [pid 21226] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21226] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21226] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21226] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21226] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21226] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21226] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21227 attached [pid 21227] set_robust_list(0x7f5486a549a0, 24 [pid 21226] <... clone3 resumed> => {parent_tid=[21227]}, 88) = 21227 [pid 21227] <... set_robust_list resumed>) = 0 [pid 21227] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21227] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21226] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21226] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21227] <... futex resumed>) = 0 [pid 21227] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21226] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21227] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21227] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21226] <... futex resumed>) = 0 [pid 21226] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21226] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21227] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21227] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21226] <... futex resumed>) = 0 [pid 21226] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21226] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21227] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21227] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21226] <... futex resumed>) = 0 [pid 21226] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21226] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21227] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21227] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21226] <... futex resumed>) = 0 [pid 21226] exit_group(0) = ? [pid 21227] +++ exited with 0 +++ [pid 21226] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21226, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21228 ./strace-static-x86_64: Process 21228 attached [pid 21228] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21228] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21228] setpgid(0, 0) = 0 [pid 21228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21228] write(3, "1000", 4) = 4 [pid 21228] close(3) = 0 executing program [pid 21228] write(1, "executing program\n", 18) = 18 [pid 21228] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21228] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21228] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21228] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21228] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21228] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21228] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21229]}, 88) = 21229 [pid 21228] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21228] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21228] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21229 attached [pid 21229] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21229] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21229] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21229] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21228] <... futex resumed>) = 0 [pid 21228] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21228] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21229] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21229] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21228] <... futex resumed>) = 0 [pid 21228] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21228] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21229] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21229] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21228] <... futex resumed>) = 0 [pid 21228] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21228] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21229] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21229] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21228] <... futex resumed>) = 0 [pid 21228] exit_group(0) = ? [pid 21229] +++ exited with 0 +++ [pid 21228] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21228, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21230 attached [pid 21230] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21230] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 21230 [pid 21230] <... prctl resumed>) = 0 [pid 21230] setpgid(0, 0) = 0 [pid 21230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21230] write(3, "1000", 4) = 4 executing program [pid 21230] close(3) = 0 [pid 21230] write(1, "executing program\n", 18) = 18 [pid 21230] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21230] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21230] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21230] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21230] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21230] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21230] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21231]}, 88) = 21231 ./strace-static-x86_64: Process 21231 attached [pid 21230] rt_sigprocmask(SIG_SETMASK, [], [pid 21231] set_robust_list(0x7f5486a549a0, 24 [pid 21230] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21230] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21230] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21231] <... set_robust_list resumed>) = 0 [pid 21231] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21231] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21231] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21230] <... futex resumed>) = 0 [pid 21230] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21230] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21231] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21231] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21230] <... futex resumed>) = 0 [pid 21230] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21230] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21231] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21231] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21230] <... futex resumed>) = 0 [pid 21230] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21230] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21231] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21231] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21230] <... futex resumed>) = 0 [pid 21230] exit_group(0) = ? [pid 21231] +++ exited with 0 +++ [pid 21230] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21230, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21232 ./strace-static-x86_64: Process 21232 attached [pid 21232] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21232] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21232] setpgid(0, 0) = 0 [pid 21232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21232] write(3, "1000", 4) = 4 [pid 21232] close(3) = 0 [pid 21232] write(1, "executing program\n", 18executing program ) = 18 [pid 21232] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21232] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21232] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21232] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21232] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21232] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21232] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21233]}, 88) = 21233 ./strace-static-x86_64: Process 21233 attached [pid 21232] rt_sigprocmask(SIG_SETMASK, [], [pid 21233] set_robust_list(0x7f5486a549a0, 24 [pid 21232] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21233] <... set_robust_list resumed>) = 0 [pid 21232] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21233] rt_sigprocmask(SIG_SETMASK, [], [pid 21232] <... futex resumed>) = 0 [pid 21233] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21232] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21233] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21233] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21233] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21232] <... futex resumed>) = 0 [pid 21232] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21233] <... futex resumed>) = 0 [pid 21233] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21232] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21233] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21232] <... futex resumed>) = 0 [pid 21232] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21232] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21233] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21233] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21232] <... futex resumed>) = 0 [pid 21232] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21232] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21233] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21233] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21232] <... futex resumed>) = 0 [pid 21232] exit_group(0) = ? [pid 21233] +++ exited with 0 +++ [pid 21232] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21232, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21234 ./strace-static-x86_64: Process 21234 attached [pid 21234] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21234] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21234] setpgid(0, 0) = 0 [pid 21234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21234] write(3, "1000", 4) = 4 [pid 21234] close(3) = 0 [pid 21234] write(1, "executing program\n", 18executing program ) = 18 [pid 21234] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21234] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21234] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21234] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21234] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21234] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21234] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21235]}, 88) = 21235 [pid 21234] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21234] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21234] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21235 attached [pid 21235] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21235] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21235] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21235] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21234] <... futex resumed>) = 0 [pid 21234] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21234] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21235] <... futex resumed>) = 1 [pid 21235] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21235] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21234] <... futex resumed>) = 0 [pid 21234] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21234] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21235] <... futex resumed>) = 1 [pid 21235] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21235] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21234] <... futex resumed>) = 0 [pid 21234] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21234] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21235] <... futex resumed>) = 1 [pid 21235] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21235] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21234] <... futex resumed>) = 0 [pid 21234] exit_group(0) = ? [pid 21235] <... futex resumed>) = ? [pid 21235] +++ exited with 0 +++ [pid 21234] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21234, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21236 ./strace-static-x86_64: Process 21236 attached [pid 21236] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21236] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21236] setpgid(0, 0) = 0 [pid 21236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21236] write(3, "1000", 4) = 4 [pid 21236] close(3) = 0 [pid 21236] write(1, "executing program\n", 18executing program ) = 18 [pid 21236] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21236] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21236] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21236] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21236] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21236] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21236] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21237 attached => {parent_tid=[21237]}, 88) = 21237 [pid 21236] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21236] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21236] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21237] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21237] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21237] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21237] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21236] <... futex resumed>) = 0 [pid 21236] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21236] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21237] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21237] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21236] <... futex resumed>) = 0 [pid 21236] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21236] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21237] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21237] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21236] <... futex resumed>) = 0 [pid 21236] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21236] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21237] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21237] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21236] <... futex resumed>) = 0 [pid 21236] exit_group(0) = ? [pid 21237] +++ exited with 0 +++ [pid 21236] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21236, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21238 attached , child_tidptr=0x55557e841690) = 21238 [pid 21238] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21238] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21238] setpgid(0, 0) = 0 [pid 21238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21238] write(3, "1000", 4) = 4 [pid 21238] close(3) = 0 executing program [pid 21238] write(1, "executing program\n", 18) = 18 [pid 21238] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21238] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21238] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21238] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21238] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21238] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21238] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21239]}, 88) = 21239 ./strace-static-x86_64: Process 21239 attached [pid 21238] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21238] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21238] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21239] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21239] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21239] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21239] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21238] <... futex resumed>) = 0 [pid 21238] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21238] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21239] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21239] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21238] <... futex resumed>) = 0 [pid 21238] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21238] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21239] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21239] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21238] <... futex resumed>) = 0 [pid 21238] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21238] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21239] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21239] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21238] <... futex resumed>) = 0 [pid 21238] exit_group(0) = ? [pid 21239] +++ exited with 0 +++ [pid 21238] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21238, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21240 attached [pid 21240] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21240] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21240] setpgid(0, 0) = 0 [pid 21240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 21240 [pid 21240] <... openat resumed>) = 3 [pid 21240] write(3, "1000", 4) = 4 [pid 21240] close(3) = 0 executing program [pid 21240] write(1, "executing program\n", 18) = 18 [pid 21240] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21240] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21240] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21240] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21240] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21240] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21240] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21241 attached => {parent_tid=[21241]}, 88) = 21241 [pid 21241] set_robust_list(0x7f5486a549a0, 24 [pid 21240] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21240] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21240] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21241] <... set_robust_list resumed>) = 0 [pid 21241] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21241] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21241] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21240] <... futex resumed>) = 0 [pid 21240] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21240] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21241] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21241] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21240] <... futex resumed>) = 0 [pid 21240] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21240] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21241] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21241] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21240] <... futex resumed>) = 0 [pid 21240] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21240] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21241] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21241] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21241] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21240] <... futex resumed>) = 0 [pid 21240] exit_group(0) = ? [pid 21241] <... futex resumed>) = ? [pid 21241] +++ exited with 0 +++ [pid 21240] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21240, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21242 ./strace-static-x86_64: Process 21242 attached [pid 21242] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21242] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21242] setpgid(0, 0) = 0 [pid 21242] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21242] write(3, "1000", 4) = 4 [pid 21242] close(3) = 0 [pid 21242] write(1, "executing program\n", 18executing program ) = 18 [pid 21242] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21242] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21242] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21242] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21242] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21242] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21242] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21243]}, 88) = 21243 ./strace-static-x86_64: Process 21243 attached [pid 21242] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21242] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21242] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21243] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21243] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21243] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21243] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21242] <... futex resumed>) = 0 [pid 21242] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21242] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21243] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21243] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21242] <... futex resumed>) = 0 [pid 21242] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21242] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21243] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21243] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21242] <... futex resumed>) = 0 [pid 21242] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21242] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21243] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21243] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21242] <... futex resumed>) = 0 [pid 21242] exit_group(0) = ? [pid 21243] +++ exited with 0 +++ [pid 21242] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21242, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21244 attached , child_tidptr=0x55557e841690) = 21244 [pid 21244] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21244] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21244] setpgid(0, 0) = 0 [pid 21244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21244] write(3, "1000", 4) = 4 [pid 21244] close(3) = 0 executing program [pid 21244] write(1, "executing program\n", 18) = 18 [pid 21244] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21244] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21244] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21244] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21244] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21244] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21244] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21245 attached [pid 21245] set_robust_list(0x7f5486a549a0, 24 [pid 21244] <... clone3 resumed> => {parent_tid=[21245]}, 88) = 21245 [pid 21244] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21244] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21244] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21245] <... set_robust_list resumed>) = 0 [pid 21245] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21245] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21245] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21245] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21244] <... futex resumed>) = 0 [pid 21244] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21245] <... futex resumed>) = 0 [pid 21244] <... futex resumed>) = 1 [pid 21245] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21244] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21245] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21245] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21244] <... futex resumed>) = 0 [pid 21245] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21244] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21245] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21244] <... futex resumed>) = 0 [pid 21245] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21244] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21245] <... futex resumed>) = 0 [pid 21244] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21245] write(-1, "0x0000000000000001", 18 [pid 21244] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21245] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21244] <... futex resumed>) = 0 [pid 21245] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21244] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21245] <... futex resumed>) = 0 [pid 21244] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21245] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21244] exit_group(0 [pid 21245] <... futex resumed>) = ? [pid 21244] <... exit_group resumed>) = ? [pid 21245] +++ exited with 0 +++ [pid 21244] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21244, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21246 attached , child_tidptr=0x55557e841690) = 21246 [pid 21246] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21246] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21246] setpgid(0, 0) = 0 [pid 21246] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21246] write(3, "1000", 4) = 4 [pid 21246] close(3) = 0 [pid 21246] write(1, "executing program\n", 18executing program ) = 18 [pid 21246] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21246] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21246] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21246] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21246] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21246] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21246] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21247]}, 88) = 21247 [pid 21246] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21246] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21246] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21247 attached [pid 21247] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21247] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21247] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21247] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21246] <... futex resumed>) = 0 [pid 21246] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21246] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21247] <... futex resumed>) = 1 [pid 21247] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21247] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21246] <... futex resumed>) = 0 [pid 21246] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21246] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21247] <... futex resumed>) = 1 [pid 21247] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21247] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21246] <... futex resumed>) = 0 [pid 21246] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21246] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21247] <... futex resumed>) = 1 [pid 21247] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21247] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21246] <... futex resumed>) = 0 [pid 21246] exit_group(0) = ? [pid 21247] <... futex resumed>) = ? [pid 21247] +++ exited with 0 +++ [pid 21246] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21246, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21248 ./strace-static-x86_64: Process 21248 attached [pid 21248] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21248] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21248] setpgid(0, 0) = 0 [pid 21248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21248] write(3, "1000", 4) = 4 [pid 21248] close(3) = 0 executing program [pid 21248] write(1, "executing program\n", 18) = 18 [pid 21248] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21248] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21248] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21248] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21248] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21248] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21248] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21249]}, 88) = 21249 ./strace-static-x86_64: Process 21249 attached [pid 21248] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21248] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21248] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21249] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21249] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21249] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21249] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21248] <... futex resumed>) = 0 [pid 21248] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21248] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21249] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21249] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21248] <... futex resumed>) = 0 [pid 21248] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21248] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21249] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21249] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21248] <... futex resumed>) = 0 [pid 21248] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21248] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21249] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21249] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21248] <... futex resumed>) = 0 [pid 21248] exit_group(0) = ? [pid 21249] +++ exited with 0 +++ [pid 21248] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21248, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21250 ./strace-static-x86_64: Process 21250 attached [pid 21250] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21250] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21250] setpgid(0, 0) = 0 [pid 21250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21250] write(3, "1000", 4) = 4 [pid 21250] close(3) = 0 [pid 21250] write(1, "executing program\n", 18executing program ) = 18 [pid 21250] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21250] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21250] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21250] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21250] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21250] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21250] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21251]}, 88) = 21251 ./strace-static-x86_64: Process 21251 attached [pid 21250] rt_sigprocmask(SIG_SETMASK, [], [pid 21251] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21251] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21251] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21250] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21250] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21250] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21251] <... futex resumed>) = 0 [pid 21251] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21251] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21251] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21250] <... futex resumed>) = 0 [pid 21250] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21251] <... futex resumed>) = 0 [pid 21251] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21250] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21251] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21250] <... futex resumed>) = 0 [pid 21250] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21250] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21251] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21251] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21250] <... futex resumed>) = 0 [pid 21250] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21250] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21251] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21251] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21250] <... futex resumed>) = 0 [pid 21250] exit_group(0) = ? [pid 21251] +++ exited with 0 +++ [pid 21250] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21250, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21252 attached , child_tidptr=0x55557e841690) = 21252 [pid 21252] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21252] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21252] setpgid(0, 0) = 0 [pid 21252] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21252] write(3, "1000", 4) = 4 [pid 21252] close(3) = 0 [pid 21252] write(1, "executing program\n", 18executing program ) = 18 [pid 21252] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21252] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21252] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21252] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21252] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21252] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21252] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21253 attached => {parent_tid=[21253]}, 88) = 21253 [pid 21252] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21252] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21253] set_robust_list(0x7f5486a549a0, 24 [pid 21252] <... futex resumed>) = 0 [pid 21253] <... set_robust_list resumed>) = 0 [pid 21253] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21253] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21253] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21253] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21252] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 21252] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21253] <... futex resumed>) = 0 [pid 21253] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21252] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21253] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21253] <... futex resumed>) = 0 [pid 21252] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21252] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21253] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21253] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21252] <... futex resumed>) = 0 [pid 21252] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21252] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21253] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21253] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21252] <... futex resumed>) = 0 [pid 21252] exit_group(0) = ? [pid 21253] +++ exited with 0 +++ [pid 21252] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21252, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21254 attached , child_tidptr=0x55557e841690) = 21254 [pid 21254] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21254] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21254] setpgid(0, 0) = 0 [pid 21254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21254] write(3, "1000", 4) = 4 [pid 21254] close(3) = 0 [pid 21254] write(1, "executing program\n", 18executing program ) = 18 [pid 21254] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21254] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21254] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21254] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21254] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21254] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21254] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21255 attached => {parent_tid=[21255]}, 88) = 21255 [pid 21254] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21254] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21254] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21255] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21255] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21255] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21255] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21255] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21254] <... futex resumed>) = 0 [pid 21254] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21255] <... futex resumed>) = 0 [pid 21254] <... futex resumed>) = 1 [pid 21255] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21254] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21255] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21255] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21254] <... futex resumed>) = 0 [pid 21255] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21254] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21255] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21254] <... futex resumed>) = 0 [pid 21255] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21254] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21255] <... futex resumed>) = 0 [pid 21254] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21255] write(-1, "0x0000000000000001", 18 [pid 21254] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21255] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21254] <... futex resumed>) = 0 [pid 21255] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21254] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21255] <... futex resumed>) = 0 [pid 21254] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21255] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21254] exit_group(0 [pid 21255] <... futex resumed>) = ? [pid 21254] <... exit_group resumed>) = ? [pid 21255] +++ exited with 0 +++ [pid 21254] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21254, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21256 ./strace-static-x86_64: Process 21256 attached [pid 21256] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21256] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21256] setpgid(0, 0) = 0 [pid 21256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21256] write(3, "1000", 4) = 4 [pid 21256] close(3) = 0 [pid 21256] write(1, "executing program\n", 18executing program ) = 18 [pid 21256] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21256] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21256] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21256] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21256] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21256] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21256] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21257 attached => {parent_tid=[21257]}, 88) = 21257 [pid 21256] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21256] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21256] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21257] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21257] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21257] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21257] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21256] <... futex resumed>) = 0 [pid 21256] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21256] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21257] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21257] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21256] <... futex resumed>) = 0 [pid 21256] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21256] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21257] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21257] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21256] <... futex resumed>) = 0 [pid 21256] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21256] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21257] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21257] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21256] <... futex resumed>) = 0 [pid 21256] exit_group(0) = ? [pid 21257] +++ exited with 0 +++ [pid 21256] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21256, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21258 attached , child_tidptr=0x55557e841690) = 21258 [pid 21258] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21258] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21258] setpgid(0, 0) = 0 [pid 21258] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21258] write(3, "1000", 4) = 4 [pid 21258] close(3) = 0 executing program [pid 21258] write(1, "executing program\n", 18) = 18 [pid 21258] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21258] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21258] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21258] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21258] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21258] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21258] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21259 attached [pid 21259] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21259] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21259] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21258] <... clone3 resumed> => {parent_tid=[21259]}, 88) = 21259 [pid 21258] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21258] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21258] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21259] <... futex resumed>) = 0 [pid 21259] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21259] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21258] <... futex resumed>) = 0 [pid 21258] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21258] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21259] <... futex resumed>) = 1 [pid 21259] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21259] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21258] <... futex resumed>) = 0 [pid 21258] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21258] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21259] <... futex resumed>) = 1 [pid 21259] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21259] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21259] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21258] <... futex resumed>) = 0 [pid 21258] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21258] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21259] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21259] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21258] <... futex resumed>) = 0 [pid 21259] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21258] exit_group(0 [pid 21259] <... futex resumed>) = ? [pid 21258] <... exit_group resumed>) = ? [pid 21259] +++ exited with 0 +++ [pid 21258] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21258, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21260 ./strace-static-x86_64: Process 21260 attached [pid 21260] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21260] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21260] setpgid(0, 0) = 0 [pid 21260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21260] write(3, "1000", 4) = 4 [pid 21260] close(3) = 0 executing program [pid 21260] write(1, "executing program\n", 18) = 18 [pid 21260] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21260] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21260] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21260] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21260] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21260] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21260] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21261]}, 88) = 21261 [pid 21260] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21260] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21260] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21261 attached [pid 21261] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21261] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21261] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21261] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21260] <... futex resumed>) = 0 [pid 21260] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21260] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21261] <... futex resumed>) = 1 [pid 21261] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21261] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21260] <... futex resumed>) = 0 [pid 21260] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21260] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21261] <... futex resumed>) = 1 [pid 21261] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21261] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21260] <... futex resumed>) = 0 [pid 21260] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21260] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21261] <... futex resumed>) = 1 [pid 21261] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21261] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21260] <... futex resumed>) = 0 [pid 21260] exit_group(0) = ? [pid 21261] <... futex resumed>) = ? [pid 21261] +++ exited with 0 +++ [pid 21260] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21260, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21262 ./strace-static-x86_64: Process 21262 attached [pid 21262] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21262] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21262] setpgid(0, 0) = 0 [pid 21262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21262] write(3, "1000", 4) = 4 [pid 21262] close(3) = 0 [pid 21262] write(1, "executing program\n", 18executing program ) = 18 [pid 21262] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21262] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21262] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21262] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21262] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21262] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21262] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21263]}, 88) = 21263 [pid 21262] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21262] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21262] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21263 attached [pid 21263] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21263] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21263] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21263] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21262] <... futex resumed>) = 0 [pid 21262] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21262] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21263] <... futex resumed>) = 1 [pid 21263] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21263] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21262] <... futex resumed>) = 0 [pid 21262] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21262] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21263] <... futex resumed>) = 1 [pid 21263] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21263] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21262] <... futex resumed>) = 0 [pid 21263] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21262] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21262] <... futex resumed>) = 0 [pid 21262] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21263] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21263] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21262] <... futex resumed>) = 0 [pid 21263] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21262] exit_group(0 [pid 21263] <... futex resumed>) = ? [pid 21262] <... exit_group resumed>) = ? [pid 21263] +++ exited with 0 +++ [pid 21262] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21262, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21264 ./strace-static-x86_64: Process 21264 attached [pid 21264] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21264] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21264] setpgid(0, 0) = 0 [pid 21264] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21264] write(3, "1000", 4) = 4 executing program [pid 21264] close(3) = 0 [pid 21264] write(1, "executing program\n", 18) = 18 [pid 21264] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21264] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21264] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21264] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21264] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21264] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21264] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21265]}, 88) = 21265 [pid 21264] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21264] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21264] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21265 attached [pid 21265] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21265] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21265] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21265] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21264] <... futex resumed>) = 0 [pid 21264] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21264] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21265] <... futex resumed>) = 1 [pid 21265] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21265] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21264] <... futex resumed>) = 0 [pid 21264] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21264] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21265] <... futex resumed>) = 1 [pid 21265] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21265] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21264] <... futex resumed>) = 0 [pid 21264] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21264] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21265] <... futex resumed>) = 1 [pid 21265] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21265] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21264] <... futex resumed>) = 0 [pid 21264] exit_group(0) = ? [pid 21265] <... futex resumed>) = ? [pid 21265] +++ exited with 0 +++ [pid 21264] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21264, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21266 ./strace-static-x86_64: Process 21266 attached [pid 21266] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21266] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21266] setpgid(0, 0) = 0 [pid 21266] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21266] write(3, "1000", 4) = 4 [pid 21266] close(3) = 0 [pid 21266] write(1, "executing program\n", 18executing program ) = 18 [pid 21266] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21266] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21266] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21266] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21266] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21266] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21266] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21267 attached => {parent_tid=[21267]}, 88) = 21267 [pid 21267] set_robust_list(0x7f5486a549a0, 24 [pid 21266] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21266] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21266] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21267] <... set_robust_list resumed>) = 0 [pid 21267] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21267] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21267] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21266] <... futex resumed>) = 0 [pid 21266] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21266] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21267] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21267] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21266] <... futex resumed>) = 0 [pid 21266] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21266] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21267] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21267] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21266] <... futex resumed>) = 0 [pid 21266] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21266] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21267] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21267] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21267] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21266] <... futex resumed>) = 0 [pid 21266] exit_group(0) = ? [pid 21267] <... futex resumed>) = ? [pid 21267] +++ exited with 0 +++ [pid 21266] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21266, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21268 ./strace-static-x86_64: Process 21268 attached [pid 21268] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21268] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21268] setpgid(0, 0) = 0 [pid 21268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21268] write(3, "1000", 4) = 4 executing program [pid 21268] close(3) = 0 [pid 21268] write(1, "executing program\n", 18) = 18 [pid 21268] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21268] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21268] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21268] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21268] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21268] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21268] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21269]}, 88) = 21269 [pid 21268] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21268] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21268] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21269 attached [pid 21269] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21269] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21269] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21269] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21268] <... futex resumed>) = 0 [pid 21268] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21268] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21269] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21269] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21268] <... futex resumed>) = 0 [pid 21268] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21268] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21269] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21269] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21268] <... futex resumed>) = 0 [pid 21268] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21268] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21269] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21269] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21268] <... futex resumed>) = 0 [pid 21268] exit_group(0) = ? [pid 21269] +++ exited with 0 +++ [pid 21268] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21268, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21270 attached [pid 21270] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21270] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21270] setpgid(0, 0) = 0 [pid 21270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21270] write(3, "1000", 4) = 4 [pid 21270] close(3executing program ) = 0 [pid 21270] write(1, "executing program\n", 18) = 18 [pid 21270] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21270] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21270] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21270] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21270] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21270] rt_sigprocmask(SIG_BLOCK, ~[], [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 21270 [pid 21270] <... rt_sigprocmask resumed>[], 8) = 0 [pid 21270] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21271]}, 88) = 21271 [pid 21270] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21270] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21270] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21271 attached [pid 21271] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21271] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21271] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21271] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21270] <... futex resumed>) = 0 [pid 21270] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21270] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21271] <... futex resumed>) = 1 [pid 21271] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21271] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21270] <... futex resumed>) = 0 [pid 21270] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21270] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21271] <... futex resumed>) = 1 [pid 21271] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21271] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21270] <... futex resumed>) = 0 [pid 21270] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21270] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21271] <... futex resumed>) = 1 [pid 21271] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21271] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21270] <... futex resumed>) = 0 [pid 21270] exit_group(0) = ? [pid 21271] <... futex resumed>) = ? [pid 21271] +++ exited with 0 +++ [pid 21270] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21270, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21272 ./strace-static-x86_64: Process 21272 attached [pid 21272] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21272] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21272] setpgid(0, 0) = 0 [pid 21272] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21272] write(3, "1000", 4) = 4 [pid 21272] close(3executing program ) = 0 [pid 21272] write(1, "executing program\n", 18) = 18 [pid 21272] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21272] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21272] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21272] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21272] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21272] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21272] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21273 attached => {parent_tid=[21273]}, 88) = 21273 [pid 21272] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21272] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21272] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21273] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21273] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21273] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21273] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21272] <... futex resumed>) = 0 [pid 21272] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21272] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21273] <... futex resumed>) = 1 [pid 21273] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21273] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21272] <... futex resumed>) = 0 [pid 21272] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21272] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21273] <... futex resumed>) = 1 [pid 21273] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21273] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21272] <... futex resumed>) = 0 [pid 21272] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21272] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21273] <... futex resumed>) = 1 [pid 21273] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21273] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21272] <... futex resumed>) = 0 [pid 21272] exit_group(0) = ? [pid 21273] <... futex resumed>) = ? [pid 21273] +++ exited with 0 +++ [pid 21272] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21272, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21274 attached , child_tidptr=0x55557e841690) = 21274 [pid 21274] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21274] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21274] setpgid(0, 0) = 0 [pid 21274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21274] write(3, "1000", 4) = 4 [pid 21274] close(3) = 0 executing program [pid 21274] write(1, "executing program\n", 18) = 18 [pid 21274] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21274] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21274] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21274] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21274] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21274] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21274] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21275]}, 88) = 21275 [pid 21274] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21274] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21274] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21275 attached [pid 21275] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21275] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21275] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21275] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21274] <... futex resumed>) = 0 [pid 21274] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21274] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21275] <... futex resumed>) = 1 [pid 21275] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21275] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21274] <... futex resumed>) = 0 [pid 21274] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21274] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21275] <... futex resumed>) = 1 [pid 21275] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21275] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21274] <... futex resumed>) = 0 [pid 21274] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21274] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21275] <... futex resumed>) = 1 [pid 21275] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21275] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21274] <... futex resumed>) = 0 [pid 21274] exit_group(0) = ? [pid 21275] <... futex resumed>) = ? [pid 21275] +++ exited with 0 +++ [pid 21274] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21274, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21276 ./strace-static-x86_64: Process 21276 attached [pid 21276] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21276] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21276] setpgid(0, 0) = 0 [pid 21276] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21276] write(3, "1000", 4) = 4 [pid 21276] close(3) = 0 executing program [pid 21276] write(1, "executing program\n", 18) = 18 [pid 21276] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21276] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21276] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21276] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21276] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21276] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21276] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21277 attached [pid 21277] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21277] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21277] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21276] <... clone3 resumed> => {parent_tid=[21277]}, 88) = 21277 [pid 21276] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21276] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21276] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21277] <... futex resumed>) = 0 [pid 21277] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21277] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21276] <... futex resumed>) = 0 [pid 21276] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21276] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21277] <... futex resumed>) = 1 [pid 21277] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21277] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21276] <... futex resumed>) = 0 [pid 21276] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21276] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21277] <... futex resumed>) = 1 [pid 21277] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21277] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21277] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21276] <... futex resumed>) = 0 [pid 21276] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21276] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21277] <... futex resumed>) = 0 [pid 21277] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21277] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21276] <... futex resumed>) = 0 [pid 21276] exit_group(0) = ? [pid 21277] <... futex resumed>) = ? [pid 21277] +++ exited with 0 +++ [pid 21276] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21276, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21278 attached , child_tidptr=0x55557e841690) = 21278 [pid 21278] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21278] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21278] setpgid(0, 0) = 0 [pid 21278] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21278] write(3, "1000", 4) = 4 [pid 21278] close(3) = 0 executing program [pid 21278] write(1, "executing program\n", 18) = 18 [pid 21278] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21278] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21278] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21278] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21278] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21278] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21278] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21279 attached => {parent_tid=[21279]}, 88) = 21279 [pid 21278] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21278] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21278] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21279] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21279] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21279] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21279] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21278] <... futex resumed>) = 0 [pid 21278] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21278] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21279] <... futex resumed>) = 1 [pid 21279] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21279] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21278] <... futex resumed>) = 0 [pid 21278] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21278] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21279] <... futex resumed>) = 1 [pid 21279] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21279] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21278] <... futex resumed>) = 0 [pid 21278] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21278] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21279] <... futex resumed>) = 1 [pid 21279] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21279] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21278] <... futex resumed>) = 0 [pid 21278] exit_group(0) = ? [pid 21279] <... futex resumed>) = ? [pid 21279] +++ exited with 0 +++ [pid 21278] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21278, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21280 ./strace-static-x86_64: Process 21280 attached [pid 21280] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21280] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21280] setpgid(0, 0) = 0 [pid 21280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21280] write(3, "1000", 4) = 4 [pid 21280] close(3) = 0 executing program [pid 21280] write(1, "executing program\n", 18) = 18 [pid 21280] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21280] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21280] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21280] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21280] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21280] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21280] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21281 attached => {parent_tid=[21281]}, 88) = 21281 [pid 21280] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21280] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21280] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21281] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21281] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21281] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21281] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21280] <... futex resumed>) = 0 [pid 21280] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21280] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21281] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21281] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21280] <... futex resumed>) = 0 [pid 21280] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21280] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21281] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21281] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21280] <... futex resumed>) = 0 [pid 21280] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21280] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21281] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21281] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21280] <... futex resumed>) = 0 [pid 21280] exit_group(0) = ? [pid 21281] +++ exited with 0 +++ [pid 21280] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21280, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21282 ./strace-static-x86_64: Process 21282 attached [pid 21282] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21282] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21282] setpgid(0, 0) = 0 [pid 21282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21282] write(3, "1000", 4) = 4 [pid 21282] close(3) = 0 executing program [pid 21282] write(1, "executing program\n", 18) = 18 [pid 21282] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21282] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21282] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21282] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21282] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21282] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21282] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21283]}, 88) = 21283 [pid 21282] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21282] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21282] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21283 attached [pid 21283] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21283] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21283] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21283] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21282] <... futex resumed>) = 0 [pid 21282] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21282] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21283] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21283] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21282] <... futex resumed>) = 0 [pid 21282] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21282] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21283] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21283] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21282] <... futex resumed>) = 0 [pid 21282] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21282] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21283] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21283] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21282] <... futex resumed>) = 0 [pid 21282] exit_group(0) = ? [pid 21283] +++ exited with 0 +++ [pid 21282] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21282, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21284 ./strace-static-x86_64: Process 21284 attached [pid 21284] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21284] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21284] setpgid(0, 0) = 0 [pid 21284] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21284] write(3, "1000", 4) = 4 [pid 21284] close(3executing program ) = 0 [pid 21284] write(1, "executing program\n", 18) = 18 [pid 21284] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21284] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21284] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21284] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21284] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21284] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21284] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21285 attached => {parent_tid=[21285]}, 88) = 21285 [pid 21285] set_robust_list(0x7f5486a549a0, 24 [pid 21284] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21284] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21284] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21285] <... set_robust_list resumed>) = 0 [pid 21285] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21285] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21285] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21284] <... futex resumed>) = 0 [pid 21284] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21284] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21285] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21285] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21284] <... futex resumed>) = 0 [pid 21284] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21284] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21285] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21285] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21284] <... futex resumed>) = 0 [pid 21284] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21284] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21285] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21285] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21284] <... futex resumed>) = 0 [pid 21284] exit_group(0) = ? [pid 21285] +++ exited with 0 +++ [pid 21284] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21284, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21286 ./strace-static-x86_64: Process 21286 attached [pid 21286] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21286] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21286] setpgid(0, 0) = 0 [pid 21286] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21286] write(3, "1000", 4) = 4 [pid 21286] close(3) = 0 [pid 21286] write(1, "executing program\n", 18executing program ) = 18 [pid 21286] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21286] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21286] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21286] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21286] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21286] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21286] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21287]}, 88) = 21287 [pid 21286] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21286] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21286] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21287 attached [pid 21287] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21287] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21287] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21287] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21286] <... futex resumed>) = 0 [pid 21286] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21286] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21287] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21287] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21286] <... futex resumed>) = 0 [pid 21286] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21286] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21287] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21287] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21286] <... futex resumed>) = 0 [pid 21286] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21286] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21287] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21287] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21286] <... futex resumed>) = 0 [pid 21286] exit_group(0) = ? [pid 21287] +++ exited with 0 +++ [pid 21286] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21286, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21288 attached , child_tidptr=0x55557e841690) = 21288 [pid 21288] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21288] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21288] setpgid(0, 0) = 0 [pid 21288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21288] write(3, "1000", 4) = 4 [pid 21288] close(3) = 0 [pid 21288] write(1, "executing program\n", 18executing program ) = 18 [pid 21288] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21288] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21288] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21288] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21288] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21288] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21288] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21289 attached [pid 21289] set_robust_list(0x7f5486a549a0, 24 [pid 21288] <... clone3 resumed> => {parent_tid=[21289]}, 88) = 21289 [pid 21289] <... set_robust_list resumed>) = 0 [pid 21289] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21289] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21288] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21288] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21289] <... futex resumed>) = 0 [pid 21288] <... futex resumed>) = 1 [pid 21289] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21288] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21289] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21289] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21288] <... futex resumed>) = 0 [pid 21289] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21288] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21289] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21288] <... futex resumed>) = 0 [pid 21289] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21288] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21289] <... futex resumed>) = 0 [pid 21288] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21289] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21288] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21289] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21288] <... futex resumed>) = 0 [pid 21289] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21288] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21289] <... futex resumed>) = 0 [pid 21288] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21289] write(-1, "0x0000000000000001", 18 [pid 21288] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21289] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21288] <... futex resumed>) = 0 [pid 21289] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21288] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21289] <... futex resumed>) = 0 [pid 21288] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21289] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21288] exit_group(0 [pid 21289] <... futex resumed>) = ? [pid 21288] <... exit_group resumed>) = ? [pid 21289] +++ exited with 0 +++ [pid 21288] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21288, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21290 attached [pid 21290] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21290] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21290] setpgid(0, 0) = 0 [pid 21290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 21290 [pid 21290] <... openat resumed>) = 3 [pid 21290] write(3, "1000", 4) = 4 [pid 21290] close(3executing program ) = 0 [pid 21290] write(1, "executing program\n", 18) = 18 [pid 21290] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21290] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21290] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21290] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21290] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21290] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21290] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21291 attached => {parent_tid=[21291]}, 88) = 21291 [pid 21290] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21290] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21290] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21291] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21291] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21291] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21291] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21290] <... futex resumed>) = 0 [pid 21290] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21290] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21291] <... futex resumed>) = 1 [pid 21291] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21291] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21290] <... futex resumed>) = 0 [pid 21290] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21290] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21291] <... futex resumed>) = 1 [pid 21291] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21291] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21290] <... futex resumed>) = 0 [pid 21290] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21290] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21291] <... futex resumed>) = 1 [pid 21291] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21291] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21290] <... futex resumed>) = 0 [pid 21290] exit_group(0) = ? [pid 21291] <... futex resumed>) = ? [pid 21291] +++ exited with 0 +++ [pid 21290] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21290, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21292 ./strace-static-x86_64: Process 21292 attached [pid 21292] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21292] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21292] setpgid(0, 0) = 0 [pid 21292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21292] write(3, "1000", 4) = 4 [pid 21292] close(3) = 0 [pid 21292] write(1, "executing program\n", 18executing program ) = 18 [pid 21292] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21292] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21292] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21292] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21292] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21292] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21292] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21293 attached => {parent_tid=[21293]}, 88) = 21293 [pid 21293] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21293] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21293] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21292] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21292] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21293] <... futex resumed>) = 0 [pid 21293] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21292] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21293] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21293] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21293] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21292] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21292] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21293] <... futex resumed>) = 0 [pid 21293] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21292] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21293] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21293] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21292] <... futex resumed>) = 0 [pid 21292] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21292] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21293] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21293] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21292] <... futex resumed>) = 0 [pid 21292] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21292] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21293] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21293] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21292] <... futex resumed>) = 0 [pid 21292] exit_group(0) = ? [pid 21293] +++ exited with 0 +++ [pid 21292] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21292, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21294 attached , child_tidptr=0x55557e841690) = 21294 [pid 21294] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21294] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21294] setpgid(0, 0) = 0 [pid 21294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21294] write(3, "1000", 4) = 4 [pid 21294] close(3) = 0 [pid 21294] write(1, "executing program\n", 18executing program ) = 18 [pid 21294] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21294] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21294] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21294] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21294] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21294] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21294] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21295 attached [pid 21295] set_robust_list(0x7f5486a549a0, 24 [pid 21294] <... clone3 resumed> => {parent_tid=[21295]}, 88) = 21295 [pid 21295] <... set_robust_list resumed>) = 0 [pid 21294] rt_sigprocmask(SIG_SETMASK, [], [pid 21295] rt_sigprocmask(SIG_SETMASK, [], [pid 21294] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21295] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21294] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21295] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21294] <... futex resumed>) = 0 [pid 21295] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21294] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21295] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21294] <... futex resumed>) = 0 [pid 21295] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21294] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21295] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21294] <... futex resumed>) = 0 [pid 21295] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21294] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21295] <... futex resumed>) = 0 [pid 21294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21295] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21294] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21295] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21294] <... futex resumed>) = 0 [pid 21295] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21294] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21295] <... futex resumed>) = 0 [pid 21294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21295] write(-1, "0x0000000000000001", 18 [pid 21294] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21295] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21294] <... futex resumed>) = 0 [pid 21295] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21294] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21295] <... futex resumed>) = 0 [pid 21294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21295] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21294] exit_group(0 [pid 21295] <... futex resumed>) = ? [pid 21294] <... exit_group resumed>) = ? [pid 21295] +++ exited with 0 +++ [pid 21294] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21294, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21296 attached , child_tidptr=0x55557e841690) = 21296 [pid 21296] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21296] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21296] setpgid(0, 0) = 0 [pid 21296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21296] write(3, "1000", 4) = 4 [pid 21296] close(3) = 0 [pid 21296] write(1, "executing program\n", 18executing program ) = 18 [pid 21296] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21296] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21296] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21296] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21296] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21296] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21296] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21297 attached => {parent_tid=[21297]}, 88) = 21297 [pid 21297] set_robust_list(0x7f5486a549a0, 24 [pid 21296] rt_sigprocmask(SIG_SETMASK, [], [pid 21297] <... set_robust_list resumed>) = 0 [pid 21296] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21297] rt_sigprocmask(SIG_SETMASK, [], [pid 21296] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21297] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21296] <... futex resumed>) = 0 [pid 21297] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21296] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21297] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21297] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21296] <... futex resumed>) = 0 [pid 21297] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21296] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21297] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21296] <... futex resumed>) = 0 [pid 21297] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21296] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21297] <... futex resumed>) = 0 [pid 21296] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21297] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21296] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21297] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21296] <... futex resumed>) = 0 [pid 21297] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21296] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21297] <... futex resumed>) = 0 [pid 21296] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21297] write(-1, "0x0000000000000001", 18 [pid 21296] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21297] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21296] <... futex resumed>) = 0 [pid 21297] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21296] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21297] <... futex resumed>) = 0 [pid 21296] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21297] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21296] exit_group(0 [pid 21297] <... futex resumed>) = ? [pid 21296] <... exit_group resumed>) = ? [pid 21297] +++ exited with 0 +++ [pid 21296] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21296, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21298 attached , child_tidptr=0x55557e841690) = 21298 [pid 21298] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21298] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21298] setpgid(0, 0) = 0 [pid 21298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21298] write(3, "1000", 4) = 4 [pid 21298] close(3executing program ) = 0 [pid 21298] write(1, "executing program\n", 18) = 18 [pid 21298] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21298] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21298] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21298] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21298] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21298] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21298] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21299 attached => {parent_tid=[21299]}, 88) = 21299 [pid 21298] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21298] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21298] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21299] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21299] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21299] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21299] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21298] <... futex resumed>) = 0 [pid 21298] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21298] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21299] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21299] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21298] <... futex resumed>) = 0 [pid 21298] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21298] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21299] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21299] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21298] <... futex resumed>) = 0 [pid 21298] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21298] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21299] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21299] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21298] <... futex resumed>) = 0 [pid 21298] exit_group(0) = ? [pid 21299] +++ exited with 0 +++ [pid 21298] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21298, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21300 attached , child_tidptr=0x55557e841690) = 21300 [pid 21300] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21300] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21300] setpgid(0, 0) = 0 [pid 21300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21300] write(3, "1000", 4) = 4 [pid 21300] close(3) = 0 [pid 21300] write(1, "executing program\n", 18executing program ) = 18 [pid 21300] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21300] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21300] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21300] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21300] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21300] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21300] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21301 attached [pid 21301] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21301] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21301] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21300] <... clone3 resumed> => {parent_tid=[21301]}, 88) = 21301 [pid 21300] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21300] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21300] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21301] <... futex resumed>) = 0 [pid 21301] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21301] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21300] <... futex resumed>) = 0 [pid 21300] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21300] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21301] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21301] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21300] <... futex resumed>) = 0 [pid 21300] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21300] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21301] <... futex resumed>) = 1 [pid 21301] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21301] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21300] <... futex resumed>) = 0 [pid 21300] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21300] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21301] <... futex resumed>) = 1 [pid 21301] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21301] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21300] <... futex resumed>) = 0 [pid 21300] exit_group(0) = ? [pid 21301] <... futex resumed>) = ? [pid 21301] +++ exited with 0 +++ [pid 21300] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21300, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21302 ./strace-static-x86_64: Process 21302 attached [pid 21302] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21302] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21302] setpgid(0, 0) = 0 [pid 21302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21302] write(3, "1000", 4) = 4 [pid 21302] close(3) = 0 [pid 21302] write(1, "executing program\n", 18executing program ) = 18 [pid 21302] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21302] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21302] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21302] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21302] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21302] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21302] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21303]}, 88) = 21303 [pid 21302] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21302] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21302] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21303 attached [pid 21303] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21303] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21303] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21303] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21302] <... futex resumed>) = 0 [pid 21302] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21302] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21303] <... futex resumed>) = 1 [pid 21303] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21303] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21302] <... futex resumed>) = 0 [pid 21302] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21302] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21303] <... futex resumed>) = 1 [pid 21303] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21303] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21302] <... futex resumed>) = 0 [pid 21302] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21302] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21303] <... futex resumed>) = 1 [pid 21303] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21303] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21302] <... futex resumed>) = 0 [pid 21302] exit_group(0) = ? [pid 21303] <... futex resumed>) = ? [pid 21303] +++ exited with 0 +++ [pid 21302] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21302, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21304 attached , child_tidptr=0x55557e841690) = 21304 [pid 21304] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21304] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21304] setpgid(0, 0) = 0 [pid 21304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21304] write(3, "1000", 4) = 4 [pid 21304] close(3) = 0 [pid 21304] write(1, "executing program\n", 18executing program ) = 18 [pid 21304] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21304] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21304] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21304] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21304] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21304] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21305]}, 88) = 21305 [pid 21304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21304] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21304] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21305 attached [pid 21305] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21305] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21305] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21304] <... futex resumed>) = 0 [pid 21304] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21304] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21305] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21305] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21304] <... futex resumed>) = 0 [pid 21304] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21304] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21305] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21305] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21304] <... futex resumed>) = 0 [pid 21304] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21304] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21305] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21305] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21304] <... futex resumed>) = 0 [pid 21304] exit_group(0) = ? [pid 21305] +++ exited with 0 +++ [pid 21304] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21304, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21306 attached [pid 21306] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21306] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21306] setpgid(0, 0) = 0 [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 21306 [pid 21306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21306] write(3, "1000", 4) = 4 [pid 21306] close(3) = 0 [pid 21306] write(1, "executing program\n", 18executing program ) = 18 [pid 21306] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21306] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21306] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21306] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21306] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21306] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21307]}, 88) = 21307 [pid 21306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21306] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21306] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21307 attached [pid 21307] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21307] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21307] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21306] <... futex resumed>) = 0 [pid 21306] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21306] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21307] <... futex resumed>) = 1 [pid 21307] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21307] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21306] <... futex resumed>) = 0 [pid 21306] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21306] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21307] <... futex resumed>) = 1 [pid 21307] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21307] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21306] <... futex resumed>) = 0 [pid 21306] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21306] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21307] <... futex resumed>) = 1 [pid 21307] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21307] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21306] <... futex resumed>) = 0 [pid 21306] exit_group(0) = ? [pid 21307] <... futex resumed>) = ? [pid 21307] +++ exited with 0 +++ [pid 21306] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21306, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21308 ./strace-static-x86_64: Process 21308 attached [pid 21308] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21308] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21308] setpgid(0, 0) = 0 [pid 21308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21308] write(3, "1000", 4) = 4 [pid 21308] close(3) = 0 executing program [pid 21308] write(1, "executing program\n", 18) = 18 [pid 21308] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21308] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21308] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21308] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21308] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21308] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21309 attached => {parent_tid=[21309]}, 88) = 21309 [pid 21309] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21309] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21308] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21308] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21309] <... futex resumed>) = 0 [pid 21309] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21309] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21309] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21308] <... futex resumed>) = 0 [pid 21308] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21308] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21309] <... futex resumed>) = 0 [pid 21309] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21309] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21308] <... futex resumed>) = 0 [pid 21308] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21308] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21309] <... futex resumed>) = 1 [pid 21309] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21309] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21308] <... futex resumed>) = 0 [pid 21308] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21308] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21309] <... futex resumed>) = 1 [pid 21309] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21309] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21308] <... futex resumed>) = 0 [pid 21308] exit_group(0) = ? [pid 21309] <... futex resumed>) = ? [pid 21309] +++ exited with 0 +++ [pid 21308] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21308, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21310 ./strace-static-x86_64: Process 21310 attached [pid 21310] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21310] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21310] setpgid(0, 0) = 0 [pid 21310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21310] write(3, "1000", 4) = 4 [pid 21310] close(3) = 0 [pid 21310] write(1, "executing program\n", 18executing program ) = 18 [pid 21310] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21310] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21310] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21310] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21310] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21310] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21311]}, 88) = 21311 [pid 21310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21310] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21310] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21311 attached [pid 21311] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21311] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21311] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21311] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21310] <... futex resumed>) = 0 [pid 21310] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21310] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21311] <... futex resumed>) = 1 [pid 21311] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21311] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21310] <... futex resumed>) = 0 [pid 21310] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21310] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21311] <... futex resumed>) = 1 [pid 21311] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21311] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21310] <... futex resumed>) = 0 [pid 21310] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21310] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21311] <... futex resumed>) = 1 [pid 21311] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21311] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21310] <... futex resumed>) = 0 [pid 21310] exit_group(0) = ? [pid 21311] <... futex resumed>) = ? [pid 21311] +++ exited with 0 +++ [pid 21310] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21310, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21312 attached , child_tidptr=0x55557e841690) = 21312 [pid 21312] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21312] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21312] setpgid(0, 0) = 0 [pid 21312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21312] write(3, "1000", 4) = 4 [pid 21312] close(3) = 0 executing program [pid 21312] write(1, "executing program\n", 18) = 18 [pid 21312] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21312] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21312] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21312] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21312] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21312] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21313]}, 88) = 21313 [pid 21312] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 21313 attached NULL, 8) = 0 [pid 21312] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21312] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21313] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21313] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21313] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21313] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21312] <... futex resumed>) = 0 [pid 21312] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21312] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21313] <... futex resumed>) = 0 [pid 21313] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21313] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21312] <... futex resumed>) = 0 [pid 21312] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21312] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21313] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21313] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21312] <... futex resumed>) = 0 [pid 21312] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21312] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21313] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21313] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21312] <... futex resumed>) = 0 [pid 21312] exit_group(0) = ? [pid 21313] +++ exited with 0 +++ [pid 21312] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21312, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21314 attached , child_tidptr=0x55557e841690) = 21314 [pid 21314] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21314] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21314] setpgid(0, 0) = 0 [pid 21314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21314] write(3, "1000", 4) = 4 [pid 21314] close(3) = 0 executing program [pid 21314] write(1, "executing program\n", 18) = 18 [pid 21314] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21314] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21314] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21314] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21314] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21314] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21315 attached => {parent_tid=[21315]}, 88) = 21315 [pid 21314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21314] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21314] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21315] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21315] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21315] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21314] <... futex resumed>) = 0 [pid 21314] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21314] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21315] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21315] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21314] <... futex resumed>) = 0 [pid 21314] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21314] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21315] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21315] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21314] <... futex resumed>) = 0 [pid 21314] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21314] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21315] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21315] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21314] <... futex resumed>) = 0 [pid 21314] exit_group(0) = ? [pid 21315] +++ exited with 0 +++ [pid 21314] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21314, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21316 attached , child_tidptr=0x55557e841690) = 21316 [pid 21316] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21316] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21316] setpgid(0, 0) = 0 [pid 21316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21316] write(3, "1000", 4) = 4 executing program [pid 21316] close(3) = 0 [pid 21316] write(1, "executing program\n", 18) = 18 [pid 21316] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21316] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21316] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21316] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21316] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21316] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21316] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21317]}, 88) = 21317 [pid 21316] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21316] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21316] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21317 attached [pid 21317] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21317] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21317] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21317] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21316] <... futex resumed>) = 0 [pid 21316] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21316] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21317] <... futex resumed>) = 1 [pid 21317] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21317] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21316] <... futex resumed>) = 0 [pid 21316] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21316] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21317] <... futex resumed>) = 1 [pid 21317] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21317] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21316] <... futex resumed>) = 0 [pid 21316] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21316] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21317] <... futex resumed>) = 1 [pid 21317] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21317] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21316] <... futex resumed>) = 0 [pid 21316] exit_group(0) = ? [pid 21317] <... futex resumed>) = ? [pid 21317] +++ exited with 0 +++ [pid 21316] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21316, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21318 attached , child_tidptr=0x55557e841690) = 21318 [pid 21318] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21318] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21318] setpgid(0, 0) = 0 [pid 21318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21318] write(3, "1000", 4) = 4 [pid 21318] close(3) = 0 executing program [pid 21318] write(1, "executing program\n", 18) = 18 [pid 21318] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21318] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21318] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21318] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21318] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21318] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21318] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21319 attached => {parent_tid=[21319]}, 88) = 21319 [pid 21318] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21318] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21318] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21319] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21319] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21319] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21319] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21318] <... futex resumed>) = 0 [pid 21318] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21318] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21319] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21319] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21318] <... futex resumed>) = 0 [pid 21318] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21318] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21319] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21319] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21318] <... futex resumed>) = 0 [pid 21318] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21318] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21319] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21319] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21318] <... futex resumed>) = 0 [pid 21318] exit_group(0) = ? [pid 21319] +++ exited with 0 +++ [pid 21318] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21318, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21320 ./strace-static-x86_64: Process 21320 attached [pid 21320] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21320] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21320] setpgid(0, 0) = 0 [pid 21320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21320] write(3, "1000", 4executing program ) = 4 [pid 21320] close(3) = 0 [pid 21320] write(1, "executing program\n", 18) = 18 [pid 21320] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21320] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21320] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21320] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21320] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21320] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21320] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21321 attached => {parent_tid=[21321]}, 88) = 21321 [pid 21321] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21321] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21321] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21320] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21320] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21320] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21321] <... futex resumed>) = 0 [pid 21321] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21321] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21320] <... futex resumed>) = 0 [pid 21320] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21320] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21321] <... futex resumed>) = 1 [pid 21321] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21321] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21320] <... futex resumed>) = 0 [pid 21320] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21320] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21321] <... futex resumed>) = 1 [pid 21321] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21321] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21320] <... futex resumed>) = 0 [pid 21320] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21320] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21321] <... futex resumed>) = 1 [pid 21321] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21321] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21320] <... futex resumed>) = 0 [pid 21320] exit_group(0) = ? [pid 21321] <... futex resumed>) = ? [pid 21321] +++ exited with 0 +++ [pid 21320] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21320, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21322 attached , child_tidptr=0x55557e841690) = 21322 [pid 21322] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21322] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21322] setpgid(0, 0) = 0 [pid 21322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21322] write(3, "1000", 4) = 4 [pid 21322] close(3) = 0 [pid 21322] write(1, "executing program\n", 18executing program ) = 18 [pid 21322] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21322] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21322] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21322] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21322] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21322] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21322] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21323 attached => {parent_tid=[21323]}, 88) = 21323 [pid 21322] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21322] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21322] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21323] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21323] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21323] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21323] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21322] <... futex resumed>) = 0 [pid 21322] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21322] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21323] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21323] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21322] <... futex resumed>) = 0 [pid 21322] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21322] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21323] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21323] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21322] <... futex resumed>) = 0 [pid 21322] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21322] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21323] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21323] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21322] <... futex resumed>) = 0 [pid 21322] exit_group(0) = ? [pid 21323] +++ exited with 0 +++ [pid 21322] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21322, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21324 attached , child_tidptr=0x55557e841690) = 21324 [pid 21324] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21324] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21324] setpgid(0, 0) = 0 [pid 21324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21324] write(3, "1000", 4) = 4 [pid 21324] close(3) = 0 executing program [pid 21324] write(1, "executing program\n", 18) = 18 [pid 21324] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21324] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21324] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21324] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21324] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21324] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21324] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21325]}, 88) = 21325 [pid 21324] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21324] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21324] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21325 attached [pid 21325] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21325] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21325] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21325] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21324] <... futex resumed>) = 0 [pid 21324] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21324] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21325] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21325] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21324] <... futex resumed>) = 0 [pid 21324] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21324] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21325] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21325] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21324] <... futex resumed>) = 0 [pid 21324] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21324] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21325] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21325] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21324] <... futex resumed>) = 0 [pid 21324] exit_group(0) = ? [pid 21325] +++ exited with 0 +++ [pid 21324] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21324, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21326 attached [pid 21326] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21326] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21326] setpgid(0, 0) = 0 [pid 21326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 21326 [pid 21326] <... openat resumed>) = 3 [pid 21326] write(3, "1000", 4) = 4 [pid 21326] close(3) = 0 [pid 21326] write(1, "executing program\n", 18executing program ) = 18 [pid 21326] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21326] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21326] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21326] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21326] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21326] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21326] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21327 attached => {parent_tid=[21327]}, 88) = 21327 [pid 21326] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21326] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21326] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21327] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21327] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21327] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21327] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21327] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21326] <... futex resumed>) = 0 [pid 21326] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21326] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21327] <... futex resumed>) = 0 [pid 21327] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21327] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21326] <... futex resumed>) = 0 [pid 21326] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21326] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21327] <... futex resumed>) = 1 [pid 21327] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21327] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21326] <... futex resumed>) = 0 [pid 21326] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21326] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21327] <... futex resumed>) = 1 [pid 21327] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21327] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21326] <... futex resumed>) = 0 [pid 21326] exit_group(0) = ? [pid 21327] <... futex resumed>) = ? [pid 21327] +++ exited with 0 +++ [pid 21326] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21326, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21328 attached [pid 21328] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21328] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21328] setpgid(0, 0) = 0 [pid 21328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 21328 [pid 21328] <... openat resumed>) = 3 [pid 21328] write(3, "1000", 4) = 4 [pid 21328] close(3executing program ) = 0 [pid 21328] write(1, "executing program\n", 18) = 18 [pid 21328] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21328] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21328] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21328] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21328] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21328] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21328] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21329]}, 88) = 21329 [pid 21328] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21328] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21328] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21329 attached [pid 21329] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21329] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21329] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21329] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21328] <... futex resumed>) = 0 [pid 21328] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21328] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21329] <... futex resumed>) = 1 [pid 21329] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21329] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21328] <... futex resumed>) = 0 [pid 21328] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21328] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21329] <... futex resumed>) = 1 [pid 21329] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21329] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21328] <... futex resumed>) = 0 [pid 21328] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21328] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21329] <... futex resumed>) = 1 [pid 21329] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21329] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21328] <... futex resumed>) = 0 [pid 21328] exit_group(0) = ? [pid 21329] <... futex resumed>) = ? [pid 21329] +++ exited with 0 +++ [pid 21328] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21328, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21330 attached , child_tidptr=0x55557e841690) = 21330 [pid 21330] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21330] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21330] setpgid(0, 0) = 0 [pid 21330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21330] write(3, "1000", 4) = 4 [pid 21330] close(3) = 0 [pid 21330] write(1, "executing program\n", 18executing program ) = 18 [pid 21330] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21330] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21330] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21330] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21330] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21330] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21330] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21331]}, 88) = 21331 ./strace-static-x86_64: Process 21331 attached [pid 21330] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21330] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21330] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21331] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21331] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21331] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21331] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21330] <... futex resumed>) = 0 [pid 21330] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21330] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21331] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21331] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21330] <... futex resumed>) = 0 [pid 21330] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21330] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21331] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21331] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21330] <... futex resumed>) = 0 [pid 21330] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21330] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21331] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21331] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21330] <... futex resumed>) = 0 [pid 21330] exit_group(0) = ? [pid 21331] +++ exited with 0 +++ [pid 21330] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21330, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21332 ./strace-static-x86_64: Process 21332 attached [pid 21332] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21332] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21332] setpgid(0, 0) = 0 [pid 21332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21332] write(3, "1000", 4) = 4 [pid 21332] close(3) = 0 executing program [pid 21332] write(1, "executing program\n", 18) = 18 [pid 21332] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21332] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21332] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21332] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21332] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21332] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21332] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21333]}, 88) = 21333 [pid 21332] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21332] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21332] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21333 attached [pid 21333] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21333] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21333] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21333] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21332] <... futex resumed>) = 0 [pid 21332] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21332] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21333] <... futex resumed>) = 1 [pid 21333] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21333] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21332] <... futex resumed>) = 0 [pid 21332] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21332] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21333] <... futex resumed>) = 1 [pid 21333] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21333] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21332] <... futex resumed>) = 0 [pid 21332] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21332] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21333] <... futex resumed>) = 1 [pid 21333] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21333] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21332] <... futex resumed>) = 0 [pid 21332] exit_group(0) = ? [pid 21333] <... futex resumed>) = ? [pid 21333] +++ exited with 0 +++ [pid 21332] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21332, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21334 ./strace-static-x86_64: Process 21334 attached [pid 21334] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21334] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21334] setpgid(0, 0) = 0 [pid 21334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21334] write(3, "1000", 4) = 4 [pid 21334] close(3) = 0 [pid 21334] write(1, "executing program\n", 18executing program ) = 18 [pid 21334] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21334] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21334] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21334] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21334] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21334] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21334] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21335]}, 88) = 21335 [pid 21334] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21334] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21334] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21335 attached [pid 21335] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21335] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21335] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21335] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21334] <... futex resumed>) = 0 [pid 21334] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21334] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21335] <... futex resumed>) = 1 [pid 21335] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21335] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21334] <... futex resumed>) = 0 [pid 21334] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21334] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21335] <... futex resumed>) = 1 [pid 21335] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21335] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21334] <... futex resumed>) = 0 [pid 21334] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21334] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21335] <... futex resumed>) = 1 [pid 21335] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21335] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21334] <... futex resumed>) = 0 [pid 21334] exit_group(0) = ? [pid 21335] <... futex resumed>) = ? [pid 21335] +++ exited with 0 +++ [pid 21334] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21334, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21336 ./strace-static-x86_64: Process 21336 attached [pid 21336] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21336] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21336] setpgid(0, 0) = 0 [pid 21336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21336] write(3, "1000", 4) = 4 [pid 21336] close(3executing program ) = 0 [pid 21336] write(1, "executing program\n", 18) = 18 [pid 21336] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21336] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21336] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21336] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21336] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21336] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21336] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21337 attached => {parent_tid=[21337]}, 88) = 21337 [pid 21337] set_robust_list(0x7f5486a549a0, 24 [pid 21336] rt_sigprocmask(SIG_SETMASK, [], [pid 21337] <... set_robust_list resumed>) = 0 [pid 21336] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21337] rt_sigprocmask(SIG_SETMASK, [], [pid 21336] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21337] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21336] <... futex resumed>) = 0 [pid 21337] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21336] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21337] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21337] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21336] <... futex resumed>) = 0 [pid 21336] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21336] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21337] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21337] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21336] <... futex resumed>) = 0 [pid 21336] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21336] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21337] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21337] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21336] <... futex resumed>) = 0 [pid 21336] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21336] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21337] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21337] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21336] <... futex resumed>) = 0 [pid 21336] exit_group(0) = ? [pid 21337] +++ exited with 0 +++ [pid 21336] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21336, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21338 ./strace-static-x86_64: Process 21338 attached [pid 21338] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21338] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21338] setpgid(0, 0) = 0 [pid 21338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21338] write(3, "1000", 4) = 4 [pid 21338] close(3) = 0 [pid 21338] write(1, "executing program\n", 18executing program ) = 18 [pid 21338] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21338] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21338] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21338] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21338] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21338] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21338] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21339 attached => {parent_tid=[21339]}, 88) = 21339 [pid 21338] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21338] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21338] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21339] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21339] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21339] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21339] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21338] <... futex resumed>) = 0 [pid 21338] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21338] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21339] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21339] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21338] <... futex resumed>) = 0 [pid 21338] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21338] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21339] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21339] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21338] <... futex resumed>) = 0 [pid 21338] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21338] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21339] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21339] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21338] <... futex resumed>) = 0 [pid 21338] exit_group(0) = ? [pid 21339] +++ exited with 0 +++ [pid 21338] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21338, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21340 attached , child_tidptr=0x55557e841690) = 21340 [pid 21340] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21340] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21340] setpgid(0, 0) = 0 [pid 21340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21340] write(3, "1000", 4) = 4 [pid 21340] close(3) = 0 executing program [pid 21340] write(1, "executing program\n", 18) = 18 [pid 21340] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21340] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21340] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21340] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21340] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21340] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21340] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21341]}, 88) = 21341 [pid 21340] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21340] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21340] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21341 attached [pid 21341] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21341] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21341] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21341] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21340] <... futex resumed>) = 0 [pid 21340] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21340] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21341] <... futex resumed>) = 1 [pid 21341] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21341] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21340] <... futex resumed>) = 0 [pid 21340] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21340] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21341] <... futex resumed>) = 1 [pid 21341] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21341] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21340] <... futex resumed>) = 0 [pid 21340] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21340] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21341] <... futex resumed>) = 1 [pid 21341] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21341] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21340] <... futex resumed>) = 0 [pid 21340] exit_group(0) = ? [pid 21341] <... futex resumed>) = ? [pid 21341] +++ exited with 0 +++ [pid 21340] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21340, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21342 attached , child_tidptr=0x55557e841690) = 21342 [pid 21342] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21342] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21342] setpgid(0, 0) = 0 [pid 21342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21342] write(3, "1000", 4) = 4 [pid 21342] close(3) = 0 [pid 21342] write(1, "executing program\n", 18executing program ) = 18 [pid 21342] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21342] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21342] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21342] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21342] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21342] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21342] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21343]}, 88) = 21343 ./strace-static-x86_64: Process 21343 attached [pid 21342] rt_sigprocmask(SIG_SETMASK, [], [pid 21343] set_robust_list(0x7f5486a549a0, 24 [pid 21342] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21343] <... set_robust_list resumed>) = 0 [pid 21343] rt_sigprocmask(SIG_SETMASK, [], [pid 21342] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21343] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21342] <... futex resumed>) = 0 [pid 21343] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21342] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21343] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21343] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21342] <... futex resumed>) = 0 [pid 21342] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21342] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21343] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21343] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21342] <... futex resumed>) = 0 [pid 21342] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21342] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21343] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21343] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21342] <... futex resumed>) = 0 [pid 21342] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21342] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21343] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21343] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21342] <... futex resumed>) = 0 [pid 21342] exit_group(0) = ? [pid 21343] +++ exited with 0 +++ [pid 21342] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21342, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21344 ./strace-static-x86_64: Process 21344 attached [pid 21344] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21344] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21344] setpgid(0, 0) = 0 [pid 21344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21344] write(3, "1000", 4) = 4 [pid 21344] close(3) = 0 [pid 21344] write(1, "executing program\n", 18executing program ) = 18 [pid 21344] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21344] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21344] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21344] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21344] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21344] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21344] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21346]}, 88) = 21346 [pid 21344] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21344] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21344] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21346 attached [pid 21346] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21346] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21346] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21346] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21344] <... futex resumed>) = 0 [pid 21344] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21344] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21346] <... futex resumed>) = 1 [pid 21346] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21346] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21344] <... futex resumed>) = 0 [pid 21344] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21344] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21346] <... futex resumed>) = 1 [pid 21346] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21346] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21344] <... futex resumed>) = 0 [pid 21344] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21344] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21346] <... futex resumed>) = 1 [pid 21346] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21346] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21344] <... futex resumed>) = 0 [pid 21344] exit_group(0) = ? [pid 21346] <... futex resumed>) = ? [pid 21346] +++ exited with 0 +++ [pid 21344] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21344, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21347 ./strace-static-x86_64: Process 21347 attached [pid 21347] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21347] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21347] setpgid(0, 0) = 0 [pid 21347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21347] write(3, "1000", 4) = 4 [pid 21347] close(3) = 0 executing program [pid 21347] write(1, "executing program\n", 18) = 18 [pid 21347] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21347] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21347] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21347] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21347] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21347] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21347] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21348]}, 88) = 21348 [pid 21347] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21347] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21347] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21348 attached [pid 21348] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21348] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21348] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21348] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21347] <... futex resumed>) = 0 [pid 21347] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21347] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21348] <... futex resumed>) = 1 [pid 21348] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21348] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21347] <... futex resumed>) = 0 [pid 21347] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21347] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21348] <... futex resumed>) = 1 [pid 21348] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21348] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21347] <... futex resumed>) = 0 [pid 21347] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21347] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21348] <... futex resumed>) = 1 [pid 21348] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21348] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21347] <... futex resumed>) = 0 [pid 21347] exit_group(0) = ? [pid 21348] <... futex resumed>) = ? [pid 21348] +++ exited with 0 +++ [pid 21347] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21347, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21349 ./strace-static-x86_64: Process 21349 attached [pid 21349] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21349] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21349] setpgid(0, 0) = 0 [pid 21349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21349] write(3, "1000", 4) = 4 [pid 21349] close(3) = 0 [pid 21349] write(1, "executing program\n", 18executing program ) = 18 [pid 21349] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21349] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21349] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21349] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21349] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21349] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21349] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21350]}, 88) = 21350 [pid 21349] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21349] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21349] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21350 attached [pid 21350] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21350] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21350] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21350] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21349] <... futex resumed>) = 0 [pid 21349] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21349] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21350] <... futex resumed>) = 1 [pid 21350] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21350] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21349] <... futex resumed>) = 0 [pid 21349] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21349] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21350] <... futex resumed>) = 1 [pid 21350] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21350] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21349] <... futex resumed>) = 0 [pid 21349] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21349] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21350] <... futex resumed>) = 1 [pid 21350] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21350] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21349] <... futex resumed>) = 0 [pid 21349] exit_group(0) = ? [pid 21350] <... futex resumed>) = ? [pid 21350] +++ exited with 0 +++ [pid 21349] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21349, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21351 ./strace-static-x86_64: Process 21351 attached [pid 21351] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21351] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21351] setpgid(0, 0) = 0 [pid 21351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21351] write(3, "1000", 4) = 4 [pid 21351] close(3executing program ) = 0 [pid 21351] write(1, "executing program\n", 18) = 18 [pid 21351] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21351] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21351] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21351] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21351] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21351] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21351] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21352]}, 88) = 21352 [pid 21351] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21351] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21351] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21352 attached [pid 21352] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21352] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21352] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21352] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21351] <... futex resumed>) = 0 [pid 21351] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21351] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21352] <... futex resumed>) = 1 [pid 21352] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21352] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21351] <... futex resumed>) = 0 [pid 21351] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21351] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21352] <... futex resumed>) = 1 [pid 21352] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21352] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21351] <... futex resumed>) = 0 [pid 21351] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21351] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21352] <... futex resumed>) = 1 [pid 21352] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21352] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21351] <... futex resumed>) = 0 [pid 21351] exit_group(0) = ? [pid 21352] <... futex resumed>) = ? [pid 21352] +++ exited with 0 +++ [pid 21351] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21351, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21353 ./strace-static-x86_64: Process 21353 attached [pid 21353] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21353] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21353] setpgid(0, 0) = 0 [pid 21353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21353] write(3, "1000", 4) = 4 [pid 21353] close(3) = 0 executing program [pid 21353] write(1, "executing program\n", 18) = 18 [pid 21353] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21353] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21353] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21353] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21353] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21353] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21353] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21354]}, 88) = 21354 [pid 21353] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21353] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21353] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21354 attached [pid 21354] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21354] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21354] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21354] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21353] <... futex resumed>) = 0 [pid 21353] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21353] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21354] <... futex resumed>) = 1 [pid 21354] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21354] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21353] <... futex resumed>) = 0 [pid 21353] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21353] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21354] <... futex resumed>) = 1 [pid 21354] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21354] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21353] <... futex resumed>) = 0 [pid 21353] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21353] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21354] <... futex resumed>) = 1 [pid 21354] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21354] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21353] <... futex resumed>) = 0 [pid 21353] exit_group(0) = ? [pid 21354] <... futex resumed>) = ? [pid 21354] +++ exited with 0 +++ [pid 21353] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21353, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21355 ./strace-static-x86_64: Process 21355 attached [pid 21355] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21355] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21355] setpgid(0, 0) = 0 [pid 21355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21355] write(3, "1000", 4) = 4 executing program [pid 21355] close(3) = 0 [pid 21355] write(1, "executing program\n", 18) = 18 [pid 21355] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21355] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21355] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21355] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21355] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21355] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21355] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21356 attached => {parent_tid=[21356]}, 88) = 21356 [pid 21356] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21356] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21356] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21355] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21355] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21356] <... futex resumed>) = 0 [pid 21356] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21355] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21356] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21356] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21355] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21356] <... futex resumed>) = 0 [pid 21355] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21356] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21355] <... futex resumed>) = 0 [pid 21356] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21355] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21356] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21355] <... futex resumed>) = 0 [pid 21355] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21355] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21356] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21356] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21355] <... futex resumed>) = 0 [pid 21355] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21355] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21356] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21356] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21355] <... futex resumed>) = 0 [pid 21355] exit_group(0) = ? [pid 21356] +++ exited with 0 +++ [pid 21355] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21355, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21357 attached , child_tidptr=0x55557e841690) = 21357 [pid 21357] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21357] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21357] setpgid(0, 0) = 0 [pid 21357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21357] write(3, "1000", 4) = 4 [pid 21357] close(3) = 0 executing program [pid 21357] write(1, "executing program\n", 18) = 18 [pid 21357] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21357] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21357] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21357] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21357] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21357] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21357] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21358 attached => {parent_tid=[21358]}, 88) = 21358 [pid 21357] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21357] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21357] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21358] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21358] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21358] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21358] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21357] <... futex resumed>) = 0 [pid 21357] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21357] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21358] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21358] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21357] <... futex resumed>) = 0 [pid 21357] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21357] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21358] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21358] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21357] <... futex resumed>) = 0 [pid 21357] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21357] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21358] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21358] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21357] <... futex resumed>) = 0 [pid 21357] exit_group(0) = ? [pid 21358] +++ exited with 0 +++ [pid 21357] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21357, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21359 attached [pid 21359] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21359] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21359] setpgid(0, 0) = 0 [pid 21359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 21359 [pid 21359] <... openat resumed>) = 3 [pid 21359] write(3, "1000", 4) = 4 [pid 21359] close(3executing program ) = 0 [pid 21359] write(1, "executing program\n", 18) = 18 [pid 21359] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21359] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21359] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21359] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21359] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21359] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21359] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21360]}, 88) = 21360 ./strace-static-x86_64: Process 21360 attached [pid 21359] rt_sigprocmask(SIG_SETMASK, [], [pid 21360] set_robust_list(0x7f5486a549a0, 24 [pid 21359] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21360] <... set_robust_list resumed>) = 0 [pid 21359] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21360] rt_sigprocmask(SIG_SETMASK, [], [pid 21359] <... futex resumed>) = 0 [pid 21360] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21359] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21360] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21360] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21359] <... futex resumed>) = 0 [pid 21359] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21359] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21360] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21360] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21359] <... futex resumed>) = 0 [pid 21359] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21359] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21360] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21360] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21359] <... futex resumed>) = 0 [pid 21359] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21359] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21360] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21360] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21359] <... futex resumed>) = 0 [pid 21359] exit_group(0) = ? [pid 21360] +++ exited with 0 +++ [pid 21359] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21359, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21361 ./strace-static-x86_64: Process 21361 attached [pid 21361] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21361] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21361] setpgid(0, 0) = 0 [pid 21361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21361] write(3, "1000", 4) = 4 [pid 21361] close(3) = 0 [pid 21361] write(1, "executing program\n", 18executing program ) = 18 [pid 21361] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21361] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21361] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21361] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21361] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21361] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21361] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21362 attached => {parent_tid=[21362]}, 88) = 21362 [pid 21361] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21361] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21361] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21362] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21362] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21362] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21362] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21361] <... futex resumed>) = 0 [pid 21362] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21361] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21362] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21361] <... futex resumed>) = 0 [pid 21362] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21361] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21362] <... futex resumed>) = 0 [pid 21361] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21362] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21361] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21362] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21361] <... futex resumed>) = 0 [pid 21362] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21361] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21362] <... futex resumed>) = 0 [pid 21361] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21362] write(-1, "0x0000000000000001", 18 [pid 21361] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21361] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21362] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21362] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21361] <... futex resumed>) = 0 [pid 21362] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21361] exit_group(0 [pid 21362] <... futex resumed>) = ? [pid 21361] <... exit_group resumed>) = ? [pid 21362] +++ exited with 0 +++ [pid 21361] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21361, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21363 attached , child_tidptr=0x55557e841690) = 21363 [pid 21363] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21363] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21363] setpgid(0, 0) = 0 [pid 21363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21363] write(3, "1000", 4) = 4 [pid 21363] close(3) = 0 executing program [pid 21363] write(1, "executing program\n", 18) = 18 [pid 21363] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21363] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21363] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21363] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21363] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21363] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21363] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21364]}, 88) = 21364 ./strace-static-x86_64: Process 21364 attached [pid 21363] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21363] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21363] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21364] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21364] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21364] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21364] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21363] <... futex resumed>) = 0 [pid 21364] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21363] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21364] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21363] <... futex resumed>) = 0 [pid 21364] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21363] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21364] <... futex resumed>) = 0 [pid 21363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21364] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21363] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21364] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21363] <... futex resumed>) = 0 [pid 21364] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21363] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21364] <... futex resumed>) = 0 [pid 21363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21364] write(-1, "0x0000000000000001", 18 [pid 21363] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21364] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21363] <... futex resumed>) = 0 [pid 21364] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21363] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21364] <... futex resumed>) = 0 [pid 21363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21364] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21363] exit_group(0 [pid 21364] <... futex resumed>) = ? [pid 21363] <... exit_group resumed>) = ? [pid 21364] +++ exited with 0 +++ [pid 21363] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21363, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21365 ./strace-static-x86_64: Process 21365 attached [pid 21365] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21365] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21365] setpgid(0, 0) = 0 [pid 21365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21365] write(3, "1000", 4) = 4 [pid 21365] close(3) = 0 executing program [pid 21365] write(1, "executing program\n", 18) = 18 [pid 21365] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21365] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21365] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21365] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21365] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21365] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21365] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21366]}, 88) = 21366 [pid 21365] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21365] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21365] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21366 attached [pid 21366] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21366] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21366] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21366] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21365] <... futex resumed>) = 0 [pid 21365] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21365] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21366] <... futex resumed>) = 1 [pid 21366] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21366] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21365] <... futex resumed>) = 0 [pid 21365] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21365] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21366] <... futex resumed>) = 1 [pid 21366] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21366] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21365] <... futex resumed>) = 0 [pid 21365] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21365] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21366] <... futex resumed>) = 1 [pid 21366] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21366] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21365] <... futex resumed>) = 0 [pid 21365] exit_group(0) = ? [pid 21366] <... futex resumed>) = ? [pid 21366] +++ exited with 0 +++ [pid 21365] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21365, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21367 attached , child_tidptr=0x55557e841690) = 21367 [pid 21367] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21367] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21367] setpgid(0, 0) = 0 [pid 21367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21367] write(3, "1000", 4) = 4 executing program [pid 21367] close(3) = 0 [pid 21367] write(1, "executing program\n", 18) = 18 [pid 21367] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21367] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21367] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21367] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21367] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21367] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21367] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21368 attached => {parent_tid=[21368]}, 88) = 21368 [pid 21367] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21367] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21367] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21368] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21368] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21368] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21368] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21367] <... futex resumed>) = 0 [pid 21367] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21367] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21368] <... futex resumed>) = 1 [pid 21368] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21368] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21367] <... futex resumed>) = 0 [pid 21367] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21367] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21368] <... futex resumed>) = 1 [pid 21368] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21368] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21367] <... futex resumed>) = 0 [pid 21367] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21367] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21368] <... futex resumed>) = 1 [pid 21368] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21368] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21367] <... futex resumed>) = 0 [pid 21367] exit_group(0) = ? [pid 21368] <... futex resumed>) = ? [pid 21368] +++ exited with 0 +++ [pid 21367] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21367, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21369 attached , child_tidptr=0x55557e841690) = 21369 [pid 21369] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21369] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21369] setpgid(0, 0) = 0 [pid 21369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21369] write(3, "1000", 4) = 4 [pid 21369] close(3) = 0 [pid 21369] write(1, "executing program\n", 18executing program ) = 18 [pid 21369] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21369] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21369] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21369] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21369] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21369] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21369] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21370 attached => {parent_tid=[21370]}, 88) = 21370 [pid 21370] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21370] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21370] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21369] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21369] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21370] <... futex resumed>) = 0 [pid 21370] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21369] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21370] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21370] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21369] <... futex resumed>) = 0 [pid 21369] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21369] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21370] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21370] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21370] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21369] <... futex resumed>) = 0 [pid 21369] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21369] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21370] <... futex resumed>) = 0 [pid 21370] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21370] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21369] <... futex resumed>) = 0 [pid 21369] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21369] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21370] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21370] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21369] <... futex resumed>) = 0 [pid 21369] exit_group(0) = ? [pid 21370] +++ exited with 0 +++ [pid 21369] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21369, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21371 attached , child_tidptr=0x55557e841690) = 21371 [pid 21371] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21371] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21371] setpgid(0, 0) = 0 [pid 21371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21371] write(3, "1000", 4) = 4 [pid 21371] close(3) = 0 [pid 21371] write(1, "executing program\n", 18executing program ) = 18 [pid 21371] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21371] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21371] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21371] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21371] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21371] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21371] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21372 attached => {parent_tid=[21372]}, 88) = 21372 [pid 21371] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21371] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21371] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21372] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21372] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21372] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21372] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21371] <... futex resumed>) = 0 [pid 21371] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21371] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21372] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21372] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21371] <... futex resumed>) = 0 [pid 21371] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21371] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21372] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21372] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21371] <... futex resumed>) = 0 [pid 21371] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21371] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21372] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21372] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21371] <... futex resumed>) = 0 [pid 21371] exit_group(0) = ? [pid 21372] +++ exited with 0 +++ [pid 21371] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21371, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21373 attached , child_tidptr=0x55557e841690) = 21373 [pid 21373] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21373] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21373] setpgid(0, 0) = 0 [pid 21373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21373] write(3, "1000", 4) = 4 [pid 21373] close(3) = 0 [pid 21373] write(1, "executing program\n", 18executing program ) = 18 [pid 21373] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21373] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21373] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21373] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21373] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21373] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21373] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21374 attached => {parent_tid=[21374]}, 88) = 21374 [pid 21373] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21373] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21373] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21374] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21374] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21374] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21374] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21373] <... futex resumed>) = 0 [pid 21374] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21373] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21374] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21373] <... futex resumed>) = 0 [pid 21374] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21373] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21374] <... futex resumed>) = 0 [pid 21373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21374] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21373] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21374] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21373] <... futex resumed>) = 0 [pid 21374] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21373] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21374] <... futex resumed>) = 0 [pid 21373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21374] write(-1, "0x0000000000000001", 18 [pid 21373] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21374] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21373] <... futex resumed>) = 0 [pid 21374] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21373] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21374] <... futex resumed>) = 0 [pid 21373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21374] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21373] exit_group(0 [pid 21374] <... futex resumed>) = ? [pid 21373] <... exit_group resumed>) = ? [pid 21374] +++ exited with 0 +++ [pid 21373] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21373, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21375 attached , child_tidptr=0x55557e841690) = 21375 [pid 21375] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21375] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21375] setpgid(0, 0) = 0 [pid 21375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21375] write(3, "1000", 4) = 4 [pid 21375] close(3) = 0 executing program [pid 21375] write(1, "executing program\n", 18) = 18 [pid 21375] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21375] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21375] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21375] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21375] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21375] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21375] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21376 attached => {parent_tid=[21376]}, 88) = 21376 [pid 21375] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21375] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21375] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21376] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21376] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21376] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21376] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21375] <... futex resumed>) = 0 [pid 21375] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21375] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21376] <... futex resumed>) = 1 [pid 21376] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21376] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21375] <... futex resumed>) = 0 [pid 21375] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21375] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21376] <... futex resumed>) = 1 [pid 21376] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21376] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21375] <... futex resumed>) = 0 [pid 21375] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21375] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21376] <... futex resumed>) = 1 [pid 21376] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21376] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21375] <... futex resumed>) = 0 [pid 21375] exit_group(0) = ? [pid 21376] <... futex resumed>) = ? [pid 21376] +++ exited with 0 +++ [pid 21375] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21375, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21377 ./strace-static-x86_64: Process 21377 attached [pid 21377] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21377] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21377] setpgid(0, 0) = 0 [pid 21377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21377] write(3, "1000", 4) = 4 [pid 21377] close(3) = 0 [pid 21377] write(1, "executing program\n", 18executing program ) = 18 [pid 21377] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21377] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21377] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21377] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21377] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21377] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21377] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21378 attached => {parent_tid=[21378]}, 88) = 21378 [pid 21377] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21377] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21377] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21378] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21378] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21378] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21378] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21377] <... futex resumed>) = 0 [pid 21377] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21377] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21378] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21378] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21377] <... futex resumed>) = 0 [pid 21377] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21377] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21378] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21378] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21377] <... futex resumed>) = 0 [pid 21377] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21377] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21378] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21378] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21377] <... futex resumed>) = 0 [pid 21377] exit_group(0) = ? [pid 21378] +++ exited with 0 +++ [pid 21377] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21377, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21379 ./strace-static-x86_64: Process 21379 attached [pid 21379] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21379] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21379] setpgid(0, 0) = 0 [pid 21379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21379] write(3, "1000", 4) = 4 [pid 21379] close(3executing program ) = 0 [pid 21379] write(1, "executing program\n", 18) = 18 [pid 21379] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21379] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21379] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21379] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21379] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21379] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21380]}, 88) = 21380 ./strace-static-x86_64: Process 21380 attached [pid 21379] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21379] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21379] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21380] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21380] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21380] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21380] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21379] <... futex resumed>) = 0 [pid 21379] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21379] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21380] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21380] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21379] <... futex resumed>) = 0 [pid 21379] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21379] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21380] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21380] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21379] <... futex resumed>) = 0 [pid 21379] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21379] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21380] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21380] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21379] <... futex resumed>) = 0 [pid 21379] exit_group(0) = ? [pid 21380] +++ exited with 0 +++ [pid 21379] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21379, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21381 attached , child_tidptr=0x55557e841690) = 21381 [pid 21381] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21381] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21381] setpgid(0, 0) = 0 [pid 21381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21381] write(3, "1000", 4) = 4 [pid 21381] close(3) = 0 [pid 21381] write(1, "executing program\n", 18executing program ) = 18 [pid 21381] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21381] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21381] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21381] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21381] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21381] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21381] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21382]}, 88) = 21382 [pid 21381] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21381] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21381] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21382 attached [pid 21382] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21382] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21382] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21382] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21381] <... futex resumed>) = 0 [pid 21381] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21381] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21382] <... futex resumed>) = 1 [pid 21382] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21382] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21381] <... futex resumed>) = 0 [pid 21381] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21381] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21382] <... futex resumed>) = 1 [pid 21382] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21382] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21381] <... futex resumed>) = 0 [pid 21381] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21381] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21382] <... futex resumed>) = 1 [pid 21382] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21382] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21381] <... futex resumed>) = 0 [pid 21381] exit_group(0) = ? [pid 21382] <... futex resumed>) = ? [pid 21382] +++ exited with 0 +++ [pid 21381] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21381, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21383 ./strace-static-x86_64: Process 21383 attached [pid 21383] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21383] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21383] setpgid(0, 0) = 0 [pid 21383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21383] write(3, "1000", 4) = 4 [pid 21383] close(3) = 0 [pid 21383] write(1, "executing program\n", 18executing program ) = 18 [pid 21383] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21383] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21383] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21383] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21383] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21383] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21383] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21384 attached => {parent_tid=[21384]}, 88) = 21384 [pid 21383] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21383] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21383] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21384] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21384] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21384] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21384] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21383] <... futex resumed>) = 0 [pid 21383] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21383] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21384] <... futex resumed>) = 1 [pid 21384] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21384] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21383] <... futex resumed>) = 0 [pid 21383] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21383] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21384] <... futex resumed>) = 1 [pid 21384] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21384] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21383] <... futex resumed>) = 0 [pid 21383] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21383] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21384] <... futex resumed>) = 1 [pid 21384] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21384] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21383] <... futex resumed>) = 0 [pid 21383] exit_group(0) = ? [pid 21384] <... futex resumed>) = ? [pid 21384] +++ exited with 0 +++ [pid 21383] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21383, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21385 attached , child_tidptr=0x55557e841690) = 21385 [pid 21385] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21385] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21385] setpgid(0, 0) = 0 [pid 21385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21385] write(3, "1000", 4) = 4 [pid 21385] close(3) = 0 executing program [pid 21385] write(1, "executing program\n", 18) = 18 [pid 21385] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21385] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21385] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21385] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21385] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21385] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21385] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21386 attached => {parent_tid=[21386]}, 88) = 21386 [pid 21385] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21385] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21385] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21386] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21386] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21386] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21386] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21385] <... futex resumed>) = 0 [pid 21385] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21385] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21386] <... futex resumed>) = 1 [pid 21386] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21386] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21385] <... futex resumed>) = 0 [pid 21385] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21385] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21386] <... futex resumed>) = 1 [pid 21386] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21386] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21385] <... futex resumed>) = 0 [pid 21385] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21385] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21386] <... futex resumed>) = 1 [pid 21386] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21386] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21385] <... futex resumed>) = 0 [pid 21385] exit_group(0) = ? [pid 21386] <... futex resumed>) = ? [pid 21386] +++ exited with 0 +++ [pid 21385] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21385, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21387 attached [pid 21387] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21387] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21387] setpgid(0, 0) = 0 [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 21387 [pid 21387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21387] write(3, "1000", 4) = 4 [pid 21387] close(3) = 0 executing program [pid 21387] write(1, "executing program\n", 18) = 18 [pid 21387] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21387] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21387] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21387] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21387] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21387] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21388 attached [pid 21388] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21388] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21388] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21387] <... clone3 resumed> => {parent_tid=[21388]}, 88) = 21388 [pid 21387] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21387] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21388] <... futex resumed>) = 0 [pid 21388] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21387] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21388] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21388] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21387] <... futex resumed>) = 0 [pid 21387] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21388] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21387] <... futex resumed>) = 0 [pid 21388] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21387] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21388] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21387] <... futex resumed>) = 0 [pid 21387] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21387] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21388] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21388] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21387] <... futex resumed>) = 0 [pid 21387] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21387] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21388] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21388] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21387] <... futex resumed>) = 0 [pid 21387] exit_group(0) = ? [pid 21388] +++ exited with 0 +++ [pid 21387] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21387, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21389 attached [pid 21389] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21389] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 21389 [pid 21389] <... prctl resumed>) = 0 [pid 21389] setpgid(0, 0) = 0 [pid 21389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21389] write(3, "1000", 4) = 4 [pid 21389] close(3) = 0 [pid 21389] write(1, "executing program\n", 18) = 18 [pid 21389] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000executing program ) = 0 [pid 21389] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21389] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21389] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21389] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21389] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21389] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21390 attached => {parent_tid=[21390]}, 88) = 21390 [pid 21389] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21389] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21389] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21390] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21390] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21390] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21390] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21389] <... futex resumed>) = 0 [pid 21390] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21389] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21390] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21389] <... futex resumed>) = 0 [pid 21390] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21389] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21390] <... futex resumed>) = 0 [pid 21389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21390] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21389] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21390] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21389] <... futex resumed>) = 0 [pid 21390] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21389] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21390] <... futex resumed>) = 0 [pid 21389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21390] write(-1, "0x0000000000000001", 18 [pid 21389] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21390] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21389] <... futex resumed>) = 0 [pid 21390] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21389] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21390] <... futex resumed>) = 0 [pid 21389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21390] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21389] exit_group(0 [pid 21390] <... futex resumed>) = ? [pid 21389] <... exit_group resumed>) = ? [pid 21390] +++ exited with 0 +++ [pid 21389] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21389, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21391 ./strace-static-x86_64: Process 21391 attached [pid 21391] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21391] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21391] setpgid(0, 0) = 0 [pid 21391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21391] write(3, "1000", 4) = 4 executing program [pid 21391] close(3) = 0 [pid 21391] write(1, "executing program\n", 18) = 18 [pid 21391] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21391] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21391] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21391] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21391] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21391] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21391] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21392]}, 88) = 21392 [pid 21391] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21391] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21391] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21392 attached [pid 21392] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21392] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21392] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21392] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21391] <... futex resumed>) = 0 [pid 21391] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21391] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21392] <... futex resumed>) = 1 [pid 21392] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21392] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21391] <... futex resumed>) = 0 [pid 21391] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21391] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21392] <... futex resumed>) = 1 [pid 21392] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21392] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21391] <... futex resumed>) = 0 [pid 21391] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21391] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21392] <... futex resumed>) = 1 [pid 21392] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21392] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21391] <... futex resumed>) = 0 [pid 21391] exit_group(0) = ? [pid 21392] <... futex resumed>) = ? [pid 21392] +++ exited with 0 +++ [pid 21391] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21391, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21393 attached , child_tidptr=0x55557e841690) = 21393 [pid 21393] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21393] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21393] setpgid(0, 0) = 0 [pid 21393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21393] write(3, "1000", 4) = 4 [pid 21393] close(3) = 0 executing program [pid 21393] write(1, "executing program\n", 18) = 18 [pid 21393] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21393] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21393] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21393] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21393] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21393] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21393] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21394]}, 88) = 21394 ./strace-static-x86_64: Process 21394 attached [pid 21393] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21393] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21393] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21394] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21394] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21394] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21394] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21393] <... futex resumed>) = 0 [pid 21393] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21393] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21394] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21394] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21393] <... futex resumed>) = 0 [pid 21393] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21393] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21394] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21394] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21393] <... futex resumed>) = 0 [pid 21393] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21393] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21394] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21394] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21393] <... futex resumed>) = 0 [pid 21393] exit_group(0) = ? [pid 21394] +++ exited with 0 +++ [pid 21393] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21393, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21395 ./strace-static-x86_64: Process 21395 attached [pid 21395] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21395] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21395] setpgid(0, 0) = 0 [pid 21395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21395] write(3, "1000", 4) = 4 [pid 21395] close(3) = 0 [pid 21395] write(1, "executing program\n", 18executing program ) = 18 [pid 21395] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21395] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21395] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21395] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21395] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21395] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21395] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21396]}, 88) = 21396 ./strace-static-x86_64: Process 21396 attached [pid 21395] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21395] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21395] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21396] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21396] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21396] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21396] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21395] <... futex resumed>) = 0 [pid 21395] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21395] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21396] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21396] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21395] <... futex resumed>) = 0 [pid 21395] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21395] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21396] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21396] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21395] <... futex resumed>) = 0 [pid 21395] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21395] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21396] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21396] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21395] <... futex resumed>) = 0 [pid 21395] exit_group(0) = ? [pid 21396] +++ exited with 0 +++ [pid 21395] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21395, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21397 ./strace-static-x86_64: Process 21397 attached [pid 21397] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21397] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21397] setpgid(0, 0) = 0 [pid 21397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21397] write(3, "1000", 4) = 4 [pid 21397] close(3) = 0 executing program [pid 21397] write(1, "executing program\n", 18) = 18 [pid 21397] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21397] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21397] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21397] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21397] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21397] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21397] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21398]}, 88) = 21398 [pid 21397] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 21398 attached [pid 21398] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21398] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21398] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21397] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21398] <... futex resumed>) = 0 [pid 21398] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21397] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21398] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21398] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21398] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21397] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21398] <... futex resumed>) = 0 [pid 21398] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21397] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21398] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21398] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21397] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21398] <... futex resumed>) = 0 [pid 21398] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21397] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21398] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21397] <... futex resumed>) = 0 [pid 21397] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21397] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21398] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21398] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21397] <... futex resumed>) = 0 [pid 21398] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21397] exit_group(0 [pid 21398] <... futex resumed>) = ? [pid 21397] <... exit_group resumed>) = ? [pid 21398] +++ exited with 0 +++ [pid 21397] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21397, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21399 ./strace-static-x86_64: Process 21399 attached [pid 21399] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21399] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21399] setpgid(0, 0) = 0 [pid 21399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21399] write(3, "1000", 4) = 4 [pid 21399] close(3) = 0 executing program [pid 21399] write(1, "executing program\n", 18) = 18 [pid 21399] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21399] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21399] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21399] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21399] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21399] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21399] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21400]}, 88) = 21400 [pid 21399] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21399] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21399] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21400 attached [pid 21400] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21400] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21400] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21400] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21399] <... futex resumed>) = 0 [pid 21399] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21399] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21400] <... futex resumed>) = 1 [pid 21400] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21400] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21399] <... futex resumed>) = 0 [pid 21399] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21399] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21400] <... futex resumed>) = 1 [pid 21400] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21400] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21399] <... futex resumed>) = 0 [pid 21399] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21399] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21400] <... futex resumed>) = 1 [pid 21400] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21400] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21399] <... futex resumed>) = 0 [pid 21399] exit_group(0) = ? [pid 21400] <... futex resumed>) = ? [pid 21400] +++ exited with 0 +++ [pid 21399] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21399, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21401 ./strace-static-x86_64: Process 21401 attached [pid 21401] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21401] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21401] setpgid(0, 0) = 0 [pid 21401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21401] write(3, "1000", 4) = 4 [pid 21401] close(3) = 0 [pid 21401] write(1, "executing program\n", 18executing program ) = 18 [pid 21401] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21401] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21401] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21401] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21401] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21401] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21401] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21402]}, 88) = 21402 [pid 21401] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21401] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21401] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21402 attached [pid 21402] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21402] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21402] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21402] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21401] <... futex resumed>) = 0 [pid 21401] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21401] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21402] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21402] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21401] <... futex resumed>) = 0 [pid 21401] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21401] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21402] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21402] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21401] <... futex resumed>) = 0 [pid 21401] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21401] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21402] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21402] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21401] <... futex resumed>) = 0 [pid 21401] exit_group(0) = ? [pid 21402] +++ exited with 0 +++ [pid 21401] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21401, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21403 ./strace-static-x86_64: Process 21403 attached [pid 21403] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21403] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21403] setpgid(0, 0) = 0 [pid 21403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21403] write(3, "1000", 4) = 4 [pid 21403] close(3) = 0 executing program [pid 21403] write(1, "executing program\n", 18) = 18 [pid 21403] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21403] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21403] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21403] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21403] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21403] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21404]}, 88) = 21404 ./strace-static-x86_64: Process 21404 attached [pid 21404] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21404] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21404] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21403] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21403] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21404] <... futex resumed>) = 0 [pid 21404] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21404] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21404] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21403] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 21403] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21404] <... futex resumed>) = 0 [pid 21404] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21403] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21404] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21404] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21403] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21404] <... futex resumed>) = 0 [pid 21404] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21403] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21404] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21403] <... futex resumed>) = 0 [pid 21403] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21403] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21404] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21404] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21403] <... futex resumed>) = 0 [pid 21403] exit_group(0) = ? [pid 21404] +++ exited with 0 +++ [pid 21403] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21403, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21405 ./strace-static-x86_64: Process 21405 attached [pid 21405] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21405] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21405] setpgid(0, 0) = 0 [pid 21405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21405] write(3, "1000", 4) = 4 [pid 21405] close(3) = 0 executing program [pid 21405] write(1, "executing program\n", 18) = 18 [pid 21405] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21405] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21405] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21405] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21405] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21405] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21405] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21406]}, 88) = 21406 [pid 21405] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21405] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21405] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21406 attached [pid 21406] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21406] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21406] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21406] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21405] <... futex resumed>) = 0 [pid 21405] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21405] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21406] <... futex resumed>) = 1 [pid 21406] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21406] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21405] <... futex resumed>) = 0 [pid 21405] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21405] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21406] <... futex resumed>) = 1 [pid 21406] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21406] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21405] <... futex resumed>) = 0 [pid 21405] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21405] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21406] <... futex resumed>) = 1 [pid 21406] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21406] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21405] <... futex resumed>) = 0 [pid 21405] exit_group(0) = ? [pid 21406] <... futex resumed>) = ? [pid 21406] +++ exited with 0 +++ [pid 21405] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21405, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21407 attached , child_tidptr=0x55557e841690) = 21407 [pid 21407] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21407] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21407] setpgid(0, 0) = 0 [pid 21407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21407] write(3, "1000", 4) = 4 [pid 21407] close(3) = 0 [pid 21407] write(1, "executing program\n", 18executing program ) = 18 [pid 21407] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21407] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21407] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21407] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21407] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21407] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21407] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21408]}, 88) = 21408 ./strace-static-x86_64: Process 21408 attached [pid 21407] rt_sigprocmask(SIG_SETMASK, [], [pid 21408] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21408] rt_sigprocmask(SIG_SETMASK, [], [pid 21407] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21408] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21407] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21408] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21407] <... futex resumed>) = 0 [pid 21407] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21408] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21408] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21407] <... futex resumed>) = 0 [pid 21407] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21407] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21408] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21408] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21407] <... futex resumed>) = 0 [pid 21407] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21407] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21408] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21408] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21407] <... futex resumed>) = 0 [pid 21407] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21407] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21408] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21408] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21407] <... futex resumed>) = 0 [pid 21407] exit_group(0 [pid 21408] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21407] <... exit_group resumed>) = ? [pid 21408] <... futex resumed>) = ? [pid 21408] +++ exited with 0 +++ [pid 21407] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21407, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21409 attached [pid 21409] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21409] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21409] setpgid(0, 0) = 0 [pid 21409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 21409 [pid 21409] <... openat resumed>) = 3 [pid 21409] write(3, "1000", 4) = 4 [pid 21409] close(3) = 0 executing program [pid 21409] write(1, "executing program\n", 18) = 18 [pid 21409] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21409] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21409] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21409] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21409] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21409] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21409] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21410 attached => {parent_tid=[21410]}, 88) = 21410 [pid 21409] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21409] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21409] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21410] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21410] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21410] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21410] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21410] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21409] <... futex resumed>) = 0 [pid 21409] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21409] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21410] <... futex resumed>) = 0 [pid 21410] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21410] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21409] <... futex resumed>) = 0 [pid 21409] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21409] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21410] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21410] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21409] <... futex resumed>) = 0 [pid 21409] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21409] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21410] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21410] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21409] <... futex resumed>) = 0 [pid 21409] exit_group(0) = ? [pid 21410] +++ exited with 0 +++ [pid 21409] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21409, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21411 attached , child_tidptr=0x55557e841690) = 21411 [pid 21411] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21411] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21411] setpgid(0, 0) = 0 [pid 21411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21411] write(3, "1000", 4) = 4 [pid 21411] close(3) = 0 [pid 21411] write(1, "executing program\n", 18executing program ) = 18 [pid 21411] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21411] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21411] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21411] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21411] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21411] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21411] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21412]}, 88) = 21412 ./strace-static-x86_64: Process 21412 attached [pid 21412] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21412] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21412] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21411] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21411] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21412] <... futex resumed>) = 0 [pid 21412] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21411] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21412] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21412] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21411] <... futex resumed>) = 0 [pid 21411] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21412] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21411] <... futex resumed>) = 0 [pid 21412] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21411] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21412] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21411] <... futex resumed>) = 0 [pid 21412] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21411] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21412] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21411] <... futex resumed>) = 0 [pid 21412] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21411] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21412] <... futex resumed>) = 0 [pid 21411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21412] write(-1, "0x0000000000000001", 18 [pid 21411] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21412] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21411] <... futex resumed>) = 0 [pid 21412] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21411] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21412] <... futex resumed>) = 0 [pid 21411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21412] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21411] exit_group(0 [pid 21412] <... futex resumed>) = ? [pid 21411] <... exit_group resumed>) = ? [pid 21412] +++ exited with 0 +++ [pid 21411] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21411, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21413 attached , child_tidptr=0x55557e841690) = 21413 [pid 21413] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21413] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21413] setpgid(0, 0) = 0 [pid 21413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21413] write(3, "1000", 4) = 4 [pid 21413] close(3) = 0 [pid 21413] write(1, "executing program\n", 18executing program ) = 18 [pid 21413] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21413] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21413] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21413] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21413] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21413] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21413] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21414 attached => {parent_tid=[21414]}, 88) = 21414 [pid 21413] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21413] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21413] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21414] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21414] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21414] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21414] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21413] <... futex resumed>) = 0 [pid 21414] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21413] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21414] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21413] <... futex resumed>) = 0 [pid 21414] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21413] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21414] <... futex resumed>) = 0 [pid 21413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21414] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21413] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21414] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21413] <... futex resumed>) = 0 [pid 21414] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21413] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21414] <... futex resumed>) = 0 [pid 21413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21414] write(-1, "0x0000000000000001", 18 [pid 21413] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21414] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21413] <... futex resumed>) = 0 [pid 21414] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21413] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21414] <... futex resumed>) = 0 [pid 21413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21414] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21413] exit_group(0 [pid 21414] <... futex resumed>) = ? [pid 21413] <... exit_group resumed>) = ? [pid 21414] +++ exited with 0 +++ [pid 21413] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21413, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21415 attached [pid 21415] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21415] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21415] setpgid(0, 0) = 0 [pid 21415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 21415 [pid 21415] <... openat resumed>) = 3 [pid 21415] write(3, "1000", 4) = 4 [pid 21415] close(3executing program ) = 0 [pid 21415] write(1, "executing program\n", 18) = 18 [pid 21415] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21415] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21415] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21415] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21415] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21415] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21415] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21416 attached => {parent_tid=[21416]}, 88) = 21416 [pid 21416] set_robust_list(0x7f5486a549a0, 24 [pid 21415] rt_sigprocmask(SIG_SETMASK, [], [pid 21416] <... set_robust_list resumed>) = 0 [pid 21415] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21416] rt_sigprocmask(SIG_SETMASK, [], [pid 21415] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21416] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21415] <... futex resumed>) = 0 [pid 21416] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21415] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21416] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21416] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21415] <... futex resumed>) = 0 [pid 21416] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21415] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21416] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21415] <... futex resumed>) = 0 [pid 21416] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21415] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21416] <... futex resumed>) = 0 [pid 21415] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21416] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21415] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21416] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21415] <... futex resumed>) = 0 [pid 21416] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21415] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21416] <... futex resumed>) = 0 [pid 21415] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21416] write(-1, "0x0000000000000001", 18 [pid 21415] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21416] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21415] <... futex resumed>) = 0 [pid 21416] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21415] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21416] <... futex resumed>) = 0 [pid 21415] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21416] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21415] exit_group(0 [pid 21416] <... futex resumed>) = ? [pid 21415] <... exit_group resumed>) = ? [pid 21416] +++ exited with 0 +++ [pid 21415] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21415, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 executing program clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21417 ./strace-static-x86_64: Process 21417 attached [pid 21417] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21417] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21417] setpgid(0, 0) = 0 [pid 21417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21417] write(3, "1000", 4) = 4 [pid 21417] close(3) = 0 [pid 21417] write(1, "executing program\n", 18) = 18 [pid 21417] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21417] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21417] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21417] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21417] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21417] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21417] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21418 attached => {parent_tid=[21418]}, 88) = 21418 [pid 21418] set_robust_list(0x7f5486a549a0, 24 [pid 21417] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21417] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21417] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21418] <... set_robust_list resumed>) = 0 [pid 21418] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21418] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21418] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21418] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21417] <... futex resumed>) = 0 [pid 21417] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21417] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21418] <... futex resumed>) = 0 [pid 21418] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21418] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21417] <... futex resumed>) = 0 [pid 21417] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21417] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21418] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21418] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21417] <... futex resumed>) = 0 [pid 21417] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21417] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21418] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21418] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21417] <... futex resumed>) = 0 [pid 21417] exit_group(0) = ? [pid 21418] +++ exited with 0 +++ [pid 21417] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21417, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21419 ./strace-static-x86_64: Process 21419 attached [pid 21419] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21419] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21419] setpgid(0, 0) = 0 [pid 21419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21419] write(3, "1000", 4) = 4 [pid 21419] close(3) = 0 executing program [pid 21419] write(1, "executing program\n", 18) = 18 [pid 21419] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21419] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21419] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21419] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21419] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21419] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21419] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21420]}, 88) = 21420 ./strace-static-x86_64: Process 21420 attached [pid 21420] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21420] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21420] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21419] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21419] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21420] <... futex resumed>) = 0 [pid 21420] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21420] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21420] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21419] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 21419] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21420] <... futex resumed>) = 0 [pid 21420] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21419] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21420] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21420] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21419] <... futex resumed>) = 0 [pid 21419] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21419] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21420] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21420] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21419] <... futex resumed>) = 0 [pid 21419] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21419] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21420] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21420] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21420] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21419] <... futex resumed>) = 0 [pid 21419] exit_group(0) = ? [pid 21420] <... futex resumed>) = ? [pid 21420] +++ exited with 0 +++ [pid 21419] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21419, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21421 attached , child_tidptr=0x55557e841690) = 21421 [pid 21421] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21421] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21421] setpgid(0, 0) = 0 [pid 21421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21421] write(3, "1000", 4) = 4 [pid 21421] close(3) = 0 executing program [pid 21421] write(1, "executing program\n", 18) = 18 [pid 21421] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21421] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21421] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21421] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21421] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21421] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21421] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21422]}, 88) = 21422 ./strace-static-x86_64: Process 21422 attached [pid 21421] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21421] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21421] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21422] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21422] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21422] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21422] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21421] <... futex resumed>) = 0 [pid 21421] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21421] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21422] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21422] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21421] <... futex resumed>) = 0 [pid 21421] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21421] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21422] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21422] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21421] <... futex resumed>) = 0 [pid 21421] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21421] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21422] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21422] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21421] <... futex resumed>) = 0 [pid 21421] exit_group(0) = ? [pid 21422] +++ exited with 0 +++ [pid 21421] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21421, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21423 ./strace-static-x86_64: Process 21423 attached [pid 21423] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21423] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21423] setpgid(0, 0) = 0 [pid 21423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21423] write(3, "1000", 4) = 4 [pid 21423] close(3) = 0 executing program [pid 21423] write(1, "executing program\n", 18) = 18 [pid 21423] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21423] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21423] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21423] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21423] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21423] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21423] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21424]}, 88) = 21424 [pid 21423] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21423] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21423] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21424 attached [pid 21424] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21424] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21424] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21424] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21423] <... futex resumed>) = 0 [pid 21423] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21423] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21424] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21424] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21423] <... futex resumed>) = 0 [pid 21424] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21423] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21423] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21424] <... futex resumed>) = 0 [pid 21424] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21424] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21423] <... futex resumed>) = 0 [pid 21423] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21423] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21424] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21424] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21423] <... futex resumed>) = 0 [pid 21423] exit_group(0) = ? [pid 21424] +++ exited with 0 +++ [pid 21423] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21423, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21425 ./strace-static-x86_64: Process 21425 attached [pid 21425] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21425] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21425] setpgid(0, 0) = 0 [pid 21425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21425] write(3, "1000", 4) = 4 [pid 21425] close(3) = 0 [pid 21425] write(1, "executing program\n", 18executing program ) = 18 [pid 21425] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21425] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21425] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21425] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21425] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21425] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21425] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21426]}, 88) = 21426 [pid 21425] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21425] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21425] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21426 attached [pid 21426] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21426] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21426] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21426] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21425] <... futex resumed>) = 0 [pid 21425] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21425] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21426] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21426] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21425] <... futex resumed>) = 0 [pid 21425] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21425] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21426] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21426] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21425] <... futex resumed>) = 0 [pid 21425] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21425] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21426] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21426] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21425] <... futex resumed>) = 0 [pid 21425] exit_group(0) = ? [pid 21426] +++ exited with 0 +++ [pid 21425] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21425, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21427 attached , child_tidptr=0x55557e841690) = 21427 [pid 21427] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21427] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21427] setpgid(0, 0) = 0 [pid 21427] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21427] write(3, "1000", 4) = 4 [pid 21427] close(3) = 0 [pid 21427] write(1, "executing program\n", 18executing program ) = 18 [pid 21427] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21427] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21427] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21427] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21427] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21427] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21427] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21428 attached => {parent_tid=[21428]}, 88) = 21428 [pid 21427] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21427] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21427] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21428] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21428] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21428] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21428] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21428] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21427] <... futex resumed>) = 0 [pid 21427] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21428] <... futex resumed>) = 0 [pid 21427] <... futex resumed>) = 1 [pid 21428] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21427] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21428] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21428] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21427] <... futex resumed>) = 0 [pid 21428] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21427] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21428] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21427] <... futex resumed>) = 0 [pid 21428] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21427] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21428] <... futex resumed>) = 0 [pid 21427] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21428] write(-1, "0x0000000000000001", 18 [pid 21427] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21428] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21427] <... futex resumed>) = 0 [pid 21428] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21427] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21428] <... futex resumed>) = 0 [pid 21427] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21428] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21427] exit_group(0 [pid 21428] <... futex resumed>) = ? [pid 21427] <... exit_group resumed>) = ? [pid 21428] +++ exited with 0 +++ [pid 21427] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21427, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21429 ./strace-static-x86_64: Process 21429 attached [pid 21429] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21429] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21429] setpgid(0, 0) = 0 [pid 21429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21429] write(3, "1000", 4) = 4 [pid 21429] close(3executing program ) = 0 [pid 21429] write(1, "executing program\n", 18) = 18 [pid 21429] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21429] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21429] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21429] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21429] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21429] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21429] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21430]}, 88) = 21430 [pid 21429] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21429] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21429] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21430 attached [pid 21430] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21430] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21430] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21430] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21429] <... futex resumed>) = 0 [pid 21429] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21429] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21430] <... futex resumed>) = 1 [pid 21430] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21430] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21429] <... futex resumed>) = 0 [pid 21429] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21429] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21430] <... futex resumed>) = 1 [pid 21430] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21430] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21429] <... futex resumed>) = 0 [pid 21429] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21429] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21430] <... futex resumed>) = 1 [pid 21430] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21430] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21429] <... futex resumed>) = 0 [pid 21429] exit_group(0) = ? [pid 21430] <... futex resumed>) = ? [pid 21430] +++ exited with 0 +++ [pid 21429] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21429, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21431 ./strace-static-x86_64: Process 21431 attached [pid 21431] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21431] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21431] setpgid(0, 0) = 0 [pid 21431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21431] write(3, "1000", 4) = 4 executing program [pid 21431] close(3) = 0 [pid 21431] write(1, "executing program\n", 18) = 18 [pid 21431] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21431] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21431] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21431] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21431] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21431] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21431] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21432]}, 88) = 21432 [pid 21431] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21431] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21431] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21432 attached [pid 21432] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21432] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21432] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21432] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21431] <... futex resumed>) = 0 [pid 21431] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21431] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21432] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21432] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21431] <... futex resumed>) = 0 [pid 21431] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21431] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21432] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21432] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21431] <... futex resumed>) = 0 [pid 21431] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21431] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21432] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21432] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21431] <... futex resumed>) = 0 [pid 21431] exit_group(0) = ? [pid 21432] +++ exited with 0 +++ [pid 21431] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21431, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21433 attached [pid 21433] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21433] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 21433 [pid 21433] <... prctl resumed>) = 0 [pid 21433] setpgid(0, 0) = 0 [pid 21433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21433] write(3, "1000", 4) = 4 [pid 21433] close(3) = 0 executing program [pid 21433] write(1, "executing program\n", 18) = 18 [pid 21433] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21433] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21433] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21433] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21433] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21433] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21433] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21434]}, 88) = 21434 [pid 21433] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21433] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21433] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21434 attached [pid 21434] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21434] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21434] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21434] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21433] <... futex resumed>) = 0 [pid 21433] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21433] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21434] <... futex resumed>) = 1 [pid 21434] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21434] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21433] <... futex resumed>) = 0 [pid 21433] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21433] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21434] <... futex resumed>) = 1 [pid 21434] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21434] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21433] <... futex resumed>) = 0 [pid 21433] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21433] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21434] <... futex resumed>) = 1 [pid 21434] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21434] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21433] <... futex resumed>) = 0 [pid 21433] exit_group(0) = ? [pid 21434] <... futex resumed>) = ? [pid 21434] +++ exited with 0 +++ [pid 21433] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21433, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21435 ./strace-static-x86_64: Process 21435 attached [pid 21435] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21435] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21435] setpgid(0, 0) = 0 [pid 21435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21435] write(3, "1000", 4) = 4 [pid 21435] close(3) = 0 [pid 21435] write(1, "executing program\n", 18executing program ) = 18 [pid 21435] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21435] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21435] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21435] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21435] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21435] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21435] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21436]}, 88) = 21436 [pid 21435] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21435] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21435] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21436 attached [pid 21436] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21436] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21436] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21436] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21435] <... futex resumed>) = 0 [pid 21435] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21435] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21436] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21436] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21435] <... futex resumed>) = 0 [pid 21435] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21435] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21436] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21436] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21435] <... futex resumed>) = 0 [pid 21435] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21435] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21436] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21436] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21435] <... futex resumed>) = 0 [pid 21435] exit_group(0) = ? [pid 21436] +++ exited with 0 +++ [pid 21435] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21435, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21437 ./strace-static-x86_64: Process 21437 attached [pid 21437] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21437] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21437] setpgid(0, 0) = 0 [pid 21437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21437] write(3, "1000", 4) = 4 [pid 21437] close(3) = 0 [pid 21437] write(1, "executing program\n", 18executing program ) = 18 [pid 21437] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21437] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21437] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21437] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21437] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21437] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21437] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21438]}, 88) = 21438 [pid 21437] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21437] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21437] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21438 attached [pid 21438] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21438] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21438] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21438] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21437] <... futex resumed>) = 0 [pid 21437] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21437] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21438] <... futex resumed>) = 1 [pid 21438] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21438] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21437] <... futex resumed>) = 0 [pid 21437] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21437] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21438] <... futex resumed>) = 1 [pid 21438] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21438] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21437] <... futex resumed>) = 0 [pid 21437] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21437] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21438] <... futex resumed>) = 1 [pid 21438] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21438] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21437] <... futex resumed>) = 0 [pid 21437] exit_group(0) = ? [pid 21438] <... futex resumed>) = ? [pid 21438] +++ exited with 0 +++ [pid 21437] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21437, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21439 ./strace-static-x86_64: Process 21439 attached [pid 21439] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21439] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21439] setpgid(0, 0) = 0 [pid 21439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21439] write(3, "1000", 4) = 4 [pid 21439] close(3) = 0 executing program [pid 21439] write(1, "executing program\n", 18) = 18 [pid 21439] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21439] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21439] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21439] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21439] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21439] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21439] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21440]}, 88) = 21440 ./strace-static-x86_64: Process 21440 attached [pid 21439] rt_sigprocmask(SIG_SETMASK, [], [pid 21440] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21439] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21440] rt_sigprocmask(SIG_SETMASK, [], [pid 21439] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21439] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21440] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21440] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21440] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21439] <... futex resumed>) = 0 [pid 21439] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21439] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21440] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21440] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21439] <... futex resumed>) = 0 [pid 21439] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21439] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21440] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21440] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21439] <... futex resumed>) = 0 [pid 21439] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21439] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21440] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21440] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21439] <... futex resumed>) = 0 [pid 21439] exit_group(0) = ? [pid 21440] +++ exited with 0 +++ [pid 21439] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21439, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21441 attached [pid 21441] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21441] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21441] setpgid(0, 0) = 0 [pid 21441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 21441 [pid 21441] <... openat resumed>) = 3 [pid 21441] write(3, "1000", 4) = 4 executing program [pid 21441] close(3) = 0 [pid 21441] write(1, "executing program\n", 18) = 18 [pid 21441] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21441] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21441] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21441] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21441] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21441] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21441] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21442 attached => {parent_tid=[21442]}, 88) = 21442 [pid 21441] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21441] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21441] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21442] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21442] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21442] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21442] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21441] <... futex resumed>) = 0 [pid 21441] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21441] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21442] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21442] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21441] <... futex resumed>) = 0 [pid 21441] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21441] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21442] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21442] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21441] <... futex resumed>) = 0 [pid 21441] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21441] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21442] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21442] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21441] <... futex resumed>) = 0 [pid 21441] exit_group(0) = ? [pid 21442] +++ exited with 0 +++ [pid 21441] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21441, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21443 attached , child_tidptr=0x55557e841690) = 21443 [pid 21443] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21443] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21443] setpgid(0, 0) = 0 [pid 21443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21443] write(3, "1000", 4) = 4 [pid 21443] close(3) = 0 executing program [pid 21443] write(1, "executing program\n", 18) = 18 [pid 21443] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21443] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21443] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21443] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21443] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21443] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21443] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21444 attached => {parent_tid=[21444]}, 88) = 21444 [pid 21443] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21443] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21443] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21444] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21444] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21444] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21444] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21443] <... futex resumed>) = 0 [pid 21443] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21443] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21444] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21444] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21443] <... futex resumed>) = 0 [pid 21443] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21443] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21444] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21444] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21443] <... futex resumed>) = 0 [pid 21443] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21443] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21444] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21444] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21443] <... futex resumed>) = 0 [pid 21443] exit_group(0) = ? [pid 21444] +++ exited with 0 +++ [pid 21443] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21443, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21445 ./strace-static-x86_64: Process 21445 attached [pid 21445] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21445] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21445] setpgid(0, 0) = 0 [pid 21445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21445] write(3, "1000", 4) = 4 executing program [pid 21445] close(3) = 0 [pid 21445] write(1, "executing program\n", 18) = 18 [pid 21445] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21445] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21445] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21445] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21445] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21445] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21445] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21446]}, 88) = 21446 ./strace-static-x86_64: Process 21446 attached [pid 21445] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21445] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21445] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21446] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21446] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21446] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21446] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21445] <... futex resumed>) = 0 [pid 21445] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21445] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21446] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21446] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21445] <... futex resumed>) = 0 [pid 21445] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21445] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21446] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21446] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21445] <... futex resumed>) = 0 [pid 21445] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21445] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21446] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21446] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21445] <... futex resumed>) = 0 [pid 21445] exit_group(0) = ? [pid 21446] +++ exited with 0 +++ [pid 21445] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21445, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21447 attached [pid 21447] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21447] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21447] setpgid(0, 0) = 0 [pid 21447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 21447 [pid 21447] <... openat resumed>) = 3 [pid 21447] write(3, "1000", 4) = 4 [pid 21447] close(3) = 0 executing program [pid 21447] write(1, "executing program\n", 18) = 18 [pid 21447] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21447] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21447] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21447] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21447] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21447] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21447] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21448 attached => {parent_tid=[21448]}, 88) = 21448 [pid 21448] set_robust_list(0x7f5486a549a0, 24 [pid 21447] rt_sigprocmask(SIG_SETMASK, [], [pid 21448] <... set_robust_list resumed>) = 0 [pid 21447] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21447] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21448] rt_sigprocmask(SIG_SETMASK, [], [pid 21447] <... futex resumed>) = 0 [pid 21448] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21447] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21448] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21448] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21447] <... futex resumed>) = 0 [pid 21447] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21447] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21448] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21448] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21447] <... futex resumed>) = 0 [pid 21448] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21447] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21448] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21447] <... futex resumed>) = 0 [pid 21448] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21447] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21448] <... futex resumed>) = 0 [pid 21447] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21448] write(-1, "0x0000000000000001", 18 [pid 21447] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21448] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21447] <... futex resumed>) = 0 [pid 21448] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21447] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21448] <... futex resumed>) = 0 [pid 21447] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21448] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21447] exit_group(0 [pid 21448] <... futex resumed>) = ? [pid 21447] <... exit_group resumed>) = ? [pid 21448] +++ exited with 0 +++ [pid 21447] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21447, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21449 ./strace-static-x86_64: Process 21449 attached [pid 21449] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21449] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21449] setpgid(0, 0) = 0 [pid 21449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21449] write(3, "1000", 4) = 4 [pid 21449] close(3) = 0 [pid 21449] write(1, "executing program\n", 18executing program ) = 18 [pid 21449] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21449] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21449] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21449] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21449] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21449] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21449] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21450 attached => {parent_tid=[21450]}, 88) = 21450 [pid 21449] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21449] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21449] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21450] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21450] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21450] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21450] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21449] <... futex resumed>) = 0 [pid 21450] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21449] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21450] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21449] <... futex resumed>) = 0 [pid 21450] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21449] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21450] <... futex resumed>) = 0 [pid 21449] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21450] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21449] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21450] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21449] <... futex resumed>) = 0 [pid 21450] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21449] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21450] <... futex resumed>) = 0 [pid 21449] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21450] write(-1, "0x0000000000000001", 18 [pid 21449] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21450] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21449] <... futex resumed>) = 0 [pid 21450] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21449] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21450] <... futex resumed>) = 0 [pid 21449] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21450] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21449] exit_group(0 [pid 21450] <... futex resumed>) = ? [pid 21449] <... exit_group resumed>) = ? [pid 21450] +++ exited with 0 +++ [pid 21449] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21449, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21451 attached [pid 21451] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21451] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21451] setpgid(0, 0) = 0 [pid 21451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 21451 [pid 21451] <... openat resumed>) = 3 [pid 21451] write(3, "1000", 4) = 4 [pid 21451] close(3) = 0 [pid 21451] write(1, "executing program\n", 18executing program ) = 18 [pid 21451] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21451] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21451] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21451] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21451] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21451] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21451] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21452]}, 88) = 21452 [pid 21451] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21451] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21451] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21452 attached [pid 21452] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21452] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21452] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21452] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21451] <... futex resumed>) = 0 [pid 21451] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21451] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21452] <... futex resumed>) = 1 [pid 21452] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21452] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21451] <... futex resumed>) = 0 [pid 21451] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21451] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21452] <... futex resumed>) = 1 [pid 21452] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21452] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21451] <... futex resumed>) = 0 [pid 21451] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21451] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21452] <... futex resumed>) = 1 [pid 21452] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21452] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21451] <... futex resumed>) = 0 [pid 21451] exit_group(0) = ? [pid 21452] <... futex resumed>) = ? [pid 21452] +++ exited with 0 +++ [pid 21451] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21451, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21453 attached , child_tidptr=0x55557e841690) = 21453 [pid 21453] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21453] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21453] setpgid(0, 0) = 0 [pid 21453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21453] write(3, "1000", 4) = 4 [pid 21453] close(3) = 0 [pid 21453] write(1, "executing program\n", 18executing program ) = 18 [pid 21453] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21453] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21453] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21453] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21453] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21453] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21453] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21454 attached => {parent_tid=[21454]}, 88) = 21454 [pid 21453] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21453] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21453] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21454] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21454] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21454] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21454] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21453] <... futex resumed>) = 0 [pid 21453] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21453] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21454] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21454] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21453] <... futex resumed>) = 0 [pid 21453] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21453] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21454] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21454] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21453] <... futex resumed>) = 0 [pid 21453] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21453] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21454] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21454] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21453] <... futex resumed>) = 0 [pid 21453] exit_group(0) = ? [pid 21454] +++ exited with 0 +++ [pid 21453] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21453, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21455 ./strace-static-x86_64: Process 21455 attached [pid 21455] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21455] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21455] setpgid(0, 0) = 0 [pid 21455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21455] write(3, "1000", 4) = 4 [pid 21455] close(3executing program ) = 0 [pid 21455] write(1, "executing program\n", 18) = 18 [pid 21455] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21455] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21455] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21455] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21455] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21455] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21455] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21456 attached => {parent_tid=[21456]}, 88) = 21456 [pid 21456] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21456] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21456] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21455] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21455] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21456] <... futex resumed>) = 0 [pid 21456] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21455] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21456] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21456] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21455] <... futex resumed>) = 0 [pid 21455] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21456] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21455] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21456] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21455] <... futex resumed>) = 0 [pid 21455] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21455] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21456] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21456] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21455] <... futex resumed>) = 0 [pid 21455] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21455] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21456] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21456] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21455] <... futex resumed>) = 0 [pid 21455] exit_group(0) = ? [pid 21456] +++ exited with 0 +++ [pid 21455] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21455, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21457 ./strace-static-x86_64: Process 21457 attached [pid 21457] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21457] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21457] setpgid(0, 0) = 0 [pid 21457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21457] write(3, "1000", 4) = 4 [pid 21457] close(3executing program ) = 0 [pid 21457] write(1, "executing program\n", 18) = 18 [pid 21457] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21457] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21457] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21457] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21457] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21457] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21457] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21458 attached [pid 21458] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21458] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21458] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21457] <... clone3 resumed> => {parent_tid=[21458]}, 88) = 21458 [pid 21457] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21457] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21458] <... futex resumed>) = 0 [pid 21457] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21458] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21458] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21457] <... futex resumed>) = 0 [pid 21457] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21457] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21458] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21458] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21457] <... futex resumed>) = 0 [pid 21457] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21457] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21458] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21458] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21457] <... futex resumed>) = 0 [pid 21457] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21457] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21458] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21458] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21457] <... futex resumed>) = 0 [pid 21457] exit_group(0) = ? [pid 21458] +++ exited with 0 +++ [pid 21457] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21457, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21459 attached , child_tidptr=0x55557e841690) = 21459 [pid 21459] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21459] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21459] setpgid(0, 0) = 0 [pid 21459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21459] write(3, "1000", 4) = 4 [pid 21459] close(3executing program ) = 0 [pid 21459] write(1, "executing program\n", 18) = 18 [pid 21459] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21459] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21459] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21459] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21459] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21459] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21459] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21460]}, 88) = 21460 [pid 21459] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21459] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21459] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21460 attached [pid 21460] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21460] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21460] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21460] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21459] <... futex resumed>) = 0 [pid 21459] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21459] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21460] <... futex resumed>) = 1 [pid 21460] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21460] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21459] <... futex resumed>) = 0 [pid 21459] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21459] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21460] <... futex resumed>) = 1 [pid 21460] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21460] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21459] <... futex resumed>) = 0 [pid 21459] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21459] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21460] <... futex resumed>) = 1 [pid 21460] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21460] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21459] <... futex resumed>) = 0 [pid 21459] exit_group(0) = ? [pid 21460] <... futex resumed>) = ? [pid 21460] +++ exited with 0 +++ [pid 21459] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21459, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21461 ./strace-static-x86_64: Process 21461 attached [pid 21461] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21461] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21461] setpgid(0, 0) = 0 [pid 21461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21461] write(3, "1000", 4) = 4 [pid 21461] close(3) = 0 [pid 21461] write(1, "executing program\n", 18executing program ) = 18 [pid 21461] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21461] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21461] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21461] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21461] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21461] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21461] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21462]}, 88) = 21462 [pid 21461] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21461] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21461] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21462 attached [pid 21462] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21462] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21462] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21462] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21461] <... futex resumed>) = 0 [pid 21461] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21461] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21462] <... futex resumed>) = 1 [pid 21462] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21462] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21461] <... futex resumed>) = 0 [pid 21461] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21461] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21462] <... futex resumed>) = 1 [pid 21462] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21462] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21461] <... futex resumed>) = 0 [pid 21461] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21461] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21462] <... futex resumed>) = 1 [pid 21462] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21462] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21461] <... futex resumed>) = 0 [pid 21461] exit_group(0) = ? [pid 21462] <... futex resumed>) = ? [pid 21462] +++ exited with 0 +++ [pid 21461] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21461, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21463 ./strace-static-x86_64: Process 21463 attached [pid 21463] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21463] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21463] setpgid(0, 0) = 0 [pid 21463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21463] write(3, "1000", 4) = 4 [pid 21463] close(3) = 0 executing program [pid 21463] write(1, "executing program\n", 18) = 18 [pid 21463] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21463] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21463] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21463] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21463] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21463] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21463] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21464 attached => {parent_tid=[21464]}, 88) = 21464 [pid 21463] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21463] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21463] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21464] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21464] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21464] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21464] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21463] <... futex resumed>) = 0 [pid 21463] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21463] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21464] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21464] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21463] <... futex resumed>) = 0 [pid 21463] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21463] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21464] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21464] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21463] <... futex resumed>) = 0 [pid 21463] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21463] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21464] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21464] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21463] <... futex resumed>) = 0 [pid 21463] exit_group(0) = ? [pid 21464] +++ exited with 0 +++ [pid 21463] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21463, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21465 attached [pid 21465] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21465] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 21465 [pid 21465] <... prctl resumed>) = 0 [pid 21465] setpgid(0, 0) = 0 [pid 21465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21465] write(3, "1000", 4) = 4 [pid 21465] close(3) = 0 [pid 21465] write(1, "executing program\n", 18executing program ) = 18 [pid 21465] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21465] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21465] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21465] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21465] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21465] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21465] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21466 attached => {parent_tid=[21466]}, 88) = 21466 [pid 21465] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21465] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21465] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21466] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21466] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21466] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21466] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21465] <... futex resumed>) = 0 [pid 21465] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21465] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21466] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21466] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21465] <... futex resumed>) = 0 [pid 21465] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21465] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21466] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21466] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21465] <... futex resumed>) = 0 [pid 21465] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21465] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21466] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21466] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21465] <... futex resumed>) = 0 [pid 21465] exit_group(0) = ? [pid 21466] +++ exited with 0 +++ [pid 21465] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21465, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21467 ./strace-static-x86_64: Process 21467 attached [pid 21467] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21467] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21467] setpgid(0, 0) = 0 [pid 21467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21467] write(3, "1000", 4) = 4 [pid 21467] close(3executing program ) = 0 [pid 21467] write(1, "executing program\n", 18) = 18 [pid 21467] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21467] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21467] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21467] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21467] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21467] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21467] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21468]}, 88) = 21468 [pid 21467] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21467] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21467] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21468 attached [pid 21468] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21468] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21468] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21468] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21467] <... futex resumed>) = 0 [pid 21467] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21467] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21468] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21468] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21467] <... futex resumed>) = 0 [pid 21467] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21467] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21468] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21468] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21467] <... futex resumed>) = 0 [pid 21467] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21467] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21468] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21468] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21467] <... futex resumed>) = 0 [pid 21467] exit_group(0) = ? [pid 21468] +++ exited with 0 +++ [pid 21467] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21467, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21469 attached , child_tidptr=0x55557e841690) = 21469 [pid 21469] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21469] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21469] setpgid(0, 0) = 0 [pid 21469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21469] write(3, "1000", 4) = 4 [pid 21469] close(3executing program ) = 0 [pid 21469] write(1, "executing program\n", 18) = 18 [pid 21469] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21469] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21469] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21469] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21469] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21469] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21469] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21470 attached => {parent_tid=[21470]}, 88) = 21470 [pid 21469] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21469] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21469] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21470] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21470] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21470] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21470] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21469] <... futex resumed>) = 0 [pid 21470] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21469] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21470] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21469] <... futex resumed>) = 0 [pid 21470] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21469] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21470] <... futex resumed>) = 0 [pid 21469] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21470] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21469] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21470] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21469] <... futex resumed>) = 0 [pid 21470] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21469] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21470] <... futex resumed>) = 0 [pid 21469] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21470] write(-1, "0x0000000000000001", 18 [pid 21469] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21470] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21469] <... futex resumed>) = 0 [pid 21470] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21469] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21470] <... futex resumed>) = 0 [pid 21469] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21470] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21469] exit_group(0 [pid 21470] <... futex resumed>) = ? [pid 21469] <... exit_group resumed>) = ? [pid 21470] +++ exited with 0 +++ [pid 21469] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21469, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21471 ./strace-static-x86_64: Process 21471 attached [pid 21471] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21471] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21471] setpgid(0, 0) = 0 [pid 21471] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21471] write(3, "1000", 4) = 4 [pid 21471] close(3) = 0 executing program [pid 21471] write(1, "executing program\n", 18) = 18 [pid 21471] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21471] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21471] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21471] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21471] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21471] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21471] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21472 attached => {parent_tid=[21472]}, 88) = 21472 [pid 21471] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21471] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21471] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21472] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21472] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21472] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21472] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21471] <... futex resumed>) = 0 [pid 21472] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21471] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21472] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21471] <... futex resumed>) = 0 [pid 21472] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21471] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21472] <... futex resumed>) = 0 [pid 21471] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21472] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21471] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21472] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21471] <... futex resumed>) = 0 [pid 21472] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21471] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21472] <... futex resumed>) = 0 [pid 21471] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21472] write(-1, "0x0000000000000001", 18 [pid 21471] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21472] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21471] <... futex resumed>) = 0 [pid 21472] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21471] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21472] <... futex resumed>) = 0 [pid 21471] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21472] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21471] exit_group(0 [pid 21472] <... futex resumed>) = ? [pid 21471] <... exit_group resumed>) = ? [pid 21472] +++ exited with 0 +++ [pid 21471] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21471, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21473 ./strace-static-x86_64: Process 21473 attached [pid 21473] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21473] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21473] setpgid(0, 0) = 0 [pid 21473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21473] write(3, "1000", 4) = 4 [pid 21473] close(3) = 0 executing program [pid 21473] write(1, "executing program\n", 18) = 18 [pid 21473] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21473] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21473] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21473] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21473] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21473] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21473] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21474]}, 88) = 21474 [pid 21473] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21473] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21473] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21474 attached [pid 21474] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21474] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21474] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21474] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21473] <... futex resumed>) = 0 [pid 21474] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21473] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21474] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21473] <... futex resumed>) = 0 [pid 21474] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21473] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21474] <... futex resumed>) = 0 [pid 21473] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21474] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21473] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21474] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21473] <... futex resumed>) = 0 [pid 21474] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21473] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21474] <... futex resumed>) = 0 [pid 21473] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21474] write(-1, "0x0000000000000001", 18 [pid 21473] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21474] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21473] <... futex resumed>) = 0 [pid 21474] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21473] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21474] <... futex resumed>) = 0 [pid 21473] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21474] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21473] exit_group(0 [pid 21474] <... futex resumed>) = ? [pid 21473] <... exit_group resumed>) = ? [pid 21474] +++ exited with 0 +++ [pid 21473] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21473, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21475 attached [pid 21475] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21475] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21475] setpgid(0, 0) = 0 [pid 21475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 21475 [pid 21475] <... openat resumed>) = 3 [pid 21475] write(3, "1000", 4) = 4 [pid 21475] close(3) = 0 [pid 21475] write(1, "executing program\n", 18executing program ) = 18 [pid 21475] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21475] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21475] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21475] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21475] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21475] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21475] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21476 attached [pid 21476] set_robust_list(0x7f5486a549a0, 24 [pid 21475] <... clone3 resumed> => {parent_tid=[21476]}, 88) = 21476 [pid 21476] <... set_robust_list resumed>) = 0 [pid 21475] rt_sigprocmask(SIG_SETMASK, [], [pid 21476] rt_sigprocmask(SIG_SETMASK, [], [pid 21475] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21476] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21475] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21476] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21475] <... futex resumed>) = 0 [pid 21476] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21475] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21476] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21475] <... futex resumed>) = 0 [pid 21476] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21475] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21476] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21475] <... futex resumed>) = 0 [pid 21476] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21475] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21476] <... futex resumed>) = 0 [pid 21475] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21476] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21475] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21476] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21475] <... futex resumed>) = 0 [pid 21476] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21475] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21476] <... futex resumed>) = 0 [pid 21475] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21476] write(-1, "0x0000000000000001", 18 [pid 21475] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21476] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21475] <... futex resumed>) = 0 [pid 21476] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21475] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 21475] exit_group(0) = ? [pid 21476] <... futex resumed>) = ? [pid 21476] +++ exited with 0 +++ [pid 21475] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21475, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21477 attached , child_tidptr=0x55557e841690) = 21477 [pid 21477] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21477] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21477] setpgid(0, 0) = 0 [pid 21477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21477] write(3, "1000", 4) = 4 [pid 21477] close(3) = 0 executing program [pid 21477] write(1, "executing program\n", 18) = 18 [pid 21477] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21477] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21477] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21477] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21477] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21477] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21477] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21478 attached => {parent_tid=[21478]}, 88) = 21478 [pid 21477] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21477] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21477] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21478] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21478] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21478] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21478] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21477] <... futex resumed>) = 0 [pid 21478] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21477] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21478] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21477] <... futex resumed>) = 0 [pid 21478] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21477] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21478] <... futex resumed>) = 0 [pid 21477] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21478] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21477] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21478] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21477] <... futex resumed>) = 0 [pid 21478] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21477] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21478] <... futex resumed>) = 0 [pid 21477] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21478] write(-1, "0x0000000000000001", 18 [pid 21477] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21478] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21477] <... futex resumed>) = 0 [pid 21478] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21477] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21478] <... futex resumed>) = 0 [pid 21477] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21478] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21477] exit_group(0 [pid 21478] <... futex resumed>) = ? [pid 21477] <... exit_group resumed>) = ? [pid 21478] +++ exited with 0 +++ [pid 21477] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21477, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21479 ./strace-static-x86_64: Process 21479 attached [pid 21479] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21479] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21479] setpgid(0, 0) = 0 [pid 21479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21479] write(3, "1000", 4) = 4 [pid 21479] close(3) = 0 [pid 21479] write(1, "executing program\n", 18executing program ) = 18 [pid 21479] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21479] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21479] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21479] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21479] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21479] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21479] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21480 attached => {parent_tid=[21480]}, 88) = 21480 [pid 21479] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21479] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21479] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21480] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21480] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21480] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21480] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21479] <... futex resumed>) = 0 [pid 21479] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21479] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21480] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21480] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21479] <... futex resumed>) = 0 [pid 21479] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21479] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21480] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21480] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21479] <... futex resumed>) = 0 [pid 21479] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21479] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21480] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21480] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21479] <... futex resumed>) = 0 [pid 21479] exit_group(0) = ? [pid 21480] +++ exited with 0 +++ [pid 21479] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21479, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21481 attached , child_tidptr=0x55557e841690) = 21481 [pid 21481] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21481] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21481] setpgid(0, 0) = 0 [pid 21481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21481] write(3, "1000", 4) = 4 [pid 21481] close(3) = 0 [pid 21481] write(1, "executing program\n", 18executing program ) = 18 [pid 21481] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21481] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21481] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21481] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21481] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21481] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21481] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21482]}, 88) = 21482 ./strace-static-x86_64: Process 21482 attached [pid 21481] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21481] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21481] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21482] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21482] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21482] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21482] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21481] <... futex resumed>) = 0 [pid 21481] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21481] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21482] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21482] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21481] <... futex resumed>) = 0 [pid 21481] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21481] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21482] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21482] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21481] <... futex resumed>) = 0 [pid 21481] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21481] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21482] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21482] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21481] <... futex resumed>) = 0 [pid 21481] exit_group(0) = ? [pid 21482] +++ exited with 0 +++ [pid 21481] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21481, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21483 attached [pid 21483] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21483] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21483] setpgid(0, 0 [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 21483 [pid 21483] <... setpgid resumed>) = 0 [pid 21483] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21483] write(3, "1000", 4) = 4 [pid 21483] close(3) = 0 [pid 21483] write(1, "executing program\n", 18executing program ) = 18 [pid 21483] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21483] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21483] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21483] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21483] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21483] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21483] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21484 attached => {parent_tid=[21484]}, 88) = 21484 [pid 21483] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21483] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21483] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21484] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21484] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21484] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21484] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21483] <... futex resumed>) = 0 [pid 21483] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21483] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21484] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21484] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21483] <... futex resumed>) = 0 [pid 21483] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21483] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21484] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21484] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21483] <... futex resumed>) = 0 [pid 21483] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21483] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21484] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21484] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21483] <... futex resumed>) = 0 [pid 21483] exit_group(0) = ? [pid 21484] +++ exited with 0 +++ [pid 21483] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21483, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21485 ./strace-static-x86_64: Process 21485 attached [pid 21485] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21485] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21485] setpgid(0, 0) = 0 [pid 21485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21485] write(3, "1000", 4) = 4 executing program [pid 21485] close(3) = 0 [pid 21485] write(1, "executing program\n", 18) = 18 [pid 21485] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21485] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21485] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21485] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21485] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21485] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21485] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21486 attached => {parent_tid=[21486]}, 88) = 21486 [pid 21486] set_robust_list(0x7f5486a549a0, 24 [pid 21485] rt_sigprocmask(SIG_SETMASK, [], [pid 21486] <... set_robust_list resumed>) = 0 [pid 21485] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21486] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21485] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21486] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21485] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21486] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21486] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21485] <... futex resumed>) = 0 [pid 21486] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21485] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21486] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21485] <... futex resumed>) = 0 [pid 21486] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21485] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21486] <... futex resumed>) = 0 [pid 21485] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21486] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21485] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21486] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21485] <... futex resumed>) = 0 [pid 21486] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21485] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21486] <... futex resumed>) = 0 [pid 21485] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21486] write(-1, "0x0000000000000001", 18 [pid 21485] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21486] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21485] <... futex resumed>) = 0 [pid 21486] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21485] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21486] <... futex resumed>) = 0 [pid 21485] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21486] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21485] exit_group(0 [pid 21486] <... futex resumed>) = ? [pid 21485] <... exit_group resumed>) = ? [pid 21486] +++ exited with 0 +++ [pid 21485] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21485, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21487 ./strace-static-x86_64: Process 21487 attached [pid 21487] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21487] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21487] setpgid(0, 0) = 0 [pid 21487] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21487] write(3, "1000", 4) = 4 executing program [pid 21487] close(3) = 0 [pid 21487] write(1, "executing program\n", 18) = 18 [pid 21487] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21487] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21487] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21487] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21487] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21487] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21487] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21488 attached [pid 21488] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21488] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21488] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21487] <... clone3 resumed> => {parent_tid=[21488]}, 88) = 21488 [pid 21487] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21487] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21488] <... futex resumed>) = 0 [pid 21487] <... futex resumed>) = 1 [pid 21488] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21487] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21488] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21488] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21487] <... futex resumed>) = 0 [pid 21488] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21487] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21488] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21487] <... futex resumed>) = 0 [pid 21488] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21487] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21488] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21488] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21487] <... futex resumed>) = 0 [pid 21488] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21487] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21488] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21487] <... futex resumed>) = 0 [pid 21488] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21487] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21488] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21488] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21487] <... futex resumed>) = 0 [pid 21488] write(-1, "0x0000000000000001", 18 [pid 21487] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21488] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21487] <... futex resumed>) = 0 [pid 21488] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21487] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21488] <... futex resumed>) = 0 [pid 21487] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21488] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21487] exit_group(0 [pid 21488] <... futex resumed>) = ? [pid 21487] <... exit_group resumed>) = ? [pid 21488] +++ exited with 0 +++ [pid 21487] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21487, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21489 ./strace-static-x86_64: Process 21489 attached [pid 21489] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21489] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21489] setpgid(0, 0) = 0 [pid 21489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21489] write(3, "1000", 4) = 4 [pid 21489] close(3) = 0 executing program [pid 21489] write(1, "executing program\n", 18) = 18 [pid 21489] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21489] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21489] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21489] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21489] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21489] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21489] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21490]}, 88) = 21490 [pid 21489] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21489] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21489] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21490 attached [pid 21490] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21490] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21490] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21490] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21489] <... futex resumed>) = 0 [pid 21489] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21489] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21490] <... futex resumed>) = 1 [pid 21490] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21490] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21489] <... futex resumed>) = 0 [pid 21489] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21489] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21490] <... futex resumed>) = 1 [pid 21490] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21490] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21489] <... futex resumed>) = 0 [pid 21489] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21489] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21490] <... futex resumed>) = 1 [pid 21490] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21490] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21489] <... futex resumed>) = 0 [pid 21489] exit_group(0) = ? [pid 21490] <... futex resumed>) = ? [pid 21490] +++ exited with 0 +++ [pid 21489] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21489, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21491 ./strace-static-x86_64: Process 21491 attached [pid 21491] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21491] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21491] setpgid(0, 0) = 0 [pid 21491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21491] write(3, "1000", 4) = 4 [pid 21491] close(3) = 0 executing program [pid 21491] write(1, "executing program\n", 18) = 18 [pid 21491] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21491] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21491] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21491] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21491] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21491] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21491] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21492 attached [pid 21492] set_robust_list(0x7f5486a549a0, 24 [pid 21491] <... clone3 resumed> => {parent_tid=[21492]}, 88) = 21492 [pid 21491] rt_sigprocmask(SIG_SETMASK, [], [pid 21492] <... set_robust_list resumed>) = 0 [pid 21491] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21492] rt_sigprocmask(SIG_SETMASK, [], [pid 21491] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21492] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21491] <... futex resumed>) = 0 [pid 21492] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21491] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21492] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21492] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21491] <... futex resumed>) = 0 [pid 21491] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21491] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21492] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21492] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21491] <... futex resumed>) = 0 [pid 21491] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21491] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21492] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21492] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21491] <... futex resumed>) = 0 [pid 21491] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21491] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21492] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21492] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21491] <... futex resumed>) = 0 [pid 21491] exit_group(0) = ? [pid 21492] +++ exited with 0 +++ [pid 21491] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21491, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21493 attached [pid 21493] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21493] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21493] setpgid(0, 0) = 0 [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 21493 [pid 21493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21493] write(3, "1000", 4) = 4 executing program [pid 21493] close(3) = 0 [pid 21493] write(1, "executing program\n", 18) = 18 [pid 21493] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21493] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21493] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21493] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21493] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21493] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21493] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21494]}, 88) = 21494 [pid 21493] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21493] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21493] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21494 attached [pid 21494] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21494] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21494] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21494] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21493] <... futex resumed>) = 0 [pid 21493] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21493] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21494] <... futex resumed>) = 1 [pid 21494] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21494] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21493] <... futex resumed>) = 0 [pid 21493] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21493] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21494] <... futex resumed>) = 1 [pid 21494] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21494] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21493] <... futex resumed>) = 0 [pid 21493] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21493] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21494] <... futex resumed>) = 1 [pid 21494] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21494] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21493] <... futex resumed>) = 0 [pid 21493] exit_group(0) = ? [pid 21494] <... futex resumed>) = ? [pid 21494] +++ exited with 0 +++ [pid 21493] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21493, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21495 ./strace-static-x86_64: Process 21495 attached [pid 21495] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21495] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21495] setpgid(0, 0) = 0 [pid 21495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21495] write(3, "1000", 4) = 4 [pid 21495] close(3executing program ) = 0 [pid 21495] write(1, "executing program\n", 18) = 18 [pid 21495] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21495] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21495] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21495] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21495] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21495] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21495] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21496 attached => {parent_tid=[21496]}, 88) = 21496 [pid 21496] set_robust_list(0x7f5486a549a0, 24 [pid 21495] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21496] <... set_robust_list resumed>) = 0 [pid 21495] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21496] rt_sigprocmask(SIG_SETMASK, [], [pid 21495] <... futex resumed>) = 0 [pid 21496] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21495] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21496] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21496] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21495] <... futex resumed>) = 0 [pid 21495] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21495] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21496] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21496] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21495] <... futex resumed>) = 0 [pid 21495] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21495] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21496] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21496] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21495] <... futex resumed>) = 0 [pid 21495] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21495] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21496] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21496] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21495] <... futex resumed>) = 0 [pid 21495] exit_group(0) = ? [pid 21496] +++ exited with 0 +++ [pid 21495] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21495, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21497 attached [pid 21497] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21497] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21497] setpgid(0, 0) = 0 [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 21497 [pid 21497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21497] write(3, "1000", 4) = 4 [pid 21497] close(3) = 0 [pid 21497] write(1, "executing program\n", 18executing program ) = 18 [pid 21497] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21497] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21497] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21497] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21497] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21497] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21497] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21498]}, 88) = 21498 [pid 21497] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21497] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21497] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21498 attached [pid 21498] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21498] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21498] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21498] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21497] <... futex resumed>) = 0 [pid 21497] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21497] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21498] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21498] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21497] <... futex resumed>) = 0 [pid 21497] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21497] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21498] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21498] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21497] <... futex resumed>) = 0 [pid 21497] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21497] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21498] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21498] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21497] <... futex resumed>) = 0 [pid 21497] exit_group(0) = ? [pid 21498] +++ exited with 0 +++ [pid 21497] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21497, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21499 attached [pid 21499] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21499] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21499] setpgid(0, 0) = 0 [pid 21499] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21499] write(3, "1000", 4) = 4 [pid 21499] close(3) = 0 executing program [pid 21499] write(1, "executing program\n", 18) = 18 [pid 21499] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21499] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21499] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21499] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21499] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 21499 [pid 21499] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21499] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21500]}, 88) = 21500 [pid 21499] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21499] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21499] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21500 attached [pid 21500] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21500] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21500] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21500] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21499] <... futex resumed>) = 0 [pid 21499] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21499] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21500] <... futex resumed>) = 1 [pid 21500] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21500] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21499] <... futex resumed>) = 0 [pid 21499] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21499] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21500] <... futex resumed>) = 1 [pid 21500] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21500] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21499] <... futex resumed>) = 0 [pid 21499] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21499] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21500] <... futex resumed>) = 1 [pid 21500] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21500] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21499] <... futex resumed>) = 0 [pid 21499] exit_group(0) = ? [pid 21500] <... futex resumed>) = ? [pid 21500] +++ exited with 0 +++ [pid 21499] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21499, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21501 ./strace-static-x86_64: Process 21501 attached [pid 21501] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21501] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21501] setpgid(0, 0) = 0 [pid 21501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21501] write(3, "1000", 4) = 4 [pid 21501] close(3) = 0 executing program [pid 21501] write(1, "executing program\n", 18) = 18 [pid 21501] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21501] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21501] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21501] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21501] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21501] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21501] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21502 attached => {parent_tid=[21502]}, 88) = 21502 [pid 21501] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21501] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21501] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21502] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21502] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21502] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21502] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21501] <... futex resumed>) = 0 [pid 21501] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21501] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21502] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21502] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21501] <... futex resumed>) = 0 [pid 21501] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21501] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21502] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21502] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21501] <... futex resumed>) = 0 [pid 21501] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21501] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21502] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21502] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21501] <... futex resumed>) = 0 [pid 21501] exit_group(0) = ? [pid 21502] +++ exited with 0 +++ [pid 21501] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21501, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21503 ./strace-static-x86_64: Process 21503 attached [pid 21503] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21503] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21503] setpgid(0, 0) = 0 [pid 21503] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21503] write(3, "1000", 4) = 4 [pid 21503] close(3) = 0 [pid 21503] write(1, "executing program\n", 18executing program ) = 18 [pid 21503] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21503] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21503] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21503] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21503] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21503] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21503] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21504]}, 88) = 21504 ./strace-static-x86_64: Process 21504 attached [pid 21503] rt_sigprocmask(SIG_SETMASK, [], [pid 21504] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21504] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21504] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21503] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21503] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21504] <... futex resumed>) = 0 [pid 21504] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21503] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21504] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21504] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21503] <... futex resumed>) = 0 [pid 21503] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21503] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21504] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21504] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21503] <... futex resumed>) = 0 [pid 21503] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21503] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21504] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21504] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21503] <... futex resumed>) = 0 [pid 21503] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21503] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21504] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21504] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21503] <... futex resumed>) = 0 [pid 21503] exit_group(0) = ? [pid 21504] +++ exited with 0 +++ [pid 21503] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21503, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21505 ./strace-static-x86_64: Process 21505 attached [pid 21505] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21505] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21505] setpgid(0, 0) = 0 [pid 21505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21505] write(3, "1000", 4) = 4 [pid 21505] close(3) = 0 [pid 21505] write(1, "executing program\n", 18executing program ) = 18 [pid 21505] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21505] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21505] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21505] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21505] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21505] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21505] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21506 attached => {parent_tid=[21506]}, 88) = 21506 [pid 21505] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21505] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21505] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21506] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21506] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21506] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21506] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21505] <... futex resumed>) = 0 [pid 21505] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21505] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21506] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21506] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21505] <... futex resumed>) = 0 [pid 21505] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21505] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21506] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21506] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21505] <... futex resumed>) = 0 [pid 21505] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21505] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21506] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21506] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21505] <... futex resumed>) = 0 [pid 21505] exit_group(0) = ? [pid 21506] +++ exited with 0 +++ [pid 21505] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21505, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21507 ./strace-static-x86_64: Process 21507 attached [pid 21507] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21507] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21507] setpgid(0, 0) = 0 [pid 21507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21507] write(3, "1000", 4) = 4 [pid 21507] close(3) = 0 executing program [pid 21507] write(1, "executing program\n", 18) = 18 [pid 21507] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21507] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21507] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21507] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21507] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21507] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21507] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21508]}, 88) = 21508 [pid 21507] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21507] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21507] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21508 attached [pid 21508] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21508] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21508] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21508] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21507] <... futex resumed>) = 0 [pid 21507] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21507] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21508] <... futex resumed>) = 1 [pid 21508] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21508] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21507] <... futex resumed>) = 0 [pid 21507] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21507] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21508] <... futex resumed>) = 1 [pid 21508] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21508] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21507] <... futex resumed>) = 0 [pid 21507] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21507] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21508] <... futex resumed>) = 1 [pid 21508] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21508] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21507] <... futex resumed>) = 0 [pid 21507] exit_group(0) = ? [pid 21508] <... futex resumed>) = ? [pid 21508] +++ exited with 0 +++ [pid 21507] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21507, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21509 ./strace-static-x86_64: Process 21509 attached [pid 21509] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21509] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21509] setpgid(0, 0) = 0 [pid 21509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21509] write(3, "1000", 4) = 4 [pid 21509] close(3) = 0 [pid 21509] write(1, "executing program\n", 18executing program ) = 18 [pid 21509] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21509] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21509] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21509] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21509] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21509] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21509] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21510]}, 88) = 21510 [pid 21509] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21509] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21509] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21510 attached [pid 21510] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21510] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21510] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21510] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21509] <... futex resumed>) = 0 [pid 21509] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21509] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21510] <... futex resumed>) = 1 [pid 21510] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21510] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21509] <... futex resumed>) = 0 [pid 21509] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21509] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21510] <... futex resumed>) = 1 [pid 21510] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21510] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21509] <... futex resumed>) = 0 [pid 21509] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21509] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21510] <... futex resumed>) = 1 [pid 21510] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21510] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21509] <... futex resumed>) = 0 [pid 21509] exit_group(0) = ? [pid 21510] <... futex resumed>) = ? [pid 21510] +++ exited with 0 +++ [pid 21509] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21509, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21511 attached , child_tidptr=0x55557e841690) = 21511 [pid 21511] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21511] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21511] setpgid(0, 0) = 0 [pid 21511] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21511] write(3, "1000", 4) = 4 [pid 21511] close(3) = 0 [pid 21511] write(1, "executing program\n", 18executing program ) = 18 [pid 21511] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21511] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21511] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21511] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21511] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21511] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21511] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21512 attached => {parent_tid=[21512]}, 88) = 21512 [pid 21511] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21511] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21511] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21512] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21512] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21512] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21512] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21511] <... futex resumed>) = 0 [pid 21511] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21511] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21512] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21512] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21511] <... futex resumed>) = 0 [pid 21511] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21511] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21512] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21512] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21511] <... futex resumed>) = 0 [pid 21511] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21511] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21512] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21512] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21511] <... futex resumed>) = 0 [pid 21511] exit_group(0) = ? [pid 21512] +++ exited with 0 +++ [pid 21511] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21511, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21513 ./strace-static-x86_64: Process 21513 attached [pid 21513] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21513] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21513] setpgid(0, 0) = 0 [pid 21513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21513] write(3, "1000", 4) = 4 [pid 21513] close(3) = 0 [pid 21513] write(1, "executing program\n", 18executing program ) = 18 [pid 21513] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21513] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21513] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21513] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21513] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21513] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21513] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21514 attached => {parent_tid=[21514]}, 88) = 21514 [pid 21513] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21513] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21513] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21514] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21514] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21514] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21514] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21513] <... futex resumed>) = 0 [pid 21513] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21513] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21514] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21514] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21513] <... futex resumed>) = 0 [pid 21513] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21513] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21514] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21514] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21513] <... futex resumed>) = 0 [pid 21513] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21513] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21514] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21514] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21513] <... futex resumed>) = 0 [pid 21513] exit_group(0) = ? [pid 21514] +++ exited with 0 +++ [pid 21513] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21513, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21515 attached , child_tidptr=0x55557e841690) = 21515 [pid 21515] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21515] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21515] setpgid(0, 0) = 0 [pid 21515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21515] write(3, "1000", 4) = 4 [pid 21515] close(3) = 0 [pid 21515] write(1, "executing program\n", 18) = 18 executing program [pid 21515] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21515] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21515] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21515] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21515] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21515] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21515] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21516]}, 88) = 21516 ./strace-static-x86_64: Process 21516 attached [pid 21516] set_robust_list(0x7f5486a549a0, 24 [pid 21515] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21516] <... set_robust_list resumed>) = 0 [pid 21515] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21516] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21515] <... futex resumed>) = 0 [pid 21516] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21515] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21516] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21516] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21515] <... futex resumed>) = 0 [pid 21515] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21515] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21516] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21516] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21515] <... futex resumed>) = 0 [pid 21515] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21515] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21516] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21516] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21515] <... futex resumed>) = 0 [pid 21515] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21515] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21516] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21516] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21515] <... futex resumed>) = 0 [pid 21515] exit_group(0) = ? [pid 21516] +++ exited with 0 +++ [pid 21515] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21515, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21517 attached [pid 21517] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21517] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 21517 [pid 21517] setpgid(0, 0) = 0 [pid 21517] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21517] write(3, "1000", 4) = 4 [pid 21517] close(3) = 0 [pid 21517] write(1, "executing program\n", 18executing program ) = 18 [pid 21517] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21517] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21517] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21517] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21517] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21517] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21517] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21518 attached [pid 21518] set_robust_list(0x7f5486a549a0, 24 [pid 21517] <... clone3 resumed> => {parent_tid=[21518]}, 88) = 21518 [pid 21518] <... set_robust_list resumed>) = 0 [pid 21517] rt_sigprocmask(SIG_SETMASK, [], [pid 21518] rt_sigprocmask(SIG_SETMASK, [], [pid 21517] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21518] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21517] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21518] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21517] <... futex resumed>) = 0 [pid 21518] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21517] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21518] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21517] <... futex resumed>) = 0 [pid 21518] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21517] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21518] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21517] <... futex resumed>) = 0 [pid 21518] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21517] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21518] <... futex resumed>) = 0 [pid 21517] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21518] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21517] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21518] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21517] <... futex resumed>) = 0 [pid 21518] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21517] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21518] <... futex resumed>) = 0 [pid 21517] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21518] write(-1, "0x0000000000000001", 18 [pid 21517] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21518] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21517] <... futex resumed>) = 0 [pid 21518] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21517] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21518] <... futex resumed>) = 0 [pid 21517] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21518] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21517] exit_group(0 [pid 21518] <... futex resumed>) = ? [pid 21517] <... exit_group resumed>) = ? [pid 21518] +++ exited with 0 +++ [pid 21517] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21517, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21519 ./strace-static-x86_64: Process 21519 attached [pid 21519] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21519] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21519] setpgid(0, 0) = 0 [pid 21519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21519] write(3, "1000", 4) = 4 [pid 21519] close(3) = 0 [pid 21519] write(1, "executing program\n", 18executing program ) = 18 [pid 21519] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21519] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21519] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21519] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21519] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21519] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21519] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21520 attached => {parent_tid=[21520]}, 88) = 21520 [pid 21519] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21519] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21519] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21520] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21520] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21520] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21520] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21519] <... futex resumed>) = 0 [pid 21520] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21519] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21520] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21519] <... futex resumed>) = 0 [pid 21520] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21519] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21520] <... futex resumed>) = 0 [pid 21519] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21520] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21519] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21520] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21519] <... futex resumed>) = 0 [pid 21520] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21519] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21520] <... futex resumed>) = 0 [pid 21519] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21520] write(-1, "0x0000000000000001", 18 [pid 21519] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21520] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21519] <... futex resumed>) = 0 [pid 21520] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21519] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21520] <... futex resumed>) = 0 [pid 21519] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21520] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21519] exit_group(0 [pid 21520] <... futex resumed>) = ? [pid 21519] <... exit_group resumed>) = ? [pid 21520] +++ exited with 0 +++ [pid 21519] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21519, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21521 attached , child_tidptr=0x55557e841690) = 21521 [pid 21521] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21521] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21521] setpgid(0, 0) = 0 [pid 21521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21521] write(3, "1000", 4) = 4 [pid 21521] close(3) = 0 executing program [pid 21521] write(1, "executing program\n", 18) = 18 [pid 21521] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21521] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21521] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21521] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21521] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21521] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21521] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21522 attached => {parent_tid=[21522]}, 88) = 21522 [pid 21521] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21521] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21521] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21522] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21522] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21522] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21522] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21521] <... futex resumed>) = 0 [pid 21522] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21521] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21522] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21521] <... futex resumed>) = 0 [pid 21522] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21521] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21522] <... futex resumed>) = 0 [pid 21521] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21522] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21521] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21522] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21521] <... futex resumed>) = 0 [pid 21522] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21521] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21522] <... futex resumed>) = 0 [pid 21521] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21522] write(-1, "0x0000000000000001", 18 [pid 21521] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21522] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21521] <... futex resumed>) = 0 [pid 21522] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21521] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21522] <... futex resumed>) = 0 [pid 21521] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21522] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21521] exit_group(0 [pid 21522] <... futex resumed>) = ? [pid 21521] <... exit_group resumed>) = ? [pid 21522] +++ exited with 0 +++ [pid 21521] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21521, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21523 attached , child_tidptr=0x55557e841690) = 21523 [pid 21523] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21523] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21523] setpgid(0, 0) = 0 [pid 21523] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21523] write(3, "1000", 4) = 4 [pid 21523] close(3executing program ) = 0 [pid 21523] write(1, "executing program\n", 18) = 18 [pid 21523] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21523] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21523] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21523] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21523] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21523] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21523] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21524 attached => {parent_tid=[21524]}, 88) = 21524 [pid 21523] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21523] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21523] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21524] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21524] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21524] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21524] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21523] <... futex resumed>) = 0 [pid 21524] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21523] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21524] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21523] <... futex resumed>) = 0 [pid 21524] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21523] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21524] <... futex resumed>) = 0 [pid 21523] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21524] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21523] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21524] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21523] <... futex resumed>) = 0 [pid 21524] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21523] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21524] <... futex resumed>) = 0 [pid 21524] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21523] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21524] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21523] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21524] write(-1, "0x0000000000000001", 18 [pid 21523] <... futex resumed>) = 0 [pid 21524] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21523] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21524] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21523] <... futex resumed>) = 0 [pid 21524] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21523] exit_group(0 [pid 21524] <... futex resumed>) = ? [pid 21523] <... exit_group resumed>) = ? [pid 21524] +++ exited with 0 +++ [pid 21523] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21523, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21525 attached , child_tidptr=0x55557e841690) = 21525 [pid 21525] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21525] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21525] setpgid(0, 0) = 0 [pid 21525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21525] write(3, "1000", 4) = 4 [pid 21525] close(3) = 0 executing program [pid 21525] write(1, "executing program\n", 18) = 18 [pid 21525] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21525] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21525] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21525] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21525] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21525] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21525] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21526]}, 88) = 21526 ./strace-static-x86_64: Process 21526 attached [pid 21526] set_robust_list(0x7f5486a549a0, 24 [pid 21525] rt_sigprocmask(SIG_SETMASK, [], [pid 21526] <... set_robust_list resumed>) = 0 [pid 21526] rt_sigprocmask(SIG_SETMASK, [], [pid 21525] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21526] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21525] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21526] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21525] <... futex resumed>) = 0 [pid 21526] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21525] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21526] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21525] <... futex resumed>) = 0 [pid 21526] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21525] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21526] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21525] <... futex resumed>) = 0 [pid 21526] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21525] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21526] <... futex resumed>) = 0 [pid 21525] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21526] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21525] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21526] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21525] <... futex resumed>) = 0 [pid 21526] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21525] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21526] <... futex resumed>) = 0 [pid 21525] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21526] write(-1, "0x0000000000000001", 18 [pid 21525] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21526] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21525] <... futex resumed>) = 0 [pid 21526] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21525] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21526] <... futex resumed>) = 0 [pid 21525] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21526] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21525] exit_group(0 [pid 21526] <... futex resumed>) = ? [pid 21525] <... exit_group resumed>) = ? [pid 21526] +++ exited with 0 +++ [pid 21525] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21525, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21528 attached [pid 21528] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21528] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21528] setpgid(0, 0) = 0 [pid 21528] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 21528 [pid 21528] write(3, "1000", 4) = 4 [pid 21528] close(3executing program ) = 0 [pid 21528] write(1, "executing program\n", 18) = 18 [pid 21528] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21528] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21528] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21528] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21528] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21528] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21528] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21529]}, 88) = 21529 ./strace-static-x86_64: Process 21529 attached [pid 21529] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21529] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21529] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21528] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21528] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21529] <... futex resumed>) = 0 [pid 21528] <... futex resumed>) = 1 [pid 21529] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21528] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21529] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21529] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21528] <... futex resumed>) = 0 [pid 21529] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21528] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21529] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21528] <... futex resumed>) = 0 [pid 21529] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21528] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21529] <... futex resumed>) = 0 [pid 21528] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21529] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21528] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21529] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21528] <... futex resumed>) = 0 [pid 21529] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21528] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21529] <... futex resumed>) = 0 [pid 21528] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21529] write(-1, "0x0000000000000001", 18 [pid 21528] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21529] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21528] <... futex resumed>) = 0 [pid 21529] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21528] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21529] <... futex resumed>) = 0 [pid 21528] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21529] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21528] exit_group(0 [pid 21529] <... futex resumed>) = ? [pid 21528] <... exit_group resumed>) = ? [pid 21529] +++ exited with 0 +++ [pid 21528] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21528, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21530 ./strace-static-x86_64: Process 21530 attached [pid 21530] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21530] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21530] setpgid(0, 0) = 0 [pid 21530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21530] write(3, "1000", 4) = 4 [pid 21530] close(3) = 0 [pid 21530] write(1, "executing program\n", 18executing program ) = 18 [pid 21530] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21530] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21530] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21530] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21530] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21530] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21530] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21531 attached => {parent_tid=[21531]}, 88) = 21531 [pid 21530] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21530] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21530] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21531] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21531] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21531] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21531] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21530] <... futex resumed>) = 0 [pid 21531] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21530] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21531] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21530] <... futex resumed>) = 0 [pid 21531] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21530] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21531] <... futex resumed>) = 0 [pid 21530] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21531] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21530] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21531] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21530] <... futex resumed>) = 0 [pid 21531] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21530] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21531] <... futex resumed>) = 0 [pid 21530] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21531] write(-1, "0x0000000000000001", 18 [pid 21530] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21531] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21530] <... futex resumed>) = 0 [pid 21531] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21530] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21531] <... futex resumed>) = 0 [pid 21530] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21531] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21530] exit_group(0 [pid 21531] <... futex resumed>) = ? [pid 21530] <... exit_group resumed>) = ? [pid 21531] +++ exited with 0 +++ [pid 21530] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21530, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21532 attached , child_tidptr=0x55557e841690) = 21532 [pid 21532] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21532] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21532] setpgid(0, 0) = 0 [pid 21532] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21532] write(3, "1000", 4) = 4 [pid 21532] close(3) = 0 executing program [pid 21532] write(1, "executing program\n", 18) = 18 [pid 21532] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21532] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21532] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21532] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21532] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21532] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21532] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21533 attached => {parent_tid=[21533]}, 88) = 21533 [pid 21533] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21533] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21533] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21532] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21532] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21533] <... futex resumed>) = 0 [pid 21532] <... futex resumed>) = 1 [pid 21533] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21532] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21533] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21533] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21532] <... futex resumed>) = 0 [pid 21533] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21532] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21533] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21532] <... futex resumed>) = 0 [pid 21533] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21532] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21533] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21533] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21532] <... futex resumed>) = 0 [pid 21533] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21532] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21533] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21532] <... futex resumed>) = 0 [pid 21533] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21532] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21533] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21533] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21532] <... futex resumed>) = 0 [pid 21533] write(-1, "0x0000000000000001", 18 [pid 21532] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21533] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21532] <... futex resumed>) = 0 [pid 21533] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21532] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21533] <... futex resumed>) = 0 [pid 21532] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21533] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21532] exit_group(0 [pid 21533] <... futex resumed>) = ? [pid 21532] <... exit_group resumed>) = ? [pid 21533] +++ exited with 0 +++ [pid 21532] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21532, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21534 attached , child_tidptr=0x55557e841690) = 21534 [pid 21534] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21534] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21534] setpgid(0, 0) = 0 [pid 21534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21534] write(3, "1000", 4) = 4 executing program [pid 21534] close(3) = 0 [pid 21534] write(1, "executing program\n", 18) = 18 [pid 21534] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21534] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21534] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21534] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21534] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21534] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21534] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21535 attached => {parent_tid=[21535]}, 88) = 21535 [pid 21534] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21534] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21534] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21535] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21535] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21535] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21535] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21534] <... futex resumed>) = 0 [pid 21535] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21534] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21535] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21534] <... futex resumed>) = 0 [pid 21535] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21534] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21535] <... futex resumed>) = 0 [pid 21534] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21535] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21534] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21535] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21534] <... futex resumed>) = 0 [pid 21535] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21534] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21535] <... futex resumed>) = 0 [pid 21534] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21535] write(-1, "0x0000000000000001", 18 [pid 21534] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21535] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21534] <... futex resumed>) = 0 [pid 21535] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21534] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21535] <... futex resumed>) = 0 [pid 21534] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21535] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21534] exit_group(0 [pid 21535] <... futex resumed>) = ? [pid 21534] <... exit_group resumed>) = ? [pid 21535] +++ exited with 0 +++ [pid 21534] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21534, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21536 attached , child_tidptr=0x55557e841690) = 21536 [pid 21536] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21536] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21536] setpgid(0, 0) = 0 [pid 21536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21536] write(3, "1000", 4) = 4 [pid 21536] close(3) = 0 executing program [pid 21536] write(1, "executing program\n", 18) = 18 [pid 21536] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21536] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21536] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21536] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21536] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21536] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21536] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21537 attached => {parent_tid=[21537]}, 88) = 21537 [pid 21536] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21536] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21536] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21537] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21537] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21537] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21537] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21536] <... futex resumed>) = 0 [pid 21536] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21536] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21537] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21537] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21536] <... futex resumed>) = 0 [pid 21536] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21536] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21537] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21537] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21536] <... futex resumed>) = 0 [pid 21536] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21536] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21537] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21537] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21536] <... futex resumed>) = 0 [pid 21536] exit_group(0) = ? [pid 21537] +++ exited with 0 +++ [pid 21536] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21536, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21538 attached , child_tidptr=0x55557e841690) = 21538 [pid 21538] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21538] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21538] setpgid(0, 0) = 0 [pid 21538] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21538] write(3, "1000", 4) = 4 [pid 21538] close(3) = 0 [pid 21538] write(1, "executing program\n", 18executing program ) = 18 [pid 21538] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21538] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21538] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21538] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21538] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21538] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21538] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21539 attached => {parent_tid=[21539]}, 88) = 21539 [pid 21538] rt_sigprocmask(SIG_SETMASK, [], [pid 21539] set_robust_list(0x7f5486a549a0, 24 [pid 21538] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21538] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21538] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21539] <... set_robust_list resumed>) = 0 [pid 21539] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21539] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21539] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21538] <... futex resumed>) = 0 [pid 21538] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21538] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21539] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21539] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21538] <... futex resumed>) = 0 [pid 21538] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21538] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21539] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21539] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21538] <... futex resumed>) = 0 [pid 21538] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21538] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21539] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21539] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21538] <... futex resumed>) = 0 [pid 21538] exit_group(0) = ? [pid 21539] +++ exited with 0 +++ [pid 21538] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21538, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21540 ./strace-static-x86_64: Process 21540 attached [pid 21540] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21540] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21540] setpgid(0, 0) = 0 [pid 21540] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21540] write(3, "1000", 4) = 4 [pid 21540] close(3) = 0 [pid 21540] write(1, "executing program\n", 18executing program ) = 18 [pid 21540] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21540] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21540] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21540] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21540] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21540] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21540] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21541]}, 88) = 21541 [pid 21540] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21540] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21540] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21541 attached [pid 21541] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21541] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21541] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21541] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21540] <... futex resumed>) = 0 [pid 21540] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21540] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21541] <... futex resumed>) = 1 [pid 21541] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21541] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21540] <... futex resumed>) = 0 [pid 21540] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21540] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21541] <... futex resumed>) = 1 [pid 21541] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21541] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21540] <... futex resumed>) = 0 [pid 21540] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21540] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21541] <... futex resumed>) = 1 [pid 21541] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21541] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21540] <... futex resumed>) = 0 [pid 21540] exit_group(0) = ? [pid 21541] <... futex resumed>) = ? [pid 21541] +++ exited with 0 +++ [pid 21540] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21540, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21542 attached , child_tidptr=0x55557e841690) = 21542 [pid 21542] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21542] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21542] setpgid(0, 0) = 0 [pid 21542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21542] write(3, "1000", 4) = 4 [pid 21542] close(3executing program ) = 0 [pid 21542] write(1, "executing program\n", 18) = 18 [pid 21542] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21542] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21542] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21542] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21542] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21542] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21542] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21543 attached => {parent_tid=[21543]}, 88) = 21543 [pid 21543] set_robust_list(0x7f5486a549a0, 24 [pid 21542] rt_sigprocmask(SIG_SETMASK, [], [pid 21543] <... set_robust_list resumed>) = 0 [pid 21542] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21543] rt_sigprocmask(SIG_SETMASK, [], [pid 21542] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21543] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21542] <... futex resumed>) = 0 [pid 21543] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21542] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21543] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21543] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21542] <... futex resumed>) = 0 [pid 21542] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21542] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21543] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21543] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21542] <... futex resumed>) = 0 [pid 21542] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21542] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21543] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21543] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21542] <... futex resumed>) = 0 [pid 21542] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21542] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21543] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21543] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21542] <... futex resumed>) = 0 [pid 21542] exit_group(0) = ? [pid 21543] +++ exited with 0 +++ [pid 21542] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21542, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21544 attached , child_tidptr=0x55557e841690) = 21544 [pid 21544] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21544] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21544] setpgid(0, 0) = 0 [pid 21544] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21544] write(3, "1000", 4) = 4 [pid 21544] close(3) = 0 executing program [pid 21544] write(1, "executing program\n", 18) = 18 [pid 21544] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21544] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21544] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21544] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21544] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21544] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21544] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21545]}, 88) = 21545 ./strace-static-x86_64: Process 21545 attached [pid 21544] rt_sigprocmask(SIG_SETMASK, [], [pid 21545] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21544] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21545] rt_sigprocmask(SIG_SETMASK, [], [pid 21544] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21545] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21544] <... futex resumed>) = 0 [pid 21545] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21544] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21545] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21545] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21544] <... futex resumed>) = 0 [pid 21544] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21544] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21545] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21545] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21544] <... futex resumed>) = 0 [pid 21544] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21544] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21545] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21545] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21544] <... futex resumed>) = 0 [pid 21544] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21544] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21545] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21545] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21544] <... futex resumed>) = 0 [pid 21544] exit_group(0) = ? [pid 21545] +++ exited with 0 +++ [pid 21544] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21544, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21546 attached , child_tidptr=0x55557e841690) = 21546 [pid 21546] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21546] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21546] setpgid(0, 0) = 0 [pid 21546] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21546] write(3, "1000", 4) = 4 [pid 21546] close(3) = 0 [pid 21546] write(1, "executing program\n", 18executing program ) = 18 [pid 21546] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21546] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21546] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21546] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21546] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21546] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21546] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21547 attached => {parent_tid=[21547]}, 88) = 21547 [pid 21546] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21546] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21546] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21547] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21547] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21547] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21547] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21546] <... futex resumed>) = 0 [pid 21547] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21546] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21547] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21546] <... futex resumed>) = 0 [pid 21547] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21546] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21547] <... futex resumed>) = 0 [pid 21546] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21547] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21546] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21547] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21546] <... futex resumed>) = 0 [pid 21547] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21546] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21547] <... futex resumed>) = 0 [pid 21546] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21547] write(-1, "0x0000000000000001", 18 [pid 21546] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21547] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21546] <... futex resumed>) = 0 [pid 21547] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21546] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21547] <... futex resumed>) = 0 [pid 21546] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21547] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21546] exit_group(0 [pid 21547] <... futex resumed>) = ? [pid 21546] <... exit_group resumed>) = ? [pid 21547] +++ exited with 0 +++ [pid 21546] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21546, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21548 attached , child_tidptr=0x55557e841690) = 21548 [pid 21548] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21548] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21548] setpgid(0, 0) = 0 [pid 21548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21548] write(3, "1000", 4) = 4 [pid 21548] close(3) = 0 [pid 21548] write(1, "executing program\n", 18executing program ) = 18 [pid 21548] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21548] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21548] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21548] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21548] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21548] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21548] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21549 attached => {parent_tid=[21549]}, 88) = 21549 [pid 21548] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21548] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21548] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21549] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21549] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21549] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21549] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21548] <... futex resumed>) = 0 [pid 21549] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21548] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21549] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21548] <... futex resumed>) = 0 [pid 21549] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21548] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21549] <... futex resumed>) = 0 [pid 21548] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21549] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21548] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21549] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21548] <... futex resumed>) = 0 [pid 21549] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21548] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21549] <... futex resumed>) = 0 [pid 21548] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21549] write(-1, "0x0000000000000001", 18 [pid 21548] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21549] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21548] <... futex resumed>) = 0 [pid 21549] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21548] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21549] <... futex resumed>) = 0 [pid 21548] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21549] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21548] exit_group(0 [pid 21549] <... futex resumed>) = ? [pid 21548] <... exit_group resumed>) = ? [pid 21549] +++ exited with 0 +++ [pid 21548] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21548, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21550 ./strace-static-x86_64: Process 21550 attached [pid 21550] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21550] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21550] setpgid(0, 0) = 0 [pid 21550] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21550] write(3, "1000", 4) = 4 executing program [pid 21550] close(3) = 0 [pid 21550] write(1, "executing program\n", 18) = 18 [pid 21550] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21550] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21550] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21550] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21550] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21550] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21550] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21551 attached => {parent_tid=[21551]}, 88) = 21551 [pid 21550] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21550] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21550] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21551] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21551] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21551] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21551] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21550] <... futex resumed>) = 0 [pid 21551] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21550] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21551] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21550] <... futex resumed>) = 0 [pid 21551] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21550] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21551] <... futex resumed>) = 0 [pid 21550] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21551] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21550] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21551] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21550] <... futex resumed>) = 0 [pid 21551] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21550] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21551] <... futex resumed>) = 0 [pid 21550] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21551] write(-1, "0x0000000000000001", 18 [pid 21550] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21551] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21550] <... futex resumed>) = 0 [pid 21551] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21550] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21551] <... futex resumed>) = 0 [pid 21550] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21551] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21550] exit_group(0 [pid 21551] <... futex resumed>) = ? [pid 21550] <... exit_group resumed>) = ? [pid 21551] +++ exited with 0 +++ [pid 21550] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21550, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21552 ./strace-static-x86_64: Process 21552 attached [pid 21552] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21552] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21552] setpgid(0, 0) = 0 [pid 21552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21552] write(3, "1000", 4) = 4 [pid 21552] close(3) = 0 executing program [pid 21552] write(1, "executing program\n", 18) = 18 [pid 21552] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21552] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21552] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21552] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21552] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21552] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21552] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21553]}, 88) = 21553 [pid 21552] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21552] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21552] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21553 attached [pid 21553] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21553] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21553] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21553] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21552] <... futex resumed>) = 0 [pid 21553] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21552] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21553] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21552] <... futex resumed>) = 0 [pid 21553] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21552] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21553] <... futex resumed>) = 0 [pid 21552] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21553] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21552] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21553] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21552] <... futex resumed>) = 0 [pid 21553] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21552] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21553] <... futex resumed>) = 0 [pid 21552] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21553] write(-1, "0x0000000000000001", 18 [pid 21552] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21553] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21552] <... futex resumed>) = 0 [pid 21553] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21552] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21553] <... futex resumed>) = 0 [pid 21552] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21553] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21552] exit_group(0 [pid 21553] <... futex resumed>) = ? [pid 21552] <... exit_group resumed>) = ? [pid 21553] +++ exited with 0 +++ [pid 21552] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21552, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21554 ./strace-static-x86_64: Process 21554 attached [pid 21554] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21554] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21554] setpgid(0, 0) = 0 [pid 21554] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21554] write(3, "1000", 4) = 4 [pid 21554] close(3) = 0 [pid 21554] write(1, "executing program\n", 18executing program ) = 18 [pid 21554] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21554] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21554] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21554] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21554] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21554] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21554] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21555 attached => {parent_tid=[21555]}, 88) = 21555 [pid 21554] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21554] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21554] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21555] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21555] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21555] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21555] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21554] <... futex resumed>) = 0 [pid 21555] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21554] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21555] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21554] <... futex resumed>) = 0 [pid 21555] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21554] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21555] <... futex resumed>) = 0 [pid 21554] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21555] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21554] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21555] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21555] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21554] <... futex resumed>) = 0 [pid 21555] <... futex resumed>) = 0 [pid 21554] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21555] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21554] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21555] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21554] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21555] write(-1, "0x0000000000000001", 18 [pid 21554] <... futex resumed>) = 0 [pid 21555] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21554] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21555] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21554] <... futex resumed>) = 0 [pid 21555] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21554] exit_group(0 [pid 21555] <... futex resumed>) = ? [pid 21554] <... exit_group resumed>) = ? [pid 21555] +++ exited with 0 +++ [pid 21554] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21554, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21556 ./strace-static-x86_64: Process 21556 attached [pid 21556] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21556] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21556] setpgid(0, 0) = 0 [pid 21556] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21556] write(3, "1000", 4) = 4 [pid 21556] close(3) = 0 [pid 21556] write(1, "executing program\n", 18executing program ) = 18 [pid 21556] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21556] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21556] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21556] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21556] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21556] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21556] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21557 attached => {parent_tid=[21557]}, 88) = 21557 [pid 21557] set_robust_list(0x7f5486a549a0, 24 [pid 21556] rt_sigprocmask(SIG_SETMASK, [], [pid 21557] <... set_robust_list resumed>) = 0 [pid 21556] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21557] rt_sigprocmask(SIG_SETMASK, [], [pid 21556] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21557] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21556] <... futex resumed>) = 0 [pid 21556] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21557] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21557] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21557] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21556] <... futex resumed>) = 0 [pid 21556] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21557] <... futex resumed>) = 0 [pid 21556] <... futex resumed>) = 1 [pid 21557] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21556] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21557] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21557] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21557] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21556] <... futex resumed>) = 0 [pid 21556] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21557] <... futex resumed>) = 0 [pid 21556] <... futex resumed>) = 1 [pid 21557] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21556] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21557] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21557] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21556] <... futex resumed>) = 0 [pid 21557] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21556] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21557] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21556] <... futex resumed>) = 0 [pid 21557] write(-1, "0x0000000000000001", 18 [pid 21556] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21557] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21557] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21556] <... futex resumed>) = 0 [pid 21557] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21556] exit_group(0 [pid 21557] <... futex resumed>) = ? [pid 21556] <... exit_group resumed>) = ? [pid 21557] +++ exited with 0 +++ [pid 21556] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21556, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21558 ./strace-static-x86_64: Process 21558 attached [pid 21558] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21558] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21558] setpgid(0, 0) = 0 [pid 21558] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21558] write(3, "1000", 4) = 4 [pid 21558] close(3) = 0 executing program [pid 21558] write(1, "executing program\n", 18) = 18 [pid 21558] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21558] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21558] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21558] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21558] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21558] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21558] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21559]}, 88) = 21559 [pid 21558] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21558] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21558] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21559 attached [pid 21559] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21559] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21559] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21559] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21558] <... futex resumed>) = 0 [pid 21559] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21558] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21559] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21558] <... futex resumed>) = 0 [pid 21559] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21558] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21559] <... futex resumed>) = 0 [pid 21558] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21559] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21558] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21559] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21558] <... futex resumed>) = 0 [pid 21559] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21558] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21559] <... futex resumed>) = 0 [pid 21558] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21559] write(-1, "0x0000000000000001", 18 [pid 21558] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21559] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21558] <... futex resumed>) = 0 [pid 21559] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21558] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21559] <... futex resumed>) = 0 [pid 21558] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21559] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21558] exit_group(0 [pid 21559] <... futex resumed>) = ? [pid 21558] <... exit_group resumed>) = ? [pid 21559] +++ exited with 0 +++ [pid 21558] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21558, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21560 ./strace-static-x86_64: Process 21560 attached [pid 21560] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21560] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21560] setpgid(0, 0) = 0 [pid 21560] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21560] write(3, "1000", 4) = 4 [pid 21560] close(3) = 0 executing program [pid 21560] write(1, "executing program\n", 18) = 18 [pid 21560] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21560] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21560] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21560] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21560] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21560] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21560] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21561]}, 88) = 21561 [pid 21560] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21560] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21560] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21561 attached [pid 21561] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21561] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21561] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21561] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21560] <... futex resumed>) = 0 [pid 21560] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21560] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21561] <... futex resumed>) = 1 [pid 21561] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21561] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21560] <... futex resumed>) = 0 [pid 21560] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21560] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21561] <... futex resumed>) = 1 [pid 21561] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21561] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21560] <... futex resumed>) = 0 [pid 21560] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21560] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21561] <... futex resumed>) = 1 [pid 21561] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21561] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21560] <... futex resumed>) = 0 [pid 21560] exit_group(0) = ? [pid 21561] <... futex resumed>) = ? [pid 21561] +++ exited with 0 +++ [pid 21560] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21560, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21562 ./strace-static-x86_64: Process 21562 attached [pid 21562] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21562] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21562] setpgid(0, 0) = 0 [pid 21562] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21562] write(3, "1000", 4) = 4 [pid 21562] close(3) = 0 [pid 21562] write(1, "executing program\n", 18executing program ) = 18 [pid 21562] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21562] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21562] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21562] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21562] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21562] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21562] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21563 attached => {parent_tid=[21563]}, 88) = 21563 [pid 21562] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21562] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21562] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21563] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21563] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21563] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21563] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21562] <... futex resumed>) = 0 [pid 21562] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21562] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21563] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21563] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21562] <... futex resumed>) = 0 [pid 21562] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21562] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21563] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21563] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21562] <... futex resumed>) = 0 [pid 21562] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21562] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21563] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21563] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21562] <... futex resumed>) = 0 [pid 21562] exit_group(0) = ? [pid 21563] +++ exited with 0 +++ [pid 21562] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21562, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21564 ./strace-static-x86_64: Process 21564 attached [pid 21564] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21564] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21564] setpgid(0, 0) = 0 [pid 21564] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21564] write(3, "1000", 4) = 4 [pid 21564] close(3) = 0 executing program [pid 21564] write(1, "executing program\n", 18) = 18 [pid 21564] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21564] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21564] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21564] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21564] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21564] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21564] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21565 attached => {parent_tid=[21565]}, 88) = 21565 [pid 21565] set_robust_list(0x7f5486a549a0, 24 [pid 21564] rt_sigprocmask(SIG_SETMASK, [], [pid 21565] <... set_robust_list resumed>) = 0 [pid 21564] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21565] rt_sigprocmask(SIG_SETMASK, [], [pid 21564] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21565] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21564] <... futex resumed>) = 0 [pid 21565] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21564] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21565] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21565] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21565] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21564] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21564] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21565] <... futex resumed>) = 0 [pid 21565] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21564] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21565] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21564] <... futex resumed>) = 0 [pid 21564] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21564] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21565] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21565] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21564] <... futex resumed>) = 0 [pid 21564] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21564] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21565] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21565] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21564] <... futex resumed>) = 0 [pid 21564] exit_group(0) = ? [pid 21565] +++ exited with 0 +++ [pid 21564] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21564, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21566 attached , child_tidptr=0x55557e841690) = 21566 [pid 21566] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21566] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21566] setpgid(0, 0) = 0 [pid 21566] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21566] write(3, "1000", 4) = 4 [pid 21566] close(3executing program ) = 0 [pid 21566] write(1, "executing program\n", 18) = 18 [pid 21566] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21566] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21566] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21566] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21566] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21566] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21566] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21567]}, 88) = 21567 [pid 21566] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21566] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21566] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21567 attached [pid 21567] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21567] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21567] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21567] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21566] <... futex resumed>) = 0 [pid 21566] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21566] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21567] <... futex resumed>) = 1 [pid 21567] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21567] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21566] <... futex resumed>) = 0 [pid 21566] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21566] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21567] <... futex resumed>) = 1 [pid 21567] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21567] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21566] <... futex resumed>) = 0 [pid 21566] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21566] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21567] <... futex resumed>) = 1 [pid 21567] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21567] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21566] <... futex resumed>) = 0 [pid 21566] exit_group(0) = ? [pid 21567] <... futex resumed>) = ? [pid 21567] +++ exited with 0 +++ [pid 21566] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21566, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21568 ./strace-static-x86_64: Process 21568 attached [pid 21568] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21568] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21568] setpgid(0, 0) = 0 [pid 21568] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21568] write(3, "1000", 4) = 4 [pid 21568] close(3) = 0 [pid 21568] write(1, "executing program\n", 18executing program ) = 18 [pid 21568] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21568] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21568] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21568] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21568] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21568] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21568] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21569]}, 88) = 21569 [pid 21568] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21568] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21568] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21569 attached [pid 21569] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21569] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21569] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21569] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21568] <... futex resumed>) = 0 [pid 21568] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21568] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21569] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21569] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21568] <... futex resumed>) = 0 [pid 21568] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21568] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21569] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21569] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21568] <... futex resumed>) = 0 [pid 21568] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21568] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21569] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21569] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21568] <... futex resumed>) = 0 [pid 21568] exit_group(0) = ? [pid 21569] +++ exited with 0 +++ [pid 21568] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21568, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21570 attached , child_tidptr=0x55557e841690) = 21570 [pid 21570] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21570] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21570] setpgid(0, 0) = 0 [pid 21570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21570] write(3, "1000", 4) = 4 [pid 21570] close(3) = 0 [pid 21570] write(1, "executing program\n", 18executing program ) = 18 [pid 21570] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21570] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21570] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21570] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21570] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21570] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21570] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21571 attached => {parent_tid=[21571]}, 88) = 21571 [pid 21571] set_robust_list(0x7f5486a549a0, 24 [pid 21570] rt_sigprocmask(SIG_SETMASK, [], [pid 21571] <... set_robust_list resumed>) = 0 [pid 21570] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21571] rt_sigprocmask(SIG_SETMASK, [], [pid 21570] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21571] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21570] <... futex resumed>) = 0 [pid 21571] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21570] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21571] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21571] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21570] <... futex resumed>) = 0 [pid 21570] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21570] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21571] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21571] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21570] <... futex resumed>) = 0 [pid 21570] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21570] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21571] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21571] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21570] <... futex resumed>) = 0 [pid 21570] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21570] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21571] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21571] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21570] <... futex resumed>) = 0 [pid 21570] exit_group(0) = ? [pid 21571] +++ exited with 0 +++ [pid 21570] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21570, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21572 attached , child_tidptr=0x55557e841690) = 21572 [pid 21572] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21572] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21572] setpgid(0, 0) = 0 [pid 21572] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21572] write(3, "1000", 4) = 4 executing program [pid 21572] close(3) = 0 [pid 21572] write(1, "executing program\n", 18) = 18 [pid 21572] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21572] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21572] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21572] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21572] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21572] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21572] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21573]}, 88) = 21573 [pid 21572] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21572] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21572] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21573 attached [pid 21573] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21573] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21573] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21573] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21572] <... futex resumed>) = 0 [pid 21572] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21572] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21573] <... futex resumed>) = 1 [pid 21573] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21573] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21572] <... futex resumed>) = 0 [pid 21572] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21572] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21573] <... futex resumed>) = 1 [pid 21573] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21573] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21572] <... futex resumed>) = 0 [pid 21572] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21572] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21573] <... futex resumed>) = 1 [pid 21573] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21573] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21572] <... futex resumed>) = 0 [pid 21572] exit_group(0) = ? [pid 21573] <... futex resumed>) = ? [pid 21573] +++ exited with 0 +++ [pid 21572] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21572, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21574 attached , child_tidptr=0x55557e841690) = 21574 [pid 21574] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21574] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21574] setpgid(0, 0) = 0 [pid 21574] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21574] write(3, "1000", 4) = 4 [pid 21574] close(3) = 0 executing program [pid 21574] write(1, "executing program\n", 18) = 18 [pid 21574] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21574] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21574] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21574] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21574] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21574] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21574] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21575 attached => {parent_tid=[21575]}, 88) = 21575 [pid 21575] set_robust_list(0x7f5486a549a0, 24 [pid 21574] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21574] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21574] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21575] <... set_robust_list resumed>) = 0 [pid 21575] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21575] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21575] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21574] <... futex resumed>) = 0 [pid 21574] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21574] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21575] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21575] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21574] <... futex resumed>) = 0 [pid 21574] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21574] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21575] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21575] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21574] <... futex resumed>) = 0 [pid 21574] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21574] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21575] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21575] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21574] <... futex resumed>) = 0 [pid 21574] exit_group(0) = ? [pid 21575] +++ exited with 0 +++ [pid 21574] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21574, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21576 attached , child_tidptr=0x55557e841690) = 21576 [pid 21576] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21576] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21576] setpgid(0, 0) = 0 [pid 21576] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21576] write(3, "1000", 4) = 4 [pid 21576] close(3) = 0 [pid 21576] write(1, "executing program\n", 18executing program ) = 18 [pid 21576] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21576] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21576] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21576] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21576] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21576] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21576] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21577]}, 88) = 21577 ./strace-static-x86_64: Process 21577 attached [pid 21576] rt_sigprocmask(SIG_SETMASK, [], [pid 21577] set_robust_list(0x7f5486a549a0, 24 [pid 21576] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21577] <... set_robust_list resumed>) = 0 [pid 21577] rt_sigprocmask(SIG_SETMASK, [], [pid 21576] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21577] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21576] <... futex resumed>) = 0 [pid 21577] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21576] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21577] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21577] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21576] <... futex resumed>) = 0 [pid 21576] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21576] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21577] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21577] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21576] <... futex resumed>) = 0 [pid 21576] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21576] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21577] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21577] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21576] <... futex resumed>) = 0 [pid 21576] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21576] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21577] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21577] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21576] <... futex resumed>) = 0 [pid 21576] exit_group(0) = ? [pid 21577] +++ exited with 0 +++ [pid 21576] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21576, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21578 ./strace-static-x86_64: Process 21578 attached [pid 21578] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21578] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21578] setpgid(0, 0) = 0 [pid 21578] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21578] write(3, "1000", 4) = 4 executing program [pid 21578] close(3) = 0 [pid 21578] write(1, "executing program\n", 18) = 18 [pid 21578] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21578] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21578] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21578] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21578] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21578] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21578] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21579]}, 88) = 21579 ./strace-static-x86_64: Process 21579 attached [pid 21578] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21578] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21578] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21579] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21579] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21579] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21579] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21578] <... futex resumed>) = 0 [pid 21578] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21578] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21579] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21579] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21578] <... futex resumed>) = 0 [pid 21578] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21578] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21579] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21579] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21578] <... futex resumed>) = 0 [pid 21578] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21578] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21579] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21579] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21578] <... futex resumed>) = 0 [pid 21578] exit_group(0) = ? [pid 21579] +++ exited with 0 +++ [pid 21578] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21578, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21580 ./strace-static-x86_64: Process 21580 attached [pid 21580] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21580] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21580] setpgid(0, 0) = 0 [pid 21580] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21580] write(3, "1000", 4) = 4 [pid 21580] close(3) = 0 executing program [pid 21580] write(1, "executing program\n", 18) = 18 [pid 21580] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21580] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21580] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21580] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21580] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21580] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21580] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21581 attached => {parent_tid=[21581]}, 88) = 21581 [pid 21581] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21581] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21581] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21580] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21580] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21581] <... futex resumed>) = 0 [pid 21580] <... futex resumed>) = 1 [pid 21580] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21581] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21581] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21581] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21580] <... futex resumed>) = 0 [pid 21580] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21581] <... futex resumed>) = 0 [pid 21580] <... futex resumed>) = 1 [pid 21581] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21580] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21581] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21581] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21580] <... futex resumed>) = 0 [pid 21581] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21580] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21581] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21580] <... futex resumed>) = 0 [pid 21581] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21580] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21581] <... futex resumed>) = 0 [pid 21580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21581] write(-1, "0x0000000000000001", 18 [pid 21580] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21581] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21580] <... futex resumed>) = 0 [pid 21581] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21580] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21581] <... futex resumed>) = 0 [pid 21580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21581] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21580] exit_group(0 [pid 21581] <... futex resumed>) = ? [pid 21580] <... exit_group resumed>) = ? [pid 21581] +++ exited with 0 +++ [pid 21580] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21580, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21582 ./strace-static-x86_64: Process 21582 attached [pid 21582] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21582] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21582] setpgid(0, 0) = 0 [pid 21582] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21582] write(3, "1000", 4) = 4 [pid 21582] close(3) = 0 executing program [pid 21582] write(1, "executing program\n", 18) = 18 [pid 21582] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21582] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21582] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21582] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21582] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21582] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21582] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21583]}, 88) = 21583 [pid 21582] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21582] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21582] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21583 attached [pid 21583] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21583] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21583] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21583] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21582] <... futex resumed>) = 0 [pid 21582] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21582] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21583] <... futex resumed>) = 1 [pid 21583] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21583] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21582] <... futex resumed>) = 0 [pid 21582] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21582] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21583] <... futex resumed>) = 1 [pid 21583] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21583] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21582] <... futex resumed>) = 0 [pid 21582] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21582] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21583] <... futex resumed>) = 1 [pid 21583] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21583] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21582] <... futex resumed>) = 0 [pid 21582] exit_group(0) = ? [pid 21583] <... futex resumed>) = ? [pid 21583] +++ exited with 0 +++ [pid 21582] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21582, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21584 attached , child_tidptr=0x55557e841690) = 21584 [pid 21584] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21584] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21584] setpgid(0, 0) = 0 [pid 21584] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21584] write(3, "1000", 4) = 4 [pid 21584] close(3executing program ) = 0 [pid 21584] write(1, "executing program\n", 18) = 18 [pid 21584] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21584] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21584] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21584] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21584] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21584] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21584] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21585]}, 88) = 21585 [pid 21584] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21584] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21584] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21585 attached [pid 21585] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21585] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21585] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21585] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21584] <... futex resumed>) = 0 [pid 21584] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21584] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21585] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21585] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21584] <... futex resumed>) = 0 [pid 21584] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21584] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21585] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21585] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21584] <... futex resumed>) = 0 [pid 21584] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21584] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21585] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21585] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21584] <... futex resumed>) = 0 [pid 21584] exit_group(0) = ? [pid 21585] +++ exited with 0 +++ [pid 21584] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21584, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21586 attached [pid 21586] set_robust_list(0x55557e8416a0, 24) = 0 [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 21586 [pid 21586] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21586] setpgid(0, 0) = 0 [pid 21586] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21586] write(3, "1000", 4) = 4 [pid 21586] close(3executing program ) = 0 [pid 21586] write(1, "executing program\n", 18) = 18 [pid 21586] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21586] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21586] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21586] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21586] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21586] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21586] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21587]}, 88) = 21587 [pid 21586] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21586] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21586] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21587 attached [pid 21587] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21587] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21587] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21587] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21586] <... futex resumed>) = 0 [pid 21586] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21586] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21587] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21587] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21586] <... futex resumed>) = 0 [pid 21586] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21586] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21587] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21587] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21586] <... futex resumed>) = 0 [pid 21586] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21586] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21587] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21587] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21586] <... futex resumed>) = 0 [pid 21586] exit_group(0) = ? [pid 21587] +++ exited with 0 +++ [pid 21586] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21586, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21588 attached [pid 21588] set_robust_list(0x55557e8416a0, 24) = 0 [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 21588 [pid 21588] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21588] setpgid(0, 0) = 0 [pid 21588] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21588] write(3, "1000", 4) = 4 [pid 21588] close(3executing program ) = 0 [pid 21588] write(1, "executing program\n", 18) = 18 [pid 21588] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21588] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21588] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21588] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21588] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21588] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21588] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21589 attached [pid 21589] set_robust_list(0x7f5486a549a0, 24 [pid 21588] <... clone3 resumed> => {parent_tid=[21589]}, 88) = 21589 [pid 21588] rt_sigprocmask(SIG_SETMASK, [], [pid 21589] <... set_robust_list resumed>) = 0 [pid 21589] rt_sigprocmask(SIG_SETMASK, [], [pid 21588] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21589] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21588] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21589] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21588] <... futex resumed>) = 0 [pid 21588] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21589] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21589] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21588] <... futex resumed>) = 0 [pid 21588] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21588] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21589] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21589] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21588] <... futex resumed>) = 0 [pid 21588] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21588] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21589] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21589] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21588] <... futex resumed>) = 0 [pid 21588] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21589] write(-1, "0x0000000000000001", 18 [pid 21588] <... futex resumed>) = 0 [pid 21589] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21588] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21589] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21588] <... futex resumed>) = 0 [pid 21589] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21588] exit_group(0 [pid 21589] <... futex resumed>) = ? [pid 21588] <... exit_group resumed>) = ? [pid 21589] +++ exited with 0 +++ [pid 21588] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21588, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21590 attached , child_tidptr=0x55557e841690) = 21590 [pid 21590] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21590] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21590] setpgid(0, 0) = 0 [pid 21590] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21590] write(3, "1000", 4) = 4 executing program [pid 21590] close(3) = 0 [pid 21590] write(1, "executing program\n", 18) = 18 [pid 21590] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21590] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21590] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21590] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21590] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21590] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21590] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21591 attached [pid 21591] set_robust_list(0x7f5486a549a0, 24 [pid 21590] <... clone3 resumed> => {parent_tid=[21591]}, 88) = 21591 [pid 21591] <... set_robust_list resumed>) = 0 [pid 21590] rt_sigprocmask(SIG_SETMASK, [], [pid 21591] rt_sigprocmask(SIG_SETMASK, [], [pid 21590] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21591] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21590] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21591] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21590] <... futex resumed>) = 0 [pid 21591] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21590] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21591] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21590] <... futex resumed>) = 0 [pid 21591] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21590] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21591] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21590] <... futex resumed>) = 0 [pid 21591] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21590] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21591] <... futex resumed>) = 0 [pid 21590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21591] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21590] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21591] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21590] <... futex resumed>) = 0 [pid 21591] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21590] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21591] <... futex resumed>) = 0 [pid 21590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21591] write(-1, "0x0000000000000001", 18 [pid 21590] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21591] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21590] <... futex resumed>) = 0 [pid 21591] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21590] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21591] <... futex resumed>) = 0 [pid 21590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21591] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21590] exit_group(0 [pid 21591] <... futex resumed>) = ? [pid 21590] <... exit_group resumed>) = ? [pid 21591] +++ exited with 0 +++ [pid 21590] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21590, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21592 attached , child_tidptr=0x55557e841690) = 21592 [pid 21592] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21592] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21592] setpgid(0, 0) = 0 [pid 21592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21592] write(3, "1000", 4) = 4 executing program [pid 21592] close(3) = 0 [pid 21592] write(1, "executing program\n", 18) = 18 [pid 21592] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21592] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21592] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21592] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21592] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21592] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21592] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21593 attached => {parent_tid=[21593]}, 88) = 21593 [pid 21593] set_robust_list(0x7f5486a549a0, 24 [pid 21592] rt_sigprocmask(SIG_SETMASK, [], [pid 21593] <... set_robust_list resumed>) = 0 [pid 21592] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21593] rt_sigprocmask(SIG_SETMASK, [], [pid 21592] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21593] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21592] <... futex resumed>) = 0 [pid 21592] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21593] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21593] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21592] <... futex resumed>) = 0 [pid 21593] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21592] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21593] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21592] <... futex resumed>) = 0 [pid 21593] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21592] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21593] <... futex resumed>) = 0 [pid 21592] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21593] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21592] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21593] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21592] <... futex resumed>) = 0 [pid 21593] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21592] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21593] <... futex resumed>) = 0 [pid 21592] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21593] write(-1, "0x0000000000000001", 18 [pid 21592] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21593] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21592] <... futex resumed>) = 0 [pid 21593] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21592] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21593] <... futex resumed>) = 0 [pid 21592] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21593] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21592] exit_group(0 [pid 21593] <... futex resumed>) = ? [pid 21592] <... exit_group resumed>) = ? [pid 21593] +++ exited with 0 +++ [pid 21592] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21592, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21594 ./strace-static-x86_64: Process 21594 attached [pid 21594] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21594] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21594] setpgid(0, 0) = 0 [pid 21594] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21594] write(3, "1000", 4executing program ) = 4 [pid 21594] close(3) = 0 [pid 21594] write(1, "executing program\n", 18) = 18 [pid 21594] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21594] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21594] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21594] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21594] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21594] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21594] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21595 attached => {parent_tid=[21595]}, 88) = 21595 [pid 21595] set_robust_list(0x7f5486a549a0, 24 [pid 21594] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21594] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21594] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21595] <... set_robust_list resumed>) = 0 [pid 21595] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21595] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21595] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21594] <... futex resumed>) = 0 [pid 21595] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21594] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21595] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21594] <... futex resumed>) = 0 [pid 21595] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21594] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21595] <... futex resumed>) = 0 [pid 21594] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21595] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21594] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21595] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21594] <... futex resumed>) = 0 [pid 21595] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21594] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21595] <... futex resumed>) = 0 [pid 21594] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21595] write(-1, "0x0000000000000001", 18 [pid 21594] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21595] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21594] <... futex resumed>) = 0 [pid 21595] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21594] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21595] <... futex resumed>) = 0 [pid 21594] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21595] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21594] exit_group(0 [pid 21595] <... futex resumed>) = ? [pid 21594] <... exit_group resumed>) = ? [pid 21595] +++ exited with 0 +++ [pid 21594] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21594, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21596 attached , child_tidptr=0x55557e841690) = 21596 [pid 21596] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21596] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21596] setpgid(0, 0) = 0 [pid 21596] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21596] write(3, "1000", 4) = 4 [pid 21596] close(3) = 0 [pid 21596] write(1, "executing program\n", 18executing program ) = 18 [pid 21596] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21596] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21596] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21596] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21596] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21596] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21596] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21597 attached => {parent_tid=[21597]}, 88) = 21597 [pid 21596] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21596] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21596] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21597] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21597] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21597] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21597] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21596] <... futex resumed>) = 0 [pid 21597] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21596] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21597] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21596] <... futex resumed>) = 0 [pid 21597] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21596] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21597] <... futex resumed>) = 0 [pid 21596] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21597] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21596] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21597] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21596] <... futex resumed>) = 0 [pid 21597] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21596] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21597] <... futex resumed>) = 0 [pid 21596] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21597] write(-1, "0x0000000000000001", 18 [pid 21596] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21597] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21596] <... futex resumed>) = 0 [pid 21597] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21596] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21597] <... futex resumed>) = 0 [pid 21596] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21597] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21596] exit_group(0 [pid 21597] <... futex resumed>) = ? [pid 21596] <... exit_group resumed>) = ? [pid 21597] +++ exited with 0 +++ [pid 21596] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21596, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21598 ./strace-static-x86_64: Process 21598 attached [pid 21598] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21598] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21598] setpgid(0, 0) = 0 [pid 21598] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21598] write(3, "1000", 4) = 4 [pid 21598] close(3) = 0 executing program [pid 21598] write(1, "executing program\n", 18) = 18 [pid 21598] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21598] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21598] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21598] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21598] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21598] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21598] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21599]}, 88) = 21599 ./strace-static-x86_64: Process 21599 attached [pid 21598] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21598] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21598] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21599] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21599] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21599] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21599] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21598] <... futex resumed>) = 0 [pid 21599] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21598] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21599] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21598] <... futex resumed>) = 0 [pid 21599] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21598] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21599] <... futex resumed>) = 0 [pid 21598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21599] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21598] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21599] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21598] <... futex resumed>) = 0 [pid 21599] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21598] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21599] <... futex resumed>) = 0 [pid 21598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21599] write(-1, "0x0000000000000001", 18 [pid 21598] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21599] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21598] <... futex resumed>) = 0 [pid 21599] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21598] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21599] <... futex resumed>) = 0 [pid 21598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21599] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21598] exit_group(0 [pid 21599] <... futex resumed>) = ? [pid 21598] <... exit_group resumed>) = ? [pid 21599] +++ exited with 0 +++ [pid 21598] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21598, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21600 ./strace-static-x86_64: Process 21600 attached [pid 21600] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21600] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21600] setpgid(0, 0) = 0 [pid 21600] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21600] write(3, "1000", 4) = 4 [pid 21600] close(3) = 0 [pid 21600] write(1, "executing program\n", 18executing program ) = 18 [pid 21600] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21600] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21600] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21600] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21600] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21600] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21600] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21601]}, 88) = 21601 [pid 21600] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21600] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21600] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21601 attached [pid 21601] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21601] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21601] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21601] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21600] <... futex resumed>) = 0 [pid 21600] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21600] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21601] <... futex resumed>) = 1 [pid 21601] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21601] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21600] <... futex resumed>) = 0 [pid 21600] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21600] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21601] <... futex resumed>) = 1 [pid 21601] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21601] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21600] <... futex resumed>) = 0 [pid 21600] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21600] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21601] <... futex resumed>) = 1 [pid 21601] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21601] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21600] <... futex resumed>) = 0 [pid 21600] exit_group(0) = ? [pid 21601] <... futex resumed>) = ? [pid 21601] +++ exited with 0 +++ [pid 21600] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21600, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21602 ./strace-static-x86_64: Process 21602 attached [pid 21602] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21602] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21602] setpgid(0, 0) = 0 [pid 21602] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21602] write(3, "1000", 4) = 4 [pid 21602] close(3) = 0 [pid 21602] write(1, "executing program\n", 18executing program ) = 18 [pid 21602] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21602] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21602] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21602] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21602] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21602] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21602] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21603 attached => {parent_tid=[21603]}, 88) = 21603 [pid 21602] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21602] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21602] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21603] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21603] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21603] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21603] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21602] <... futex resumed>) = 0 [pid 21602] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21602] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21603] <... futex resumed>) = 1 [pid 21603] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21603] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21602] <... futex resumed>) = 0 [pid 21602] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21602] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21603] <... futex resumed>) = 1 [pid 21603] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21603] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21602] <... futex resumed>) = 0 [pid 21602] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21602] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21603] <... futex resumed>) = 1 [pid 21603] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21603] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21602] <... futex resumed>) = 0 [pid 21602] exit_group(0) = ? [pid 21603] <... futex resumed>) = ? [pid 21603] +++ exited with 0 +++ [pid 21602] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21602, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21604 ./strace-static-x86_64: Process 21604 attached [pid 21604] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21604] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21604] setpgid(0, 0) = 0 [pid 21604] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21604] write(3, "1000", 4) = 4 executing program [pid 21604] close(3) = 0 [pid 21604] write(1, "executing program\n", 18) = 18 [pid 21604] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21604] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21604] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21604] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21604] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21604] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21604] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21605]}, 88) = 21605 ./strace-static-x86_64: Process 21605 attached [pid 21604] rt_sigprocmask(SIG_SETMASK, [], [pid 21605] set_robust_list(0x7f5486a549a0, 24 [pid 21604] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21605] <... set_robust_list resumed>) = 0 [pid 21604] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21605] rt_sigprocmask(SIG_SETMASK, [], [pid 21604] <... futex resumed>) = 0 [pid 21605] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21604] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21605] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21605] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21604] <... futex resumed>) = 0 [pid 21604] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21604] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21605] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21605] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21604] <... futex resumed>) = 0 [pid 21604] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21604] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21605] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21605] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21604] <... futex resumed>) = 0 [pid 21604] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21604] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21605] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21605] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21604] <... futex resumed>) = 0 [pid 21604] exit_group(0) = ? [pid 21605] +++ exited with 0 +++ [pid 21604] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21604, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21606 ./strace-static-x86_64: Process 21606 attached [pid 21606] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21606] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21606] setpgid(0, 0) = 0 [pid 21606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21606] write(3, "1000", 4) = 4 [pid 21606] close(3executing program ) = 0 [pid 21606] write(1, "executing program\n", 18) = 18 [pid 21606] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21606] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21606] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21606] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21606] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21606] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21606] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21607]}, 88) = 21607 ./strace-static-x86_64: Process 21607 attached [pid 21606] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21606] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21606] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21607] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21607] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21607] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21607] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21606] <... futex resumed>) = 0 [pid 21607] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21606] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21607] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21606] <... futex resumed>) = 0 [pid 21607] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21606] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21607] <... futex resumed>) = 0 [pid 21606] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21607] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21606] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21607] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21606] <... futex resumed>) = 0 [pid 21607] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21606] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21607] <... futex resumed>) = 0 [pid 21606] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21607] write(-1, "0x0000000000000001", 18 [pid 21606] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21607] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21606] <... futex resumed>) = 0 [pid 21607] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21606] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21607] <... futex resumed>) = 0 [pid 21606] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21607] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21606] exit_group(0 [pid 21607] <... futex resumed>) = ? [pid 21606] <... exit_group resumed>) = ? [pid 21607] +++ exited with 0 +++ [pid 21606] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21606, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21608 attached , child_tidptr=0x55557e841690) = 21608 [pid 21608] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21608] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21608] setpgid(0, 0) = 0 [pid 21608] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21608] write(3, "1000", 4) = 4 executing program [pid 21608] close(3) = 0 [pid 21608] write(1, "executing program\n", 18) = 18 [pid 21608] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21608] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21608] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21608] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21608] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21608] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21608] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21609 attached => {parent_tid=[21609]}, 88) = 21609 [pid 21609] set_robust_list(0x7f5486a549a0, 24 [pid 21608] rt_sigprocmask(SIG_SETMASK, [], [pid 21609] <... set_robust_list resumed>) = 0 [pid 21608] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21609] rt_sigprocmask(SIG_SETMASK, [], [pid 21608] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21609] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21608] <... futex resumed>) = 0 [pid 21609] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21608] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21609] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21609] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21608] <... futex resumed>) = 0 [pid 21609] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21608] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21609] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21608] <... futex resumed>) = 0 [pid 21609] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21608] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21609] <... futex resumed>) = 0 [pid 21608] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21609] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21608] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21609] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21608] <... futex resumed>) = 0 [pid 21609] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21608] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21609] <... futex resumed>) = 0 [pid 21608] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21609] write(-1, "0x0000000000000001", 18 [pid 21608] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21609] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21608] <... futex resumed>) = 0 [pid 21609] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21608] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21609] <... futex resumed>) = 0 [pid 21608] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21609] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21608] exit_group(0 [pid 21609] <... futex resumed>) = ? [pid 21608] <... exit_group resumed>) = ? [pid 21609] +++ exited with 0 +++ [pid 21608] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21608, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21610 attached [pid 21610] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21610] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21610] setpgid(0, 0) = 0 [pid 21610] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21610] write(3, "1000", 4) = 4 [pid 21610] close(3) = 0 executing program [pid 21610] write(1, "executing program\n", 18) = 18 [pid 21610] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21610] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21610] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21610] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21610] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 21610 [pid 21610] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21610] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21611]}, 88) = 21611 [pid 21610] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21610] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21610] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21611 attached [pid 21611] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21611] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21611] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21611] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21610] <... futex resumed>) = 0 [pid 21610] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21610] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21611] <... futex resumed>) = 1 [pid 21611] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21611] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21610] <... futex resumed>) = 0 [pid 21610] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21610] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21611] <... futex resumed>) = 1 [pid 21611] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21611] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21610] <... futex resumed>) = 0 [pid 21610] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21610] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21611] <... futex resumed>) = 1 [pid 21611] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21611] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21610] <... futex resumed>) = 0 [pid 21610] exit_group(0) = ? [pid 21611] <... futex resumed>) = ? [pid 21611] +++ exited with 0 +++ [pid 21610] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21610, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21612 ./strace-static-x86_64: Process 21612 attached [pid 21612] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21612] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21612] setpgid(0, 0) = 0 [pid 21612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21612] write(3, "1000", 4) = 4 [pid 21612] close(3executing program ) = 0 [pid 21612] write(1, "executing program\n", 18) = 18 [pid 21612] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21612] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21612] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21612] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21612] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21612] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21612] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21613 attached [pid 21613] set_robust_list(0x7f5486a549a0, 24 [pid 21612] <... clone3 resumed> => {parent_tid=[21613]}, 88) = 21613 [pid 21612] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21613] <... set_robust_list resumed>) = 0 [pid 21613] rt_sigprocmask(SIG_SETMASK, [], [pid 21612] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21613] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21612] <... futex resumed>) = 0 [pid 21613] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21612] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21613] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21613] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21612] <... futex resumed>) = 0 [pid 21612] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21612] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21613] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21613] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21613] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21612] <... futex resumed>) = 0 [pid 21612] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21612] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21613] <... futex resumed>) = 0 [pid 21613] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21613] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21612] <... futex resumed>) = 0 [pid 21612] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21612] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21613] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21613] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21612] <... futex resumed>) = 0 [pid 21612] exit_group(0) = ? [pid 21613] +++ exited with 0 +++ [pid 21612] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21612, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21614 attached , child_tidptr=0x55557e841690) = 21614 [pid 21614] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21614] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21614] setpgid(0, 0) = 0 [pid 21614] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21614] write(3, "1000", 4) = 4 executing program [pid 21614] close(3) = 0 [pid 21614] write(1, "executing program\n", 18) = 18 [pid 21614] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21614] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21614] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21614] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21614] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21614] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21614] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21615 attached => {parent_tid=[21615]}, 88) = 21615 [pid 21615] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21615] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21615] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21614] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21614] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21615] <... futex resumed>) = 0 [pid 21615] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21614] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21615] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21615] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21615] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21614] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21614] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21615] <... futex resumed>) = 0 [pid 21615] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21614] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21615] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21614] <... futex resumed>) = 0 [pid 21614] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21614] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21615] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21615] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21614] <... futex resumed>) = 0 [pid 21614] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21614] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21615] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21615] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21614] <... futex resumed>) = 0 [pid 21614] exit_group(0) = ? [pid 21615] +++ exited with 0 +++ [pid 21614] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21614, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21616 ./strace-static-x86_64: Process 21616 attached [pid 21616] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21616] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21616] setpgid(0, 0) = 0 [pid 21616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21616] write(3, "1000", 4) = 4 [pid 21616] close(3) = 0 [pid 21616] write(1, "executing program\n", 18executing program ) = 18 [pid 21616] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21616] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21616] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21616] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21616] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21616] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21616] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21617 attached => {parent_tid=[21617]}, 88) = 21617 [pid 21616] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21616] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21616] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21617] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21617] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21617] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21617] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21616] <... futex resumed>) = 0 [pid 21616] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21616] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21617] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21617] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21616] <... futex resumed>) = 0 [pid 21616] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21616] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21617] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21617] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21616] <... futex resumed>) = 0 [pid 21616] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21616] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21617] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21617] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21616] <... futex resumed>) = 0 [pid 21616] exit_group(0) = ? [pid 21617] +++ exited with 0 +++ [pid 21616] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21616, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21618 ./strace-static-x86_64: Process 21618 attached [pid 21618] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21618] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21618] setpgid(0, 0) = 0 [pid 21618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21618] write(3, "1000", 4) = 4 [pid 21618] close(3) = 0 executing program [pid 21618] write(1, "executing program\n", 18) = 18 [pid 21618] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21618] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21618] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21618] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21618] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21618] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21618] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21619 attached => {parent_tid=[21619]}, 88) = 21619 [pid 21618] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21618] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21618] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21619] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21619] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21619] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21619] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21618] <... futex resumed>) = 0 [pid 21618] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21618] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21619] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21619] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21618] <... futex resumed>) = 0 [pid 21618] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21618] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21619] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21619] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21618] <... futex resumed>) = 0 [pid 21618] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21618] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21619] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21619] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21618] <... futex resumed>) = 0 [pid 21618] exit_group(0) = ? [pid 21619] +++ exited with 0 +++ [pid 21618] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21618, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21620 attached , child_tidptr=0x55557e841690) = 21620 [pid 21620] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21620] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21620] setpgid(0, 0) = 0 [pid 21620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21620] write(3, "1000", 4) = 4 [pid 21620] close(3executing program ) = 0 [pid 21620] write(1, "executing program\n", 18) = 18 [pid 21620] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21620] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21620] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21620] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21620] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21620] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21620] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21621]}, 88) = 21621 ./strace-static-x86_64: Process 21621 attached [pid 21620] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21620] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21620] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21621] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21621] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21621] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21621] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21620] <... futex resumed>) = 0 [pid 21620] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21620] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21621] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21621] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21620] <... futex resumed>) = 0 [pid 21620] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21620] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21621] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21621] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21620] <... futex resumed>) = 0 [pid 21620] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21620] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21621] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21621] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21620] <... futex resumed>) = 0 [pid 21620] exit_group(0) = ? [pid 21621] +++ exited with 0 +++ [pid 21620] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21620, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21622 ./strace-static-x86_64: Process 21622 attached [pid 21622] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21622] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21622] setpgid(0, 0) = 0 [pid 21622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21622] write(3, "1000", 4) = 4 [pid 21622] close(3) = 0 [pid 21622] write(1, "executing program\n", 18executing program ) = 18 [pid 21622] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21622] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21622] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21622] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21622] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21622] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21622] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21623 attached => {parent_tid=[21623]}, 88) = 21623 [pid 21622] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21622] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21622] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21623] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21623] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21623] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21623] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21622] <... futex resumed>) = 0 [pid 21622] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21622] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21623] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21623] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21622] <... futex resumed>) = 0 [pid 21622] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21622] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21623] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21623] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21622] <... futex resumed>) = 0 [pid 21622] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21622] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21623] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21623] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21622] <... futex resumed>) = 0 [pid 21623] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21622] exit_group(0 [pid 21623] <... futex resumed>) = ? [pid 21622] <... exit_group resumed>) = ? [pid 21623] +++ exited with 0 +++ [pid 21622] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21622, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21624 ./strace-static-x86_64: Process 21624 attached [pid 21624] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21624] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21624] setpgid(0, 0) = 0 [pid 21624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21624] write(3, "1000", 4) = 4 executing program [pid 21624] close(3) = 0 [pid 21624] write(1, "executing program\n", 18) = 18 [pid 21624] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21624] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21624] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21624] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21624] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21624] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21624] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21625]}, 88) = 21625 [pid 21624] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21624] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21624] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21625 attached [pid 21625] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21625] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21625] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21625] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21624] <... futex resumed>) = 0 [pid 21624] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21624] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21625] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21625] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21624] <... futex resumed>) = 0 [pid 21624] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21624] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21625] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21625] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21624] <... futex resumed>) = 0 [pid 21624] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21624] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21625] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21625] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21624] <... futex resumed>) = 0 [pid 21624] exit_group(0) = ? [pid 21625] +++ exited with 0 +++ [pid 21624] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21624, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21626 ./strace-static-x86_64: Process 21626 attached [pid 21626] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21626] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21626] setpgid(0, 0) = 0 [pid 21626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21626] write(3, "1000", 4) = 4 [pid 21626] close(3) = 0 [pid 21626] write(1, "executing program\n", 18executing program ) = 18 [pid 21626] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21626] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21626] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21626] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21626] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21626] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21626] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21627]}, 88) = 21627 ./strace-static-x86_64: Process 21627 attached [pid 21626] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21626] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21626] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21627] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21627] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21627] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21626] <... futex resumed>) = 0 [pid 21626] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21626] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21627] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21627] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21626] <... futex resumed>) = 0 [pid 21626] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21626] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21627] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21627] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21626] <... futex resumed>) = 0 [pid 21626] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21626] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21627] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21627] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21626] <... futex resumed>) = 0 [pid 21626] exit_group(0) = ? [pid 21627] +++ exited with 0 +++ [pid 21626] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21626, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21628 attached [pid 21628] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21628] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21628] setpgid(0, 0) = 0 [pid 21628] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 21628 [pid 21628] <... openat resumed>) = 3 [pid 21628] write(3, "1000", 4) = 4 [pid 21628] close(3executing program ) = 0 [pid 21628] write(1, "executing program\n", 18) = 18 [pid 21628] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21628] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21628] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21628] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21628] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21628] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21628] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21629 attached => {parent_tid=[21629]}, 88) = 21629 [pid 21629] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21629] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21629] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21628] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21629] <... futex resumed>) = 0 [pid 21629] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21628] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21629] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21629] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21628] <... futex resumed>) = 0 [pid 21628] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21629] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21628] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21629] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21629] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21628] <... futex resumed>) = 0 [pid 21628] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21628] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21629] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21629] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21628] <... futex resumed>) = 0 [pid 21628] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21628] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21629] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21629] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21628] <... futex resumed>) = 0 [pid 21628] exit_group(0) = ? [pid 21629] +++ exited with 0 +++ [pid 21628] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21628, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21630 ./strace-static-x86_64: Process 21630 attached [pid 21630] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21630] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21630] setpgid(0, 0) = 0 [pid 21630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21630] write(3, "1000", 4) = 4 [pid 21630] close(3) = 0 executing program [pid 21630] write(1, "executing program\n", 18) = 18 [pid 21630] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21630] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21630] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21630] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21630] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21630] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21630] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21631 attached => {parent_tid=[21631]}, 88) = 21631 [pid 21630] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21630] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21630] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21631] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21631] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21631] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21631] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21630] <... futex resumed>) = 0 [pid 21630] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21630] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21631] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21631] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21630] <... futex resumed>) = 0 [pid 21630] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21630] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21631] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21631] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21630] <... futex resumed>) = 0 [pid 21631] write(-1, "0x0000000000000001", 18 [pid 21630] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21631] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21630] <... futex resumed>) = 0 [pid 21631] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21630] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21631] <... futex resumed>) = 0 [pid 21630] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21631] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21630] exit_group(0 [pid 21631] <... futex resumed>) = ? [pid 21630] <... exit_group resumed>) = ? [pid 21631] +++ exited with 0 +++ [pid 21630] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21630, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21632 ./strace-static-x86_64: Process 21632 attached [pid 21632] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21632] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21632] setpgid(0, 0) = 0 [pid 21632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21632] write(3, "1000", 4) = 4 [pid 21632] close(3) = 0 executing program [pid 21632] write(1, "executing program\n", 18) = 18 [pid 21632] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21632] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21632] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21632] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21632] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21632] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21632] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21633]}, 88) = 21633 [pid 21632] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21632] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21632] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21633 attached [pid 21633] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21633] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21633] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21633] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21632] <... futex resumed>) = 0 [pid 21632] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21632] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21633] <... futex resumed>) = 1 [pid 21633] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21633] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21632] <... futex resumed>) = 0 [pid 21632] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21632] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21633] <... futex resumed>) = 1 [pid 21633] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21633] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21632] <... futex resumed>) = 0 [pid 21632] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21632] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21633] <... futex resumed>) = 1 [pid 21633] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21633] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21632] <... futex resumed>) = 0 [pid 21632] exit_group(0) = ? [pid 21633] <... futex resumed>) = ? [pid 21633] +++ exited with 0 +++ [pid 21632] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21632, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21634 ./strace-static-x86_64: Process 21634 attached [pid 21634] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21634] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21634] setpgid(0, 0) = 0 [pid 21634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21634] write(3, "1000", 4) = 4 [pid 21634] close(3) = 0 executing program [pid 21634] write(1, "executing program\n", 18) = 18 [pid 21634] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21634] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21634] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21634] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21634] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21634] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21634] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21635 attached => {parent_tid=[21635]}, 88) = 21635 [pid 21635] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21635] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21635] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21634] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21634] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21635] <... futex resumed>) = 0 [pid 21635] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21634] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21635] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21635] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21634] <... futex resumed>) = 0 [pid 21634] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21634] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21635] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21635] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21634] <... futex resumed>) = 0 [pid 21634] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21634] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21635] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21635] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21634] <... futex resumed>) = 0 [pid 21634] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21634] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21635] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21635] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21634] <... futex resumed>) = 0 [pid 21634] exit_group(0) = ? [pid 21635] +++ exited with 0 +++ [pid 21634] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21634, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21636 attached , child_tidptr=0x55557e841690) = 21636 [pid 21636] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21636] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21636] setpgid(0, 0) = 0 [pid 21636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21636] write(3, "1000", 4) = 4 executing program [pid 21636] close(3) = 0 [pid 21636] write(1, "executing program\n", 18) = 18 [pid 21636] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21636] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21636] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21636] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21636] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21636] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21636] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21637 attached => {parent_tid=[21637]}, 88) = 21637 [pid 21637] set_robust_list(0x7f5486a549a0, 24 [pid 21636] rt_sigprocmask(SIG_SETMASK, [], [pid 21637] <... set_robust_list resumed>) = 0 [pid 21636] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21637] rt_sigprocmask(SIG_SETMASK, [], [pid 21636] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21637] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21636] <... futex resumed>) = 0 [pid 21637] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21636] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21637] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21637] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21636] <... futex resumed>) = 0 [pid 21636] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21636] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21637] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21637] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21637] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21636] <... futex resumed>) = 0 [pid 21636] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21636] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21637] <... futex resumed>) = 0 [pid 21637] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21637] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21636] <... futex resumed>) = 0 [pid 21636] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21636] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21637] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21637] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21636] <... futex resumed>) = 0 [pid 21636] exit_group(0) = ? [pid 21637] +++ exited with 0 +++ [pid 21636] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21636, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21638 ./strace-static-x86_64: Process 21638 attached [pid 21638] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21638] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21638] setpgid(0, 0) = 0 [pid 21638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21638] write(3, "1000", 4) = 4 [pid 21638] close(3) = 0 [pid 21638] write(1, "executing program\n", 18executing program ) = 18 [pid 21638] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21638] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21638] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21638] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21638] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21638] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21638] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21639]}, 88) = 21639 [pid 21638] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21638] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21638] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21639 attached [pid 21639] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21639] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21639] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21639] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21638] <... futex resumed>) = 0 [pid 21638] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21638] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21639] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21639] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21638] <... futex resumed>) = 0 [pid 21638] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21638] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21639] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21639] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21638] <... futex resumed>) = 0 [pid 21638] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21638] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21639] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21639] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21638] <... futex resumed>) = 0 [pid 21638] exit_group(0) = ? [pid 21639] +++ exited with 0 +++ [pid 21638] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21638, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21640 ./strace-static-x86_64: Process 21640 attached [pid 21640] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21640] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21640] setpgid(0, 0) = 0 [pid 21640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21640] write(3, "1000", 4) = 4 [pid 21640] close(3) = 0 [pid 21640] write(1, "executing program\n", 18executing program ) = 18 [pid 21640] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21640] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21640] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21640] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21640] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21640] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21640] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21641]}, 88) = 21641 ./strace-static-x86_64: Process 21641 attached [pid 21640] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21640] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21640] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21641] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21641] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21641] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21641] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21640] <... futex resumed>) = 0 [pid 21641] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21640] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21641] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21640] <... futex resumed>) = 0 [pid 21641] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21640] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21641] <... futex resumed>) = 0 [pid 21640] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21641] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21640] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21641] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21640] <... futex resumed>) = 0 [pid 21641] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21640] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21641] <... futex resumed>) = 0 [pid 21640] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21641] write(-1, "0x0000000000000001", 18 [pid 21640] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21641] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21640] <... futex resumed>) = 0 [pid 21641] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21640] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21641] <... futex resumed>) = 0 [pid 21640] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21641] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21640] exit_group(0 [pid 21641] <... futex resumed>) = ? [pid 21640] <... exit_group resumed>) = ? [pid 21641] +++ exited with 0 +++ [pid 21640] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21640, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21642 ./strace-static-x86_64: Process 21642 attached [pid 21642] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21642] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21642] setpgid(0, 0) = 0 [pid 21642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21642] write(3, "1000", 4) = 4 [pid 21642] close(3) = 0 executing program [pid 21642] write(1, "executing program\n", 18) = 18 [pid 21642] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21642] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21642] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21642] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21642] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21642] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21642] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21643 attached => {parent_tid=[21643]}, 88) = 21643 [pid 21643] set_robust_list(0x7f5486a549a0, 24 [pid 21642] rt_sigprocmask(SIG_SETMASK, [], [pid 21643] <... set_robust_list resumed>) = 0 [pid 21642] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21643] rt_sigprocmask(SIG_SETMASK, [], [pid 21642] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21643] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21642] <... futex resumed>) = 0 [pid 21643] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21642] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21643] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21643] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21642] <... futex resumed>) = 0 [pid 21643] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21642] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21643] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21642] <... futex resumed>) = 0 [pid 21643] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21642] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21643] <... futex resumed>) = 0 [pid 21642] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21643] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21642] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21643] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21643] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21643] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL) = 0 [pid 21642] <... futex resumed>) = 1 [pid 21643] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21642] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 21642] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21643] <... futex resumed>) = 0 [pid 21642] <... futex resumed>) = 1 [pid 21643] write(-1, "0x0000000000000001", 18 [pid 21642] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21643] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21643] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21642] <... futex resumed>) = 0 [pid 21643] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21642] exit_group(0 [pid 21643] <... futex resumed>) = ? [pid 21642] <... exit_group resumed>) = ? [pid 21643] +++ exited with 0 +++ [pid 21642] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21642, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21644 attached , child_tidptr=0x55557e841690) = 21644 [pid 21644] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21644] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21644] setpgid(0, 0) = 0 [pid 21644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21644] write(3, "1000", 4) = 4 [pid 21644] close(3executing program ) = 0 [pid 21644] write(1, "executing program\n", 18) = 18 [pid 21644] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21644] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21644] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21644] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21644] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21644] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21644] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21645 attached => {parent_tid=[21645]}, 88) = 21645 [pid 21645] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21645] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21645] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21644] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21644] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21645] <... futex resumed>) = 0 [pid 21644] <... futex resumed>) = 1 [pid 21645] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21644] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21645] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21645] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21644] <... futex resumed>) = 0 [pid 21645] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21644] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21645] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21644] <... futex resumed>) = 0 [pid 21645] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21644] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21645] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21645] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21644] <... futex resumed>) = 0 [pid 21645] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21644] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21645] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21644] <... futex resumed>) = 0 [pid 21645] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21644] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21645] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21645] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21644] <... futex resumed>) = 0 [pid 21645] write(-1, "0x0000000000000001", 18 [pid 21644] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21645] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21644] <... futex resumed>) = 0 [pid 21645] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21644] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21645] <... futex resumed>) = 0 [pid 21644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21645] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21644] exit_group(0 [pid 21645] <... futex resumed>) = ? [pid 21644] <... exit_group resumed>) = ? [pid 21645] +++ exited with 0 +++ [pid 21644] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21644, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21646 attached [pid 21646] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21646] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21646] setpgid(0, 0) = 0 [pid 21646] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 551] <... clone resumed>, child_tidptr=0x55557e841690) = 21646 [pid 21646] write(3, "1000", 4) = 4 [pid 21646] close(3) = 0 executing program [pid 21646] write(1, "executing program\n", 18) = 18 [pid 21646] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21646] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21646] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21646] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21646] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21646] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21646] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21647 attached => {parent_tid=[21647]}, 88) = 21647 [pid 21647] set_robust_list(0x7f5486a549a0, 24 [pid 21646] rt_sigprocmask(SIG_SETMASK, [], [pid 21647] <... set_robust_list resumed>) = 0 [pid 21646] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21647] rt_sigprocmask(SIG_SETMASK, [], [pid 21646] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21647] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21646] <... futex resumed>) = 0 [pid 21647] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21646] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21647] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21647] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21646] <... futex resumed>) = 0 [pid 21647] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21646] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21647] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21646] <... futex resumed>) = 0 [pid 21647] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21646] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21647] <... futex resumed>) = 0 [pid 21646] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21647] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21646] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21647] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21647] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21646] <... futex resumed>) = 0 [pid 21647] <... futex resumed>) = 0 [pid 21646] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21647] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21646] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21647] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21646] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21647] write(-1, "0x0000000000000001", 18 [pid 21646] <... futex resumed>) = 0 [pid 21647] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21646] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21647] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21646] <... futex resumed>) = 0 [pid 21647] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21646] exit_group(0 [pid 21647] <... futex resumed>) = ? [pid 21646] <... exit_group resumed>) = ? [pid 21647] +++ exited with 0 +++ [pid 21646] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21646, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21648 ./strace-static-x86_64: Process 21648 attached [pid 21648] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21648] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21648] setpgid(0, 0) = 0 [pid 21648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21648] write(3, "1000", 4) = 4 executing program [pid 21648] close(3) = 0 [pid 21648] write(1, "executing program\n", 18) = 18 [pid 21648] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21648] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21648] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21648] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21648] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21648] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21648] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21649]}, 88) = 21649 [pid 21648] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21648] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21648] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21649 attached [pid 21649] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21649] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21649] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21649] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21648] <... futex resumed>) = 0 [pid 21649] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21648] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21649] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21648] <... futex resumed>) = 0 [pid 21649] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21648] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21649] <... futex resumed>) = 0 [pid 21648] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21649] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21648] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21649] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21648] <... futex resumed>) = 0 [pid 21649] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21648] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21649] <... futex resumed>) = 0 [pid 21648] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21649] write(-1, "0x0000000000000001", 18 [pid 21648] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21649] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21648] <... futex resumed>) = 0 [pid 21649] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21648] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21649] <... futex resumed>) = 0 [pid 21648] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21649] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21648] exit_group(0 [pid 21649] <... futex resumed>) = ? [pid 21648] <... exit_group resumed>) = ? [pid 21649] +++ exited with 0 +++ [pid 21648] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21648, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21650 ./strace-static-x86_64: Process 21650 attached [pid 21650] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21650] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21650] setpgid(0, 0) = 0 [pid 21650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21650] write(3, "1000", 4) = 4 [pid 21650] close(3) = 0 [pid 21650] write(1, "executing program\n", 18executing program ) = 18 [pid 21650] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21650] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21650] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21650] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21650] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21650] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21650] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21651 attached => {parent_tid=[21651]}, 88) = 21651 [pid 21650] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21650] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21650] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21651] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21651] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21651] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21651] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21650] <... futex resumed>) = 0 [pid 21651] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21650] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21651] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21650] <... futex resumed>) = 0 [pid 21651] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21650] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21651] <... futex resumed>) = 0 [pid 21650] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21651] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21650] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21651] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21650] <... futex resumed>) = 0 [pid 21651] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21650] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21651] <... futex resumed>) = 0 [pid 21650] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21651] write(-1, "0x0000000000000001", 18 [pid 21650] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21651] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21650] <... futex resumed>) = 0 [pid 21651] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21650] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21651] <... futex resumed>) = 0 [pid 21650] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21651] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21650] exit_group(0 [pid 21651] <... futex resumed>) = ? [pid 21650] <... exit_group resumed>) = ? [pid 21651] +++ exited with 0 +++ [pid 21650] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21650, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21652 ./strace-static-x86_64: Process 21652 attached [pid 21652] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21652] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21652] setpgid(0, 0) = 0 [pid 21652] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21652] write(3, "1000", 4) = 4 [pid 21652] close(3) = 0 executing program [pid 21652] write(1, "executing program\n", 18) = 18 [pid 21652] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21652] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21652] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21652] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21652] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21652] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21652] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21653]}, 88) = 21653 ./strace-static-x86_64: Process 21653 attached [pid 21652] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21652] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21652] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21653] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21653] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21653] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21653] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21652] <... futex resumed>) = 0 [pid 21653] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21652] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21653] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21652] <... futex resumed>) = 0 [pid 21653] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21652] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21653] <... futex resumed>) = 0 [pid 21652] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21653] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21652] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21653] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21652] <... futex resumed>) = 0 [pid 21653] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21652] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21653] <... futex resumed>) = 0 [pid 21652] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21653] write(-1, "0x0000000000000001", 18 [pid 21652] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21653] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21652] <... futex resumed>) = 0 [pid 21653] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21652] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21653] <... futex resumed>) = 0 [pid 21652] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21653] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21652] exit_group(0 [pid 21653] <... futex resumed>) = ? [pid 21652] <... exit_group resumed>) = ? [pid 21653] +++ exited with 0 +++ [pid 21652] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21652, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21654 ./strace-static-x86_64: Process 21654 attached [pid 21654] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21654] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21654] setpgid(0, 0) = 0 [pid 21654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21654] write(3, "1000", 4) = 4 [pid 21654] close(3executing program ) = 0 [pid 21654] write(1, "executing program\n", 18) = 18 [pid 21654] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21654] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21654] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21654] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21654] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21654] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21654] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21655 attached => {parent_tid=[21655]}, 88) = 21655 [pid 21654] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21654] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21654] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21655] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21655] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21655] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21655] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21654] <... futex resumed>) = 0 [pid 21655] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21654] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21655] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21654] <... futex resumed>) = 0 [pid 21655] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21654] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21655] <... futex resumed>) = 0 [pid 21654] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21655] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21654] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21655] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21654] <... futex resumed>) = 0 [pid 21655] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21654] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21655] <... futex resumed>) = 0 [pid 21654] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21655] write(-1, "0x0000000000000001", 18 [pid 21654] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21655] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21654] <... futex resumed>) = 0 [pid 21655] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21654] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21655] <... futex resumed>) = 0 [pid 21654] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21655] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21654] exit_group(0 [pid 21655] <... futex resumed>) = ? [pid 21654] <... exit_group resumed>) = ? [pid 21655] +++ exited with 0 +++ [pid 21654] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21654, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21656 ./strace-static-x86_64: Process 21656 attached [pid 21656] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21656] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21656] setpgid(0, 0) = 0 [pid 21656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21656] write(3, "1000", 4) = 4 [pid 21656] close(3) = 0 executing program [pid 21656] write(1, "executing program\n", 18) = 18 [pid 21656] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21656] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21656] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21656] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21656] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21656] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21656] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21657 attached [pid 21657] set_robust_list(0x7f5486a549a0, 24 [pid 21656] <... clone3 resumed> => {parent_tid=[21657]}, 88) = 21657 [pid 21656] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21656] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21656] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21657] <... set_robust_list resumed>) = 0 [pid 21657] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21657] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21657] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21656] <... futex resumed>) = 0 [pid 21657] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21656] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21656] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21657] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21657] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21657] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21656] <... futex resumed>) = 0 [pid 21656] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21657] <... futex resumed>) = 0 [pid 21656] <... futex resumed>) = 1 [pid 21657] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21656] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21657] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21657] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21656] <... futex resumed>) = 0 [pid 21657] write(-1, "0x0000000000000001", 18 [pid 21656] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21657] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21656] <... futex resumed>) = 0 [pid 21657] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21656] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21657] <... futex resumed>) = 0 [pid 21656] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21657] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21656] exit_group(0 [pid 21657] <... futex resumed>) = ? [pid 21656] <... exit_group resumed>) = ? [pid 21657] +++ exited with 0 +++ [pid 21656] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21656, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21658 ./strace-static-x86_64: Process 21658 attached [pid 21658] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21658] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21658] setpgid(0, 0) = 0 [pid 21658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21658] write(3, "1000", 4) = 4 [pid 21658] close(3executing program ) = 0 [pid 21658] write(1, "executing program\n", 18) = 18 [pid 21658] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21658] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21658] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21658] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21658] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21658] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21658] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21659 attached => {parent_tid=[21659]}, 88) = 21659 [pid 21658] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21658] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21658] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21659] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21659] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21659] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21659] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21658] <... futex resumed>) = 0 [pid 21659] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21658] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21659] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21658] <... futex resumed>) = 0 [pid 21659] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21658] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21659] <... futex resumed>) = 0 [pid 21658] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21659] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21658] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21659] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21658] <... futex resumed>) = 0 [pid 21659] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21658] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21659] <... futex resumed>) = 0 [pid 21658] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21659] write(-1, "0x0000000000000001", 18 [pid 21658] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21659] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21658] <... futex resumed>) = 0 [pid 21659] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21658] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21659] <... futex resumed>) = 0 [pid 21658] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21659] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21658] exit_group(0 [pid 21659] <... futex resumed>) = ? [pid 21658] <... exit_group resumed>) = ? [pid 21659] +++ exited with 0 +++ [pid 21658] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21658, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21660 attached , child_tidptr=0x55557e841690) = 21660 [pid 21660] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21660] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21660] setpgid(0, 0) = 0 [pid 21660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21660] write(3, "1000", 4) = 4 [pid 21660] close(3) = 0 [pid 21660] write(1, "executing program\n", 18executing program ) = 18 [pid 21660] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21660] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21660] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21660] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21660] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21660] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21660] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21661 attached => {parent_tid=[21661]}, 88) = 21661 [pid 21660] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21660] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21660] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21661] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21661] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21661] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21661] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21660] <... futex resumed>) = 0 [pid 21661] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21660] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21661] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21660] <... futex resumed>) = 0 [pid 21661] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21660] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21661] <... futex resumed>) = 0 [pid 21660] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21661] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21660] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21661] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21660] <... futex resumed>) = 0 [pid 21661] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21660] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21661] <... futex resumed>) = 0 [pid 21660] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21661] write(-1, "0x0000000000000001", 18 [pid 21660] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21661] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21660] <... futex resumed>) = 0 [pid 21660] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21661] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21660] <... futex resumed>) = 0 [pid 21661] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21660] exit_group(0 [pid 21661] <... futex resumed>) = ? [pid 21660] <... exit_group resumed>) = ? [pid 21661] +++ exited with 0 +++ [pid 21660] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21660, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21662 attached , child_tidptr=0x55557e841690) = 21662 [pid 21662] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21662] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21662] setpgid(0, 0) = 0 [pid 21662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21662] write(3, "1000", 4) = 4 [pid 21662] close(3) = 0 executing program [pid 21662] write(1, "executing program\n", 18) = 18 [pid 21662] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21662] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21662] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21662] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21662] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21662] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21662] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21663 attached => {parent_tid=[21663]}, 88) = 21663 [pid 21663] set_robust_list(0x7f5486a549a0, 24 [pid 21662] rt_sigprocmask(SIG_SETMASK, [], [pid 21663] <... set_robust_list resumed>) = 0 [pid 21662] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21663] rt_sigprocmask(SIG_SETMASK, [], [pid 21662] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21663] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 21662] <... futex resumed>) = 0 [pid 21663] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21662] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21663] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21663] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21662] <... futex resumed>) = 0 [pid 21663] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21662] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21663] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21662] <... futex resumed>) = 0 [pid 21663] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21662] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21663] <... futex resumed>) = 0 [pid 21662] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21663] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21662] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21663] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21662] <... futex resumed>) = 0 [pid 21663] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21662] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21663] <... futex resumed>) = 0 [pid 21662] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21663] write(-1, "0x0000000000000001", 18 [pid 21662] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21663] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21662] <... futex resumed>) = 0 [pid 21663] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21662] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21663] <... futex resumed>) = 0 [pid 21662] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21663] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21662] exit_group(0 [pid 21663] <... futex resumed>) = ? [pid 21662] <... exit_group resumed>) = ? [pid 21663] +++ exited with 0 +++ [pid 21662] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21662, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21664 ./strace-static-x86_64: Process 21664 attached [pid 21664] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21664] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21664] setpgid(0, 0) = 0 [pid 21664] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21664] write(3, "1000", 4) = 4 [pid 21664] close(3) = 0 [pid 21664] write(1, "executing program\n", 18executing program ) = 18 [pid 21664] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21664] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21664] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21664] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21664] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21664] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21664] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21665]}, 88) = 21665 ./strace-static-x86_64: Process 21665 attached [pid 21664] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21664] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21664] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21665] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21665] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21665] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21665] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21664] <... futex resumed>) = 0 [pid 21665] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21664] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21665] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21664] <... futex resumed>) = 0 [pid 21665] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21664] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21665] <... futex resumed>) = 0 [pid 21664] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21665] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21664] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21665] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21664] <... futex resumed>) = 0 [pid 21665] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21664] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21665] <... futex resumed>) = 0 [pid 21664] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21665] write(-1, "0x0000000000000001", 18 [pid 21664] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21665] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21664] <... futex resumed>) = 0 [pid 21665] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21664] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21665] <... futex resumed>) = 0 [pid 21664] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21665] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21664] exit_group(0 [pid 21665] <... futex resumed>) = ? [pid 21664] <... exit_group resumed>) = ? [pid 21665] +++ exited with 0 +++ [pid 21664] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21664, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21666 ./strace-static-x86_64: Process 21666 attached [pid 21666] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21666] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21666] setpgid(0, 0) = 0 [pid 21666] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21666] write(3, "1000", 4) = 4 [pid 21666] close(3) = 0 executing program [pid 21666] write(1, "executing program\n", 18) = 18 [pid 21666] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21666] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21666] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21666] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21666] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21666] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21666] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21667]}, 88) = 21667 [pid 21666] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21666] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21666] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 21667 attached [pid 21667] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21667] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21667] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21667] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21666] <... futex resumed>) = 0 [pid 21666] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21666] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21667] <... futex resumed>) = 1 [pid 21667] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21667] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21666] <... futex resumed>) = 0 [pid 21666] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21666] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21667] <... futex resumed>) = 1 [pid 21667] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21667] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21666] <... futex resumed>) = 0 [pid 21666] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21666] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21667] <... futex resumed>) = 1 [pid 21667] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21667] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21666] <... futex resumed>) = 0 [pid 21666] exit_group(0) = ? [pid 21667] <... futex resumed>) = ? [pid 21667] +++ exited with 0 +++ [pid 21666] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21666, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21668 ./strace-static-x86_64: Process 21668 attached [pid 21668] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21668] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21668] setpgid(0, 0) = 0 [pid 21668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21668] write(3, "1000", 4) = 4 [pid 21668] close(3) = 0 [pid 21668] write(1, "executing program\n", 18executing program ) = 18 [pid 21668] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21668] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21668] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21668] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21668] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21668] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21668] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0} => {parent_tid=[21669]}, 88) = 21669 ./strace-static-x86_64: Process 21669 attached [pid 21668] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21668] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21668] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21669] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21669] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21669] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21669] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21668] <... futex resumed>) = 0 [pid 21668] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21668] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21669] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21669] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21668] <... futex resumed>) = 0 [pid 21668] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21668] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21669] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21669] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21668] <... futex resumed>) = 0 [pid 21668] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21668] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21669] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21669] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21668] <... futex resumed>) = 0 [pid 21668] exit_group(0) = ? [pid 21669] +++ exited with 0 +++ [pid 21668] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21668, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21670 attached , child_tidptr=0x55557e841690) = 21670 [pid 21670] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21670] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21670] setpgid(0, 0) = 0 [pid 21670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21670] write(3, "1000", 4) = 4 [pid 21670] close(3) = 0 [pid 21670] write(1, "executing program\n", 18executing program ) = 18 [pid 21670] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21670] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21670] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21670] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21670] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21670] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21670] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21671 attached => {parent_tid=[21671]}, 88) = 21671 [pid 21670] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21670] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21670] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21671] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21671] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21671] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21671] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21670] <... futex resumed>) = 0 [pid 21670] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21670] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21671] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21671] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21670] <... futex resumed>) = 0 [pid 21670] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21670] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21671] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21671] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21670] <... futex resumed>) = 0 [pid 21670] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21670] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21671] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21671] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21670] <... futex resumed>) = 0 [pid 21670] exit_group(0) = ? [pid 21671] +++ exited with 0 +++ [pid 21670] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21670, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e841690) = 21672 ./strace-static-x86_64: Process 21672 attached [pid 21672] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21672] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21672] setpgid(0, 0) = 0 [pid 21672] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21672] write(3, "1000", 4) = 4 [pid 21672] close(3) = 0 [pid 21672] write(1, "executing program\n", 18executing program ) = 18 [pid 21672] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21672] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21672] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21672] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21672] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21672] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21672] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21673 attached => {parent_tid=[21673]}, 88) = 21673 [pid 21672] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21672] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21672] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21673] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21673] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21673] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21673] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21672] <... futex resumed>) = 0 [pid 21672] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21672] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21673] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH) = -1 ENOENT (No such file or directory) [pid 21673] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21672] <... futex resumed>) = 0 [pid 21672] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21672] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21673] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EBADF (Bad file descriptor) [pid 21673] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21672] <... futex resumed>) = 0 [pid 21672] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21672] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21673] write(-1, "0x0000000000000001", 18) = -1 EBADF (Bad file descriptor) [pid 21673] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21672] <... futex resumed>) = 0 [pid 21672] exit_group(0) = ? [pid 21673] +++ exited with 0 +++ [pid 21672] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21672, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 21674 attached , child_tidptr=0x55557e841690) = 21674 [pid 21674] set_robust_list(0x55557e8416a0, 24) = 0 [pid 21674] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 21674] setpgid(0, 0) = 0 [pid 21674] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 21674] write(3, "1000", 4) = 4 [pid 21674] close(3) = 0 executing program [pid 21674] write(1, "executing program\n", 18) = 18 [pid 21674] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 21674] rt_sigaction(SIGRT_1, {sa_handler=0x7f5486ab95a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f5486aaac20}, NULL, 8) = 0 [pid 21674] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 21674] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5486a34000 [pid 21674] mprotect(0x7f5486a35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 21674] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 21674] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5486a54990, parent_tid=0x7f5486a54990, exit_signal=0, stack=0x7f5486a34000, stack_size=0x20300, tls=0x7f5486a546c0}./strace-static-x86_64: Process 21675 attached => {parent_tid=[21675]}, 88) = 21675 [pid 21675] set_robust_list(0x7f5486a549a0, 24) = 0 [pid 21675] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21675] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21674] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 21674] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21675] <... futex resumed>) = 0 [pid 21674] <... futex resumed>) = 1 [pid 21675] bpf(BPF_TASK_FD_QUERY, {task_fd_query={pid=-1, fd=-1, flags=0, buf_len=7 [pid 21674] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21675] <... bpf resumed>, buf="cgroup", prog_id=0, fd_type=BPF_FD_TYPE_RAW_TRACEPOINT, probe_offset=0, probe_addr=0}}, 140) = -1 ENOENT (No such file or directory) [pid 21675] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21674] <... futex resumed>) = 0 [pid 21675] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21674] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21675] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21674] <... futex resumed>) = 0 [pid 21675] openat(AT_FDCWD, "cgroup", O_RDWR|O_PATH [pid 21674] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21675] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 21675] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21674] <... futex resumed>) = 0 [pid 21675] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21674] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21675] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21674] <... futex resumed>) = 0 [pid 21675] openat(-1, "cgroup.freeze", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 21674] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21675] <... openat resumed>) = -1 EBADF (Bad file descriptor) [pid 21675] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 21674] <... futex resumed>) = 0 [pid 21675] write(-1, "0x0000000000000001", 18 [pid 21674] futex(0x7f5486b1d3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 21675] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 21674] <... futex resumed>) = 0 [pid 21675] futex(0x7f5486b1d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 21674] futex(0x7f5486b1d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 21675] <... futex resumed>) = 0 [pid 21674] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 21675] futex(0x7f5486b1d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 21674] exit_group(0 [pid 21675] <... futex resumed>) = ? [pid 21674] <... exit_group resumed>) = ? [pid 21675] +++ exited with 0 +++ [pid 21674] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21674, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---