./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2926271163 <...> Warning: Permanently added '10.128.0.7' (ED25519) to the list of known hosts. execve("./syz-executor2926271163", ["./syz-executor2926271163"], 0x7ffc583e9480 /* 10 vars */) = 0 brk(NULL) = 0x55557b964000 brk(0x55557b964d40) = 0x55557b964d40 arch_prctl(ARCH_SET_FS, 0x55557b9643c0) = 0 set_tid_address(0x55557b964690) = 5816 set_robust_list(0x55557b9646a0, 24) = 0 rseq(0x55557b964ce0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2926271163", 4096) = 28 getrandom("\x11\xd1\x9d\x1c\xb8\x61\x5b\x52", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557b964d40 brk(0x55557b985d40) = 0x55557b985d40 brk(0x55557b986000) = 0x55557b986000 mprotect(0x7f51c753c000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5817 attached , child_tidptr=0x55557b964690) = 5817 [pid 5817] set_robust_list(0x55557b9646a0, 24) = 0 [pid 5816] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5818 attached ./strace-static-x86_64: Process 5819 attached [pid 5816] <... clone resumed>, child_tidptr=0x55557b964690) = 5818 [pid 5818] set_robust_list(0x55557b9646a0, 24 [pid 5816] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5819] set_robust_list(0x55557b9646a0, 24 [pid 5817] <... clone resumed>, child_tidptr=0x55557b964690) = 5819 [pid 5819] <... set_robust_list resumed>) = 0 [pid 5818] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5820 attached [pid 5819] prctl(PR_SET_PDEATHSIG, SIGKILL [ 54.341419][ T29] audit: type=1400 audit(1733093774.108:88): avc: denied { execmem } for pid=5816 comm="syz-executor292" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5819] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5821 attached [pid 5816] <... clone resumed>, child_tidptr=0x55557b964690) = 5820 [pid 5820] set_robust_list(0x55557b9646a0, 24 [pid 5821] set_robust_list(0x55557b9646a0, 24 [pid 5819] setpgid(0, 0 [pid 5816] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5821] <... set_robust_list resumed>) = 0 [pid 5820] <... set_robust_list resumed>) = 0 [pid 5818] <... clone resumed>, child_tidptr=0x55557b964690) = 5821 [pid 5819] <... setpgid resumed>) = 0 [pid 5821] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5821] setpgid(0, 0./strace-static-x86_64: Process 5822 attached ) = 0 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5819] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5816] <... clone resumed>, child_tidptr=0x55557b964690) = 5822 [pid 5822] set_robust_list(0x55557b9646a0, 24 [pid 5821] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5822] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5823 attached [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5816] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5821] <... openat resumed>) = 3 [pid 5819] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5825 attached ./strace-static-x86_64: Process 5824 attached [pid 5823] set_robust_list(0x55557b9646a0, 24 [pid 5821] write(3, "1000", 4 [pid 5820] <... clone resumed>, child_tidptr=0x55557b964690) = 5823 [pid 5825] set_robust_list(0x55557b9646a0, 24 [pid 5824] set_robust_list(0x55557b9646a0, 24 [pid 5823] <... set_robust_list resumed>) = 0 [pid 5823] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5821] <... write resumed>) = 4 [pid 5816] <... clone resumed>, child_tidptr=0x55557b964690) = 5825 [pid 5819] write(3, "1000", 4) = 4 [pid 5819] close(3 [pid 5825] <... set_robust_list resumed>) = 0 [pid 5824] <... set_robust_list resumed>) = 0 [pid 5823] <... prctl resumed>) = 0 [pid 5822] <... clone resumed>, child_tidptr=0x55557b964690) = 5824 [pid 5821] close(3 [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5824] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5823] setpgid(0, 0 [pid 5821] <... close resumed>) = 0 [pid 5819] <... close resumed>) = 0 [pid 5819] write(1, "executing program\n", 18) = 18 [pid 5819] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 5819] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, executing program ./strace-static-x86_64: Process 5826 attached [pid 5824] <... prctl resumed>) = 0 [pid 5823] <... setpgid resumed>) = 0 [pid 5821] write(1, "executing program\n", 18 [pid 5819] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5824] setpgid(0, 0 [pid 5821] <... write resumed>) = 18 [pid 5825] <... clone resumed>, child_tidptr=0x55557b964690) = 5826 [pid 5824] <... setpgid resumed>) = 0 [pid 5823] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5821] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5819] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5826] set_robust_list(0x55557b9646a0, 24 [pid 5824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5821] <... futex resumed>) = 0 [pid 5819] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5826] <... set_robust_list resumed>) = 0 [pid 5821] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5819] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5826] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5824] <... openat resumed>) = 3 [pid 5823] <... openat resumed>) = 3 [pid 5821] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5819] <... mmap resumed>) = 0x7f51c7453000 [pid 5824] write(3, "1000", 4 [pid 5821] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5826] <... prctl resumed>) = 0 [pid 5824] <... write resumed>) = 4 [pid 5823] write(3, "1000", 4 [pid 5821] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5826] setpgid(0, 0 [pid 5824] close(3 [pid 5823] <... write resumed>) = 4 [pid 5821] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5826] <... setpgid resumed>) = 0 [pid 5824] <... close resumed>) = 0 [pid 5823] close(3 [pid 5821] <... mmap resumed>) = 0x7f51c7453000 [pid 5826] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5824] write(1, "executing program\n", 18 [pid 5819] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5823] <... close resumed>) = 0 [pid 5821] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5819] <... mprotect resumed>) = 0 executing program executing program [pid 5819] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5826] <... openat resumed>) = 3 [pid 5824] <... write resumed>) = 18 [pid 5823] write(1, "executing program\n", 18 [pid 5819] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5826] write(3, "1000", 4 [pid 5824] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5823] <... write resumed>) = 18 [pid 5821] <... mprotect resumed>) = 0 [pid 5819] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 5826] <... write resumed>) = 4 [pid 5824] <... futex resumed>) = 0 [pid 5823] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5821] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5827 attached [pid 5826] close(3 [pid 5824] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5823] <... futex resumed>) = 0 [pid 5821] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5819] <... clone3 resumed> => {parent_tid=[5827]}, 88) = 5827 [pid 5827] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5826] <... close resumed>) = 0 [pid 5824] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5823] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5821] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 5819] rt_sigprocmask(SIG_SETMASK, [], [pid 5827] <... rseq resumed>) = 0 [pid 5826] write(1, "executing program\n", 18 [pid 5824] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5819] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 5819] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] set_robust_list(0x7f51c74739a0, 24 [pid 5819] <... futex resumed>) = 0 [pid 5826] <... write resumed>) = 18 [pid 5827] <... set_robust_list resumed>) = 0 [pid 5824] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5823] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5827] rt_sigprocmask(SIG_SETMASK, [], [pid 5826] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5824] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5823] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5827] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5824] <... mmap resumed>) = 0x7f51c7453000 [pid 5827] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5823] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5826] <... futex resumed>) = 0 [pid 5821] <... clone3 resumed> => {parent_tid=[5828]}, 88) = 5828 [pid 5823] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5821] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5828 attached [pid 5824] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5823] <... mmap resumed>) = 0x7f51c7453000 [pid 5819] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5828] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053) = 0 [pid 5828] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 5828] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5828] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5826] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5821] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5824] <... mprotect resumed>) = 0 [pid 5823] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5821] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] <... futex resumed>) = 0 [pid 5826] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5824] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5823] <... mprotect resumed>) = 0 [pid 5821] <... futex resumed>) = 1 [pid 5828] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5826] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5821] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5823] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5824] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5826] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5826] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 5826] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5826] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5826] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 5830 attached => {parent_tid=[5830]}, 88) = 5830 [pid 5826] rt_sigprocmask(SIG_SETMASK, [], [pid 5830] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5826] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5830] <... rseq resumed>) = 0 [pid 5826] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] set_robust_list(0x7f51c74739a0, 24 [pid 5826] <... futex resumed>) = 0 [pid 5830] <... set_robust_list resumed>) = 0 [pid 5826] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5830] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5830] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5823] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5824] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 5831 attached [pid 5823] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 5824] <... clone3 resumed> => {parent_tid=[5831]}, 88) = 5831 ./strace-static-x86_64: Process 5832 attached [pid 5824] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5824] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5823] <... clone3 resumed> => {parent_tid=[5832]}, 88) = 5832 [pid 5832] <... rseq resumed>) = 0 [pid 5824] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5823] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] set_robust_list(0x7f51c74739a0, 24 [pid 5824] <... futex resumed>) = 0 [pid 5823] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] <... set_robust_list resumed>) = 0 [pid 5823] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5824] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] rt_sigprocmask(SIG_SETMASK, [], [pid 5823] <... futex resumed>) = 0 [pid 5832] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5831] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5823] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] <... rseq resumed>) = 0 [pid 5831] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 5831] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5831] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5819] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5819] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5826] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5821] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5824] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5823] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5827] <... unshare resumed>) = 0 [pid 5827] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5830] <... unshare resumed>) = 0 [pid 5827] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5819] exit_group(0 [pid 5827] <... futex resumed>) = ? [pid 5819] <... exit_group resumed>) = ? [pid 5830] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] +++ exited with 0 +++ [pid 5819] +++ exited with 0 +++ [pid 5830] <... futex resumed>) = 0 [pid 5826] exit_group(0) = ? [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5819, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5831] <... unshare resumed>) = 0 [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] +++ exited with 0 +++ [pid 5826] +++ exited with 0 +++ [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5826, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5824] exit_group(0 [pid 5825] restart_syscall(<... resuming interrupted clone ...> [pid 5824] <... exit_group resumed>) = ? [pid 5817] <... clone resumed>, child_tidptr=0x55557b964690) = 5836 ./strace-static-x86_64: Process 5836 attached [pid 5832] <... unshare resumed>) = 0 [pid 5831] <... futex resumed>) = ? [pid 5828] <... unshare resumed>) = 0 [pid 5825] <... restart_syscall resumed>) = 0 [pid 5828] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5821] exit_group(0 [pid 5828] <... futex resumed>) = ? [pid 5821] <... exit_group resumed>) = ? [pid 5836] set_robust_list(0x55557b9646a0, 24 [pid 5832] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] +++ exited with 0 +++ [pid 5828] +++ exited with 0 +++ [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5824] +++ exited with 0 +++ [pid 5821] +++ exited with 0 +++ ./strace-static-x86_64: Process 5839 attached [pid 5836] <... set_robust_list resumed>) = 0 [pid 5832] <... futex resumed>) = 0 [pid 5823] exit_group(0 [pid 5825] <... clone resumed>, child_tidptr=0x55557b964690) = 5839 [pid 5823] <... exit_group resumed>) = ? [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5824, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5821, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5822] restart_syscall(<... resuming interrupted clone ...> [pid 5818] restart_syscall(<... resuming interrupted clone ...> [pid 5836] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5839] set_robust_list(0x55557b9646a0, 24 [pid 5836] setpgid(0, 0 [pid 5839] <... set_robust_list resumed>) = 0 [pid 5839] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5836] <... setpgid resumed>) = 0 [pid 5832] +++ exited with 0 +++ [pid 5839] <... prctl resumed>) = 0 [pid 5823] +++ exited with 0 +++ [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5823, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 5836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5839] setpgid(0, 0 [pid 5836] <... openat resumed>) = 3 [pid 5839] <... setpgid resumed>) = 0 [pid 5836] write(3, "1000", 4 [pid 5839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5836] <... write resumed>) = 4 [pid 5839] <... openat resumed>) = 3 [pid 5836] close(3) = 0 [pid 5839] write(3, "1000", 4 [pid 5836] write(1, "executing program\n", 18executing program [pid 5839] <... write resumed>) = 4 [pid 5836] <... write resumed>) = 18 [pid 5839] close(3) = 0 [pid 5836] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5822] <... restart_syscall resumed>) = 0 executing program [pid 5839] write(1, "executing program\n", 18 [pid 5836] <... futex resumed>) = 0 [pid 5820] <... restart_syscall resumed>) = 0 [pid 5839] <... write resumed>) = 18 [pid 5836] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5818] <... restart_syscall resumed>) = 0 [pid 5839] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5840 attached [pid 5839] <... futex resumed>) = 0 [pid 5836] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5839] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5836] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] set_robust_list(0x55557b9646a0, 24 [pid 5839] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5836] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5841 attached [pid 5840] <... set_robust_list resumed>) = 0 [pid 5839] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5818] <... clone resumed>, child_tidptr=0x55557b964690) = 5840 [pid 5841] set_robust_list(0x55557b9646a0, 24 [pid 5840] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5836] <... mmap resumed>) = 0x7f51c7453000 [pid 5841] <... set_robust_list resumed>) = 0 [pid 5841] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 5842 attached [pid 5840] <... prctl resumed>) = 0 [pid 5839] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5836] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5822] <... clone resumed>, child_tidptr=0x55557b964690) = 5841 [pid 5841] setpgid(0, 0 [pid 5820] <... clone resumed>, child_tidptr=0x55557b964690) = 5842 [pid 5842] set_robust_list(0x55557b9646a0, 24 [pid 5840] setpgid(0, 0 [pid 5839] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5841] <... setpgid resumed>) = 0 [pid 5836] <... mprotect resumed>) = 0 [pid 5842] <... set_robust_list resumed>) = 0 [pid 5841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] <... setpgid resumed>) = 0 [pid 5839] <... mmap resumed>) = 0x7f51c7453000 [pid 5842] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5836] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5842] <... prctl resumed>) = 0 [pid 5840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5839] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5842] setpgid(0, 0 [pid 5841] <... openat resumed>) = 3 [pid 5842] <... setpgid resumed>) = 0 [pid 5839] <... mprotect resumed>) = 0 [pid 5840] <... openat resumed>) = 3 [pid 5836] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5841] write(3, "1000", 4 [pid 5840] write(3, "1000", 4 [pid 5836] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 5839] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5843 attached [pid 5841] <... write resumed>) = 4 [pid 5840] <... write resumed>) = 4 [pid 5839] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5841] close(3 [pid 5840] close(3 [pid 5841] <... close resumed>) = 0 [pid 5839] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}executing program [pid 5843] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5841] write(1, "executing program\n", 18 [pid 5840] <... close resumed>) = 0 [pid 5836] <... clone3 resumed> => {parent_tid=[5843]}, 88) = 5843 ./strace-static-x86_64: Process 5844 attached [pid 5843] <... rseq resumed>) = 0 [pid 5841] <... write resumed>) = 18 [pid 5840] write(1, "executing program\n", 18 [pid 5843] set_robust_list(0x7f51c74739a0, 24 [pid 5844] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5843] <... set_robust_list resumed>) = 0 [pid 5842] <... openat resumed>) = 3 [pid 5844] <... rseq resumed>) = 0 [pid 5843] rt_sigprocmask(SIG_SETMASK, [], [pid 5842] write(3, "1000", 4 [pid 5843] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 5844] set_robust_list(0x7f51c74739a0, 24 [pid 5842] <... write resumed>) = 4 [pid 5844] <... set_robust_list resumed>) = 0 [pid 5843] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5842] close(3 [pid 5841] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... write resumed>) = 18 [pid 5839] <... clone3 resumed> => {parent_tid=[5844]}, 88) = 5844 [pid 5836] rt_sigprocmask(SIG_SETMASK, [], [pid 5844] rt_sigprocmask(SIG_SETMASK, [], [pid 5842] <... close resumed>) = 0 [pid 5841] <... futex resumed>) = 0 [pid 5840] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] rt_sigprocmask(SIG_SETMASK, [], [pid 5836] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5844] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5842] write(1, "executing program\n", 18executing program [pid 5844] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5842] <... write resumed>) = 18 [pid 5842] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5842] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5841] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5840] <... futex resumed>) = 0 [pid 5839] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5836] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5841] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5840] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5839] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... futex resumed>) = 1 [pid 5841] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5840] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5839] <... futex resumed>) = 1 [pid 5836] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5844] <... futex resumed>) = 0 [pid 5843] <... futex resumed>) = 0 [pid 5841] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5839] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5844] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5843] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5842] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5841] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5840] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5841] <... mmap resumed>) = 0x7f51c7453000 [pid 5840] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5841] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5840] <... mmap resumed>) = 0x7f51c7453000 [pid 5841] <... mprotect resumed>) = 0 [pid 5840] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5841] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5840] <... mprotect resumed>) = 0 [pid 5841] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5841] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 5840] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5841] <... clone3 resumed> => {parent_tid=[5845]}, 88) = 5845 [pid 5841] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5841] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5841] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5845 attached [pid 5842] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5842] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5840] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 5845] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053./strace-static-x86_64: Process 5846 attached ) = 0 [pid 5842] <... mmap resumed>) = 0x7f51c7453000 [pid 5845] set_robust_list(0x7f51c74739a0, 24 [pid 5842] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5840] <... clone3 resumed> => {parent_tid=[5846]}, 88) = 5846 [pid 5845] <... set_robust_list resumed>) = 0 [pid 5842] <... mprotect resumed>) = 0 [pid 5845] rt_sigprocmask(SIG_SETMASK, [], [pid 5840] rt_sigprocmask(SIG_SETMASK, [], [pid 5842] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5846] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5845] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5846] <... rseq resumed>) = 0 [pid 5845] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5840] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5846] set_robust_list(0x7f51c74739a0, 24 [pid 5842] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5846] <... set_robust_list resumed>) = 0 [pid 5842] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 5840] <... futex resumed>) = 0 [pid 5840] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5846] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5847 attached NULL, 8) = 0 [pid 5842] <... clone3 resumed> => {parent_tid=[5847]}, 88) = 5847 [pid 5846] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5842] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5842] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5847] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5842] <... futex resumed>) = 0 [pid 5847] <... rseq resumed>) = 0 [pid 5842] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5847] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 5847] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5839] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5836] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5841] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5847] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5842] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5840] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5843] <... unshare resumed>) = 0 [pid 5843] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5843] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5836] exit_group(0 [pid 5843] <... futex resumed>) = ? [pid 5836] <... exit_group resumed>) = ? [pid 5843] +++ exited with 0 +++ [pid 5836] +++ exited with 0 +++ [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5836, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5817] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557b964690) = 5849 ./strace-static-x86_64: Process 5849 attached [pid 5849] set_robust_list(0x55557b9646a0, 24) = 0 [pid 5849] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5849] setpgid(0, 0) = 0 [pid 5849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5844] <... unshare resumed>) = 0 [pid 5849] <... openat resumed>) = 3 [pid 5844] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5849] write(3, "1000", 4 [pid 5844] <... futex resumed>) = 0 [pid 5839] exit_group(0 [pid 5849] <... write resumed>) = 4 [pid 5844] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5849] close(3 [pid 5844] <... futex resumed>) = ? [pid 5839] <... exit_group resumed>) = ? [pid 5849] <... close resumed>) = 0 [pid 5845] <... unshare resumed>) = 0 [pid 5844] +++ exited with 0 +++ executing program [pid 5849] write(1, "executing program\n", 18) = 18 [pid 5849] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5846] <... unshare resumed>) = 0 [pid 5849] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5845] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] exit_group(0 [pid 5839] +++ exited with 0 +++ [pid 5849] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5845] <... futex resumed>) = ? [pid 5841] <... exit_group resumed>) = ? [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5839, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5849] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5845] +++ exited with 0 +++ [pid 5841] +++ exited with 0 +++ [pid 5846] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] restart_syscall(<... resuming interrupted clone ...> [pid 5849] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5846] <... futex resumed>) = 0 [pid 5840] exit_group(0 [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5841, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5849] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5847] <... unshare resumed>) = 0 [pid 5840] <... exit_group resumed>) = ? [pid 5822] restart_syscall(<... resuming interrupted clone ...> [pid 5849] <... mmap resumed>) = 0x7f51c7453000 [pid 5847] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5846] +++ exited with 0 +++ [pid 5842] exit_group(0 [pid 5825] <... restart_syscall resumed>) = 0 [pid 5822] <... restart_syscall resumed>) = 0 [pid 5849] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5847] <... futex resumed>) = ? [pid 5842] <... exit_group resumed>) = ? [pid 5840] +++ exited with 0 +++ [pid 5849] <... mprotect resumed>) = 0 [pid 5847] +++ exited with 0 +++ [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5840, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5849] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5849] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5842] +++ exited with 0 +++ [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5854 attached [pid 5854] set_robust_list(0x55557b9646a0, 24 [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5842, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5818] <... clone resumed>, child_tidptr=0x55557b964690) = 5854 ./strace-static-x86_64: Process 5855 attached [pid 5854] <... set_robust_list resumed>) = 0 [pid 5854] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5822] <... clone resumed>, child_tidptr=0x55557b964690) = 5855 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5856 attached [pid 5855] set_robust_list(0x55557b9646a0, 24 [pid 5854] <... prctl resumed>) = 0 [pid 5849] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 5857 attached [pid 5856] set_robust_list(0x55557b9646a0, 24 [pid 5855] <... set_robust_list resumed>) = 0 [pid 5854] setpgid(0, 0./strace-static-x86_64: Process 5858 attached [pid 5857] set_robust_list(0x55557b9646a0, 24 [pid 5854] <... setpgid resumed>) = 0 [pid 5825] <... clone resumed>, child_tidptr=0x55557b964690) = 5856 [pid 5820] <... clone resumed>, child_tidptr=0x55557b964690) = 5857 [pid 5858] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5856] <... set_robust_list resumed>) = 0 [pid 5855] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5858] <... rseq resumed>) = 0 [pid 5857] <... set_robust_list resumed>) = 0 [pid 5856] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5855] <... prctl resumed>) = 0 [pid 5849] <... clone3 resumed> => {parent_tid=[5858]}, 88) = 5858 [pid 5858] set_robust_list(0x7f51c74739a0, 24 [pid 5856] <... prctl resumed>) = 0 [pid 5855] setpgid(0, 0 [pid 5858] <... set_robust_list resumed>) = 0 [pid 5857] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5856] setpgid(0, 0 [pid 5849] rt_sigprocmask(SIG_SETMASK, [], [pid 5858] rt_sigprocmask(SIG_SETMASK, [], [pid 5857] <... prctl resumed>) = 0 [pid 5854] <... openat resumed>) = 3 [pid 5849] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5858] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5857] setpgid(0, 0 [pid 5858] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5849] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5857] <... setpgid resumed>) = 0 [pid 5854] write(3, "1000", 4 [pid 5849] <... futex resumed>) = 0 [pid 5858] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5854] <... write resumed>) = 4 [pid 5857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5856] <... setpgid resumed>) = 0 [pid 5855] <... setpgid resumed>) = 0 [pid 5849] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5857] <... openat resumed>) = 3 [pid 5856] <... openat resumed>) = 3 [pid 5855] <... openat resumed>) = 3 [pid 5854] close(3executing program ) = 0 [pid 5857] write(3, "1000", 4 [pid 5856] write(3, "1000", 4 [pid 5854] write(1, "executing program\n", 18 [pid 5857] <... write resumed>) = 4 [pid 5856] <... write resumed>) = 4 [pid 5855] write(3, "1000", 4 [pid 5854] <... write resumed>) = 18 [pid 5857] close(3 [pid 5855] <... write resumed>) = 4 [pid 5857] <... close resumed>) = 0 executing program [pid 5856] close(3 [pid 5855] close(3 [pid 5854] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] write(1, "executing program\n", 18 [pid 5855] <... close resumed>) = 0 [pid 5857] <... write resumed>) = 18 executing program [pid 5856] <... close resumed>) = 0 [pid 5855] write(1, "executing program\n", 18 [pid 5854] <... futex resumed>) = 0 executing program [pid 5857] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] write(1, "executing program\n", 18 [pid 5855] <... write resumed>) = 18 [pid 5854] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5857] <... futex resumed>) = 0 [pid 5856] <... write resumed>) = 18 [pid 5855] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5856] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] <... futex resumed>) = 0 [pid 5854] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5857] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5856] <... futex resumed>) = 0 [pid 5855] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5854] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5857] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5856] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5855] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5854] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5857] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5856] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5855] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5854] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5857] <... mmap resumed>) = 0x7f51c7453000 [pid 5856] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5855] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5857] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5856] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5855] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5854] <... mmap resumed>) = 0x7f51c7453000 [pid 5857] <... mprotect resumed>) = 0 [pid 5856] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5855] <... mmap resumed>) = 0x7f51c7453000 [pid 5854] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5857] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5856] <... mmap resumed>) = 0x7f51c7453000 [pid 5855] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5854] <... mprotect resumed>) = 0 [pid 5857] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5856] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5855] <... mprotect resumed>) = 0 [pid 5854] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5857] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 5856] <... mprotect resumed>) = 0 [pid 5855] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5854] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5859 attached [pid 5856] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5854] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 5860 attached [pid 5859] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5857] <... clone3 resumed> => {parent_tid=[5859]}, 88) = 5859 [pid 5856] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5855] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5860] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5859] <... rseq resumed>) = 0 [pid 5857] rt_sigprocmask(SIG_SETMASK, [], [pid 5856] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 5855] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 5854] <... clone3 resumed> => {parent_tid=[5860]}, 88) = 5860 ./strace-static-x86_64: Process 5861 attached [pid 5860] <... rseq resumed>) = 0 [pid 5859] set_robust_list(0x7f51c74739a0, 24 [pid 5857] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5862 attached [pid 5861] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5860] set_robust_list(0x7f51c74739a0, 24 [pid 5859] <... set_robust_list resumed>) = 0 [pid 5857] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] rt_sigprocmask(SIG_SETMASK, [], [pid 5862] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5861] <... rseq resumed>) = 0 [pid 5860] <... set_robust_list resumed>) = 0 [pid 5859] rt_sigprocmask(SIG_SETMASK, [], [pid 5857] <... futex resumed>) = 0 [pid 5856] <... clone3 resumed> => {parent_tid=[5861]}, 88) = 5861 [pid 5855] <... clone3 resumed> => {parent_tid=[5862]}, 88) = 5862 [pid 5854] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5862] <... rseq resumed>) = 0 [pid 5861] set_robust_list(0x7f51c74739a0, 24 [pid 5860] rt_sigprocmask(SIG_SETMASK, [], [pid 5859] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5857] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5856] rt_sigprocmask(SIG_SETMASK, [], [pid 5855] rt_sigprocmask(SIG_SETMASK, [], [pid 5854] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5862] set_robust_list(0x7f51c74739a0, 24 [pid 5861] <... set_robust_list resumed>) = 0 [pid 5860] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5856] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5855] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5854] <... futex resumed>) = 0 [pid 5862] <... set_robust_list resumed>) = 0 [pid 5861] rt_sigprocmask(SIG_SETMASK, [], [pid 5860] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5854] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5856] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5861] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5862] rt_sigprocmask(SIG_SETMASK, [], [pid 5856] <... futex resumed>) = 0 [pid 5862] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5861] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5855] <... futex resumed>) = 0 [pid 5862] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5856] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5855] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5849] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5857] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5854] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5855] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5856] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5858] <... unshare resumed>) = 0 [pid 5858] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5858] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5849] exit_group(0) = ? [pid 5858] <... futex resumed>) = ? [pid 5858] +++ exited with 0 +++ [pid 5849] +++ exited with 0 +++ [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5849, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5864 attached [pid 5864] set_robust_list(0x55557b9646a0, 24 [pid 5817] <... clone resumed>, child_tidptr=0x55557b964690) = 5864 [pid 5864] <... set_robust_list resumed>) = 0 [pid 5864] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5864] setpgid(0, 0) = 0 [pid 5864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5864] write(3, "1000", 4) = 4 [pid 5864] close(3) = 0 executing program [pid 5864] write(1, "executing program\n", 18) = 18 [pid 5864] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5864] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 5864] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5864] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 5864] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5864] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5864] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 5865 attached => {parent_tid=[5865]}, 88) = 5865 [pid 5865] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5864] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5864] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5865] <... rseq resumed>) = 0 [pid 5865] set_robust_list(0x7f51c74739a0, 24 [pid 5864] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] <... set_robust_list resumed>) = 0 [pid 5865] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5865] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5861] <... unshare resumed>) = 0 [pid 5861] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5856] exit_group(0 [pid 5861] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 5856] <... exit_group resumed>) = ? [pid 5861] +++ exited with 0 +++ [pid 5856] +++ exited with 0 +++ [pid 5862] <... unshare resumed>) = 0 [pid 5860] <... unshare resumed>) = 0 [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5856, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5862] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] restart_syscall(<... resuming interrupted clone ...> [pid 5862] <... futex resumed>) = 0 [pid 5860] <... futex resumed>) = 0 [pid 5855] exit_group(0 [pid 5825] <... restart_syscall resumed>) = 0 [pid 5860] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5855] <... exit_group resumed>) = ? [pid 5862] +++ exited with 0 +++ [pid 5855] +++ exited with 0 +++ [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5855, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5864] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5822] restart_syscall(<... resuming interrupted clone ...> [pid 5825] <... clone resumed>, child_tidptr=0x55557b964690) = 5869 ./strace-static-x86_64: Process 5869 attached [pid 5822] <... restart_syscall resumed>) = 0 [pid 5869] set_robust_list(0x55557b9646a0, 24 [pid 5854] exit_group(0 [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5869] <... set_robust_list resumed>) = 0 [pid 5860] <... futex resumed>) = ? [pid 5854] <... exit_group resumed>) = ? [pid 5860] +++ exited with 0 +++ [pid 5822] <... clone resumed>, child_tidptr=0x55557b964690) = 5870 ./strace-static-x86_64: Process 5870 attached [pid 5869] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5859] <... unshare resumed>) = 0 [pid 5854] +++ exited with 0 +++ [pid 5869] <... prctl resumed>) = 0 [pid 5869] setpgid(0, 0 [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5854, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5869] <... setpgid resumed>) = 0 [pid 5870] set_robust_list(0x55557b9646a0, 24 [pid 5869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5859] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] <... set_robust_list resumed>) = 0 [pid 5869] <... openat resumed>) = 3 [pid 5859] <... futex resumed>) = 0 [pid 5857] exit_group(0 [pid 5870] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5869] write(3, "1000", 4 [pid 5859] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5870] <... prctl resumed>) = 0 [pid 5869] <... write resumed>) = 4 [pid 5859] <... futex resumed>) = ? [pid 5857] <... exit_group resumed>) = ? [pid 5870] setpgid(0, 0 [pid 5869] close(3 [pid 5859] +++ exited with 0 +++ [pid 5857] +++ exited with 0 +++ [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5869] <... close resumed>) = 0 [pid 5865] <... unshare resumed>) = 0 ./strace-static-x86_64: Process 5873 attached executing program [pid 5870] <... setpgid resumed>) = 0 [pid 5869] write(1, "executing program\n", 18 [pid 5865] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5873] set_robust_list(0x55557b9646a0, 24 [pid 5870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5869] <... write resumed>) = 18 [pid 5864] exit_group(0 [pid 5873] <... set_robust_list resumed>) = 0 [pid 5870] <... openat resumed>) = 3 [pid 5869] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... exit_group resumed>) = ? [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5857, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5818] <... clone resumed>, child_tidptr=0x55557b964690) = 5873 [pid 5873] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5869] <... futex resumed>) = 0 [pid 5865] <... futex resumed>) = ? [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 5873] <... prctl resumed>) = 0 [pid 5870] write(3, "1000", 4 [pid 5869] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5865] +++ exited with 0 +++ [pid 5864] +++ exited with 0 +++ [pid 5820] <... restart_syscall resumed>) = 0 [pid 5873] setpgid(0, 0 [pid 5870] <... write resumed>) = 4 [pid 5869] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5873] <... setpgid resumed>) = 0 [pid 5870] close(3 [pid 5869] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5864, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5870] <... close resumed>) = 0 [pid 5869] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5817] restart_syscall(<... resuming interrupted clone ...>executing program ./strace-static-x86_64: Process 5874 attached [pid 5873] <... openat resumed>) = 3 [pid 5870] write(1, "executing program\n", 18 [pid 5869] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5870] <... write resumed>) = 18 [pid 5869] <... mmap resumed>) = 0x7f51c7453000 [pid 5874] set_robust_list(0x55557b9646a0, 24 [pid 5873] write(3, "1000", 4 [pid 5870] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5874] <... set_robust_list resumed>) = 0 [pid 5873] <... write resumed>) = 4 [pid 5869] <... mprotect resumed>) = 0 [pid 5874] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5873] close(3 [pid 5870] <... futex resumed>) = 0 [pid 5869] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5874] <... prctl resumed>) = 0 [pid 5873] <... close resumed>) = 0 [pid 5870] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5820] <... clone resumed>, child_tidptr=0x55557b964690) = 5874 [pid 5874] setpgid(0, 0) = 0 executing program [pid 5873] write(1, "executing program\n", 18 [pid 5870] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5869] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5873] <... write resumed>) = 18 [pid 5870] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5869] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 5875 attached [pid 5874] <... openat resumed>) = 3 [pid 5873] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5817] <... restart_syscall resumed>) = 0 [pid 5875] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5874] write(3, "1000", 4 [pid 5873] <... futex resumed>) = 0 [pid 5870] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5869] <... clone3 resumed> => {parent_tid=[5875]}, 88) = 5875 [pid 5875] <... rseq resumed>) = 0 [pid 5874] <... write resumed>) = 4 [pid 5873] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5870] <... mmap resumed>) = 0x7f51c7453000 [pid 5869] rt_sigprocmask(SIG_SETMASK, [], [pid 5875] set_robust_list(0x7f51c74739a0, 24 [pid 5874] close(3 [pid 5873] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5870] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5869] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5875] <... set_robust_list resumed>) = 0 [pid 5874] <... close resumed>) = 0 [pid 5873] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5870] <... mprotect resumed>) = 0 [pid 5869] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5875] rt_sigprocmask(SIG_SETMASK, [], [pid 5873] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5874] write(1, "executing program\n", 18executing program [pid 5875] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5874] <... write resumed>) = 18 [pid 5873] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5870] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5869] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5876 attached [pid 5875] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5874] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5873] <... mmap resumed>) = 0x7f51c7453000 [pid 5870] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5869] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5876] set_robust_list(0x55557b9646a0, 24 [pid 5874] <... futex resumed>) = 0 [pid 5873] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5876] <... set_robust_list resumed>) = 0 [pid 5874] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5873] <... mprotect resumed>) = 0 [pid 5870] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 5876] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5874] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5877 attached [pid 5876] <... prctl resumed>) = 0 [pid 5874] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5873] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5876] setpgid(0, 0 [pid 5874] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5876] <... setpgid resumed>) = 0 [pid 5874] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5873] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5870] <... clone3 resumed> => {parent_tid=[5877]}, 88) = 5877 [pid 5874] <... mmap resumed>) = 0x7f51c7453000 [pid 5873] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 5870] rt_sigprocmask(SIG_SETMASK, [], [pid 5817] <... clone resumed>, child_tidptr=0x55557b964690) = 5876 [pid 5870] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5878 attached [pid 5876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5873] <... clone3 resumed> => {parent_tid=[5878]}, 88) = 5878 [pid 5874] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5877] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5876] <... openat resumed>) = 3 [pid 5874] <... mprotect resumed>) = 0 [pid 5873] rt_sigprocmask(SIG_SETMASK, [], [pid 5878] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5877] <... rseq resumed>) = 0 [pid 5876] write(3, "1000", 4 [pid 5874] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5873] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5870] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5878] <... rseq resumed>) = 0 [pid 5877] set_robust_list(0x7f51c74739a0, 24 [pid 5876] <... write resumed>) = 4 [pid 5874] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5873] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] <... futex resumed>) = 0 [pid 5878] set_robust_list(0x7f51c74739a0, 24 [pid 5877] <... set_robust_list resumed>) = 0 [pid 5876] close(3 [pid 5874] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 5873] <... futex resumed>) = 0 executing program [pid 5870] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5879 attached [pid 5879] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5874] <... clone3 resumed> => {parent_tid=[5879]}, 88) = 5879 [pid 5879] <... rseq resumed>) = 0 [pid 5876] <... close resumed>) = 0 [pid 5874] rt_sigprocmask(SIG_SETMASK, [], [pid 5879] set_robust_list(0x7f51c74739a0, 24 [pid 5876] write(1, "executing program\n", 18 [pid 5874] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5879] <... set_robust_list resumed>) = 0 [pid 5876] <... write resumed>) = 18 [pid 5874] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5879] rt_sigprocmask(SIG_SETMASK, [], [pid 5876] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] <... futex resumed>) = 0 [pid 5879] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5878] <... set_robust_list resumed>) = 0 [pid 5879] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5877] rt_sigprocmask(SIG_SETMASK, [], [pid 5876] <... futex resumed>) = 0 [pid 5873] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5878] rt_sigprocmask(SIG_SETMASK, [], [pid 5877] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5878] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5877] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5878] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5876] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5874] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5876] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5876] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5876] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 5876] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5869] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5876] <... mprotect resumed>) = 0 [pid 5876] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5876] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 5880 attached [pid 5880] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5876] <... clone3 resumed> => {parent_tid=[5880]}, 88) = 5880 [pid 5880] <... rseq resumed>) = 0 [pid 5876] rt_sigprocmask(SIG_SETMASK, [], [pid 5880] set_robust_list(0x7f51c74739a0, 24 [pid 5876] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5880] <... set_robust_list resumed>) = 0 [pid 5876] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5880] rt_sigprocmask(SIG_SETMASK, [], [pid 5876] <... futex resumed>) = 0 [pid 5880] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5876] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5880] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5870] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5873] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5874] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5879] <... unshare resumed>) = 0 [pid 5876] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5879] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5874] exit_group(0 [pid 5879] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5874] <... exit_group resumed>) = ? [pid 5879] <... futex resumed>) = ? [pid 5879] +++ exited with 0 +++ [pid 5874] +++ exited with 0 +++ [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5874, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 5875] <... unshare resumed>) = 0 [pid 5875] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5869] exit_group(0) = ? [pid 5875] +++ exited with 0 +++ [pid 5869] +++ exited with 0 +++ [pid 5820] <... restart_syscall resumed>) = 0 [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5869, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5825] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5883 attached [pid 5820] <... clone resumed>, child_tidptr=0x55557b964690) = 5883 ./strace-static-x86_64: Process 5884 attached [pid 5825] <... clone resumed>, child_tidptr=0x55557b964690) = 5884 [pid 5884] set_robust_list(0x55557b9646a0, 24 [pid 5883] set_robust_list(0x55557b9646a0, 24 [pid 5884] <... set_robust_list resumed>) = 0 [pid 5883] <... set_robust_list resumed>) = 0 [pid 5884] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5883] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5884] <... prctl resumed>) = 0 [pid 5883] <... prctl resumed>) = 0 [pid 5884] setpgid(0, 0 [pid 5883] setpgid(0, 0 [pid 5884] <... setpgid resumed>) = 0 [pid 5883] <... setpgid resumed>) = 0 [pid 5884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5884] <... openat resumed>) = 3 [pid 5883] <... openat resumed>) = 3 [pid 5884] write(3, "1000", 4 [pid 5883] write(3, "1000", 4 [pid 5884] <... write resumed>) = 4 [pid 5884] close(3 [pid 5883] <... write resumed>) = 4 [pid 5884] <... close resumed>) = 0 [pid 5883] close(3executing program ) = 0 [pid 5884] write(1, "executing program\n", 18 [pid 5883] write(1, "executing program\n", 18 [pid 5884] <... write resumed>) = 18 executing program [pid 5883] <... write resumed>) = 18 [pid 5883] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5884] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5883] <... futex resumed>) = 0 [pid 5884] <... futex resumed>) = 0 [pid 5884] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5883] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 5884] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5884] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5884] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 5884] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5883] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5883] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5884] <... mprotect resumed>) = 0 [pid 5884] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5883] <... mmap resumed>) = 0x7f51c7453000 [pid 5883] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5880] <... unshare resumed>) = 0 [pid 5877] <... unshare resumed>) = 0 [pid 5884] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 5883] <... mprotect resumed>) = 0 [pid 5877] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5887 attached [pid 5880] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] <... futex resumed>) = 0 [pid 5870] exit_group(0 [pid 5884] <... clone3 resumed> => {parent_tid=[5887]}, 88) = 5887 [pid 5880] <... futex resumed>) = 0 [pid 5883] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5870] <... exit_group resumed>) = ? [pid 5887] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5884] rt_sigprocmask(SIG_SETMASK, [], [pid 5880] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5877] +++ exited with 0 +++ [pid 5876] exit_group(0 [pid 5887] <... rseq resumed>) = 0 [pid 5884] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5887] set_robust_list(0x7f51c74739a0, 24 [pid 5884] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5884] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5887] <... set_robust_list resumed>) = 0 [pid 5883] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5880] <... futex resumed>) = ? [pid 5876] <... exit_group resumed>) = ? [pid 5887] rt_sigprocmask(SIG_SETMASK, [], [pid 5883] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 5880] +++ exited with 0 +++ [pid 5876] +++ exited with 0 +++ [pid 5887] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5876, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5817] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5888 attached [pid 5887] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5883] <... clone3 resumed> => {parent_tid=[5888]}, 88) = 5888 [pid 5888] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053) = 0 [pid 5888] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 5883] rt_sigprocmask(SIG_SETMASK, [], [pid 5878] <... unshare resumed>) = 0 [pid 5870] +++ exited with 0 +++ [pid 5817] <... restart_syscall resumed>) = 0 [pid 5883] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5878] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5870, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5883] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5878] <... futex resumed>) = 0 [pid 5888] rt_sigprocmask(SIG_SETMASK, [], [pid 5883] <... futex resumed>) = 0 [pid 5878] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5873] exit_group(0 [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5888] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5883] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5878] <... futex resumed>) = ? [pid 5873] <... exit_group resumed>) = ? [pid 5888] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5878] +++ exited with 0 +++ [pid 5822] <... clone resumed>, child_tidptr=0x55557b964690) = 5890 ./strace-static-x86_64: Process 5890 attached [pid 5873] +++ exited with 0 +++ [pid 5890] set_robust_list(0x55557b9646a0, 24 [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5873, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5891 attached [pid 5890] <... set_robust_list resumed>) = 0 [pid 5890] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5817] <... clone resumed>, child_tidptr=0x55557b964690) = 5891 [pid 5890] <... prctl resumed>) = 0 [pid 5891] set_robust_list(0x55557b9646a0, 24) = 0 [pid 5890] setpgid(0, 0 [pid 5884] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5884] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5891] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5890] <... setpgid resumed>) = 0 [pid 5890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5891] <... prctl resumed>) = 0 [pid 5891] setpgid(0, 0 [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5892 attached [pid 5891] <... setpgid resumed>) = 0 [pid 5890] <... openat resumed>) = 3 [pid 5891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5884] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5892] set_robust_list(0x55557b9646a0, 24 [pid 5890] write(3, "1000", 4 [pid 5892] <... set_robust_list resumed>) = 0 [pid 5890] <... write resumed>) = 4 [pid 5892] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5891] <... openat resumed>) = 3 [pid 5890] close(3 [pid 5892] <... prctl resumed>) = 0 [pid 5891] write(3, "1000", 4 [pid 5890] <... close resumed>) = 0 [pid 5818] <... clone resumed>, child_tidptr=0x55557b964690) = 5892 executing program [pid 5892] setpgid(0, 0 [pid 5891] <... write resumed>) = 4 [pid 5890] write(1, "executing program\n", 18 [pid 5892] <... setpgid resumed>) = 0 [pid 5891] close(3 [pid 5890] <... write resumed>) = 18 [pid 5892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5891] <... close resumed>) = 0 [pid 5890] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5891] write(1, "executing program\n", 18 [pid 5890] <... futex resumed>) = 0 executing program [pid 5890] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5892] <... openat resumed>) = 3 [pid 5891] <... write resumed>) = 18 [pid 5892] write(3, "1000", 4 [pid 5891] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5890] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5892] <... write resumed>) = 4 [pid 5891] <... futex resumed>) = 0 [pid 5892] close(3 [pid 5891] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5890] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5892] <... close resumed>) = 0 [pid 5891] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5890] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 5892] write(1, "executing program\n", 18 [pid 5891] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5890] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5892] <... write resumed>) = 18 [pid 5891] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5890] <... mmap resumed>) = 0x7f51c7453000 [pid 5892] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5891] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5892] <... futex resumed>) = 0 [pid 5891] <... mmap resumed>) = 0x7f51c7453000 [pid 5890] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5892] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5890] <... mprotect resumed>) = 0 [pid 5892] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5891] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5890] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5892] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5891] <... mprotect resumed>) = 0 [pid 5892] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5891] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5890] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5892] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5890] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 5893 attached [pid 5892] <... mmap resumed>) = 0x7f51c7453000 [pid 5891] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5892] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5891] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 5894 attached [pid 5893] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5892] <... mprotect resumed>) = 0 [pid 5890] <... clone3 resumed> => {parent_tid=[5893]}, 88) = 5893 [pid 5883] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5894] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5893] <... rseq resumed>) = 0 [pid 5892] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5890] rt_sigprocmask(SIG_SETMASK, [], [pid 5894] <... rseq resumed>) = 0 [pid 5893] set_robust_list(0x7f51c74739a0, 24 [pid 5890] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5894] set_robust_list(0x7f51c74739a0, 24 [pid 5893] <... set_robust_list resumed>) = 0 [pid 5892] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5891] <... clone3 resumed> => {parent_tid=[5894]}, 88) = 5894 [pid 5890] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] <... set_robust_list resumed>) = 0 [pid 5893] rt_sigprocmask(SIG_SETMASK, [], [pid 5892] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 5890] <... futex resumed>) = 0 [pid 5894] rt_sigprocmask(SIG_SETMASK, [], [pid 5893] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5891] rt_sigprocmask(SIG_SETMASK, [], [pid 5890] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5895 attached [pid 5894] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5893] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5895] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5894] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5892] <... clone3 resumed> => {parent_tid=[5895]}, 88) = 5895 [pid 5891] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5895] <... rseq resumed>) = 0 [pid 5894] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5892] rt_sigprocmask(SIG_SETMASK, [], [pid 5891] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5895] set_robust_list(0x7f51c74739a0, 24 [pid 5894] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5891] <... futex resumed>) = 0 [pid 5895] <... set_robust_list resumed>) = 0 [pid 5892] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5891] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5895] rt_sigprocmask(SIG_SETMASK, [], [pid 5892] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5895] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5892] <... futex resumed>) = 0 [pid 5895] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5892] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5890] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5891] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5892] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5894] <... unshare resumed>) = 0 [pid 5893] <... unshare resumed>) = 0 [pid 5894] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5893] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5891] exit_group(0 [pid 5894] <... futex resumed>) = ? [pid 5893] <... futex resumed>) = 0 [pid 5891] <... exit_group resumed>) = ? [pid 5893] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5890] exit_group(0 [pid 5893] <... futex resumed>) = ? [pid 5890] <... exit_group resumed>) = ? [pid 5894] +++ exited with 0 +++ [pid 5893] +++ exited with 0 +++ [pid 5891] +++ exited with 0 +++ [pid 5890] +++ exited with 0 +++ [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5890, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5891, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5822] restart_syscall(<... resuming interrupted clone ...> [pid 5817] restart_syscall(<... resuming interrupted clone ...> [pid 5822] <... restart_syscall resumed>) = 0 [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5817] <... restart_syscall resumed>) = 0 [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5895] <... unshare resumed>) = 0 ./strace-static-x86_64: Process 5903 attached ./strace-static-x86_64: Process 5902 attached [pid 5888] <... unshare resumed>) = 0 [pid 5895] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5887] <... unshare resumed>) = 0 [pid 5892] exit_group(0 [pid 5822] <... clone resumed>, child_tidptr=0x55557b964690) = 5902 [pid 5895] <... futex resumed>) = ? [pid 5892] <... exit_group resumed>) = ? [pid 5887] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5888] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5903] set_robust_list(0x55557b9646a0, 24 [pid 5884] exit_group(0 [pid 5887] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5902] set_robust_list(0x55557b9646a0, 24 [pid 5888] <... futex resumed>) = 0 [pid 5887] <... futex resumed>) = ? [pid 5884] <... exit_group resumed>) = ? [pid 5817] <... clone resumed>, child_tidptr=0x55557b964690) = 5903 [pid 5903] <... set_robust_list resumed>) = 0 [pid 5902] <... set_robust_list resumed>) = 0 [pid 5888] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5903] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5902] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5883] exit_group(0 [pid 5887] +++ exited with 0 +++ [pid 5883] <... exit_group resumed>) = ? [pid 5888] <... futex resumed>) = ? [pid 5903] <... prctl resumed>) = 0 [pid 5903] setpgid(0, 0 [pid 5902] <... prctl resumed>) = 0 [pid 5895] +++ exited with 0 +++ [pid 5892] +++ exited with 0 +++ [pid 5888] +++ exited with 0 +++ [pid 5883] +++ exited with 0 +++ [pid 5884] +++ exited with 0 +++ [pid 5903] <... setpgid resumed>) = 0 [pid 5902] setpgid(0, 0 [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5884, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5902] <... setpgid resumed>) = 0 [pid 5825] restart_syscall(<... resuming interrupted clone ...> [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5883, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5892, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5825] <... restart_syscall resumed>) = 0 [pid 5820] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5818] restart_syscall(<... resuming interrupted clone ...> [pid 5903] <... openat resumed>) = 3 [pid 5903] write(3, "1000", 4 [pid 5902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5818] <... restart_syscall resumed>) = 0 [pid 5903] <... write resumed>) = 4 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5903] close(3 [pid 5902] <... openat resumed>) = 3 [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program ./strace-static-x86_64: Process 5904 attached [pid 5903] <... close resumed>) = 0 [pid 5903] write(1, "executing program\n", 18 [pid 5902] write(3, "1000", 4 [pid 5903] <... write resumed>) = 18 [pid 5902] <... write resumed>) = 4 [pid 5818] <... clone resumed>, child_tidptr=0x55557b964690) = 5904 [pid 5903] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] close(3) = 0 [pid 5904] set_robust_list(0x55557b9646a0, 24./strace-static-x86_64: Process 5906 attached ./strace-static-x86_64: Process 5905 attached ) = 0 executing program [pid 5903] <... futex resumed>) = 0 [pid 5902] write(1, "executing program\n", 18 [pid 5903] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5820] <... clone resumed>, child_tidptr=0x55557b964690) = 5905 [pid 5906] set_robust_list(0x55557b9646a0, 24 [pid 5905] set_robust_list(0x55557b9646a0, 24 [pid 5904] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5903] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5902] <... write resumed>) = 18 [pid 5825] <... clone resumed>, child_tidptr=0x55557b964690) = 5906 [pid 5906] <... set_robust_list resumed>) = 0 [pid 5904] <... prctl resumed>) = 0 [pid 5905] <... set_robust_list resumed>) = 0 [pid 5903] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5902] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5903] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5906] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5905] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5904] setpgid(0, 0 [pid 5903] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5902] <... futex resumed>) = 0 [pid 5906] <... prctl resumed>) = 0 [pid 5904] <... setpgid resumed>) = 0 [pid 5903] <... mmap resumed>) = 0x7f51c7453000 [pid 5906] setpgid(0, 0 [pid 5905] <... prctl resumed>) = 0 [pid 5904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5903] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5902] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5906] <... setpgid resumed>) = 0 [pid 5905] setpgid(0, 0 [pid 5902] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5904] <... openat resumed>) = 3 [pid 5903] <... mprotect resumed>) = 0 [pid 5906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5905] <... setpgid resumed>) = 0 [pid 5902] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5904] write(3, "1000", 4) = 4 [pid 5904] close(3 [pid 5906] <... openat resumed>) = 3 [pid 5905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5904] <... close resumed>) = 0 [pid 5903] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5902] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5902] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 executing program [pid 5904] write(1, "executing program\n", 18 [pid 5902] <... mmap resumed>) = 0x7f51c7453000 [pid 5906] write(3, "1000", 4 [pid 5904] <... write resumed>) = 18 [pid 5906] <... write resumed>) = 4 [pid 5905] <... openat resumed>) = 3 [pid 5904] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5903] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5902] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5906] close(3 [pid 5904] <... futex resumed>) = 0 [pid 5903] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 5904] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 5904] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 5907 attached [pid 5906] <... close resumed>) = 0 [pid 5904] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5904] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 5904] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5904] rt_sigprocmask(SIG_BLOCK, ~[], executing program [], 8) = 0 [pid 5907] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5906] write(1, "executing program\n", 18 [pid 5905] write(3, "1000", 4 [pid 5903] <... clone3 resumed> => {parent_tid=[5907]}, 88) = 5907 [pid 5902] <... mprotect resumed>) = 0 [pid 5907] <... rseq resumed>) = 0 [pid 5906] <... write resumed>) = 18 [pid 5903] rt_sigprocmask(SIG_SETMASK, [], [pid 5906] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5903] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5906] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 5903] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5906] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5907] set_robust_list(0x7f51c74739a0, 24 [pid 5906] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5903] <... futex resumed>) = 0 [pid 5906] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5902] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5907] <... set_robust_list resumed>) = 0 [pid 5906] <... mmap resumed>) = 0x7f51c7453000 [pid 5905] <... write resumed>) = 4 [pid 5904] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 5903] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5902] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5908 attached [pid 5907] rt_sigprocmask(SIG_SETMASK, [], [pid 5906] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5905] close(3 [pid 5902] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 5908] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5907] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5906] <... mprotect resumed>) = 0 [pid 5905] <... close resumed>) = 0 [pid 5904] <... clone3 resumed> => {parent_tid=[5908]}, 88) = 5908 executing program [pid 5908] <... rseq resumed>) = 0 [pid 5905] write(1, "executing program\n", 18 [pid 5904] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5909 attached [pid 5908] set_robust_list(0x7f51c74739a0, 24 [pid 5907] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5906] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5905] <... write resumed>) = 18 [pid 5904] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5909] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5908] <... set_robust_list resumed>) = 0 [pid 5905] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5904] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5909] <... rseq resumed>) = 0 [pid 5908] rt_sigprocmask(SIG_SETMASK, [], [pid 5904] <... futex resumed>) = 0 [pid 5909] set_robust_list(0x7f51c74739a0, 24 [pid 5908] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5905] <... futex resumed>) = 0 [pid 5904] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5902] <... clone3 resumed> => {parent_tid=[5909]}, 88) = 5909 [pid 5909] <... set_robust_list resumed>) = 0 [pid 5908] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5906] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5905] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5909] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5909] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5905] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5905] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5906] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 5905] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5902] rt_sigprocmask(SIG_SETMASK, [], [pid 5905] <... mmap resumed>) = 0x7f51c7453000 [pid 5902] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5906] <... clone3 resumed> => {parent_tid=[5910]}, 88) = 5910 [pid 5902] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5906] rt_sigprocmask(SIG_SETMASK, [], [pid 5902] <... futex resumed>) = 1 [pid 5909] <... futex resumed>) = 0 [pid 5906] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5902] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5909] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5906] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5910 attached [pid 5905] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5910] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5905] <... mprotect resumed>) = 0 [pid 5910] <... rseq resumed>) = 0 [pid 5905] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5910] set_robust_list(0x7f51c74739a0, 24 [pid 5905] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5910] <... set_robust_list resumed>) = 0 [pid 5905] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 5911 attached [pid 5910] rt_sigprocmask(SIG_SETMASK, [], [pid 5911] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5910] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5905] <... clone3 resumed> => {parent_tid=[5911]}, 88) = 5911 [pid 5911] <... rseq resumed>) = 0 [pid 5910] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5905] rt_sigprocmask(SIG_SETMASK, [], [pid 5911] set_robust_list(0x7f51c74739a0, 24 [pid 5906] <... futex resumed>) = 0 [pid 5905] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5911] <... set_robust_list resumed>) = 0 [pid 5906] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5905] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5905] <... futex resumed>) = 0 [pid 5911] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5905] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5904] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5903] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5904] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5902] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5906] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5905] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5907] <... unshare resumed>) = 0 [pid 5907] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5907] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5903] exit_group(0) = ? [pid 5907] <... futex resumed>) = ? [pid 5907] +++ exited with 0 +++ [pid 5903] +++ exited with 0 +++ [pid 5908] <... unshare resumed>) = 0 [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5903, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5908] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5908] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5914 attached [pid 5904] exit_group(0 [pid 5817] <... clone resumed>, child_tidptr=0x55557b964690) = 5914 [pid 5908] <... futex resumed>) = ? [pid 5904] <... exit_group resumed>) = ? [pid 5914] set_robust_list(0x55557b9646a0, 24 [pid 5908] +++ exited with 0 +++ [pid 5904] +++ exited with 0 +++ [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5904, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5818] restart_syscall(<... resuming interrupted clone ...> [pid 5914] <... set_robust_list resumed>) = 0 [pid 5914] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5914] setpgid(0, 0) = 0 [pid 5914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5818] <... restart_syscall resumed>) = 0 [pid 5914] <... openat resumed>) = 3 [pid 5909] <... unshare resumed>) = 0 [pid 5914] write(3, "1000", 4 [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5916 attached , child_tidptr=0x55557b964690) = 5916 [pid 5916] set_robust_list(0x55557b9646a0, 24) = 0 [pid 5916] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5916] setpgid(0, 0) = 0 [pid 5916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5916] write(3, "1000", 4) = 4 [pid 5914] <... write resumed>) = 4 [pid 5909] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5916] close(3 [pid 5909] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5902] exit_group(0 [pid 5916] <... close resumed>) = 0 [pid 5909] <... futex resumed>) = ? [pid 5902] <... exit_group resumed>) = ? executing program executing program [pid 5916] write(1, "executing program\n", 18 [pid 5914] close(3 [pid 5909] +++ exited with 0 +++ [pid 5902] +++ exited with 0 +++ [pid 5916] <... write resumed>) = 18 [pid 5914] <... close resumed>) = 0 [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5902, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5914] write(1, "executing program\n", 18) = 18 [pid 5822] restart_syscall(<... resuming interrupted clone ...> [pid 5914] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5914] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 5914] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5914] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 5914] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5914] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5914] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} => {parent_tid=[5918]}, 88) = 5918 [pid 5914] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5914] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5914] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5918 attached [pid 5916] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5910] <... unshare resumed>) = 0 [pid 5918] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5916] <... futex resumed>) = 0 [pid 5822] <... restart_syscall resumed>) = 0 [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5919 attached , child_tidptr=0x55557b964690) = 5919 [pid 5910] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] <... rseq resumed>) = 0 [pid 5910] <... futex resumed>) = 0 [pid 5916] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5910] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5918] set_robust_list(0x7f51c74739a0, 24 [pid 5916] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5918] <... set_robust_list resumed>) = 0 [pid 5919] set_robust_list(0x55557b9646a0, 24 [pid 5916] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5918] rt_sigprocmask(SIG_SETMASK, [], [pid 5916] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5906] exit_group(0 [pid 5919] <... set_robust_list resumed>) = 0 [pid 5918] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5916] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5910] <... futex resumed>) = ? [pid 5906] <... exit_group resumed>) = ? [pid 5919] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5918] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5916] <... mmap resumed>) = 0x7f51c7453000 [pid 5910] +++ exited with 0 +++ [pid 5906] +++ exited with 0 +++ [pid 5919] <... prctl resumed>) = 0 [pid 5919] setpgid(0, 0) = 0 [pid 5916] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5906, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5916] <... mprotect resumed>) = 0 [pid 5825] restart_syscall(<... resuming interrupted clone ...> [pid 5919] <... openat resumed>) = 3 [pid 5825] <... restart_syscall resumed>) = 0 [pid 5919] write(3, "1000", 4 [pid 5916] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5919] <... write resumed>) = 4 executing program [pid 5919] close(3) = 0 [pid 5919] write(1, "executing program\n", 18) = 18 [pid 5919] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5919] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 5919] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5919] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 5919] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5919] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5916] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5919] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5919] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 5920 attached ./strace-static-x86_64: Process 5921 attached [pid 5916] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 5911] <... unshare resumed>) = 0 [pid 5916] <... clone3 resumed> => {parent_tid=[5923]}, 88) = 5923 [pid 5916] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5825] <... clone resumed>, child_tidptr=0x55557b964690) = 5921 [pid 5916] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5916] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5923 attached [pid 5921] set_robust_list(0x55557b9646a0, 24 [pid 5920] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5919] <... clone3 resumed> => {parent_tid=[5920]}, 88) = 5920 [pid 5914] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5911] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5921] <... set_robust_list resumed>) = 0 [pid 5920] <... rseq resumed>) = 0 [pid 5919] rt_sigprocmask(SIG_SETMASK, [], [pid 5911] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5919] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5921] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5920] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 5919] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5921] <... prctl resumed>) = 0 [pid 5920] rt_sigprocmask(SIG_SETMASK, [], [pid 5919] <... futex resumed>) = 0 [pid 5921] setpgid(0, 0 [pid 5920] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5919] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5923] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5920] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5921] <... setpgid resumed>) = 0 [pid 5905] exit_group(0 [pid 5911] <... futex resumed>) = ? [pid 5905] <... exit_group resumed>) = ? [pid 5921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5911] +++ exited with 0 +++ [pid 5905] +++ exited with 0 +++ [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5905, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 5923] <... rseq resumed>) = 0 [pid 5921] <... openat resumed>) = 3 [pid 5820] <... restart_syscall resumed>) = 0 [pid 5923] set_robust_list(0x7f51c74739a0, 24 [pid 5921] write(3, "1000", 4 [pid 5923] <... set_robust_list resumed>) = 0 [pid 5921] <... write resumed>) = 4 [pid 5923] rt_sigprocmask(SIG_SETMASK, [], [pid 5921] close(3 [pid 5923] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5921] <... close resumed>) = 0 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5923] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNETexecuting program [pid 5921] write(1, "executing program\n", 18./strace-static-x86_64: Process 5924 attached [pid 5916] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5924] set_robust_list(0x55557b9646a0, 24 [pid 5921] <... write resumed>) = 18 [pid 5924] <... set_robust_list resumed>) = 0 [pid 5921] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5924] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5921] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5924] <... prctl resumed>) = 0 [pid 5921] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5820] <... clone resumed>, child_tidptr=0x55557b964690) = 5924 [pid 5924] setpgid(0, 0 [pid 5921] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5924] <... setpgid resumed>) = 0 [pid 5921] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5921] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5924] <... openat resumed>) = 3 [pid 5921] <... mmap resumed>) = 0x7f51c7453000 [pid 5924] write(3, "1000", 4 [pid 5921] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5924] <... write resumed>) = 4 [pid 5921] <... mprotect resumed>) = 0 [pid 5924] close(3 [pid 5921] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5919] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5924] <... close resumed>) = 0 [pid 5921] <... rt_sigprocmask resumed>[], 8) = 0 executing program [pid 5924] write(1, "executing program\n", 18 [pid 5921] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 5925 attached [pid 5924] <... write resumed>) = 18 [pid 5925] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5924] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5921] <... clone3 resumed> => {parent_tid=[5925]}, 88) = 5925 [pid 5925] <... rseq resumed>) = 0 [pid 5924] <... futex resumed>) = 0 [pid 5921] rt_sigprocmask(SIG_SETMASK, [], [pid 5925] set_robust_list(0x7f51c74739a0, 24 [pid 5924] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5921] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5925] <... set_robust_list resumed>) = 0 [pid 5924] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5921] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] rt_sigprocmask(SIG_SETMASK, [], [pid 5924] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5921] <... futex resumed>) = 0 [pid 5925] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5924] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5921] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5925] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5924] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 5924] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5924] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5924] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} => {parent_tid=[5926]}, 88) = 5926 ./strace-static-x86_64: Process 5926 attached [pid 5924] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5926] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5924] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] <... unshare resumed>) = 0 [pid 5926] <... rseq resumed>) = 0 [pid 5924] <... futex resumed>) = 0 [pid 5918] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5926] set_robust_list(0x7f51c74739a0, 24 [pid 5924] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5918] <... futex resumed>) = 0 [pid 5918] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5926] <... set_robust_list resumed>) = 0 [pid 5926] rt_sigprocmask(SIG_SETMASK, [], [pid 5914] exit_group(0 [pid 5926] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5918] <... futex resumed>) = ? [pid 5914] <... exit_group resumed>) = ? [pid 5926] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5918] +++ exited with 0 +++ [pid 5914] +++ exited with 0 +++ [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5914, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5817] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5928 attached , child_tidptr=0x55557b964690) = 5928 [pid 5928] set_robust_list(0x55557b9646a0, 24) = 0 [pid 5928] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5928] setpgid(0, 0) = 0 [pid 5928] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5923] <... unshare resumed>) = 0 [pid 5921] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5923] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] exit_group(0 [pid 5923] <... futex resumed>) = ? [pid 5916] <... exit_group resumed>) = ? [pid 5928] write(3, "1000", 4 [pid 5923] +++ exited with 0 +++ [pid 5916] +++ exited with 0 +++ [pid 5928] <... write resumed>) = 4 [pid 5920] <... unshare resumed>) = 0 [pid 5928] close(3 [pid 5920] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5916, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5928] <... close resumed>) = 0 executing program [pid 5920] <... futex resumed>) = 0 [pid 5928] write(1, "executing program\n", 18 [pid 5920] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5919] exit_group(0 [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5928] <... write resumed>) = 18 [pid 5919] <... exit_group resumed>) = ? [pid 5928] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5928] <... futex resumed>) = 0 [pid 5928] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 5928] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5920] <... futex resumed>) = ? [pid 5928] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5931 attached [pid 5928] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 5928] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5931] set_robust_list(0x55557b9646a0, 24 [pid 5928] <... mprotect resumed>) = 0 [pid 5928] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5920] +++ exited with 0 +++ [pid 5919] +++ exited with 0 +++ [pid 5928] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5928] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} => {parent_tid=[5932]}, 88) = 5932 [pid 5928] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5932 attached [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5919, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5928] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5822] restart_syscall(<... resuming interrupted clone ...> [pid 5932] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5931] <... set_robust_list resumed>) = 0 [pid 5928] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5818] <... clone resumed>, child_tidptr=0x55557b964690) = 5931 [pid 5932] <... rseq resumed>) = 0 [pid 5932] set_robust_list(0x7f51c74739a0, 24 [pid 5931] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5928] <... futex resumed>) = 0 [pid 5932] <... set_robust_list resumed>) = 0 [pid 5928] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5932] rt_sigprocmask(SIG_SETMASK, [], [pid 5931] <... prctl resumed>) = 0 [pid 5932] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5931] setpgid(0, 0 [pid 5932] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5931] <... setpgid resumed>) = 0 [pid 5931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5822] <... restart_syscall resumed>) = 0 [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5931] <... openat resumed>) = 3 [pid 5822] <... clone resumed>, child_tidptr=0x55557b964690) = 5933 ./strace-static-x86_64: Process 5933 attached [pid 5933] set_robust_list(0x55557b9646a0, 24) = 0 [pid 5933] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5931] write(3, "1000", 4 [pid 5933] <... prctl resumed>) = 0 [pid 5931] <... write resumed>) = 4 [pid 5931] close(3) = 0 [pid 5933] setpgid(0, 0executing program [pid 5931] write(1, "executing program\n", 18 [pid 5933] <... setpgid resumed>) = 0 [pid 5931] <... write resumed>) = 18 [pid 5933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5931] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5931] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5933] <... openat resumed>) = 3 [pid 5931] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5931] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5933] write(3, "1000", 4) = 4 [pid 5931] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5933] close(3 [pid 5931] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5933] <... close resumed>) = 0 [pid 5931] <... mmap resumed>) = 0x7f51c7453000 executing program [pid 5933] write(1, "executing program\n", 18 [pid 5931] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5933] <... write resumed>) = 18 [pid 5931] <... mprotect resumed>) = 0 [pid 5933] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5933] <... futex resumed>) = 0 [pid 5931] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5933] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5931] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 5934 attached [pid 5933] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5934] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5933] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5931] <... clone3 resumed> => {parent_tid=[5934]}, 88) = 5934 [pid 5934] <... rseq resumed>) = 0 [pid 5934] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 5933] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5934] rt_sigprocmask(SIG_SETMASK, [], [pid 5933] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5934] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5933] <... mmap resumed>) = 0x7f51c7453000 [pid 5934] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5933] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5931] rt_sigprocmask(SIG_SETMASK, [], [pid 5933] <... mprotect resumed>) = 0 [pid 5931] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5931] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5933] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5931] <... futex resumed>) = 1 [pid 5934] <... futex resumed>) = 0 [pid 5933] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5931] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5934] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5933] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 5935 attached => {parent_tid=[5935]}, 88) = 5935 [pid 5935] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5933] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5933] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5935] <... rseq resumed>) = 0 [pid 5933] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5935] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 5935] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5935] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5928] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5931] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5925] <... unshare resumed>) = 0 [pid 5925] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5925] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5933] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5921] exit_group(0) = ? [pid 5925] <... futex resumed>) = ? [pid 5925] +++ exited with 0 +++ [pid 5921] +++ exited with 0 +++ [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5921, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5825] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5937 attached [pid 5937] set_robust_list(0x55557b9646a0, 24) = 0 [pid 5937] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5825] <... clone resumed>, child_tidptr=0x55557b964690) = 5937 [pid 5937] <... prctl resumed>) = 0 [pid 5926] <... unshare resumed>) = 0 [pid 5937] setpgid(0, 0) = 0 [pid 5926] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5926] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5937] <... openat resumed>) = 3 [pid 5924] exit_group(0 [pid 5926] <... futex resumed>) = ? [pid 5924] <... exit_group resumed>) = ? [pid 5937] write(3, "1000", 4 [pid 5926] +++ exited with 0 +++ [pid 5937] <... write resumed>) = 4 [pid 5924] +++ exited with 0 +++ [pid 5937] close(3executing program ) = 0 [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5924, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5937] write(1, "executing program\n", 18 [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 5937] <... write resumed>) = 18 [pid 5937] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5937] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5820] <... restart_syscall resumed>) = 0 [pid 5937] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5937] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5937] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5937] <... mmap resumed>) = 0x7f51c7453000 [pid 5937] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5937] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5939 attached [pid 5939] set_robust_list(0x55557b9646a0, 24 [pid 5937] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5820] <... clone resumed>, child_tidptr=0x55557b964690) = 5939 [pid 5939] <... set_robust_list resumed>) = 0 [pid 5937] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 5939] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5940 attached ) = 0 [pid 5937] <... clone3 resumed> => {parent_tid=[5940]}, 88) = 5940 [pid 5940] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5939] setpgid(0, 0 [pid 5937] rt_sigprocmask(SIG_SETMASK, [], [pid 5940] <... rseq resumed>) = 0 [pid 5939] <... setpgid resumed>) = 0 [pid 5937] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5940] set_robust_list(0x7f51c74739a0, 24 [pid 5939] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5937] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5940] <... set_robust_list resumed>) = 0 [pid 5940] rt_sigprocmask(SIG_SETMASK, [], [pid 5937] <... futex resumed>) = 0 [pid 5940] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5939] <... openat resumed>) = 3 [pid 5937] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5940] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5939] write(3, "1000", 4) = 4 [pid 5939] close(3) = 0 executing program [pid 5939] write(1, "executing program\n", 18) = 18 [pid 5939] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5939] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 5939] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5939] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 5939] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5939] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5939] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 5941 attached => {parent_tid=[5941]}, 88) = 5941 [pid 5941] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053) = 0 [pid 5939] rt_sigprocmask(SIG_SETMASK, [], [pid 5941] set_robust_list(0x7f51c74739a0, 24 [pid 5939] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5941] <... set_robust_list resumed>) = 0 [pid 5939] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5941] rt_sigprocmask(SIG_SETMASK, [], [pid 5939] <... futex resumed>) = 0 [pid 5941] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5939] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5941] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5937] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5939] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5932] <... unshare resumed>) = 0 [pid 5932] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5928] exit_group(0) = ? [pid 5932] <... futex resumed>) = ? [pid 5932] +++ exited with 0 +++ [pid 5928] +++ exited with 0 +++ [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5928, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5817] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5943 attached , child_tidptr=0x55557b964690) = 5943 [pid 5934] <... unshare resumed>) = 0 [pid 5943] set_robust_list(0x55557b9646a0, 24) = 0 [pid 5943] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5943] setpgid(0, 0) = 0 [pid 5935] <... unshare resumed>) = 0 [pid 5943] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5935] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5935] <... futex resumed>) = 0 [pid 5934] <... futex resumed>) = 0 [pid 5933] exit_group(0 [pid 5931] exit_group(0 [pid 5943] <... openat resumed>) = 3 [pid 5933] <... exit_group resumed>) = ? [pid 5931] <... exit_group resumed>) = ? [pid 5943] write(3, "1000", 4 [pid 5935] +++ exited with 0 +++ [pid 5934] +++ exited with 0 +++ [pid 5933] +++ exited with 0 +++ [pid 5931] +++ exited with 0 +++ [pid 5943] <... write resumed>) = 4 [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5933, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5931, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5943] close(3 [pid 5822] restart_syscall(<... resuming interrupted clone ...> [pid 5818] restart_syscall(<... resuming interrupted clone ...> [pid 5943] <... close resumed>) = 0 [pid 5943] write(1, "executing program\n", 18) = 18 [pid 5943] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000executing program ) = 0 [pid 5822] <... restart_syscall resumed>) = 0 [pid 5818] <... restart_syscall resumed>) = 0 [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5947 attached ./strace-static-x86_64: Process 5946 attached [pid 5946] set_robust_list(0x55557b9646a0, 24 [pid 5947] set_robust_list(0x55557b9646a0, 24 [pid 5946] <... set_robust_list resumed>) = 0 [pid 5818] <... clone resumed>, child_tidptr=0x55557b964690) = 5947 [pid 5947] <... set_robust_list resumed>) = 0 [pid 5946] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5822] <... clone resumed>, child_tidptr=0x55557b964690) = 5946 [pid 5947] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5946] <... prctl resumed>) = 0 [pid 5943] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5947] <... prctl resumed>) = 0 [pid 5946] setpgid(0, 0 [pid 5947] setpgid(0, 0 [pid 5946] <... setpgid resumed>) = 0 [pid 5947] <... setpgid resumed>) = 0 [pid 5946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5943] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5946] write(3, "1000", 4) = 4 [pid 5943] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5946] close(3 [pid 5943] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 5946] <... close resumed>) = 0 [pid 5943] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5946] write(1, "executing program\n", 18) = 18 [pid 5943] <... mmap resumed>) = 0x7f51c7453000 [pid 5943] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5946] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5943] <... mprotect resumed>) = 0 [pid 5947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5946] <... futex resumed>) = 0 [pid 5943] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5946] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 5947] <... openat resumed>) = 3 [pid 5943] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5946] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5943] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 5947] write(3, "1000", 4 [pid 5946] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5948 attached [pid 5943] <... clone3 resumed> => {parent_tid=[5948]}, 88) = 5948 [pid 5948] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5947] <... write resumed>) = 4 [pid 5943] rt_sigprocmask(SIG_SETMASK, [], [pid 5948] <... rseq resumed>) = 0 [pid 5947] close(3 [pid 5946] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5943] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5948] set_robust_list(0x7f51c74739a0, 24 [pid 5947] <... close resumed>) = 0 [pid 5946] <... mmap resumed>) = 0x7f51c7453000 [pid 5948] <... set_robust_list resumed>) = 0 [pid 5943] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5948] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5947] write(1, "executing program\n", 18 [pid 5943] <... futex resumed>) = 0 executing program [pid 5948] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5946] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5946] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5946] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} => {parent_tid=[5949]}, 88) = 5949 [pid 5946] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5946] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5946] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5949 attached [pid 5943] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5949] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5947] <... write resumed>) = 18 [pid 5949] <... rseq resumed>) = 0 [pid 5947] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] set_robust_list(0x7f51c74739a0, 24 [pid 5947] <... futex resumed>) = 0 [pid 5949] <... set_robust_list resumed>) = 0 [pid 5947] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5949] rt_sigprocmask(SIG_SETMASK, [], [pid 5947] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5949] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5949] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5947] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5947] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 5947] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5947] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5947] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 5950 attached => {parent_tid=[5950]}, 88) = 5950 [pid 5950] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5947] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5950] <... rseq resumed>) = 0 [pid 5947] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5950] set_robust_list(0x7f51c74739a0, 24 [pid 5947] <... futex resumed>) = 0 [pid 5950] <... set_robust_list resumed>) = 0 [pid 5947] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5950] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5950] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5941] <... unshare resumed>) = 0 [pid 5946] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5943] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5941] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5939] exit_group(0 [pid 5941] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 5939] <... exit_group resumed>) = ? [pid 5941] +++ exited with 0 +++ [pid 5939] +++ exited with 0 +++ [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5939, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 5940] <... unshare resumed>) = 0 [pid 5940] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5940] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5820] <... restart_syscall resumed>) = 0 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5953 attached [pid 5953] set_robust_list(0x55557b9646a0, 24 [pid 5937] exit_group(0 [pid 5820] <... clone resumed>, child_tidptr=0x55557b964690) = 5953 [pid 5953] <... set_robust_list resumed>) = 0 [pid 5947] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5940] <... futex resumed>) = ? [pid 5937] <... exit_group resumed>) = ? [pid 5953] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5940] +++ exited with 0 +++ [pid 5937] +++ exited with 0 +++ [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5937, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5953] <... prctl resumed>) = 0 [pid 5953] setpgid(0, 0) = 0 [pid 5953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5953] write(3, "1000", 4) = 4 [pid 5953] close(3 [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5954 attached [pid 5953] <... close resumed>) = 0 [pid 5953] write(1, "executing program\n", 18 [pid 5825] <... clone resumed>, child_tidptr=0x55557b964690) = 5954 executing program [pid 5954] set_robust_list(0x55557b9646a0, 24 [pid 5953] <... write resumed>) = 18 [pid 5954] <... set_robust_list resumed>) = 0 [pid 5953] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5953] <... futex resumed>) = 0 [pid 5953] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5954] <... prctl resumed>) = 0 [pid 5953] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5953] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5954] setpgid(0, 0 [pid 5953] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5953] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 5953] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5954] <... setpgid resumed>) = 0 [pid 5953] <... mprotect resumed>) = 0 [pid 5954] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5953] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5954] <... openat resumed>) = 3 [pid 5953] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5953] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 5954] write(3, "1000", 4) = 4 [pid 5953] <... clone3 resumed> => {parent_tid=[5955]}, 88) = 5955 ./strace-static-x86_64: Process 5955 attached [pid 5954] close(3 [pid 5953] rt_sigprocmask(SIG_SETMASK, [], [pid 5955] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5954] <... close resumed>) = 0 [pid 5953] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5955] <... rseq resumed>) = 0 [pid 5955] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 5953] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] rt_sigprocmask(SIG_SETMASK, [], [pid 5954] write(1, "executing program\n", 18 [pid 5953] <... futex resumed>) = 0 executing program [pid 5953] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5954] <... write resumed>) = 18 [pid 5954] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5954] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 5954] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5954] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5955] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5954] <... mmap resumed>) = 0x7f51c7453000 [pid 5955] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5954] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5954] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5954] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} => {parent_tid=[5956]}, 88) = 5956 ./strace-static-x86_64: Process 5956 attached [pid 5954] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5956] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5954] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] <... rseq resumed>) = 0 [pid 5956] set_robust_list(0x7f51c74739a0, 24 [pid 5954] <... futex resumed>) = 0 [pid 5956] <... set_robust_list resumed>) = 0 [pid 5956] rt_sigprocmask(SIG_SETMASK, [], [pid 5954] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5956] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5956] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5949] <... unshare resumed>) = 0 [pid 5949] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5949] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5953] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5950] <... unshare resumed>) = 0 [pid 5948] <... unshare resumed>) = 0 [pid 5946] exit_group(0 [pid 5949] <... futex resumed>) = ? [pid 5946] <... exit_group resumed>) = ? [pid 5949] +++ exited with 0 +++ [pid 5946] +++ exited with 0 +++ [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5946, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5950] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5948] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5950] <... futex resumed>) = 0 [pid 5948] <... futex resumed>) = 0 [pid 5822] restart_syscall(<... resuming interrupted clone ...> [pid 5950] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5948] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5943] exit_group(0 [pid 5947] exit_group(0 [pid 5948] <... futex resumed>) = ? [pid 5943] <... exit_group resumed>) = ? [pid 5947] <... exit_group resumed>) = ? [pid 5950] <... futex resumed>) = ? [pid 5950] +++ exited with 0 +++ [pid 5948] +++ exited with 0 +++ [pid 5954] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5947] +++ exited with 0 +++ [pid 5943] +++ exited with 0 +++ [pid 5822] <... restart_syscall resumed>) = 0 [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5947, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5943, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5818] <... clone resumed>, child_tidptr=0x55557b964690) = 5960 ./strace-static-x86_64: Process 5961 attached [pid 5961] set_robust_list(0x55557b9646a0, 24./strace-static-x86_64: Process 5962 attached ./strace-static-x86_64: Process 5960 attached [pid 5817] <... clone resumed>, child_tidptr=0x55557b964690) = 5961 [pid 5960] set_robust_list(0x55557b9646a0, 24 [pid 5822] <... clone resumed>, child_tidptr=0x55557b964690) = 5962 [pid 5962] set_robust_list(0x55557b9646a0, 24 [pid 5961] <... set_robust_list resumed>) = 0 [pid 5960] <... set_robust_list resumed>) = 0 [pid 5962] <... set_robust_list resumed>) = 0 [pid 5961] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5960] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5962] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5961] <... prctl resumed>) = 0 [pid 5962] setpgid(0, 0 [pid 5961] setpgid(0, 0 [pid 5960] <... prctl resumed>) = 0 [pid 5962] <... setpgid resumed>) = 0 [pid 5961] <... setpgid resumed>) = 0 [pid 5960] setpgid(0, 0 [pid 5962] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5960] <... setpgid resumed>) = 0 [pid 5962] <... openat resumed>) = 3 [pid 5961] <... openat resumed>) = 3 [pid 5962] write(3, "1000", 4) = 4 [pid 5960] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5962] close(3) = 0 [pid 5961] write(3, "1000", 4 [pid 5960] <... openat resumed>) = 3 [pid 5961] <... write resumed>) = 4 [pid 5961] close(3executing program ) = 0 [pid 5961] write(1, "executing program\n", 18) = 18 [pid 5962] write(1, "executing program\n", 18 [pid 5961] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5960] write(3, "1000", 4executing program [pid 5961] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5960] <... write resumed>) = 4 [pid 5962] <... write resumed>) = 18 [pid 5961] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5960] close(3 [pid 5961] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5960] <... close resumed>) = 0 executing program [pid 5962] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5961] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5960] write(1, "executing program\n", 18 [pid 5962] <... futex resumed>) = 0 [pid 5961] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5960] <... write resumed>) = 18 [pid 5960] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5960] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5962] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5961] <... mmap resumed>) = 0x7f51c7453000 [pid 5962] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5961] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5962] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5961] <... mprotect resumed>) = 0 [pid 5960] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5962] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5960] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5962] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5961] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5960] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5962] <... mmap resumed>) = 0x7f51c7453000 [pid 5961] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5960] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5962] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5961] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 5960] <... mmap resumed>) = 0x7f51c7453000 [pid 5960] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5960] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5955] <... unshare resumed>) = 0 ./strace-static-x86_64: Process 5965 attached [pid 5962] <... mprotect resumed>) = 0 [pid 5960] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5965] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5962] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5961] <... clone3 resumed> => {parent_tid=[5965]}, 88) = 5965 [pid 5960] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 5955] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5966 attached [pid 5965] <... rseq resumed>) = 0 [pid 5962] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5961] rt_sigprocmask(SIG_SETMASK, [], [pid 5956] <... unshare resumed>) = 0 [pid 5955] <... futex resumed>) = 0 [pid 5966] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5962] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 5961] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5955] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5967 attached [pid 5966] <... rseq resumed>) = 0 [pid 5961] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] <... clone3 resumed> => {parent_tid=[5966]}, 88) = 5966 [pid 5956] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] exit_group(0 [pid 5967] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5966] set_robust_list(0x7f51c74739a0, 24 [pid 5965] set_robust_list(0x7f51c74739a0, 24 [pid 5962] <... clone3 resumed> => {parent_tid=[5967]}, 88) = 5967 [pid 5961] <... futex resumed>) = 0 [pid 5960] rt_sigprocmask(SIG_SETMASK, [], [pid 5956] <... futex resumed>) = 0 [pid 5955] <... futex resumed>) = ? [pid 5953] <... exit_group resumed>) = ? [pid 5967] <... rseq resumed>) = 0 [pid 5966] <... set_robust_list resumed>) = 0 [pid 5965] <... set_robust_list resumed>) = 0 [pid 5962] rt_sigprocmask(SIG_SETMASK, [], [pid 5961] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5960] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5956] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5955] +++ exited with 0 +++ [pid 5967] set_robust_list(0x7f51c74739a0, 24 [pid 5966] rt_sigprocmask(SIG_SETMASK, [], [pid 5965] rt_sigprocmask(SIG_SETMASK, [], [pid 5960] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] exit_group(0 [pid 5967] <... set_robust_list resumed>) = 0 [pid 5966] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5962] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5960] <... futex resumed>) = 0 [pid 5956] <... futex resumed>) = ? [pid 5954] <... exit_group resumed>) = ? [pid 5953] +++ exited with 0 +++ [pid 5965] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5967] rt_sigprocmask(SIG_SETMASK, [], [pid 5966] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5965] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5962] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5956] +++ exited with 0 +++ [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5953, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5967] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5954] +++ exited with 0 +++ [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 5967] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5962] <... futex resumed>) = 0 [pid 5820] <... restart_syscall resumed>) = 0 [pid 5962] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5954, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5825] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557b964690) = 5968 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557b964690) = 5969 ./strace-static-x86_64: Process 5968 attached ./strace-static-x86_64: Process 5969 attached [pid 5968] set_robust_list(0x55557b9646a0, 24) = 0 [pid 5968] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5969] set_robust_list(0x55557b9646a0, 24 [pid 5968] <... prctl resumed>) = 0 [pid 5969] <... set_robust_list resumed>) = 0 [pid 5968] setpgid(0, 0 [pid 5969] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5968] <... setpgid resumed>) = 0 [pid 5969] <... prctl resumed>) = 0 [pid 5968] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5969] setpgid(0, 0 [pid 5968] <... openat resumed>) = 3 [pid 5969] <... setpgid resumed>) = 0 [pid 5968] write(3, "1000", 4 [pid 5969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5968] <... write resumed>) = 4 [pid 5961] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5968] close(3executing program ) = 0 [pid 5969] <... openat resumed>) = 3 [pid 5968] write(1, "executing program\n", 18 [pid 5969] write(3, "1000", 4 [pid 5968] <... write resumed>) = 18 [pid 5969] <... write resumed>) = 4 [pid 5968] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5969] close(3 [pid 5968] <... futex resumed>) = 0 [pid 5969] <... close resumed>) = 0 [pid 5960] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) executing program [pid 5969] write(1, "executing program\n", 18 [pid 5968] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5969] <... write resumed>) = 18 [pid 5968] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5969] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5969] <... futex resumed>) = 0 [pid 5968] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5969] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5968] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5969] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5968] <... mmap resumed>) = 0x7f51c7453000 [pid 5969] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5968] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5969] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5968] <... mprotect resumed>) = 0 [pid 5969] <... mmap resumed>) = 0x7f51c7453000 [pid 5968] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5962] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5968] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5969] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5968] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 5969] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5971 attached [pid 5969] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5968] <... clone3 resumed> => {parent_tid=[5971]}, 88) = 5971 [pid 5971] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5969] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5968] rt_sigprocmask(SIG_SETMASK, [], [pid 5971] <... rseq resumed>) = 0 [pid 5969] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 5968] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5972 attached [pid 5971] set_robust_list(0x7f51c74739a0, 24 [pid 5968] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5972] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5971] <... set_robust_list resumed>) = 0 [pid 5969] <... clone3 resumed> => {parent_tid=[5972]}, 88) = 5972 [pid 5968] <... futex resumed>) = 0 [pid 5972] <... rseq resumed>) = 0 [pid 5971] rt_sigprocmask(SIG_SETMASK, [], [pid 5969] rt_sigprocmask(SIG_SETMASK, [], [pid 5968] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5972] set_robust_list(0x7f51c74739a0, 24 [pid 5971] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5969] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5972] <... set_robust_list resumed>) = 0 [pid 5971] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5969] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5972] rt_sigprocmask(SIG_SETMASK, [], [pid 5969] <... futex resumed>) = 0 [pid 5972] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5969] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5972] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5967] <... unshare resumed>) = 0 [pid 5967] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5967] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5962] exit_group(0 [pid 5967] <... futex resumed>) = ? [pid 5962] <... exit_group resumed>) = ? [pid 5967] +++ exited with 0 +++ [pid 5962] +++ exited with 0 +++ [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5962, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5974 attached , child_tidptr=0x55557b964690) = 5974 [pid 5974] set_robust_list(0x55557b9646a0, 24) = 0 [pid 5974] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5974] setpgid(0, 0) = 0 [pid 5974] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5969] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5968] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5974] write(3, "1000", 4) = 4 [pid 5974] close(3) = 0 executing program [pid 5974] write(1, "executing program\n", 18) = 18 [pid 5974] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5974] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 5974] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5974] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 5974] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5974] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5974] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 5975 attached [pid 5975] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5974] <... clone3 resumed> => {parent_tid=[5975]}, 88) = 5975 [pid 5975] <... rseq resumed>) = 0 [pid 5975] set_robust_list(0x7f51c74739a0, 24 [pid 5974] rt_sigprocmask(SIG_SETMASK, [], [pid 5975] <... set_robust_list resumed>) = 0 [pid 5974] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5975] rt_sigprocmask(SIG_SETMASK, [], [pid 5974] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5975] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5974] <... futex resumed>) = 0 [pid 5975] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5974] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5965] <... unshare resumed>) = 0 [pid 5965] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5965] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5961] exit_group(0 [pid 5965] <... futex resumed>) = ? [pid 5961] <... exit_group resumed>) = ? [pid 5965] +++ exited with 0 +++ [pid 5961] +++ exited with 0 +++ [pid 5974] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5961, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5817] restart_syscall(<... resuming interrupted clone ...> [pid 5972] <... unshare resumed>) = 0 [pid 5817] <... restart_syscall resumed>) = 0 [pid 5972] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5969] exit_group(0 [pid 5972] <... futex resumed>) = ? [pid 5969] <... exit_group resumed>) = ? [pid 5972] +++ exited with 0 +++ [pid 5969] +++ exited with 0 +++ [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5969, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5820] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5978 attached ) = 0 [pid 5978] set_robust_list(0x55557b9646a0, 24 [pid 5817] <... clone resumed>, child_tidptr=0x55557b964690) = 5978 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5979 attached [pid 5978] <... set_robust_list resumed>) = 0 [pid 5979] set_robust_list(0x55557b9646a0, 24 [pid 5978] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5820] <... clone resumed>, child_tidptr=0x55557b964690) = 5979 [pid 5979] <... set_robust_list resumed>) = 0 [pid 5978] <... prctl resumed>) = 0 [pid 5978] setpgid(0, 0 [pid 5979] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5978] <... setpgid resumed>) = 0 [pid 5979] <... prctl resumed>) = 0 [pid 5978] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5979] setpgid(0, 0 [pid 5978] <... openat resumed>) = 3 [pid 5979] <... setpgid resumed>) = 0 [pid 5978] write(3, "1000", 4 [pid 5979] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5978] <... write resumed>) = 4 [pid 5978] close(3) = 0 executing program [pid 5978] write(1, "executing program\n", 18 [pid 5979] <... openat resumed>) = 3 [pid 5978] <... write resumed>) = 18 [pid 5978] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5979] write(3, "1000", 4) = 4 [pid 5978] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5979] close(3 [pid 5978] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5979] <... close resumed>) = 0 [pid 5978] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], executing program [pid 5979] write(1, "executing program\n", 18 [pid 5978] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5979] <... write resumed>) = 18 [pid 5978] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5979] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5978] <... mmap resumed>) = 0x7f51c7453000 [pid 5979] <... futex resumed>) = 0 [pid 5978] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5979] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5978] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5979] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5978] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5979] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5978] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 5980 attached [pid 5979] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5980] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5979] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5978] <... clone3 resumed> => {parent_tid=[5980]}, 88) = 5980 [pid 5980] <... rseq resumed>) = 0 [pid 5979] <... mmap resumed>) = 0x7f51c7453000 [pid 5978] rt_sigprocmask(SIG_SETMASK, [], [pid 5980] set_robust_list(0x7f51c74739a0, 24 [pid 5979] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5978] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5980] <... set_robust_list resumed>) = 0 [pid 5979] <... mprotect resumed>) = 0 [pid 5979] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5980] rt_sigprocmask(SIG_SETMASK, [], [pid 5978] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5980] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5979] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 5978] <... futex resumed>) = 0 [pid 5980] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5978] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5979] <... clone3 resumed> => {parent_tid=[5981]}, 88) = 5981 ./strace-static-x86_64: Process 5981 attached [pid 5979] rt_sigprocmask(SIG_SETMASK, [], [pid 5981] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053) = 0 [pid 5981] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 5979] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5981] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5981] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5979] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5981] <... futex resumed>) = 0 [pid 5979] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5981] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5978] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5979] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5966] <... unshare resumed>) = 0 [pid 5966] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5966] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5960] exit_group(0 [pid 5966] <... futex resumed>) = ? [pid 5960] <... exit_group resumed>) = ? [pid 5966] +++ exited with 0 +++ [pid 5960] +++ exited with 0 +++ [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5960, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5818] restart_syscall(<... resuming interrupted clone ...> [pid 5971] <... unshare resumed>) = 0 [pid 5818] <... restart_syscall resumed>) = 0 [pid 5971] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5971] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5968] exit_group(0 [pid 5971] <... futex resumed>) = ? [pid 5968] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5984 attached [pid 5971] +++ exited with 0 +++ [pid 5968] +++ exited with 0 +++ [pid 5984] set_robust_list(0x55557b9646a0, 24 [pid 5818] <... clone resumed>, child_tidptr=0x55557b964690) = 5984 [pid 5984] <... set_robust_list resumed>) = 0 [pid 5984] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5984] setpgid(0, 0) = 0 [pid 5984] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5968, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5984] <... openat resumed>) = 3 [pid 5825] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5984] write(3, "1000", 4) = 4 [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5984] close(3) = 0 [pid 5984] write(1, "executing program\n", 18executing program ) = 18 [pid 5984] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5984] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 5984] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 5985 attached NULL, 8) = 0 [pid 5984] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5985] set_robust_list(0x55557b9646a0, 24 [pid 5825] <... clone resumed>, child_tidptr=0x55557b964690) = 5985 [pid 5984] <... mmap resumed>) = 0x7f51c7453000 [pid 5985] <... set_robust_list resumed>) = 0 [pid 5985] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5984] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5985] <... prctl resumed>) = 0 [pid 5984] <... mprotect resumed>) = 0 [pid 5984] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5985] setpgid(0, 0 [pid 5984] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5984] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} => {parent_tid=[5986]}, 88) = 5986 [pid 5984] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5984] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5984] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5986 attached [pid 5985] <... setpgid resumed>) = 0 [pid 5985] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5986] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053) = 0 [pid 5986] set_robust_list(0x7f51c74739a0, 24 [pid 5985] <... openat resumed>) = 3 [pid 5986] <... set_robust_list resumed>) = 0 [pid 5986] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5985] write(3, "1000", 4 [pid 5986] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5985] <... write resumed>) = 4 [pid 5985] close(3) = 0 executing program [pid 5985] write(1, "executing program\n", 18) = 18 [pid 5985] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5985] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 5985] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5985] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 5985] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5985] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5985] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 5987 attached [pid 5987] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5985] <... clone3 resumed> => {parent_tid=[5987]}, 88) = 5987 [pid 5987] <... rseq resumed>) = 0 [pid 5985] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5985] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] set_robust_list(0x7f51c74739a0, 24 [pid 5985] <... futex resumed>) = 0 [pid 5987] <... set_robust_list resumed>) = 0 [pid 5987] rt_sigprocmask(SIG_SETMASK, [], [pid 5985] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5987] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5987] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5975] <... unshare resumed>) = 0 [pid 5975] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5975] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5974] exit_group(0 [pid 5975] <... futex resumed>) = ? [pid 5974] <... exit_group resumed>) = ? [pid 5975] +++ exited with 0 +++ [pid 5974] +++ exited with 0 +++ [pid 5984] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5984] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5974, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557b964690) = 5989 ./strace-static-x86_64: Process 5989 attached [pid 5989] set_robust_list(0x55557b9646a0, 24) = 0 [pid 5989] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5989] setpgid(0, 0) = 0 [pid 5989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5989] write(3, "1000", 4) = 4 executing program [pid 5989] close(3) = 0 [pid 5989] write(1, "executing program\n", 18) = 18 [pid 5989] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5989] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 5985] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5989] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5989] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 5989] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5989] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5989] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} => {parent_tid=[5990]}, 88) = 5990 [pid 5989] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5989] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5989] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5990 attached [pid 5990] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053) = 0 [pid 5990] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 5990] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5990] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5981] <... unshare resumed>) = 0 [pid 5981] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5981] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5979] exit_group(0 [pid 5981] <... futex resumed>) = ? [pid 5979] <... exit_group resumed>) = ? [pid 5981] +++ exited with 0 +++ [pid 5979] +++ exited with 0 +++ [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5979, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 5989] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5820] <... restart_syscall resumed>) = 0 [pid 5980] <... unshare resumed>) = 0 [pid 5980] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5978] exit_group(0 [pid 5980] <... futex resumed>) = ? [pid 5978] <... exit_group resumed>) = ? [pid 5980] +++ exited with 0 +++ [pid 5978] +++ exited with 0 +++ [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557b964690) = 5994 [pid 5986] <... unshare resumed>) = 0 [pid 5986] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5986] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5994 attached [pid 5994] set_robust_list(0x55557b9646a0, 24) = 0 [pid 5984] exit_group(0 [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5978, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5994] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5984] <... exit_group resumed>) = ? [pid 5994] <... prctl resumed>) = 0 [pid 5986] <... futex resumed>) = ? [pid 5986] +++ exited with 0 +++ [pid 5984] +++ exited with 0 +++ [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5995 attached [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5984, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5817] <... clone resumed>, child_tidptr=0x55557b964690) = 5995 ./strace-static-x86_64: Process 5996 attached [pid 5996] set_robust_list(0x55557b9646a0, 24 [pid 5995] set_robust_list(0x55557b9646a0, 24 [pid 5818] <... clone resumed>, child_tidptr=0x55557b964690) = 5996 [pid 5995] <... set_robust_list resumed>) = 0 [pid 5995] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5994] setpgid(0, 0) = 0 [pid 5994] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5996] <... set_robust_list resumed>) = 0 [pid 5994] <... openat resumed>) = 3 [pid 5994] write(3, "1000", 4 [pid 5996] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5994] <... write resumed>) = 4 [pid 5996] <... prctl resumed>) = 0 [pid 5995] <... prctl resumed>) = 0 [pid 5994] close(3 [pid 5996] setpgid(0, 0 [pid 5995] setpgid(0, 0 [pid 5994] <... close resumed>) = 0 [pid 5990] <... unshare resumed>) = 0 [pid 5996] <... setpgid resumed>) = 0 [pid 5996] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5995] <... setpgid resumed>) = 0 [pid 5996] <... openat resumed>) = 3 [pid 5995] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5996] write(3, "1000", 4 [pid 5994] write(1, "executing program\n", 18 [pid 5990] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 5996] <... write resumed>) = 4 [pid 5989] exit_group(0 [pid 5987] <... unshare resumed>) = 0 [pid 5996] close(3 [pid 5994] <... write resumed>) = 18 [pid 5990] <... futex resumed>) = ? [pid 5989] <... exit_group resumed>) = ? [pid 5987] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5996] <... close resumed>) = 0 executing program [pid 5985] exit_group(0 [pid 5996] write(1, "executing program\n", 18 [pid 5985] <... exit_group resumed>) = ? [pid 5996] <... write resumed>) = 18 [pid 5996] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5996] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 5995] <... openat resumed>) = 3 [pid 5994] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5990] +++ exited with 0 +++ [pid 5989] +++ exited with 0 +++ [pid 5987] <... futex resumed>) = ? [pid 5996] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5995] write(3, "1000", 4 [pid 5994] <... futex resumed>) = 0 [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5989, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5996] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5995] <... write resumed>) = 4 [pid 5994] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5987] +++ exited with 0 +++ [pid 5985] +++ exited with 0 +++ [pid 5996] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5995] close(3 [pid 5994] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5985, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5994] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5995] <... close resumed>) = 0 [pid 5994] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5995] write(1, "executing program\n", 18executing program [pid 5822] <... clone resumed>, child_tidptr=0x55557b964690) = 5999 [pid 5995] <... write resumed>) = 18 [pid 5994] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5999 attached [pid 5996] <... mmap resumed>) = 0x7f51c7453000 [pid 5995] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] <... mmap resumed>) = 0x7f51c7453000 [pid 5999] set_robust_list(0x55557b9646a0, 24 [pid 5994] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5995] <... futex resumed>) = 0 [pid 5994] <... mprotect resumed>) = 0 [pid 5995] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5994] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5995] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5999] <... set_robust_list resumed>) = 0 [pid 5999] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5995] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5999] <... prctl resumed>) = 0 [pid 5995] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5994] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5994] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5995] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5999] setpgid(0, 0./strace-static-x86_64: Process 6000 attached ./strace-static-x86_64: Process 6001 attached ) = 0 [pid 5996] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5995] <... mmap resumed>) = 0x7f51c7453000 [pid 5994] <... clone3 resumed> => {parent_tid=[6000]}, 88) = 6000 [pid 5996] <... mprotect resumed>) = 0 [pid 5994] rt_sigprocmask(SIG_SETMASK, [], [pid 6000] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5995] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5994] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5994] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6001] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6001] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6001] setpgid(0, 0 [pid 5994] <... futex resumed>) = 0 [pid 6001] <... setpgid resumed>) = 0 [pid 5999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6001] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6000] <... rseq resumed>) = 0 [pid 5996] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5995] <... mprotect resumed>) = 0 [pid 6001] <... openat resumed>) = 3 [pid 6001] write(3, "1000", 4 [pid 6000] set_robust_list(0x7f51c74739a0, 24 [pid 5999] <... openat resumed>) = 3 [pid 5996] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5995] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5994] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5825] <... clone resumed>, child_tidptr=0x55557b964690) = 6001 [pid 6001] <... write resumed>) = 4 [pid 6000] <... set_robust_list resumed>) = 0 [pid 6001] close(3 [pid 5999] write(3, "1000", 4 [pid 6000] rt_sigprocmask(SIG_SETMASK, [], [pid 5996] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 5995] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6001] <... close resumed>) = 0 [pid 6000] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5999] <... write resumed>) = 4 ./strace-static-x86_64: Process 6002 attached [pid 6001] write(1, "executing program\n", 18executing program executing program [pid 6000] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5999] close(3 [pid 5996] <... clone3 resumed> => {parent_tid=[6002]}, 88) = 6002 [pid 5995] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6002] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6001] <... write resumed>) = 18 [pid 5999] <... close resumed>) = 0 [pid 6002] <... rseq resumed>) = 0 [pid 6001] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6003 attached [pid 6002] set_robust_list(0x7f51c74739a0, 24 [pid 6001] <... futex resumed>) = 0 [pid 5999] write(1, "executing program\n", 18 [pid 6003] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6002] <... set_robust_list resumed>) = 0 [pid 6001] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6003] <... rseq resumed>) = 0 [pid 6002] rt_sigprocmask(SIG_SETMASK, [], [pid 6001] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5999] <... write resumed>) = 18 [pid 5995] <... clone3 resumed> => {parent_tid=[6003]}, 88) = 6003 [pid 6003] set_robust_list(0x7f51c74739a0, 24 [pid 6002] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6001] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5999] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] rt_sigprocmask(SIG_SETMASK, [], [pid 6003] <... set_robust_list resumed>) = 0 [pid 6002] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6001] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5995] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6003] rt_sigprocmask(SIG_SETMASK, [], [pid 6001] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5999] <... futex resumed>) = 0 [pid 5996] rt_sigprocmask(SIG_SETMASK, [], [pid 6003] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6001] <... mmap resumed>) = 0x7f51c7453000 [pid 5995] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6003] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6001] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5996] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5995] <... futex resumed>) = 0 [pid 6001] <... mprotect resumed>) = 0 [pid 5999] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5996] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5999] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5996] <... futex resumed>) = 1 [pid 5999] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5999] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5996] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6001] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5999] <... mmap resumed>) = 0x7f51c7453000 [pid 6002] <... futex resumed>) = 0 [pid 6001] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6002] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6001] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6004 attached [pid 5999] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5999] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6001] <... clone3 resumed> => {parent_tid=[6004]}, 88) = 6004 [pid 6001] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6001] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6004] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6001] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5999] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6004] <... rseq resumed>) = 0 [pid 5999] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6005 attached [pid 6004] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 5999] <... clone3 resumed> => {parent_tid=[6005]}, 88) = 6005 [pid 6004] rt_sigprocmask(SIG_SETMASK, [], [pid 5999] rt_sigprocmask(SIG_SETMASK, [], [pid 6005] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6004] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5999] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6005] <... rseq resumed>) = 0 [pid 6004] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5999] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] set_robust_list(0x7f51c74739a0, 24 [pid 5999] <... futex resumed>) = 0 [pid 5999] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6005] <... set_robust_list resumed>) = 0 [pid 5994] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6005] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6005] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5995] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5996] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6001] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5999] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6003] <... unshare resumed>) = 0 [pid 6003] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6003] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5995] exit_group(0) = ? [pid 6003] <... futex resumed>) = ? [pid 6003] +++ exited with 0 +++ [pid 5995] +++ exited with 0 +++ [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5995, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5817] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6007 attached [pid 6007] set_robust_list(0x55557b9646a0, 24 [pid 5817] <... clone resumed>, child_tidptr=0x55557b964690) = 6007 [pid 6007] <... set_robust_list resumed>) = 0 [pid 6000] <... unshare resumed>) = 0 [pid 6007] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6000] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6007] <... prctl resumed>) = 0 [pid 6000] <... futex resumed>) = 0 [pid 5994] exit_group(0 [pid 6000] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 6007] setpgid(0, 0 [pid 5994] <... exit_group resumed>) = ? [pid 6000] +++ exited with 0 +++ [pid 6007] <... setpgid resumed>) = 0 [pid 6007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5994] +++ exited with 0 +++ [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5994, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 6007] <... openat resumed>) = 3 [pid 5820] <... restart_syscall resumed>) = 0 [pid 6007] write(3, "1000", 4) = 4 [pid 6007] close(3 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program ./strace-static-x86_64: Process 6009 attached [pid 6007] <... close resumed>) = 0 [pid 6007] write(1, "executing program\n", 18) = 18 [pid 6007] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5820] <... clone resumed>, child_tidptr=0x55557b964690) = 6009 [pid 6007] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6009] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6009] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6007] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6009] <... prctl resumed>) = 0 [pid 6007] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6009] setpgid(0, 0 [pid 6007] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6007] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6009] <... setpgid resumed>) = 0 [pid 6007] <... mmap resumed>) = 0x7f51c7453000 [pid 6009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6007] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6009] <... openat resumed>) = 3 [pid 6007] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6009] write(3, "1000", 4) = 4 [pid 6007] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6009] close(3 [pid 6007] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6009] <... close resumed>) = 0 ./strace-static-x86_64: Process 6010 attached [pid 6009] write(1, "executing program\n", 18 [pid 6007] <... clone3 resumed> => {parent_tid=[6010]}, 88) = 6010 [pid 6007] rt_sigprocmask(SIG_SETMASK, [], executing program [pid 6010] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6009] <... write resumed>) = 18 [pid 6007] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6010] <... rseq resumed>) = 0 [pid 6007] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] set_robust_list(0x7f51c74739a0, 24 [pid 6009] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6007] <... futex resumed>) = 0 [pid 6010] <... set_robust_list resumed>) = 0 [pid 6009] <... futex resumed>) = 0 [pid 6007] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6010] rt_sigprocmask(SIG_SETMASK, [], [pid 6009] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6010] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6009] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6010] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6009] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6009] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6009] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6009] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6009] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6011 attached => {parent_tid=[6011]}, 88) = 6011 [pid 6009] rt_sigprocmask(SIG_SETMASK, [], [pid 6011] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053) = 0 [pid 6009] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6011] set_robust_list(0x7f51c74739a0, 24 [pid 6009] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6011] <... set_robust_list resumed>) = 0 [pid 6009] <... futex resumed>) = 0 [pid 6011] rt_sigprocmask(SIG_SETMASK, [], [pid 6009] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6011] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6011] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6007] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6009] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6005] <... unshare resumed>) = 0 [pid 6005] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6005] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5999] exit_group(0 [pid 6005] <... futex resumed>) = ? [pid 5999] <... exit_group resumed>) = ? [pid 6005] +++ exited with 0 +++ [pid 5999] +++ exited with 0 +++ [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5999, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5822] restart_syscall(<... resuming interrupted clone ...> [pid 6002] <... unshare resumed>) = 0 [pid 6002] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5996] exit_group(0 [pid 5822] <... restart_syscall resumed>) = 0 [pid 6002] <... futex resumed>) = ? [pid 5996] <... exit_group resumed>) = ? [pid 6002] +++ exited with 0 +++ [pid 5996] +++ exited with 0 +++ [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5996, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5822] <... clone resumed>, child_tidptr=0x55557b964690) = 6015 ./strace-static-x86_64: Process 6015 attached [pid 6015] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6015] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6015] setpgid(0, 0) = 0 [pid 6015] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6004] <... unshare resumed>) = 0 [pid 6015] <... openat resumed>) = 3 [pid 6015] write(3, "1000", 4 [pid 6004] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] <... write resumed>) = 4 [pid 6004] <... futex resumed>) = 0 [pid 6015] close(3 [pid 6004] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6015] <... close resumed>) = 0 [pid 6001] exit_group(0 [pid 6015] write(1, "executing program\n", 18 [pid 6001] <... exit_group resumed>) = ? executing program [pid 6015] <... write resumed>) = 18 [pid 6004] <... futex resumed>) = ? [pid 6015] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6016 attached , child_tidptr=0x55557b964690) = 6016 [pid 6004] +++ exited with 0 +++ [pid 6001] +++ exited with 0 +++ [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6001, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5825] restart_syscall(<... resuming interrupted clone ...> [pid 6016] set_robust_list(0x55557b9646a0, 24 [pid 6015] <... futex resumed>) = 0 [pid 6016] <... set_robust_list resumed>) = 0 [pid 6016] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6015] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5825] <... restart_syscall resumed>) = 0 [pid 6016] setpgid(0, 0 [pid 6015] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6015] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6016] <... setpgid resumed>) = 0 [pid 6016] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6015] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6015] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0executing program [pid 6016] write(3, "1000", 4) = 4 [pid 6016] close(3) = 0 [pid 6016] write(1, "executing program\n", 18) = 18 [pid 6016] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] <... mmap resumed>) = 0x7f51c7453000 [pid 6016] <... futex resumed>) = 0 [pid 6016] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6015] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6016] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6016] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6015] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6017 attached [pid 6016] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6015] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6016] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6015] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6017] set_robust_list(0x55557b9646a0, 24 [pid 6016] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6015] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6017] <... set_robust_list resumed>) = 0 [pid 6016] <... mprotect resumed>) = 0 [pid 5825] <... clone resumed>, child_tidptr=0x55557b964690) = 6017 ./strace-static-x86_64: Process 6018 attached [pid 6017] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6016] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6018] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6017] <... prctl resumed>) = 0 [pid 6016] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6015] <... clone3 resumed> => {parent_tid=[6018]}, 88) = 6018 [pid 6017] setpgid(0, 0 [pid 6016] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6019 attached [pid 6017] <... setpgid resumed>) = 0 [pid 6019] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6016] <... clone3 resumed> => {parent_tid=[6019]}, 88) = 6019 [pid 6018] <... rseq resumed>) = 0 [pid 6016] rt_sigprocmask(SIG_SETMASK, [], [pid 6015] rt_sigprocmask(SIG_SETMASK, [], [pid 6018] set_robust_list(0x7f51c74739a0, 24 [pid 6015] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6019] <... rseq resumed>) = 0 [pid 6018] <... set_robust_list resumed>) = 0 [pid 6017] <... openat resumed>) = 3 [pid 6015] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6019] set_robust_list(0x7f51c74739a0, 24 [pid 6016] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6019] <... set_robust_list resumed>) = 0 [pid 6017] write(3, "1000", 4 [pid 6016] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6019] rt_sigprocmask(SIG_SETMASK, [], [pid 6017] <... write resumed>) = 4 [pid 6016] <... futex resumed>) = 0 [pid 6019] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6017] close(3 [pid 6016] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6019] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6017] <... close resumed>) = 0 [pid 6018] rt_sigprocmask(SIG_SETMASK, [], [pid 6017] write(1, "executing program\n", 18 [pid 6015] <... futex resumed>) = 0 executing program [pid 6018] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6015] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6018] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6017] <... write resumed>) = 18 [pid 6017] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6017] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6017] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6017] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6017] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6017] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6017] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} => {parent_tid=[6020]}, 88) = 6020 [pid 6017] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6017] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6017] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6020 attached [pid 6020] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053) = 0 [pid 6020] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 6020] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6020] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6016] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6015] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6017] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6011] <... unshare resumed>) = 0 [pid 6011] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] exit_group(0 [pid 6011] <... futex resumed>) = ? [pid 6009] <... exit_group resumed>) = ? [pid 6011] +++ exited with 0 +++ [pid 6009] +++ exited with 0 +++ [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6009, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5820] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6022 attached [pid 6022] set_robust_list(0x55557b9646a0, 24 [pid 5820] <... clone resumed>, child_tidptr=0x55557b964690) = 6022 [pid 6022] <... set_robust_list resumed>) = 0 [pid 6022] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6022] setpgid(0, 0) = 0 [pid 6022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 6022] write(3, "1000", 4) = 4 [pid 6022] close(3) = 0 [pid 6022] write(1, "executing program\n", 18) = 18 [pid 6022] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6022] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6022] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6022] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6022] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6022] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6010] <... unshare resumed>) = 0 [pid 6022] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6010] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6022] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6010] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6024 attached [pid 6010] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6022] <... clone3 resumed> => {parent_tid=[6024]}, 88) = 6024 [pid 6007] exit_group(0 [pid 6022] rt_sigprocmask(SIG_SETMASK, [], [pid 6010] <... futex resumed>) = ? [pid 6007] <... exit_group resumed>) = ? [pid 6024] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6022] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6010] +++ exited with 0 +++ [pid 6007] +++ exited with 0 +++ [pid 6022] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6007, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6022] <... futex resumed>) = 0 [pid 6024] <... rseq resumed>) = 0 [pid 6022] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6024] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 6024] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6024] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET./strace-static-x86_64: Process 6025 attached [pid 6025] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6025] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6025] setpgid(0, 0) = 0 executing program [pid 6025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6025] write(3, "1000", 4) = 4 [pid 6025] close(3) = 0 [pid 6025] write(1, "executing program\n", 18) = 18 [pid 6025] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6025] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6025] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6025] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6025] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6019] <... unshare resumed>) = 0 [pid 5817] <... clone resumed>, child_tidptr=0x55557b964690) = 6025 [pid 6025] <... mprotect resumed>) = 0 [pid 6025] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6019] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6025] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6019] <... futex resumed>) = 0 [pid 6025] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6019] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6027 attached [pid 6027] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6016] exit_group(0 [pid 6027] <... rseq resumed>) = 0 [pid 6027] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 6025] <... clone3 resumed> => {parent_tid=[6027]}, 88) = 6027 [pid 6027] rt_sigprocmask(SIG_SETMASK, [], [pid 6025] rt_sigprocmask(SIG_SETMASK, [], [pid 6027] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6027] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6025] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6022] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6019] <... futex resumed>) = ? [pid 6018] <... unshare resumed>) = 0 [pid 6016] <... exit_group resumed>) = ? [pid 6025] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6019] +++ exited with 0 +++ [pid 6025] <... futex resumed>) = 1 [pid 6025] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6027] <... futex resumed>) = 0 [pid 6027] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6016] +++ exited with 0 +++ [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6016, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5818] restart_syscall(<... resuming interrupted clone ...> [pid 6018] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6018] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6015] exit_group(0) = ? [pid 6018] <... futex resumed>) = ? [pid 5818] <... restart_syscall resumed>) = 0 [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6029 attached , child_tidptr=0x55557b964690) = 6029 [pid 6029] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6029] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6029] setpgid(0, 0 [pid 6018] +++ exited with 0 +++ [pid 6015] +++ exited with 0 +++ [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6015, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5822] restart_syscall(<... resuming interrupted clone ...> [pid 6029] <... setpgid resumed>) = 0 [pid 6029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6029] write(3, "1000", 4) = 4 [pid 6029] close(3) = 0 [pid 6029] write(1, "executing program\n", 18executing program ) = 18 [pid 6029] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6029] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6029] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6029] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6029] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5822] <... restart_syscall resumed>) = 0 [pid 6029] <... mprotect resumed>) = 0 [pid 6029] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6029] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6030 attached ./strace-static-x86_64: Process 6031 attached [pid 6031] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6030] set_robust_list(0x55557b9646a0, 24 [pid 6031] <... rseq resumed>) = 0 [pid 6031] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 6029] <... clone3 resumed> => {parent_tid=[6031]}, 88) = 6031 [pid 6031] rt_sigprocmask(SIG_SETMASK, [], [pid 6030] <... set_robust_list resumed>) = 0 [pid 6029] rt_sigprocmask(SIG_SETMASK, [], [pid 6031] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6029] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5822] <... clone resumed>, child_tidptr=0x55557b964690) = 6030 [pid 6031] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6030] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6029] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6031] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6029] <... futex resumed>) = 0 [pid 6031] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6029] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6030] <... prctl resumed>) = 0 [pid 6025] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6030] setpgid(0, 0) = 0 [pid 6030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6030] write(3, "1000", 4) = 4 [pid 6030] close(3 [pid 6020] <... unshare resumed>) = 0 [pid 6030] <... close resumed>) = 0 [pid 6020] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6030] write(1, "executing program\n", 18 [pid 6020] <... futex resumed>) = 0 [pid 6030] <... write resumed>) = 18 [pid 6020] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6030] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6017] exit_group(0 [pid 6030] <... futex resumed>) = 0 [pid 6030] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6020] <... futex resumed>) = ? [pid 6017] <... exit_group resumed>) = ? [pid 6030] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6030] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6020] +++ exited with 0 +++ [pid 6017] +++ exited with 0 +++ [pid 6030] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6017, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6030] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6030] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6033 attached [pid 6030] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5825] <... clone resumed>, child_tidptr=0x55557b964690) = 6033 [pid 6033] set_robust_list(0x55557b9646a0, 24 [pid 6024] <... unshare resumed>) = 0 [pid 6033] <... set_robust_list resumed>) = 0 [pid 6030] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6029] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6024] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6033] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6024] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6033] <... prctl resumed>) = 0 [pid 6033] setpgid(0, 0 [pid 6030] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6035 attached [pid 6033] <... setpgid resumed>) = 0 [pid 6022] exit_group(0 [pid 6035] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6030] <... clone3 resumed> => {parent_tid=[6035]}, 88) = 6035 [pid 6035] <... rseq resumed>) = 0 [pid 6035] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 6033] <... openat resumed>) = 3 [pid 6030] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6024] <... futex resumed>) = ? [pid 6022] <... exit_group resumed>) = ? [pid 6035] rt_sigprocmask(SIG_SETMASK, [], [pid 6033] write(3, "1000", 4 [pid 6030] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6024] +++ exited with 0 +++ [pid 6022] +++ exited with 0 +++ [pid 6035] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6033] <... write resumed>) = 4 [pid 6035] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6033] close(3 [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6022, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6033] <... close resumed>) = 0 [pid 6030] <... futex resumed>) = 0 [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 6033] write(1, "executing program\n", 18 [pid 6030] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 6033] <... write resumed>) = 18 [pid 6033] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6033] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6033] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6033] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6033] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5820] <... restart_syscall resumed>) = 0 [pid 6033] <... mprotect resumed>) = 0 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6033] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5820] <... clone resumed>, child_tidptr=0x55557b964690) = 6036 ./strace-static-x86_64: Process 6036 attached [pid 6033] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6036] set_robust_list(0x55557b9646a0, 24 [pid 6033] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6036] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6037 attached [pid 6036] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6033] <... clone3 resumed> => {parent_tid=[6037]}, 88) = 6037 [pid 6037] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053) = 0 [pid 6033] rt_sigprocmask(SIG_SETMASK, [], [pid 6036] <... prctl resumed>) = 0 [pid 6033] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6037] set_robust_list(0x7f51c74739a0, 24 [pid 6036] setpgid(0, 0 [pid 6033] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6037] <... set_robust_list resumed>) = 0 [pid 6036] <... setpgid resumed>) = 0 [pid 6033] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6037] rt_sigprocmask(SIG_SETMASK, [], [pid 6036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6037] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6037] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6036] <... openat resumed>) = 3 [pid 6036] write(3, "1000", 4) = 4 [pid 6036] close(3) = 0 [pid 6027] <... unshare resumed>) = 0 [pid 6036] write(1, "executing program\n", 18) = 18 [pid 6036] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000executing program ) = 0 [pid 6027] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6036] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6027] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6025] exit_group(0) = ? [pid 6036] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6027] <... futex resumed>) = ? [pid 6030] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6027] +++ exited with 0 +++ [pid 6036] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6025] +++ exited with 0 +++ [pid 6036] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6030] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 6036] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6030] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6025, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6036] <... mmap resumed>) = 0x7f51c7453000 [pid 5817] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6036] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6036] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6036] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} => {parent_tid=[6039]}, 88) = 6039 [pid 6036] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6036] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6036] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6039 attached [pid 6039] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053) = 0 [pid 6039] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 6039] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6039] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5817] <... clone resumed>, child_tidptr=0x55557b964690) = 6040 ./strace-static-x86_64: Process 6040 attached [pid 6040] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6040] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6040] setpgid(0, 0) = 0 [pid 6040] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6031] <... unshare resumed>) = 0 [pid 6031] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] write(3, "1000", 4) = 4 [pid 6040] close(3) = 0 [pid 6031] <... futex resumed>) = 0 [pid 6029] exit_group(0 [pid 6040] write(1, "executing program\n", 18 [pid 6029] <... exit_group resumed>) = ? executing program [pid 6040] <... write resumed>) = 18 [pid 6031] +++ exited with 0 +++ [pid 6029] +++ exited with 0 +++ [pid 6040] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6029, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6040] <... futex resumed>) = 0 [pid 6040] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6040] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6033] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6040] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6040] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6040] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6040] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6042 attached [pid 6040] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6043 attached [pid 6042] set_robust_list(0x55557b9646a0, 24 [pid 5818] <... clone resumed>, child_tidptr=0x55557b964690) = 6042 [pid 6042] <... set_robust_list resumed>) = 0 [pid 6040] <... clone3 resumed> => {parent_tid=[6043]}, 88) = 6043 [pid 6042] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6040] rt_sigprocmask(SIG_SETMASK, [], [pid 6042] <... prctl resumed>) = 0 [pid 6040] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6042] setpgid(0, 0 [pid 6040] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] <... setpgid resumed>) = 0 [pid 6040] <... futex resumed>) = 0 [pid 6042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6040] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6043] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6042] <... openat resumed>) = 3 [pid 6043] <... rseq resumed>) = 0 [pid 6042] write(3, "1000", 4 [pid 6043] set_robust_list(0x7f51c74739a0, 24 [pid 6035] <... unshare resumed>) = 0 [pid 6036] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6035] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6043] <... set_robust_list resumed>) = 0 [pid 6042] <... write resumed>) = 4 [pid 6036] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 6035] <... futex resumed>) = 0 [pid 6043] rt_sigprocmask(SIG_SETMASK, [], [pid 6042] close(3 [pid 6036] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6035] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6043] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6042] <... close resumed>) = 0 [pid 6043] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6030] exit_group(0) = ? executing program [pid 6042] write(1, "executing program\n", 18 [pid 6035] <... futex resumed>) = ? [pid 6042] <... write resumed>) = 18 [pid 6042] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6042] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6035] +++ exited with 0 +++ [pid 6030] +++ exited with 0 +++ [pid 6042] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6030, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6042] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6042] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6042] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5822] restart_syscall(<... resuming interrupted clone ...> [pid 6042] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6042] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} => {parent_tid=[6046]}, 88) = 6046 ./strace-static-x86_64: Process 6046 attached [pid 6042] rt_sigprocmask(SIG_SETMASK, [], [pid 6046] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6042] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6046] <... rseq resumed>) = 0 [pid 6042] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6046] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 6042] <... futex resumed>) = 0 [pid 6046] rt_sigprocmask(SIG_SETMASK, [], [pid 6042] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6046] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6046] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6037] <... unshare resumed>) = 0 [pid 5822] <... restart_syscall resumed>) = 0 [pid 6037] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6033] exit_group(0) = ? [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6047 attached [pid 6037] +++ exited with 0 +++ [pid 6033] +++ exited with 0 +++ [pid 6047] set_robust_list(0x55557b9646a0, 24 [pid 5822] <... clone resumed>, child_tidptr=0x55557b964690) = 6047 [pid 6047] <... set_robust_list resumed>) = 0 [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6033, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6047] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6040] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5825] restart_syscall(<... resuming interrupted clone ...> [pid 6047] <... prctl resumed>) = 0 [pid 5825] <... restart_syscall resumed>) = 0 [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6047] setpgid(0, 0) = 0 [pid 6047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6047] write(3, "1000", 4) = 4 [pid 6047] close(3executing program ) = 0 [pid 6047] write(1, "executing program\n", 18) = 18 [pid 6047] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6049 attached ) = 0 [pid 6039] <... unshare resumed>) = 0 [pid 6039] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6036] exit_group(0 [pid 6039] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 6036] <... exit_group resumed>) = ? [pid 6049] set_robust_list(0x55557b9646a0, 24 [pid 6039] +++ exited with 0 +++ [pid 6036] +++ exited with 0 +++ [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6036, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 6047] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6047] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6049] <... set_robust_list resumed>) = 0 [pid 6047] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5825] <... clone resumed>, child_tidptr=0x55557b964690) = 6049 [pid 6047] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6049] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6047] <... mmap resumed>) = 0x7f51c7453000 [pid 6047] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6047] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6047] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6050 attached [pid 5820] <... restart_syscall resumed>) = 0 [pid 6049] <... prctl resumed>) = 0 [pid 6050] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6047] <... clone3 resumed> => {parent_tid=[6050]}, 88) = 6050 [pid 6050] <... rseq resumed>) = 0 [pid 6049] setpgid(0, 0 [pid 6047] rt_sigprocmask(SIG_SETMASK, [], [pid 6050] set_robust_list(0x7f51c74739a0, 24 [pid 6049] <... setpgid resumed>) = 0 [pid 6047] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6050] <... set_robust_list resumed>) = 0 [pid 6047] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6050] rt_sigprocmask(SIG_SETMASK, [], [pid 6047] <... futex resumed>) = 0 [pid 6050] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6047] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6050] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET./strace-static-x86_64: Process 6051 attached [pid 6049] <... openat resumed>) = 3 [pid 6049] write(3, "1000", 4 [pid 5820] <... clone resumed>, child_tidptr=0x55557b964690) = 6051 [pid 6049] <... write resumed>) = 4 [pid 6051] set_robust_list(0x55557b9646a0, 24 [pid 6049] close(3executing program [pid 6051] <... set_robust_list resumed>) = 0 [pid 6049] <... close resumed>) = 0 [pid 6049] write(1, "executing program\n", 18 [pid 6051] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6049] <... write resumed>) = 18 [pid 6051] <... prctl resumed>) = 0 [pid 6051] setpgid(0, 0) = 0 [pid 6049] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6049] <... futex resumed>) = 0 [pid 6042] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6051] <... openat resumed>) = 3 [pid 6049] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6051] write(3, "1000", 4 [pid 6049] <... rt_sigaction resumed>NULL, 8) = 0 executing program [pid 6051] <... write resumed>) = 4 [pid 6049] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6051] close(3) = 0 [pid 6051] write(1, "executing program\n", 18) = 18 [pid 6049] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6049] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6051] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6049] <... mmap resumed>) = 0x7f51c7453000 [pid 6049] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6051] <... futex resumed>) = 0 [pid 6051] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6051] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6051] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6051] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6049] <... mprotect resumed>) = 0 [pid 6051] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6051] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} => {parent_tid=[6052]}, 88) = 6052 [pid 6051] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6051] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6051] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6052 attached [pid 6049] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6052] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053) = 0 [pid 6052] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 6052] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6052] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6049] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6049] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6053 attached [pid 6053] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6049] <... clone3 resumed> => {parent_tid=[6053]}, 88) = 6053 [pid 6053] <... rseq resumed>) = 0 [pid 6049] rt_sigprocmask(SIG_SETMASK, [], [pid 6053] set_robust_list(0x7f51c74739a0, 24 [pid 6049] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6053] <... set_robust_list resumed>) = 0 [pid 6049] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] rt_sigprocmask(SIG_SETMASK, [], [pid 6049] <... futex resumed>) = 0 [pid 6053] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6053] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6049] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6047] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6046] <... unshare resumed>) = 0 [pid 6046] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6046] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6051] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6042] exit_group(0 [pid 6046] <... futex resumed>) = ? [pid 6042] <... exit_group resumed>) = ? [pid 6046] +++ exited with 0 +++ [pid 6042] +++ exited with 0 +++ [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6042, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6049] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6043] <... unshare resumed>) = 0 [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6043] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 6056 attached [pid 6043] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5818] <... clone resumed>, child_tidptr=0x55557b964690) = 6056 [pid 6056] set_robust_list(0x55557b9646a0, 24 [pid 6050] <... unshare resumed>) = 0 [pid 6056] <... set_robust_list resumed>) = 0 [pid 6040] exit_group(0 [pid 6056] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6053] <... unshare resumed>) = 0 [pid 6050] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6047] exit_group(0 [pid 6040] <... exit_group resumed>) = ? [pid 6056] <... prctl resumed>) = 0 [pid 6053] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6056] setpgid(0, 0 [pid 6053] <... futex resumed>) = 0 [pid 6050] <... futex resumed>) = 0 [pid 6043] <... futex resumed>) = ? [pid 6056] <... setpgid resumed>) = 0 [pid 6053] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6049] exit_group(0 [pid 6043] +++ exited with 0 +++ [pid 6040] +++ exited with 0 +++ [pid 6056] <... openat resumed>) = 3 [pid 6047] <... exit_group resumed>) = ? [pid 6056] write(3, "1000", 4 [pid 6050] +++ exited with 0 +++ [pid 6047] +++ exited with 0 +++ [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6040, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6056] <... write resumed>) = 4 [pid 5817] restart_syscall(<... resuming interrupted clone ...> [pid 6056] close(3 [pid 6053] <... futex resumed>) = ? [pid 6049] <... exit_group resumed>) = ? [pid 6056] <... close resumed>) = 0 executing program [pid 6056] write(1, "executing program\n", 18 [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6047, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6056] <... write resumed>) = 18 [pid 6053] +++ exited with 0 +++ [pid 6049] +++ exited with 0 +++ [pid 5822] restart_syscall(<... resuming interrupted clone ...> [pid 6056] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] <... unshare resumed>) = 0 [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6049, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5822] <... restart_syscall resumed>) = 0 [pid 5817] <... restart_syscall resumed>) = 0 [pid 6056] <... futex resumed>) = 0 [pid 6052] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] restart_syscall(<... resuming interrupted clone ...> [pid 6056] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6052] <... futex resumed>) = 0 [pid 6052] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5825] <... restart_syscall resumed>) = 0 [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6060 attached [pid 6056] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6056] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6051] exit_group(0 [pid 5822] <... clone resumed>, child_tidptr=0x55557b964690) = 6060 [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6060] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6060] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6060] setpgid(0, 0./strace-static-x86_64: Process 6062 attached ./strace-static-x86_64: Process 6061 attached [pid 6056] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6052] <... futex resumed>) = ? [pid 6051] <... exit_group resumed>) = ? [pid 6062] set_robust_list(0x55557b9646a0, 24 [pid 6061] set_robust_list(0x55557b9646a0, 24 [pid 6060] <... setpgid resumed>) = 0 [pid 6056] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6062] <... set_robust_list resumed>) = 0 [pid 6061] <... set_robust_list resumed>) = 0 [pid 6060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6056] <... mmap resumed>) = 0x7f51c7453000 [pid 5825] <... clone resumed>, child_tidptr=0x55557b964690) = 6062 [pid 5817] <... clone resumed>, child_tidptr=0x55557b964690) = 6061 [pid 6062] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6061] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6056] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6052] +++ exited with 0 +++ [pid 6051] +++ exited with 0 +++ [pid 6062] <... prctl resumed>) = 0 [pid 6061] <... prctl resumed>) = 0 [pid 6060] <... openat resumed>) = 3 [pid 6056] <... mprotect resumed>) = 0 [pid 6062] setpgid(0, 0 [pid 6061] setpgid(0, 0 [pid 6056] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6051, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6062] <... setpgid resumed>) = 0 [pid 6061] <... setpgid resumed>) = 0 [pid 6060] write(3, "1000", 4 [pid 6056] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 6062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6060] <... write resumed>) = 4 [pid 6056] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6062] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6063 attached [pid 6062] write(3, "1000", 4 [pid 6063] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6062] <... write resumed>) = 4 [pid 6061] <... openat resumed>) = 3 [pid 6060] close(3 [pid 6063] <... rseq resumed>) = 0 [pid 6062] close(3 [pid 6063] set_robust_list(0x7f51c74739a0, 24 [pid 6062] <... close resumed>) = 0 [pid 6060] <... close resumed>) = 0 [pid 6063] <... set_robust_list resumed>) = 0 executing program [pid 6062] write(1, "executing program\n", 18 [pid 6061] write(3, "1000", 4executing program [pid 6060] write(1, "executing program\n", 18 [pid 6063] rt_sigprocmask(SIG_SETMASK, [], [pid 6062] <... write resumed>) = 18 [pid 6061] <... write resumed>) = 4 [pid 6063] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6062] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6061] close(3 [pid 6060] <... write resumed>) = 18 [pid 5820] <... restart_syscall resumed>) = 0 [pid 6063] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6062] <... futex resumed>) = 0 [pid 6061] <... close resumed>) = 0 [pid 6060] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6056] <... clone3 resumed> => {parent_tid=[6063]}, 88) = 6063 [pid 6062] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, executing program [pid 6061] write(1, "executing program\n", 18 [pid 6060] <... futex resumed>) = 0 [pid 6056] rt_sigprocmask(SIG_SETMASK, [], [pid 6062] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6061] <... write resumed>) = 18 [pid 6060] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6056] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6064 attached [pid 6062] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6061] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6064] set_robust_list(0x55557b9646a0, 24 [pid 6062] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6061] <... futex resumed>) = 0 [pid 6060] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6056] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5820] <... clone resumed>, child_tidptr=0x55557b964690) = 6064 [pid 6064] <... set_robust_list resumed>) = 0 [pid 6063] <... futex resumed>) = 0 [pid 6062] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6061] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6060] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6056] <... futex resumed>) = 1 [pid 6064] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6063] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6062] <... mmap resumed>) = 0x7f51c7453000 [pid 6061] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6060] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6056] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6064] <... prctl resumed>) = 0 [pid 6064] setpgid(0, 0 [pid 6062] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6061] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6062] <... mprotect resumed>) = 0 [pid 6061] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6062] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6061] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6064] <... setpgid resumed>) = 0 [pid 6061] <... mmap resumed>) = 0x7f51c7453000 [pid 6064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6062] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6061] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6064] <... openat resumed>) = 3 [pid 6062] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6061] <... mprotect resumed>) = 0 [pid 6060] <... mmap resumed>) = 0x7f51c7453000 ./strace-static-x86_64: Process 6065 attached [pid 6064] write(3, "1000", 4executing program [pid 6060] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6064] <... write resumed>) = 4 [pid 6061] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6064] close(3 [pid 6062] <... clone3 resumed> => {parent_tid=[6065]}, 88) = 6065 [pid 6061] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6060] <... mprotect resumed>) = 0 [pid 6064] <... close resumed>) = 0 [pid 6062] rt_sigprocmask(SIG_SETMASK, [], [pid 6061] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6060] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6064] write(1, "executing program\n", 18 [pid 6062] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6066 attached [pid 6064] <... write resumed>) = 18 [pid 6062] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6060] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6066] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6065] <... rseq resumed>) = 0 [pid 6064] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] <... futex resumed>) = 0 [pid 6061] <... clone3 resumed> => {parent_tid=[6066]}, 88) = 6066 [pid 6060] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6067 attached [pid 6066] <... rseq resumed>) = 0 [pid 6065] set_robust_list(0x7f51c74739a0, 24 [pid 6064] <... futex resumed>) = 0 [pid 6062] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6061] rt_sigprocmask(SIG_SETMASK, [], [pid 6066] set_robust_list(0x7f51c74739a0, 24 [pid 6065] <... set_robust_list resumed>) = 0 [pid 6064] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6067] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6066] <... set_robust_list resumed>) = 0 [pid 6065] rt_sigprocmask(SIG_SETMASK, [], [pid 6064] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6061] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6060] <... clone3 resumed> => {parent_tid=[6067]}, 88) = 6067 [pid 6067] <... rseq resumed>) = 0 [pid 6066] rt_sigprocmask(SIG_SETMASK, [], [pid 6065] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6064] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6061] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] rt_sigprocmask(SIG_SETMASK, [], [pid 6065] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6061] <... futex resumed>) = 0 [pid 6060] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6067] set_robust_list(0x7f51c74739a0, 24 [pid 6066] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6064] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6067] <... set_robust_list resumed>) = 0 [pid 6066] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6064] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6067] rt_sigprocmask(SIG_SETMASK, [], [pid 6061] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6060] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6067] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6067] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6064] <... mmap resumed>) = 0x7f51c7453000 [pid 6060] <... futex resumed>) = 0 [pid 6064] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6060] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6064] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6064] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6068 attached [pid 6068] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6064] <... clone3 resumed> => {parent_tid=[6068]}, 88) = 6068 [pid 6064] rt_sigprocmask(SIG_SETMASK, [], [pid 6068] <... rseq resumed>) = 0 [pid 6064] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6056] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6064] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6068] set_robust_list(0x7f51c74739a0, 24 [pid 6064] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6068] <... set_robust_list resumed>) = 0 [pid 6068] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6068] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6062] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6061] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6060] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6064] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6067] <... unshare resumed>) = 0 [pid 6067] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6067] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6060] exit_group(0 [pid 6067] <... futex resumed>) = ? [pid 6060] <... exit_group resumed>) = ? [pid 6067] +++ exited with 0 +++ [pid 6060] +++ exited with 0 +++ [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6060, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5822] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6070 attached , child_tidptr=0x55557b964690) = 6070 [pid 6070] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6063] <... unshare resumed>) = 0 [pid 6070] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6063] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6070] <... prctl resumed>) = 0 [pid 6063] <... futex resumed>) = 0 [pid 6070] setpgid(0, 0 [pid 6063] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6070] <... setpgid resumed>) = 0 [pid 6070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6056] exit_group(0 [pid 6063] <... futex resumed>) = ? [pid 6056] <... exit_group resumed>) = ? [pid 6063] +++ exited with 0 +++ [pid 6056] +++ exited with 0 +++ [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6056, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5818] restart_syscall(<... resuming interrupted clone ...> [pid 6070] write(3, "1000", 4) = 4 [pid 6070] close(3) = 0 [pid 6070] write(1, "executing program\n", 18executing program ) = 18 [pid 5818] <... restart_syscall resumed>) = 0 [pid 6068] <... unshare resumed>) = 0 [pid 6068] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6070] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6068] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6070] <... futex resumed>) = 0 [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6073 attached [pid 6070] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6064] exit_group(0) = ? [pid 6073] set_robust_list(0x55557b9646a0, 24 [pid 6068] <... futex resumed>) = ? [pid 6070] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6073] <... set_robust_list resumed>) = 0 [pid 6070] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6070] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6070] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6070] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5818] <... clone resumed>, child_tidptr=0x55557b964690) = 6073 [pid 6073] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6070] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6068] +++ exited with 0 +++ [pid 6064] +++ exited with 0 +++ ./strace-static-x86_64: Process 6074 attached [pid 6073] <... prctl resumed>) = 0 [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6064, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6073] setpgid(0, 0 [pid 6070] <... clone3 resumed> => {parent_tid=[6074]}, 88) = 6074 [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 6074] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6073] <... setpgid resumed>) = 0 [pid 6074] <... rseq resumed>) = 0 [pid 6070] rt_sigprocmask(SIG_SETMASK, [], [pid 5820] <... restart_syscall resumed>) = 0 [pid 6074] set_robust_list(0x7f51c74739a0, 24 [pid 6073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6070] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6074] <... set_robust_list resumed>) = 0 [pid 6070] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6074] rt_sigprocmask(SIG_SETMASK, [], [pid 6070] <... futex resumed>) = 0 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6074] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6074] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET./strace-static-x86_64: Process 6076 attached [pid 6073] <... openat resumed>) = 3 [pid 6070] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6073] write(3, "1000", 4 [pid 5820] <... clone resumed>, child_tidptr=0x55557b964690) = 6076 [pid 6076] set_robust_list(0x55557b9646a0, 24 [pid 6073] <... write resumed>) = 4 [pid 6076] <... set_robust_list resumed>) = 0 [pid 6073] close(3 [pid 6076] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6073] <... close resumed>) = 0 [pid 6073] write(1, "executing program\n", 18executing program [pid 6076] <... prctl resumed>) = 0 [pid 6073] <... write resumed>) = 18 [pid 6076] setpgid(0, 0 [pid 6073] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6076] <... setpgid resumed>) = 0 [pid 6073] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6065] <... unshare resumed>) = 0 [pid 6076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6073] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6065] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6065] <... futex resumed>) = 0 [pid 6076] <... openat resumed>) = 3 [pid 6073] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6065] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6073] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6076] write(3, "1000", 4 [pid 6073] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6076] <... write resumed>) = 4 [pid 6073] <... mprotect resumed>) = 0 [pid 6076] close(3 [pid 6073] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6076] <... close resumed>) = 0 [pid 6073] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6062] exit_group(0 [pid 6076] write(1, "executing program\n", 18 [pid 6073] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6065] <... futex resumed>) = ? [pid 6062] <... exit_group resumed>) = ? executing program ./strace-static-x86_64: Process 6078 attached [pid 6076] <... write resumed>) = 18 [pid 6065] +++ exited with 0 +++ [pid 6062] +++ exited with 0 +++ [pid 6076] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6076] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6062, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 6076] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6073] <... clone3 resumed> => {parent_tid=[6078]}, 88) = 6078 [pid 6078] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6076] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6066] <... unshare resumed>) = 0 [pid 5825] restart_syscall(<... resuming interrupted clone ...> [pid 6078] <... rseq resumed>) = 0 [pid 6076] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6073] rt_sigprocmask(SIG_SETMASK, [], [pid 6066] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6078] set_robust_list(0x7f51c74739a0, 24 [pid 6076] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6073] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6066] <... futex resumed>) = 0 [pid 6078] <... set_robust_list resumed>) = 0 [pid 6076] <... mmap resumed>) = 0x7f51c7453000 [pid 6073] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6066] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6078] rt_sigprocmask(SIG_SETMASK, [], [pid 6076] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6073] <... futex resumed>) = 0 [pid 5825] <... restart_syscall resumed>) = 0 [pid 6061] exit_group(0 [pid 6073] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6061] <... exit_group resumed>) = ? [pid 6066] <... futex resumed>) = ? [pid 6076] <... mprotect resumed>) = 0 [pid 6066] +++ exited with 0 +++ [pid 6078] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6078] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6061] +++ exited with 0 +++ [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6061, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5817] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6079 attached [pid 6070] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6079] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6079] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6079] setpgid(0, 0) = 0 [pid 6079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6076] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5825] <... clone resumed>, child_tidptr=0x55557b964690) = 6079 [pid 5817] <... restart_syscall resumed>) = 0 [pid 6076] <... rt_sigprocmask resumed>[], 8) = 0 executing program [pid 6079] <... openat resumed>) = 3 [pid 6079] write(3, "1000", 4) = 4 [pid 6076] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6079] close(3) = 0 [pid 6079] write(1, "executing program\n", 18) = 18 [pid 6079] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6079] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6079] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 ./strace-static-x86_64: Process 6081 attached ./strace-static-x86_64: Process 6080 attached [pid 6079] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6079] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6079] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6081] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6080] set_robust_list(0x55557b9646a0, 24 [pid 6079] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6081] <... rseq resumed>) = 0 [pid 6080] <... set_robust_list resumed>) = 0 [pid 6079] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6082 attached [pid 6081] set_robust_list(0x7f51c74739a0, 24 [pid 6080] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6076] <... clone3 resumed> => {parent_tid=[6081]}, 88) = 6081 [pid 5817] <... clone resumed>, child_tidptr=0x55557b964690) = 6080 [pid 6081] <... set_robust_list resumed>) = 0 [pid 6080] <... prctl resumed>) = 0 [pid 6079] <... clone3 resumed> => {parent_tid=[6082]}, 88) = 6082 [pid 6081] rt_sigprocmask(SIG_SETMASK, [], [pid 6080] setpgid(0, 0 [pid 6079] rt_sigprocmask(SIG_SETMASK, [], [pid 6081] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6080] <... setpgid resumed>) = 0 [pid 6079] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 6081] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6079] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] rt_sigprocmask(SIG_SETMASK, [], [pid 6082] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6079] <... futex resumed>) = 0 [pid 6079] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6080] <... openat resumed>) = 3 [pid 6080] write(3, "1000", 4) = 4 [pid 6080] close(3) = 0 [pid 6080] write(1, "executing program\n", 18) = 18 [pid 6082] <... rseq resumed>) = 0 [pid 6080] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6082] set_robust_list(0x7f51c74739a0, 24 [pid 6076] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6080] <... futex resumed>) = 0 [pid 6082] <... set_robust_list resumed>) = 0 [pid 6081] <... futex resumed>) = 0 [pid 6076] <... futex resumed>) = 1 [pid 6082] rt_sigprocmask(SIG_SETMASK, [], [pid 6081] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6076] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6082] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6082] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6080] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6080] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6080] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6080] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6080] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6080] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6084 attached => {parent_tid=[6084]}, 88) = 6084 [pid 6074] <... unshare resumed>) = 0 [pid 6080] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6074] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6074] <... futex resumed>) = 0 [pid 6080] <... futex resumed>) = 0 [pid 6074] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6080] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6084] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6070] exit_group(0) = ? [pid 6074] <... futex resumed>) = ? [pid 6074] +++ exited with 0 +++ [pid 6070] +++ exited with 0 +++ [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6070, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6084] <... rseq resumed>) = 0 [pid 6084] set_robust_list(0x7f51c74739a0, 24 [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6084] <... set_robust_list resumed>) = 0 [pid 6084] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5822] <... clone resumed>, child_tidptr=0x55557b964690) = 6085 ./strace-static-x86_64: Process 6085 attached [pid 6084] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6085] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6079] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6085] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6076] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6085] <... prctl resumed>) = 0 [pid 6085] setpgid(0, 0) = 0 [pid 6085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6085] write(3, "1000", 4 [pid 6080] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6085] <... write resumed>) = 4 [pid 6085] close(3executing program ) = 0 [pid 6085] write(1, "executing program\n", 18) = 18 [pid 6085] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6085] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6085] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6085] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6085] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6085] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6085] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6086 attached [pid 6086] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053) = 0 [pid 6086] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 6086] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6086] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6085] <... clone3 resumed> => {parent_tid=[6086]}, 88) = 6086 [pid 6085] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6085] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6086] <... futex resumed>) = 0 [pid 6085] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6086] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6085] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6078] <... unshare resumed>) = 0 [pid 6078] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6073] exit_group(0) = ? [pid 6078] +++ exited with 0 +++ [pid 6073] +++ exited with 0 +++ [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6073, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5818] restart_syscall(<... resuming interrupted clone ...> [pid 6082] <... unshare resumed>) = 0 [pid 5818] <... restart_syscall resumed>) = 0 [pid 6082] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6082] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6079] exit_group(0 [pid 5818] <... clone resumed>, child_tidptr=0x55557b964690) = 6090 [pid 6082] <... futex resumed>) = ? [pid 6079] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6090 attached [pid 6084] <... unshare resumed>) = 0 [pid 6082] +++ exited with 0 +++ [pid 6079] +++ exited with 0 +++ [pid 6090] set_robust_list(0x55557b9646a0, 24 [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6079, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6090] <... set_robust_list resumed>) = 0 [pid 6084] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] restart_syscall(<... resuming interrupted clone ...> [pid 6084] <... futex resumed>) = 0 [pid 6090] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6084] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6080] exit_group(0 [pid 6084] <... futex resumed>) = ? [pid 6080] <... exit_group resumed>) = ? [pid 6090] <... prctl resumed>) = 0 [pid 6084] +++ exited with 0 +++ [pid 6080] +++ exited with 0 +++ [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6080, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6090] setpgid(0, 0 [pid 6086] <... unshare resumed>) = 0 [pid 6081] <... unshare resumed>) = 0 [pid 5825] <... restart_syscall resumed>) = 0 [pid 6090] <... setpgid resumed>) = 0 [pid 6086] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5817] restart_syscall(<... resuming interrupted clone ...> [pid 6090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6086] <... futex resumed>) = 0 [pid 6081] <... futex resumed>) = 0 [pid 5817] <... restart_syscall resumed>) = 0 [pid 6090] <... openat resumed>) = 3 [pid 6086] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6081] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6076] exit_group(0 [pid 6090] write(3, "1000", 4 [pid 6081] <... futex resumed>) = ? executing program [pid 6076] <... exit_group resumed>) = ? [pid 6090] <... write resumed>) = 4 [pid 6090] close(3 [pid 6081] +++ exited with 0 +++ [pid 6090] <... close resumed>) = 0 [pid 6085] exit_group(0 [pid 6090] write(1, "executing program\n", 18) = 18 [pid 6086] <... futex resumed>) = ? [pid 6085] <... exit_group resumed>) = ? [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6090] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6090] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6090] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 ./strace-static-x86_64: Process 6093 attached [pid 6090] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6090] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6090] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6093] set_robust_list(0x55557b9646a0, 24 [pid 6090] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6094 attached [pid 6093] <... set_robust_list resumed>) = 0 [pid 6090] <... clone3 resumed> => {parent_tid=[6094]}, 88) = 6094 [pid 6093] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6090] rt_sigprocmask(SIG_SETMASK, [], [pid 6086] +++ exited with 0 +++ [pid 6085] +++ exited with 0 +++ [pid 6090] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6093] <... prctl resumed>) = 0 [pid 6090] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6093] setpgid(0, 0 [pid 6090] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6095 attached [pid 6090] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6093] <... setpgid resumed>) = 0 [pid 6076] +++ exited with 0 +++ [pid 5817] <... clone resumed>, child_tidptr=0x55557b964690) = 6093 [pid 6095] set_robust_list(0x55557b9646a0, 24 [pid 6094] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5825] <... clone resumed>, child_tidptr=0x55557b964690) = 6095 [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6085, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6095] <... set_robust_list resumed>) = 0 [pid 6094] <... rseq resumed>) = 0 [pid 5822] restart_syscall(<... resuming interrupted clone ...> [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6076, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 6094] set_robust_list(0x7f51c74739a0, 24 [pid 6095] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6094] <... set_robust_list resumed>) = 0 [pid 6093] <... openat resumed>) = 3 [pid 6093] write(3, "1000", 4 [pid 6095] <... prctl resumed>) = 0 [pid 6094] rt_sigprocmask(SIG_SETMASK, [], [pid 5822] <... restart_syscall resumed>) = 0 [pid 5820] <... restart_syscall resumed>) = 0 [pid 6094] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6093] <... write resumed>) = 4 executing program [pid 6095] setpgid(0, 0 [pid 6093] close(3 [pid 6095] <... setpgid resumed>) = 0 [pid 6093] <... close resumed>) = 0 [pid 6094] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6093] write(1, "executing program\n", 18) = 18 [pid 6095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6093] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6093] <... futex resumed>) = 0 [pid 6093] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 ./strace-static-x86_64: Process 6096 attached [pid 6095] <... openat resumed>) = 3 [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6096] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6093] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6096] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6093] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6096] <... prctl resumed>) = 0 [pid 6093] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6096] setpgid(0, 0 [pid 6093] <... mmap resumed>) = 0x7f51c7453000 [pid 6093] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6096] <... setpgid resumed>) = 0 [pid 6096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6093] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6096] <... openat resumed>) = 3 [pid 6093] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6098 attached ./strace-static-x86_64: Process 6097 attached [pid 6095] write(3, "1000", 4 [pid 5820] <... clone resumed>, child_tidptr=0x55557b964690) = 6096 [pid 6096] write(3, "1000", 4) = 4 [pid 6096] close(3) = 0 [pid 6096] write(1, "executing program\n", 18 [pid 6095] <... write resumed>) = 4 executing program [pid 5822] <... clone resumed>, child_tidptr=0x55557b964690) = 6098 [pid 6096] <... write resumed>) = 18 [pid 6095] close(3executing program [pid 6096] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] <... close resumed>) = 0 [pid 6097] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6098] set_robust_list(0x55557b9646a0, 24 [pid 6097] <... rseq resumed>) = 0 [pid 6095] write(1, "executing program\n", 18 [pid 6098] <... set_robust_list resumed>) = 0 [pid 6097] set_robust_list(0x7f51c74739a0, 24 [pid 6095] <... write resumed>) = 18 [pid 6096] <... futex resumed>) = 0 [pid 6098] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6097] <... set_robust_list resumed>) = 0 [pid 6096] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6095] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6097] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6096] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6095] <... futex resumed>) = 0 [pid 6093] <... clone3 resumed> => {parent_tid=[6097]}, 88) = 6097 [pid 6097] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6095] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6098] <... prctl resumed>) = 0 [pid 6096] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6095] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6093] rt_sigprocmask(SIG_SETMASK, [], [pid 6095] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6096] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6095] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6093] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6098] setpgid(0, 0 [pid 6096] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6095] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6093] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] <... setpgid resumed>) = 0 [pid 6097] <... futex resumed>) = 0 [pid 6096] <... mmap resumed>) = 0x7f51c7453000 [pid 6095] <... mmap resumed>) = 0x7f51c7453000 [pid 6093] <... futex resumed>) = 1 [pid 6096] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6093] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6097] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6096] <... mprotect resumed>) = 0 [pid 6095] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6096] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6096] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6099 attached => {parent_tid=[6099]}, 88) = 6099 [pid 6096] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6096] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6096] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6099] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053) = 0 [pid 6099] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 6099] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6099] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6098] <... openat resumed>) = 3 [pid 6095] <... mprotect resumed>) = 0 [pid 6095] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6095] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6090] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 6100 attached [pid 6095] <... clone3 resumed> => {parent_tid=[6100]}, 88) = 6100 [pid 6095] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6098] write(3, "1000", 4 [pid 6095] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6098] <... write resumed>) = 4 [pid 6095] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6100] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6098] close(3executing program [pid 6100] <... rseq resumed>) = 0 [pid 6098] <... close resumed>) = 0 [pid 6100] set_robust_list(0x7f51c74739a0, 24 [pid 6098] write(1, "executing program\n", 18 [pid 6100] <... set_robust_list resumed>) = 0 [pid 6098] <... write resumed>) = 18 [pid 6098] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] rt_sigprocmask(SIG_SETMASK, [], [pid 6098] <... futex resumed>) = 0 [pid 6098] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6100] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6100] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6098] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6098] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6098] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6098] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6098] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6098] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6101 attached [pid 6096] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6098] <... clone3 resumed> => {parent_tid=[6101]}, 88) = 6101 [pid 6093] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6098] rt_sigprocmask(SIG_SETMASK, [], [pid 6101] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6098] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6095] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6101] <... rseq resumed>) = 0 [pid 6098] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6101] set_robust_list(0x7f51c74739a0, 24 [pid 6098] <... futex resumed>) = 0 [pid 6101] <... set_robust_list resumed>) = 0 [pid 6101] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6101] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6098] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6094] <... unshare resumed>) = 0 [pid 6094] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6094] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6090] exit_group(0 [pid 6094] <... futex resumed>) = ? [pid 6090] <... exit_group resumed>) = ? [pid 6094] +++ exited with 0 +++ [pid 6090] +++ exited with 0 +++ [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6090, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5818] restart_syscall(<... resuming interrupted clone ...> [pid 6098] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5818] <... restart_syscall resumed>) = 0 [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6099] <... unshare resumed>) = 0 [pid 5818] <... clone resumed>, child_tidptr=0x55557b964690) = 6104 ./strace-static-x86_64: Process 6104 attached [pid 6099] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6099] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6104] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6104] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6096] exit_group(0) = ? [pid 6104] <... prctl resumed>) = 0 [pid 6104] setpgid(0, 0) = 0 [pid 6099] <... futex resumed>) = ? [pid 6104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6104] write(3, "1000", 4 [pid 6099] +++ exited with 0 +++ [pid 6096] +++ exited with 0 +++ [pid 6104] <... write resumed>) = 4 [pid 6104] close(3 [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6096, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6104] <... close resumed>) = 0 [pid 5820] restart_syscall(<... resuming interrupted clone ...>executing program [pid 6104] write(1, "executing program\n", 18 [pid 5820] <... restart_syscall resumed>) = 0 [pid 6104] <... write resumed>) = 18 [pid 6104] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6105 attached [pid 6104] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 5820] <... clone resumed>, child_tidptr=0x55557b964690) = 6105 [pid 6105] set_robust_list(0x55557b9646a0, 24 [pid 6104] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6104] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6105] <... set_robust_list resumed>) = 0 [pid 6104] <... mmap resumed>) = 0x7f51c7453000 [pid 6104] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6105] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6104] <... mprotect resumed>) = 0 [pid 6105] <... prctl resumed>) = 0 [pid 6104] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6097] <... unshare resumed>) = 0 [pid 6105] setpgid(0, 0 [pid 6104] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6105] <... setpgid resumed>) = 0 [pid 6104] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6097] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6107 attached [pid 6105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6097] <... futex resumed>) = 0 [pid 6093] exit_group(0 [pid 6107] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6104] <... clone3 resumed> => {parent_tid=[6107]}, 88) = 6107 [pid 6093] <... exit_group resumed>) = ? [pid 6107] <... rseq resumed>) = 0 [pid 6104] rt_sigprocmask(SIG_SETMASK, [], [pid 6107] set_robust_list(0x7f51c74739a0, 24 [pid 6105] <... openat resumed>) = 3 [pid 6104] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6107] <... set_robust_list resumed>) = 0 [pid 6104] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6107] rt_sigprocmask(SIG_SETMASK, [], [pid 6104] <... futex resumed>) = 0 [pid 6107] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6104] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6107] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6105] write(3, "1000", 4 [pid 6097] +++ exited with 0 +++ [pid 6093] +++ exited with 0 +++ [pid 6105] <... write resumed>) = 4 [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6093, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6105] close(3 [pid 5817] restart_syscall(<... resuming interrupted clone ...>executing program ) = 0 [pid 6105] <... close resumed>) = 0 [pid 6105] write(1, "executing program\n", 18) = 18 [pid 6105] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6105] <... futex resumed>) = 0 [pid 6105] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5817] <... clone resumed>, child_tidptr=0x55557b964690) = 6108 [pid 6105] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6105] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 6108 attached NULL, 8) = 0 [pid 6105] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6105] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6105] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6105] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6108] set_robust_list(0x55557b9646a0, 24 [pid 6105] <... clone3 resumed> => {parent_tid=[6110]}, 88) = 6110 [pid 6108] <... set_robust_list resumed>) = 0 [pid 6105] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6108] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6105] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6108] <... prctl resumed>) = 0 [pid 6105] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6108] setpgid(0, 0) = 0 [pid 6108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6110 attached ) = 3 [pid 6100] <... unshare resumed>) = 0 [pid 6108] write(3, "1000", 4 [pid 6110] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6108] <... write resumed>) = 4 [pid 6100] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] <... rseq resumed>) = 0 [pid 6108] close(3 [pid 6100] <... futex resumed>) = 0 [pid 6110] set_robust_list(0x7f51c74739a0, 24 [pid 6108] <... close resumed>) = 0 [pid 6100] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6110] <... set_robust_list resumed>) = 0 [pid 6108] write(1, "executing program\n", 18executing program [pid 6110] rt_sigprocmask(SIG_SETMASK, [], [pid 6108] <... write resumed>) = 18 [pid 6110] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6108] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] exit_group(0 [pid 6110] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6108] <... futex resumed>) = 0 [pid 6100] <... futex resumed>) = ? [pid 6095] <... exit_group resumed>) = ? [pid 6108] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6104] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6108] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6100] +++ exited with 0 +++ [pid 6095] +++ exited with 0 +++ [pid 6108] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6095, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6108] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6108] <... mmap resumed>) = 0x7f51c7453000 [pid 6108] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 6112 attached [pid 6112] set_robust_list(0x55557b9646a0, 24 [pid 6108] <... mprotect resumed>) = 0 [pid 5825] <... clone resumed>, child_tidptr=0x55557b964690) = 6112 [pid 6108] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6112] <... set_robust_list resumed>) = 0 [pid 6108] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6108] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6113 attached [pid 6112] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6113] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6112] <... prctl resumed>) = 0 [pid 6108] <... clone3 resumed> => {parent_tid=[6113]}, 88) = 6113 [pid 6113] <... rseq resumed>) = 0 [pid 6112] setpgid(0, 0 [pid 6108] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6108] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6108] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6112] <... setpgid resumed>) = 0 [pid 6113] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 6112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6113] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6113] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6112] <... openat resumed>) = 3 [pid 6101] <... unshare resumed>) = 0 [pid 6112] write(3, "1000", 4) = 4 [pid 6105] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6101] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] exit_group(0) = ? executing program [pid 6112] close(3 [pid 6101] <... futex resumed>) = ? [pid 6112] <... close resumed>) = 0 [pid 6101] +++ exited with 0 +++ [pid 6098] +++ exited with 0 +++ [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6098, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5822] restart_syscall(<... resuming interrupted clone ...> [pid 6112] write(1, "executing program\n", 18) = 18 [pid 6112] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6112] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6112] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6112] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6112] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6112] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6112] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6107] <... unshare resumed>) = 0 [pid 5822] <... restart_syscall resumed>) = 0 [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6116 attached ./strace-static-x86_64: Process 6115 attached [pid 6107] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6115] set_robust_list(0x55557b9646a0, 24 [pid 6112] <... clone3 resumed> => {parent_tid=[6116]}, 88) = 6116 [pid 6107] <... futex resumed>) = 0 [pid 6104] exit_group(0 [pid 5822] <... clone resumed>, child_tidptr=0x55557b964690) = 6115 [pid 6116] <... rseq resumed>) = 0 [pid 6115] <... set_robust_list resumed>) = 0 [pid 6112] rt_sigprocmask(SIG_SETMASK, [], [pid 6104] <... exit_group resumed>) = ? [pid 6116] set_robust_list(0x7f51c74739a0, 24 [pid 6115] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6108] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6116] <... set_robust_list resumed>) = 0 [pid 6115] <... prctl resumed>) = 0 [pid 6116] rt_sigprocmask(SIG_SETMASK, [], [pid 6115] setpgid(0, 0 [pid 6116] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6116] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6115] <... setpgid resumed>) = 0 [pid 6115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6112] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6112] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] <... futex resumed>) = 0 [pid 6112] <... futex resumed>) = 1 [pid 6116] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6112] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6115] <... openat resumed>) = 3 [pid 6115] write(3, "1000", 4 [pid 6107] +++ exited with 0 +++ [pid 6104] +++ exited with 0 +++ [pid 6115] <... write resumed>) = 4 [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6104, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- executing program [pid 6115] close(3) = 0 [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6115] write(1, "executing program\n", 18) = 18 [pid 5818] <... clone resumed>, child_tidptr=0x55557b964690) = 6117 [pid 6115] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 6117 attached [pid 6115] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6115] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6115] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6115] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6115] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6115] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} => {parent_tid=[6118]}, 88) = 6118 [pid 6115] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6115] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6115] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6118 attached [pid 6117] set_robust_list(0x55557b9646a0, 24 [pid 6118] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6117] <... set_robust_list resumed>) = 0 [pid 6117] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6118] <... rseq resumed>) = 0 [pid 6117] <... prctl resumed>) = 0 [pid 6117] setpgid(0, 0 [pid 6118] set_robust_list(0x7f51c74739a0, 24 [pid 6117] <... setpgid resumed>) = 0 [pid 6118] <... set_robust_list resumed>) = 0 [pid 6118] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6118] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6112] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6117] <... openat resumed>) = 3 [pid 6117] write(3, "1000", 4) = 4 [pid 6117] close(3) = 0 executing program [pid 6117] write(1, "executing program\n", 18) = 18 [pid 6117] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6117] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6117] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6117] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6117] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6117] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6117] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6119 attached [pid 6119] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6117] <... clone3 resumed> => {parent_tid=[6119]}, 88) = 6119 [pid 6119] <... rseq resumed>) = 0 [pid 6117] rt_sigprocmask(SIG_SETMASK, [], [pid 6119] set_robust_list(0x7f51c74739a0, 24 [pid 6117] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6119] <... set_robust_list resumed>) = 0 [pid 6117] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6119] rt_sigprocmask(SIG_SETMASK, [], [pid 6117] <... futex resumed>) = 0 [pid 6119] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6117] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6119] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6115] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6117] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6113] <... unshare resumed>) = 0 [pid 6113] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6113] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6108] exit_group(0) = ? [pid 6113] <... futex resumed>) = ? [pid 6113] +++ exited with 0 +++ [pid 6108] +++ exited with 0 +++ [pid 6116] <... unshare resumed>) = 0 [pid 6110] <... unshare resumed>) = 0 [pid 6119] <... unshare resumed>) = 0 [pid 6116] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] exit_group(0 [pid 6110] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6119] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] <... futex resumed>) = 0 [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6108, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6119] <... futex resumed>) = 0 [pid 6112] <... exit_group resumed>) = ? [pid 6110] <... futex resumed>) = 0 [pid 5817] restart_syscall(<... resuming interrupted clone ...> [pid 6119] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6117] exit_group(0 [pid 6116] +++ exited with 0 +++ [pid 6112] +++ exited with 0 +++ [pid 6110] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6119] <... futex resumed>) = ? [pid 6117] <... exit_group resumed>) = ? [pid 6119] +++ exited with 0 +++ [pid 6117] +++ exited with 0 +++ [pid 6105] exit_group(0 [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6112, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5817] <... restart_syscall resumed>) = 0 [pid 6110] <... futex resumed>) = ? [pid 6105] <... exit_group resumed>) = ? [pid 6110] +++ exited with 0 +++ [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6117, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5818] restart_syscall(<... resuming interrupted clone ...> [pid 6105] +++ exited with 0 +++ [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6105, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 5817] <... clone resumed>, child_tidptr=0x55557b964690) = 6124 [pid 5820] <... restart_syscall resumed>) = 0 executing program ./strace-static-x86_64: Process 6124 attached [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5818] <... restart_syscall resumed>) = 0 [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6124] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6124] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6124] setpgid(0, 0) = 0 [pid 6124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 6126 attached ./strace-static-x86_64: Process 6127 attached [pid 6124] write(3, "1000", 4 [pid 5825] <... clone resumed>, child_tidptr=0x55557b964690) = 6127 [pid 6124] <... write resumed>) = 4 [pid 6124] close(3) = 0 [pid 6124] write(1, "executing program\n", 18) = 18 [pid 6124] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6124] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6124] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6124] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6124] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6124] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6124] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} => {parent_tid=[6128]}, 88) = 6128 [pid 6124] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6124] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6124] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6128 attached [pid 6127] set_robust_list(0x55557b9646a0, 24 [pid 6126] set_robust_list(0x55557b9646a0, 24 [pid 6118] <... unshare resumed>) = 0 [pid 5820] <... clone resumed>, child_tidptr=0x55557b964690) = 6126 [pid 6128] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6127] <... set_robust_list resumed>) = 0 [pid 6118] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6128] <... rseq resumed>) = 0 [pid 6118] <... futex resumed>) = 0 [pid 6128] set_robust_list(0x7f51c74739a0, 24 [pid 6118] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6128] <... set_robust_list resumed>) = 0 [pid 6128] rt_sigprocmask(SIG_SETMASK, [], [pid 6127] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6126] <... set_robust_list resumed>) = 0 [pid 6126] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6126] <... prctl resumed>) = 0 [pid 6126] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 6129 attached [pid 6128] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6127] <... prctl resumed>) = 0 [pid 6126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6115] exit_group(0 [pid 6128] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6127] setpgid(0, 0 [pid 6126] <... openat resumed>) = 3 [pid 6129] set_robust_list(0x55557b9646a0, 24 [pid 6127] <... setpgid resumed>) = 0 [pid 6118] <... futex resumed>) = ? [pid 6115] <... exit_group resumed>) = ? [pid 5818] <... clone resumed>, child_tidptr=0x55557b964690) = 6129 [pid 6129] <... set_robust_list resumed>) = 0 [pid 6127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6126] write(3, "1000", 4 [pid 6118] +++ exited with 0 +++ [pid 6129] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6115] +++ exited with 0 +++ [pid 6129] <... prctl resumed>) = 0 [pid 6127] <... openat resumed>) = 3 [pid 6126] <... write resumed>) = 4 [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6115, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- executing program executing program [pid 6129] setpgid(0, 0 [pid 6127] write(3, "1000", 4 [pid 6126] close(3 [pid 6127] <... write resumed>) = 4 [pid 6126] <... close resumed>) = 0 [pid 6126] write(1, "executing program\n", 18) = 18 [pid 6126] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6126] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6126] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6127] close(3 [pid 6126] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6127] <... close resumed>) = 0 [pid 6126] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6127] write(1, "executing program\n", 18 [pid 6126] <... mmap resumed>) = 0x7f51c7453000 [pid 6127] <... write resumed>) = 18 [pid 6126] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6127] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6126] <... mprotect resumed>) = 0 [pid 6127] <... futex resumed>) = 0 [pid 6126] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6127] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6126] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6129] <... setpgid resumed>) = 0 [pid 6127] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6126] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6127] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 6130 attached [pid 6129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6127] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6130] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6127] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6130] <... rseq resumed>) = 0 [pid 6130] set_robust_list(0x7f51c74739a0, 24 [pid 6129] <... openat resumed>) = 3 [pid 6127] <... mmap resumed>) = 0x7f51c7453000 [pid 6124] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6127] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6126] <... clone3 resumed> => {parent_tid=[6130]}, 88) = 6130 [pid 6126] rt_sigprocmask(SIG_SETMASK, [], [pid 6127] <... mprotect resumed>) = 0 [pid 6126] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6127] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6126] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6126] <... futex resumed>) = 0 [pid 6127] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6126] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6127] <... clone3 resumed> => {parent_tid=[6131]}, 88) = 6131 [pid 6127] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6127] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 6131 attached [pid 6130] <... set_robust_list resumed>) = 0 [pid 6129] write(3, "1000", 4 [pid 6127] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6131] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6130] rt_sigprocmask(SIG_SETMASK, [], [pid 6129] <... write resumed>) = 4 [pid 6131] <... rseq resumed>) = 0 [pid 6130] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6129] close(3) = 0 [pid 6131] set_robust_list(0x7f51c74739a0, 24 [pid 6130] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6129] write(1, "executing program\n", 18executing program ) = 18 [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6129] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5822] <... clone resumed>, child_tidptr=0x55557b964690) = 6132 ./strace-static-x86_64: Process 6132 attached [pid 6131] <... set_robust_list resumed>) = 0 [pid 6129] <... futex resumed>) = 0 [pid 6131] rt_sigprocmask(SIG_SETMASK, [], [pid 6132] set_robust_list(0x55557b9646a0, 24 [pid 6131] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6129] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6131] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6129] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6132] <... set_robust_list resumed>) = 0 [pid 6132] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6129] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6132] <... prctl resumed>) = 0 [pid 6129] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6132] setpgid(0, 0) = 0 [pid 6129] <... mmap resumed>) = 0x7f51c7453000 [pid 6132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6129] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6132] <... openat resumed>) = 3 [pid 6129] <... mprotect resumed>) = 0 [pid 6129] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6132] write(3, "1000", 4 [pid 6129] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6132] <... write resumed>) = 4 [pid 6132] close(3) = 0 ./strace-static-x86_64: Process 6133 attached executing program [pid 6132] write(1, "executing program\n", 18 [pid 6133] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6132] <... write resumed>) = 18 [pid 6129] <... clone3 resumed> => {parent_tid=[6133]}, 88) = 6133 [pid 6132] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] rt_sigprocmask(SIG_SETMASK, [], [pid 6132] <... futex resumed>) = 0 [pid 6133] <... rseq resumed>) = 0 [pid 6129] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6129] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6133] set_robust_list(0x7f51c74739a0, 24 [pid 6132] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6127] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6126] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6129] <... futex resumed>) = 0 [pid 6129] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6133] <... set_robust_list resumed>) = 0 [pid 6132] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6133] rt_sigprocmask(SIG_SETMASK, [], [pid 6132] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6133] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6132] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6133] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6132] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6132] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6132] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6132] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} => {parent_tid=[6134]}, 88) = 6134 ./strace-static-x86_64: Process 6134 attached [pid 6132] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6132] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6134] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6132] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6134] <... rseq resumed>) = 0 [pid 6134] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 6134] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6134] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6129] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6132] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6128] <... unshare resumed>) = 0 [pid 6128] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6128] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6124] exit_group(0) = ? [pid 6128] <... futex resumed>) = ? [pid 6128] +++ exited with 0 +++ [pid 6124] +++ exited with 0 +++ [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6124, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5817] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6136 attached [pid 6136] set_robust_list(0x55557b9646a0, 24 [pid 5817] <... clone resumed>, child_tidptr=0x55557b964690) = 6136 [pid 6136] <... set_robust_list resumed>) = 0 [pid 6136] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6136] setpgid(0, 0) = 0 [pid 6136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6136] write(3, "1000", 4) = 4 [pid 6136] close(3executing program ) = 0 [pid 6136] write(1, "executing program\n", 18) = 18 [pid 6136] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6136] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6136] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6136] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6134] <... unshare resumed>) = 0 [pid 6136] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6134] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6134] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6132] exit_group(0) = ? [pid 6134] <... futex resumed>) = ? [pid 6136] <... mprotect resumed>) = 0 [pid 6136] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6136] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6134] +++ exited with 0 +++ [pid 6132] +++ exited with 0 +++ [pid 6130] <... unshare resumed>) = 0 ./strace-static-x86_64: Process 6140 attached [pid 6133] <... unshare resumed>) = 0 [pid 6130] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6132, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6140] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6136] <... clone3 resumed> => {parent_tid=[6140]}, 88) = 6140 [pid 6130] <... futex resumed>) = 0 [pid 6140] <... rseq resumed>) = 0 [pid 6136] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6140] set_robust_list(0x7f51c74739a0, 24 [pid 6136] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6133] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6129] exit_group(0 [pid 6140] <... set_robust_list resumed>) = 0 [pid 6136] <... futex resumed>) = 0 [pid 6133] <... futex resumed>) = ? [pid 6129] <... exit_group resumed>) = ? [pid 6140] rt_sigprocmask(SIG_SETMASK, [], [pid 6136] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6133] +++ exited with 0 +++ [pid 6131] <... unshare resumed>) = 0 [pid 6129] +++ exited with 0 +++ [pid 6126] exit_group(0 [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6140] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6131] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6126] <... exit_group resumed>) = ? [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6129, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5818] restart_syscall(<... resuming interrupted clone ...> [pid 6140] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6131] <... futex resumed>) = 0 [pid 6131] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6130] <... futex resumed>) = ? ./strace-static-x86_64: Process 6142 attached [pid 6127] exit_group(0) = ? [pid 6131] <... futex resumed>) = ? [pid 6130] +++ exited with 0 +++ [pid 6126] +++ exited with 0 +++ [pid 6131] +++ exited with 0 +++ [pid 6127] +++ exited with 0 +++ [pid 5822] <... clone resumed>, child_tidptr=0x55557b964690) = 6142 [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6126, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6127, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5825] restart_syscall(<... resuming interrupted clone ...> [pid 6142] set_robust_list(0x55557b9646a0, 24 [pid 5818] <... restart_syscall resumed>) = 0 [pid 6142] <... set_robust_list resumed>) = 0 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6143 attached [pid 6142] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6144 attached [pid 6142] setpgid(0, 0) = 0 [pid 5820] <... clone resumed>, child_tidptr=0x55557b964690) = 6143 [pid 6142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6144] set_robust_list(0x55557b9646a0, 24 [pid 6143] set_robust_list(0x55557b9646a0, 24 [pid 6142] <... openat resumed>) = 3 [pid 5825] <... restart_syscall resumed>) = 0 [pid 5818] <... clone resumed>, child_tidptr=0x55557b964690) = 6144 [pid 6143] <... set_robust_list resumed>) = 0 [pid 6143] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6144] <... set_robust_list resumed>) = 0 [pid 6143] setpgid(0, 0) = 0 [pid 6142] write(3, "1000", 4 [pid 5825] <... clone resumed>, child_tidptr=0x55557b964690) = 6145 [pid 6144] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6142] <... write resumed>) = 4 [pid 6144] <... prctl resumed>) = 0 [pid 6143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6142] close(3executing program ./strace-static-x86_64: Process 6145 attached [pid 6144] setpgid(0, 0 [pid 6143] <... openat resumed>) = 3 [pid 6142] <... close resumed>) = 0 [pid 6143] write(3, "1000", 4 [pid 6144] <... setpgid resumed>) = 0 [pid 6143] <... write resumed>) = 4 [pid 6142] write(1, "executing program\n", 18 [pid 6143] close(3executing program [pid 6145] set_robust_list(0x55557b9646a0, 24 [pid 6144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6143] <... close resumed>) = 0 [pid 6142] <... write resumed>) = 18 [pid 6143] write(1, "executing program\n", 18 [pid 6145] <... set_robust_list resumed>) = 0 [pid 6144] <... openat resumed>) = 3 [pid 6143] <... write resumed>) = 18 [pid 6142] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6145] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6144] write(3, "1000", 4 [pid 6143] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] <... futex resumed>) = 0 [pid 6144] <... write resumed>) = 4 [pid 6142] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6145] <... prctl resumed>) = 0 [pid 6143] <... futex resumed>) = 0 [pid 6144] close(3 [pid 6142] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6143] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6145] setpgid(0, 0 [pid 6144] <... close resumed>) = 0 [pid 6142] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6144] write(1, "executing program\n", 18 [pid 6142] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6140] <... unshare resumed>) = 0 [pid 6143] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6145] <... setpgid resumed>) = 0 executing program [pid 6144] <... write resumed>) = 18 [pid 6142] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6144] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] <... mmap resumed>) = 0x7f51c7453000 [pid 6144] <... futex resumed>) = 0 [pid 6142] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6144] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6143] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6142] <... mprotect resumed>) = 0 [pid 6143] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6144] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6143] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6145] <... openat resumed>) = 3 [pid 6142] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6140] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6145] write(3, "1000", 4 [pid 6144] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6143] <... mmap resumed>) = 0x7f51c7453000 [pid 6142] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6140] <... futex resumed>) = 1 [pid 6145] <... write resumed>) = 4 [pid 6144] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6143] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6142] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6136] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6147 attached [pid 6145] close(3 [pid 6144] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6143] <... mprotect resumed>) = 0 [pid 6140] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6136] exit_group(0 [pid 6147] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6145] <... close resumed>) = 0 [pid 6144] <... mmap resumed>) = 0x7f51c7453000 [pid 6143] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6142] <... clone3 resumed> => {parent_tid=[6147]}, 88) = 6147 [pid 6140] <... futex resumed>) = ? [pid 6136] <... exit_group resumed>) = ? executing program [pid 6147] <... rseq resumed>) = 0 [pid 6145] write(1, "executing program\n", 18 [pid 6143] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6147] set_robust_list(0x7f51c74739a0, 24 [pid 6145] <... write resumed>) = 18 [pid 6143] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6145] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6148 attached [pid 6147] <... set_robust_list resumed>) = 0 [pid 6145] <... futex resumed>) = 0 [pid 6144] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6142] rt_sigprocmask(SIG_SETMASK, [], [pid 6140] +++ exited with 0 +++ [pid 6136] +++ exited with 0 +++ [pid 6147] rt_sigprocmask(SIG_SETMASK, [], [pid 6145] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6144] <... mprotect resumed>) = 0 [pid 6143] <... clone3 resumed> => {parent_tid=[6148]}, 88) = 6148 [pid 6142] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6147] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6145] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6144] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6143] rt_sigprocmask(SIG_SETMASK, [], [pid 6142] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6136, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6147] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6145] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6144] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6143] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6142] <... futex resumed>) = 0 [pid 5817] restart_syscall(<... resuming interrupted clone ...> [pid 6148] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6144] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6142] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6145] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6149 attached [pid 6148] <... rseq resumed>) = 0 [pid 6143] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5817] <... restart_syscall resumed>) = 0 [pid 6144] <... clone3 resumed> => {parent_tid=[6149]}, 88) = 6149 [pid 6144] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6145] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6143] <... futex resumed>) = 0 [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6145] <... mmap resumed>) = 0x7f51c7453000 [pid 6143] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6144] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6148] set_robust_list(0x7f51c74739a0, 24 [pid 6144] <... futex resumed>) = 0 [pid 6148] <... set_robust_list resumed>) = 0 [pid 6144] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6148] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6148] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6145] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5817] <... clone resumed>, child_tidptr=0x55557b964690) = 6150 [pid 6149] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053) = 0 [pid 6145] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 6150 attached [], 8) = 0 [pid 6149] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 6149] rt_sigprocmask(SIG_SETMASK, [], [pid 6145] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6149] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6149] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET./strace-static-x86_64: Process 6151 attached [pid 6145] <... clone3 resumed> => {parent_tid=[6151]}, 88) = 6151 [pid 6150] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6150] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6145] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6145] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6145] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6151] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6150] <... prctl resumed>) = 0 [pid 6150] setpgid(0, 0 [pid 6151] <... rseq resumed>) = 0 [pid 6150] <... setpgid resumed>) = 0 [pid 6151] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 6150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6142] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6151] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6150] <... openat resumed>) = 3 [pid 6143] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6151] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6150] write(3, "1000", 4 [pid 6144] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6150] <... write resumed>) = 4 [pid 6150] close(3) = 0 [pid 6150] write(1, "executing program\n", 18executing program ) = 18 [pid 6150] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6150] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6150] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6150] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6150] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6150] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6150] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6152 attached [pid 6152] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053) = 0 [pid 6150] <... clone3 resumed> => {parent_tid=[6152]}, 88) = 6152 [pid 6152] set_robust_list(0x7f51c74739a0, 24 [pid 6150] rt_sigprocmask(SIG_SETMASK, [], [pid 6152] <... set_robust_list resumed>) = 0 [pid 6150] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6152] rt_sigprocmask(SIG_SETMASK, [], [pid 6150] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6152] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6150] <... futex resumed>) = 0 [pid 6150] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6147] <... unshare resumed>) = 0 [pid 6145] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6147] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] exit_group(0 [pid 6147] <... futex resumed>) = ? [pid 6142] <... exit_group resumed>) = ? [pid 6147] +++ exited with 0 +++ [pid 6142] +++ exited with 0 +++ [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6142, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6154 attached [pid 6154] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6154] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5822] <... clone resumed>, child_tidptr=0x55557b964690) = 6154 [pid 6154] setpgid(0, 0) = 0 [pid 6154] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6154] write(3, "1000", 4) = 4 [pid 6154] close(3) = 0 executing program [pid 6154] write(1, "executing program\n", 18) = 18 [pid 6154] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6154] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6150] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6154] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6154] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6154] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6154] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6149] <... unshare resumed>) = 0 [pid 6154] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6157 attached [pid 6149] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6148] <... unshare resumed>) = 0 [pid 6157] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6154] <... clone3 resumed> => {parent_tid=[6157]}, 88) = 6157 [pid 6144] exit_group(0 [pid 6157] <... rseq resumed>) = 0 [pid 6154] rt_sigprocmask(SIG_SETMASK, [], [pid 6149] <... futex resumed>) = ? [pid 6144] <... exit_group resumed>) = ? [pid 6149] +++ exited with 0 +++ [pid 6157] set_robust_list(0x7f51c74739a0, 24 [pid 6154] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6154] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6157] <... set_robust_list resumed>) = 0 [pid 6157] rt_sigprocmask(SIG_SETMASK, [], [pid 6154] <... futex resumed>) = 0 [pid 6144] +++ exited with 0 +++ [pid 6154] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6157] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6144, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6148] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6143] exit_group(0 [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6157] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6143] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6158 attached [pid 6148] +++ exited with 0 +++ [pid 6143] +++ exited with 0 +++ [pid 5818] <... clone resumed>, child_tidptr=0x55557b964690) = 6158 [pid 6158] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6158] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6158] setpgid(0, 0) = 0 [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6143, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6151] <... unshare resumed>) = 0 [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 6158] write(3, "1000", 4 [pid 5820] <... restart_syscall resumed>) = 0 executing program [pid 6158] <... write resumed>) = 4 [pid 6158] close(3 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6158] <... close resumed>) = 0 [pid 6158] write(1, "executing program\n", 18) = 18 [pid 6158] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6158] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6158] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 6160 attached NULL, 8) = 0 [pid 6151] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6151] <... futex resumed>) = 0 [pid 6145] exit_group(0 [pid 6160] set_robust_list(0x55557b9646a0, 24 [pid 6158] <... mmap resumed>) = 0x7f51c7453000 [pid 6145] <... exit_group resumed>) = ? [pid 6160] <... set_robust_list resumed>) = 0 [pid 6158] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6160] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6158] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6160] <... prctl resumed>) = 0 [pid 6158] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6160] setpgid(0, 0 [pid 6158] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6162 attached [pid 6151] +++ exited with 0 +++ [pid 6145] +++ exited with 0 +++ [pid 5820] <... clone resumed>, child_tidptr=0x55557b964690) = 6160 [pid 6160] <... setpgid resumed>) = 0 [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6145, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6163 attached [pid 6162] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6160] <... openat resumed>) = 3 [pid 6158] <... clone3 resumed> => {parent_tid=[6162]}, 88) = 6162 [pid 6152] <... unshare resumed>) = 0 [pid 6162] <... rseq resumed>) = 0 [pid 6160] write(3, "1000", 4 [pid 6158] rt_sigprocmask(SIG_SETMASK, [], [pid 6162] set_robust_list(0x7f51c74739a0, 24 [pid 6160] <... write resumed>) = 4 [pid 6162] <... set_robust_list resumed>) = 0 [pid 6160] close(3 [pid 6158] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6162] rt_sigprocmask(SIG_SETMASK, [], [pid 6160] <... close resumed>) = 0 [pid 6158] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] <... clone resumed>, child_tidptr=0x55557b964690) = 6163 executing program [pid 6162] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6160] write(1, "executing program\n", 18 [pid 6158] <... futex resumed>) = 0 [pid 6162] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6160] <... write resumed>) = 18 [pid 6158] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6152] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6150] exit_group(0 [pid 6160] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6160] <... futex resumed>) = 0 [pid 6152] <... futex resumed>) = ? [pid 6150] <... exit_group resumed>) = ? [pid 6160] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6163] set_robust_list(0x55557b9646a0, 24 [pid 6160] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6163] <... set_robust_list resumed>) = 0 [pid 6160] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6163] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6160] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6163] <... prctl resumed>) = 0 [pid 6163] setpgid(0, 0 [pid 6160] <... mmap resumed>) = 0x7f51c7453000 [pid 6163] <... setpgid resumed>) = 0 [pid 6160] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6152] +++ exited with 0 +++ [pid 6150] +++ exited with 0 +++ [pid 6160] <... mprotect resumed>) = 0 [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6150, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6163] <... openat resumed>) = 3 [pid 6160] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5817] restart_syscall(<... resuming interrupted clone ...> [pid 6160] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6163] write(3, "1000", 4 [pid 6160] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6163] <... write resumed>) = 4 [pid 6163] close(3./strace-static-x86_64: Process 6164 attached ) = 0 executing program [pid 6163] write(1, "executing program\n", 18) = 18 [pid 6160] <... clone3 resumed> => {parent_tid=[6164]}, 88) = 6164 [pid 6163] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6160] rt_sigprocmask(SIG_SETMASK, [], [pid 6164] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6163] <... futex resumed>) = 0 [pid 6160] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5817] <... restart_syscall resumed>) = 0 [pid 6164] <... rseq resumed>) = 0 [pid 6163] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6160] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6164] set_robust_list(0x7f51c74739a0, 24 [pid 6163] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6160] <... futex resumed>) = 0 [pid 6164] <... set_robust_list resumed>) = 0 [pid 6163] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6160] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6164] rt_sigprocmask(SIG_SETMASK, [], [pid 6163] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6164] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6163] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6164] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5817] <... clone resumed>, child_tidptr=0x55557b964690) = 6166 ./strace-static-x86_64: Process 6166 attached [pid 6163] <... mmap resumed>) = 0x7f51c7453000 [pid 6157] <... unshare resumed>) = 0 [pid 6166] set_robust_list(0x55557b9646a0, 24 [pid 6163] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6157] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] exit_group(0 [pid 6166] <... set_robust_list resumed>) = 0 [pid 6157] <... futex resumed>) = ? [pid 6166] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6163] <... mprotect resumed>) = 0 [pid 6154] <... exit_group resumed>) = ? [pid 6166] <... prctl resumed>) = 0 [pid 6163] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6166] setpgid(0, 0) = 0 [pid 6163] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6157] +++ exited with 0 +++ [pid 6154] +++ exited with 0 +++ [pid 6166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6158] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6154, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6163] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 5822] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6167 attached [pid 6166] <... openat resumed>) = 3 [pid 6166] write(3, "1000", 4) = 4 [pid 6166] close(3) = 0 [pid 6163] <... clone3 resumed> => {parent_tid=[6167]}, 88) = 6167 [pid 6167] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6163] rt_sigprocmask(SIG_SETMASK, [], [pid 5822] <... restart_syscall resumed>) = 0 [pid 6167] <... rseq resumed>) = 0 [pid 6163] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6167] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 6163] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6167] rt_sigprocmask(SIG_SETMASK, [], [pid 6163] <... futex resumed>) = 0 [pid 6167] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6167] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNETexecuting program [pid 6166] write(1, "executing program\n", 18 [pid 6163] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6166] <... write resumed>) = 18 [pid 6166] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6166] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6168 attached [pid 6166] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5822] <... clone resumed>, child_tidptr=0x55557b964690) = 6168 [pid 6166] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6166] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6166] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6166] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6168] set_robust_list(0x55557b9646a0, 24 [pid 6166] <... mprotect resumed>) = 0 [pid 6168] <... set_robust_list resumed>) = 0 [pid 6166] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6168] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6166] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6168] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 6169 attached [pid 6168] setpgid(0, 0 [pid 6166] <... clone3 resumed> => {parent_tid=[6169]}, 88) = 6169 [pid 6166] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6166] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6168] <... setpgid resumed>) = 0 [pid 6166] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6169] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053) = 0 [pid 6168] <... openat resumed>) = 3 [pid 6160] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6169] set_robust_list(0x7f51c74739a0, 24 [pid 6168] write(3, "1000", 4 [pid 6169] <... set_robust_list resumed>) = 0 [pid 6168] <... write resumed>) = 4 [pid 6169] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6169] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNETexecuting program [pid 6168] close(3) = 0 [pid 6168] write(1, "executing program\n", 18) = 18 [pid 6168] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6168] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6168] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6168] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6168] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6168] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6168] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} => {parent_tid=[6170]}, 88) = 6170 ./strace-static-x86_64: Process 6170 attached [pid 6168] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6170] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6168] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6170] <... rseq resumed>) = 0 [pid 6168] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6170] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 6170] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6170] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6163] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6166] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6162] <... unshare resumed>) = 0 [pid 6162] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6162] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6158] exit_group(0 [pid 6162] <... futex resumed>) = ? [pid 6158] <... exit_group resumed>) = ? [pid 6162] +++ exited with 0 +++ [pid 6158] +++ exited with 0 +++ [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6158, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6172 attached [pid 6172] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6172] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6168] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5818] <... clone resumed>, child_tidptr=0x55557b964690) = 6172 [pid 6172] <... prctl resumed>) = 0 [pid 6172] setpgid(0, 0) = 0 [pid 6172] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6172] write(3, "1000", 4) = 4 [pid 6172] close(3executing program ) = 0 [pid 6172] write(1, "executing program\n", 18) = 18 [pid 6172] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6172] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6164] <... unshare resumed>) = 0 [pid 6172] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6172] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6172] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6164] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6172] <... mmap resumed>) = 0x7f51c7453000 [pid 6160] exit_group(0 [pid 6172] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6160] <... exit_group resumed>) = ? [pid 6172] <... mprotect resumed>) = 0 [pid 6164] <... futex resumed>) = ? [pid 6172] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6164] +++ exited with 0 +++ [pid 6160] +++ exited with 0 +++ [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6160, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6174 attached [pid 6172] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6175 attached [pid 6175] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6174] set_robust_list(0x55557b9646a0, 24 [pid 6172] <... clone3 resumed> => {parent_tid=[6175]}, 88) = 6175 [pid 6175] <... rseq resumed>) = 0 [pid 6174] <... set_robust_list resumed>) = 0 [pid 6172] rt_sigprocmask(SIG_SETMASK, [], [pid 6174] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5820] <... clone resumed>, child_tidptr=0x55557b964690) = 6174 [pid 6175] set_robust_list(0x7f51c74739a0, 24 [pid 6174] <... prctl resumed>) = 0 [pid 6172] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6175] <... set_robust_list resumed>) = 0 [pid 6175] rt_sigprocmask(SIG_SETMASK, [], [pid 6172] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6174] setpgid(0, 0 [pid 6172] <... futex resumed>) = 0 [pid 6175] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6174] <... setpgid resumed>) = 0 [pid 6172] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6174] write(3, "1000", 4) = 4 [pid 6174] close(3) = 0 executing program [pid 6174] write(1, "executing program\n", 18) = 18 [pid 6174] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6174] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6174] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6174] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6174] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6174] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6174] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6176 attached [pid 6176] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6174] <... clone3 resumed> => {parent_tid=[6176]}, 88) = 6176 [pid 6176] <... rseq resumed>) = 0 [pid 6174] rt_sigprocmask(SIG_SETMASK, [], [pid 6176] set_robust_list(0x7f51c74739a0, 24 [pid 6174] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6176] <... set_robust_list resumed>) = 0 [pid 6174] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6176] rt_sigprocmask(SIG_SETMASK, [], [pid 6174] <... futex resumed>) = 0 [pid 6176] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6174] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6176] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6172] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6174] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6174] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6169] <... unshare resumed>) = 0 [pid 6169] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6166] exit_group(0 [pid 6169] <... futex resumed>) = ? [pid 6166] <... exit_group resumed>) = ? [pid 6169] +++ exited with 0 +++ [pid 6166] +++ exited with 0 +++ [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6166, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5817] restart_syscall(<... resuming interrupted clone ...> [pid 6167] <... unshare resumed>) = 0 [pid 6167] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6167] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6163] exit_group(0 [pid 6167] <... futex resumed>) = ? [pid 6163] <... exit_group resumed>) = ? [pid 6167] +++ exited with 0 +++ [pid 6163] +++ exited with 0 +++ [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6163, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5825] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5817] <... restart_syscall resumed>) = 0 [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6179 attached [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6179] set_robust_list(0x55557b9646a0, 24) = 0 [pid 5817] <... clone resumed>, child_tidptr=0x55557b964690) = 6181 [pid 6179] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5825] <... clone resumed>, child_tidptr=0x55557b964690) = 6179 [pid 6179] setpgid(0, 0./strace-static-x86_64: Process 6181 attached ) = 0 [pid 6179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6170] <... unshare resumed>) = 0 [pid 6181] set_robust_list(0x55557b9646a0, 24 [pid 6179] write(3, "1000", 4 [pid 6170] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] <... set_robust_list resumed>) = 0 [pid 6170] <... futex resumed>) = 0 [pid 6168] exit_group(0 [pid 6179] <... write resumed>) = 4 [pid 6168] <... exit_group resumed>) = ? [pid 6181] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6179] close(3 [pid 6181] setpgid(0, 0 [pid 6179] <... close resumed>) = 0 [pid 6181] <... setpgid resumed>) = 0 executing program [pid 6181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6179] write(1, "executing program\n", 18 [pid 6181] <... openat resumed>) = 3 [pid 6179] <... write resumed>) = 18 [pid 6170] +++ exited with 0 +++ [pid 6168] +++ exited with 0 +++ [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6168, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6181] write(3, "1000", 4 [pid 6179] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] <... write resumed>) = 4 [pid 6179] <... futex resumed>) = 0 [pid 6181] close(3 [pid 6179] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6181] <... close resumed>) = 0 [pid 6179] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6179] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6181] write(1, "executing program\n", 18 [pid 6179] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program ./strace-static-x86_64: Process 6182 attached [pid 6181] <... write resumed>) = 18 [pid 6179] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6182] set_robust_list(0x55557b9646a0, 24 [pid 5822] <... clone resumed>, child_tidptr=0x55557b964690) = 6182 [pid 6182] <... set_robust_list resumed>) = 0 [pid 6181] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] <... mmap resumed>) = 0x7f51c7453000 [pid 6182] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6181] <... futex resumed>) = 0 [pid 6179] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6181] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6182] <... prctl resumed>) = 0 [pid 6181] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6179] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6181] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6179] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6181] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6181] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6182] setpgid(0, 0 [pid 6181] <... mmap resumed>) = 0x7f51c7453000 [pid 6179] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6182] <... setpgid resumed>) = 0 [pid 6182] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6182] write(3, "1000", 4) = 4 ./strace-static-x86_64: Process 6183 attached [pid 6181] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6182] close(3 [pid 6181] <... mprotect resumed>) = 0 [pid 6179] <... clone3 resumed> => {parent_tid=[6183]}, 88) = 6183 [pid 6183] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6182] <... close resumed>) = 0 [pid 6181] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6179] rt_sigprocmask(SIG_SETMASK, [], executing program [pid 6183] <... rseq resumed>) = 0 [pid 6182] write(1, "executing program\n", 18 [pid 6181] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6179] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6183] set_robust_list(0x7f51c74739a0, 24 [pid 6182] <... write resumed>) = 18 [pid 6181] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6179] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6184 attached [pid 6183] <... set_robust_list resumed>) = 0 [pid 6182] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] <... futex resumed>) = 0 [pid 6183] rt_sigprocmask(SIG_SETMASK, [], [pid 6182] <... futex resumed>) = 0 [pid 6181] <... clone3 resumed> => {parent_tid=[6184]}, 88) = 6184 [pid 6179] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6184] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6183] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6182] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6181] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6181] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6181] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6183] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6182] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6182] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6182] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6184] <... rseq resumed>) = 0 [pid 6182] <... mmap resumed>) = 0x7f51c7453000 [pid 6184] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 6184] rt_sigprocmask(SIG_SETMASK, [], [pid 6182] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6184] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6184] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6182] <... mprotect resumed>) = 0 [pid 6182] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6182] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6185 attached [pid 6185] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6182] <... clone3 resumed> => {parent_tid=[6185]}, 88) = 6185 [pid 6185] <... rseq resumed>) = 0 [pid 6182] rt_sigprocmask(SIG_SETMASK, [], [pid 6185] set_robust_list(0x7f51c74739a0, 24 [pid 6182] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6185] <... set_robust_list resumed>) = 0 [pid 6182] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6182] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6185] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6185] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6175] <... unshare resumed>) = 0 [pid 6175] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6175] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6172] exit_group(0 [pid 6175] <... futex resumed>) = ? [pid 6172] <... exit_group resumed>) = ? [pid 6175] +++ exited with 0 +++ [pid 6172] +++ exited with 0 +++ [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6172, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5818] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557b964690) = 6188 ./strace-static-x86_64: Process 6188 attached [pid 6188] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6179] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6188] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6181] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6176] <... unshare resumed>) = 0 [pid 6176] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] <... prctl resumed>) = 0 [pid 6188] setpgid(0, 0) = 0 [pid 6174] exit_group(0) = ? [pid 6188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6176] <... futex resumed>) = ? [pid 6188] write(3, "1000", 4 [pid 6176] +++ exited with 0 +++ [pid 6174] +++ exited with 0 +++ [pid 6188] <... write resumed>) = 4 [pid 6188] close(3) = 0 [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6174, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5820] restart_syscall(<... resuming interrupted clone ...>executing program [pid 6188] write(1, "executing program\n", 18 [pid 6182] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5820] <... restart_syscall resumed>) = 0 [pid 6188] <... write resumed>) = 18 [pid 6188] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6189 attached [pid 6188] <... futex resumed>) = 0 [pid 6189] set_robust_list(0x55557b9646a0, 24 [pid 6188] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6189] <... set_robust_list resumed>) = 0 [pid 6188] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6189] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6188] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6189] <... prctl resumed>) = 0 [pid 6188] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5820] <... clone resumed>, child_tidptr=0x55557b964690) = 6189 [pid 6188] <... mmap resumed>) = 0x7f51c7453000 [pid 6188] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6189] setpgid(0, 0) = 0 [pid 6188] <... mprotect resumed>) = 0 [pid 6189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6188] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6189] <... openat resumed>) = 3 [pid 6188] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6189] write(3, "1000", 4) = 4 ./strace-static-x86_64: Process 6190 attached [pid 6189] close(3 [pid 6188] <... clone3 resumed> => {parent_tid=[6190]}, 88) = 6190 [pid 6190] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6189] <... close resumed>) = 0 [pid 6188] rt_sigprocmask(SIG_SETMASK, [], executing program [pid 6190] <... rseq resumed>) = 0 [pid 6189] write(1, "executing program\n", 18 [pid 6188] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6189] <... write resumed>) = 18 [pid 6188] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] <... futex resumed>) = 0 [pid 6189] <... futex resumed>) = 0 [pid 6188] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6189] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6189] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6189] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6189] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6190] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 6190] rt_sigprocmask(SIG_SETMASK, [], [pid 6189] <... mprotect resumed>) = 0 [pid 6190] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6190] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6189] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6185] <... unshare resumed>) = 0 [pid 6189] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6185] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6182] exit_group(0./strace-static-x86_64: Process 6192 attached ) = ? [pid 6185] <... futex resumed>) = ? [pid 6189] <... clone3 resumed> => {parent_tid=[6192]}, 88) = 6192 [pid 6183] <... unshare resumed>) = 0 [pid 6192] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6189] rt_sigprocmask(SIG_SETMASK, [], [pid 6185] +++ exited with 0 +++ [pid 6182] +++ exited with 0 +++ [pid 6189] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6182, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6183] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] exit_group(0) = ? [pid 6192] <... rseq resumed>) = 0 [pid 6192] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 6192] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6192] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6183] <... futex resumed>) = ? [pid 6189] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6183] +++ exited with 0 +++ [pid 6179] +++ exited with 0 +++ [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6192] <... futex resumed>) = 0 [pid 6189] <... futex resumed>) = 1 [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6179, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6189] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5825] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6194 attached [pid 6192] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6194] set_robust_list(0x55557b9646a0, 24) = 0 [pid 5822] <... clone resumed>, child_tidptr=0x55557b964690) = 6194 [pid 6194] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6194] setpgid(0, 0 [pid 5825] <... restart_syscall resumed>) = 0 [pid 6194] <... setpgid resumed>) = 0 [pid 6194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6194] write(3, "1000", 4executing program ) = 4 [pid 6194] close(3 [pid 5825] <... clone resumed>, child_tidptr=0x55557b964690) = 6195 [pid 6194] <... close resumed>) = 0 ./strace-static-x86_64: Process 6195 attached [pid 6194] write(1, "executing program\n", 18) = 18 [pid 6194] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6195] set_robust_list(0x55557b9646a0, 24 [pid 6194] <... futex resumed>) = 0 [pid 6194] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6195] <... set_robust_list resumed>) = 0 [pid 6194] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6194] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6195] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6194] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6195] setpgid(0, 0 [pid 6194] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6195] <... setpgid resumed>) = 0 [pid 6194] <... mprotect resumed>) = 0 [pid 6195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6194] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6195] <... openat resumed>) = 3 [pid 6194] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6195] write(3, "1000", 4 [pid 6194] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6195] <... write resumed>) = 4 [pid 6195] close(3 [pid 6194] <... clone3 resumed> => {parent_tid=[6196]}, 88) = 6196 [pid 6195] <... close resumed>) = 0 executing program [pid 6195] write(1, "executing program\n", 18 [pid 6194] rt_sigprocmask(SIG_SETMASK, [], [pid 6195] <... write resumed>) = 18 [pid 6195] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6194] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6196 attached [pid 6196] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6195] <... futex resumed>) = 0 [pid 6194] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6196] <... rseq resumed>) = 0 [pid 6196] set_robust_list(0x7f51c74739a0, 24 [pid 6195] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6194] <... futex resumed>) = 0 [pid 6196] <... set_robust_list resumed>) = 0 [pid 6196] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6196] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6195] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6194] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6195] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6195] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6195] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6195] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6195] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6197 attached => {parent_tid=[6197]}, 88) = 6197 [pid 6195] rt_sigprocmask(SIG_SETMASK, [], [pid 6197] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053) = 0 [pid 6195] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6195] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6197] set_robust_list(0x7f51c74739a0, 24 [pid 6195] <... futex resumed>) = 0 [pid 6195] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6197] <... set_robust_list resumed>) = 0 [pid 6184] <... unshare resumed>) = 0 [pid 6197] rt_sigprocmask(SIG_SETMASK, [], [pid 6184] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6197] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6194] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6184] <... futex resumed>) = 0 [pid 6197] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6181] exit_group(0 [pid 6184] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 6181] <... exit_group resumed>) = ? [pid 6184] +++ exited with 0 +++ [pid 6181] +++ exited with 0 +++ [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6181, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5817] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6199 attached , child_tidptr=0x55557b964690) = 6199 [pid 6199] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6199] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6199] setpgid(0, 0) = 0 [pid 6195] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6190] <... unshare resumed>) = 0 [pid 6199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6190] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6199] <... openat resumed>) = 3 [pid 6190] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6199] write(3, "1000", 4 [pid 6188] exit_group(0 [pid 6199] <... write resumed>) = 4 [pid 6199] close(3 [pid 6190] <... futex resumed>) = ? [pid 6188] <... exit_group resumed>) = ? [pid 6190] +++ exited with 0 +++ [pid 6199] <... close resumed>) = 0 [pid 6188] +++ exited with 0 +++ executing program [pid 6199] write(1, "executing program\n", 18 [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6188, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6199] <... write resumed>) = 18 [pid 6199] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6201 attached [pid 6199] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5818] <... clone resumed>, child_tidptr=0x55557b964690) = 6201 [pid 6199] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6199] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6199] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6199] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6199] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6199] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6202 attached => {parent_tid=[6202]}, 88) = 6202 [pid 6199] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6199] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6199] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6202] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053) = 0 [pid 6202] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 6202] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6202] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6201] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6201] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6201] setpgid(0, 0) = 0 [pid 6201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6201] write(3, "1000", 4) = 4 [pid 6201] close(3) = 0 executing program [pid 6201] write(1, "executing program\n", 18) = 18 [pid 6201] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6201] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6201] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6201] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6201] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6201] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6201] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} => {parent_tid=[6203]}, 88) = 6203 [pid 6201] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6201] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6201] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6203 attached [pid 6203] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053) = 0 [pid 6203] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 6203] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6203] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6192] <... unshare resumed>) = 0 [pid 6199] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6192] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] exit_group(0 [pid 6192] <... futex resumed>) = ? [pid 6189] <... exit_group resumed>) = ? [pid 6197] <... unshare resumed>) = 0 [pid 6196] <... unshare resumed>) = 0 [pid 6192] +++ exited with 0 +++ [pid 6189] +++ exited with 0 +++ [pid 6197] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6196] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6197] <... futex resumed>) = 0 [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6189, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6195] exit_group(0 [pid 6194] exit_group(0) = ? [pid 6195] <... exit_group resumed>) = ? [pid 6196] <... futex resumed>) = ? [pid 6197] +++ exited with 0 +++ [pid 6196] +++ exited with 0 +++ [pid 6195] +++ exited with 0 +++ [pid 6194] +++ exited with 0 +++ [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6195, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6194, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6207 attached ./strace-static-x86_64: Process 6208 attached [pid 6201] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5822] <... clone resumed>, child_tidptr=0x55557b964690) = 6207 executing program executing program [pid 5820] <... clone resumed>, child_tidptr=0x55557b964690) = 6208 [pid 6208] set_robust_list(0x55557b9646a0, 24 [pid 6207] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6207] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6208] <... set_robust_list resumed>) = 0 [pid 6208] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6207] <... prctl resumed>) = 0 [pid 6208] <... prctl resumed>) = 0 [pid 6208] setpgid(0, 0) = 0 [pid 6208] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6207] setpgid(0, 0) = 0 [pid 6208] <... openat resumed>) = 3 [pid 6208] write(3, "1000", 4 [pid 6207] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6208] <... write resumed>) = 4 [pid 6207] <... openat resumed>) = 3 [pid 6208] close(3 [pid 6207] write(3, "1000", 4 [pid 6208] <... close resumed>) = 0 [pid 6207] <... write resumed>) = 4 [pid 6208] write(1, "executing program\n", 18 [pid 6207] close(3 [pid 6208] <... write resumed>) = 18 [pid 6207] <... close resumed>) = 0 [pid 6208] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6207] write(1, "executing program\n", 18 [pid 6208] <... futex resumed>) = 0 [pid 6208] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6207] <... write resumed>) = 18 [pid 6207] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6207] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6208] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6207] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6208] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6207] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6208] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6207] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6207] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6208] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6207] <... mmap resumed>) = 0x7f51c7453000 [pid 6208] <... mmap resumed>) = 0x7f51c7453000 [pid 6202] <... unshare resumed>) = 0 [pid 6208] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6202] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6208] <... mprotect resumed>) = 0 [pid 6202] <... futex resumed>) = 0 [pid 6208] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6207] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6202] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6199] exit_group(0./strace-static-x86_64: Process 6211 attached [pid 6208] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6207] <... mprotect resumed>) = 0 [pid 6203] <... unshare resumed>) = 0 [pid 6202] <... futex resumed>) = ? [pid 6199] <... exit_group resumed>) = ? [pid 6211] set_robust_list(0x55557b9646a0, 24 [pid 6208] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6207] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6202] +++ exited with 0 +++ [pid 6199] +++ exited with 0 +++ [pid 5825] <... clone resumed>, child_tidptr=0x55557b964690) = 6211 ./strace-static-x86_64: Process 6212 attached [pid 6211] <... set_robust_list resumed>) = 0 [pid 6207] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6203] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6199, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6212] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6211] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6207] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6203] <... futex resumed>) = 0 [pid 5817] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6213 attached [pid 6211] <... prctl resumed>) = 0 [pid 6208] <... clone3 resumed> => {parent_tid=[6212]}, 88) = 6212 [pid 6203] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6213] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6211] setpgid(0, 0 [pid 6208] rt_sigprocmask(SIG_SETMASK, [], [pid 6207] <... clone3 resumed> => {parent_tid=[6213]}, 88) = 6213 [pid 6201] exit_group(0 [pid 6213] <... rseq resumed>) = 0 [pid 6211] <... setpgid resumed>) = 0 [pid 6208] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6207] rt_sigprocmask(SIG_SETMASK, [], [pid 6203] <... futex resumed>) = ? [pid 6201] <... exit_group resumed>) = ? [pid 5817] <... restart_syscall resumed>) = 0 [pid 6213] set_robust_list(0x7f51c74739a0, 24 [pid 6212] <... rseq resumed>) = 0 [pid 6211] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6208] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6207] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6203] +++ exited with 0 +++ [pid 6201] +++ exited with 0 +++ [pid 6213] <... set_robust_list resumed>) = 0 [pid 6212] set_robust_list(0x7f51c74739a0, 24 [pid 6207] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6201, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6213] rt_sigprocmask(SIG_SETMASK, [], [pid 6212] <... set_robust_list resumed>) = 0 [pid 6211] <... openat resumed>) = 3 [pid 6208] <... futex resumed>) = 0 [pid 6207] <... futex resumed>) = 0 [pid 5818] restart_syscall(<... resuming interrupted clone ...> [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6214 attached [pid 6213] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6212] rt_sigprocmask(SIG_SETMASK, [], [pid 6208] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6207] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5818] <... restart_syscall resumed>) = 0 [pid 6214] set_robust_list(0x55557b9646a0, 24 [pid 6213] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6212] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6211] write(3, "1000", 4 [pid 5817] <... clone resumed>, child_tidptr=0x55557b964690) = 6214 [pid 6212] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6214] <... set_robust_list resumed>) = 0 [pid 6211] <... write resumed>) = 4 [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD executing program [pid 6211] close(3) = 0 ./strace-static-x86_64: Process 6215 attached [pid 6214] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6211] write(1, "executing program\n", 18 [pid 6214] <... prctl resumed>) = 0 [pid 6211] <... write resumed>) = 18 [pid 5818] <... clone resumed>, child_tidptr=0x55557b964690) = 6215 [pid 6215] set_robust_list(0x55557b9646a0, 24 [pid 6214] setpgid(0, 0 [pid 6211] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6215] <... set_robust_list resumed>) = 0 [pid 6214] <... setpgid resumed>) = 0 [pid 6211] <... futex resumed>) = 0 [pid 6215] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6211] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6215] setpgid(0, 0 [pid 6214] <... openat resumed>) = 3 [pid 6211] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6214] write(3, "1000", 4 [pid 6215] <... setpgid resumed>) = 0 [pid 6214] <... write resumed>) = 4 [pid 6211] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6215] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6214] close(3 [pid 6211] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6214] <... close resumed>) = 0 [pid 6211] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6214] write(1, "executing program\n", 18 [pid 6211] <... mmap resumed>) = 0x7f51c7453000 executing program [pid 6215] <... openat resumed>) = 3 [pid 6211] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6214] <... write resumed>) = 18 [pid 6211] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6214] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6215] write(3, "1000", 4 [pid 6214] <... futex resumed>) = 0 [pid 6215] <... write resumed>) = 4 [pid 6214] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6211] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6214] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6214] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6215] close(3 [pid 6211] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6216 attached [pid 6215] <... close resumed>) = 0 executing program [pid 6215] write(1, "executing program\n", 18 [pid 6211] <... clone3 resumed> => {parent_tid=[6216]}, 88) = 6216 [pid 6216] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6215] <... write resumed>) = 18 [pid 6211] rt_sigprocmask(SIG_SETMASK, [], [pid 6216] <... rseq resumed>) = 0 [pid 6215] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6211] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6216] set_robust_list(0x7f51c74739a0, 24 [pid 6215] <... futex resumed>) = 0 [pid 6211] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6216] <... set_robust_list resumed>) = 0 [pid 6215] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6211] <... futex resumed>) = 0 [pid 6216] rt_sigprocmask(SIG_SETMASK, [], [pid 6215] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6211] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6216] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6215] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6216] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6215] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6215] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6214] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6215] <... mmap resumed>) = 0x7f51c7453000 [pid 6214] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6215] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6214] <... mmap resumed>) = 0x7f51c7453000 [pid 6215] <... mprotect resumed>) = 0 [pid 6214] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6215] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6214] <... mprotect resumed>) = 0 [pid 6215] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6214] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6214] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6217 attached [pid 6215] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6218 attached [pid 6214] <... clone3 resumed> => {parent_tid=[6217]}, 88) = 6217 [pid 6217] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6215] <... clone3 resumed> => {parent_tid=[6218]}, 88) = 6218 [pid 6208] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6207] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6218] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6217] <... rseq resumed>) = 0 [pid 6215] rt_sigprocmask(SIG_SETMASK, [], [pid 6214] rt_sigprocmask(SIG_SETMASK, [], [pid 6218] <... rseq resumed>) = 0 [pid 6214] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6218] set_robust_list(0x7f51c74739a0, 24 [pid 6214] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] <... set_robust_list resumed>) = 0 [pid 6214] <... futex resumed>) = 0 [pid 6218] rt_sigprocmask(SIG_SETMASK, [], [pid 6214] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6218] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6218] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6217] set_robust_list(0x7f51c74739a0, 24 [pid 6215] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6217] <... set_robust_list resumed>) = 0 [pid 6215] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] <... futex resumed>) = 0 [pid 6217] rt_sigprocmask(SIG_SETMASK, [], [pid 6215] <... futex resumed>) = 1 [pid 6218] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6217] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6215] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6217] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6211] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6214] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6215] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6212] <... unshare resumed>) = 0 [pid 6212] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6212] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6208] exit_group(0 [pid 6212] <... futex resumed>) = ? [pid 6208] <... exit_group resumed>) = ? [pid 6212] +++ exited with 0 +++ [pid 6208] +++ exited with 0 +++ [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6208, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5820] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6220 attached [pid 6220] set_robust_list(0x55557b9646a0, 24 [pid 6216] <... unshare resumed>) = 0 [pid 6220] <... set_robust_list resumed>) = 0 [pid 5820] <... clone resumed>, child_tidptr=0x55557b964690) = 6220 [pid 6220] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6216] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6211] exit_group(0 [pid 6220] <... prctl resumed>) = 0 [pid 6211] <... exit_group resumed>) = ? [pid 6220] setpgid(0, 0) = 0 [pid 6220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6216] <... futex resumed>) = ? [pid 6220] <... openat resumed>) = 3 [pid 6216] +++ exited with 0 +++ [pid 6213] <... unshare resumed>) = 0 [pid 6211] +++ exited with 0 +++ [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6211, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5825] restart_syscall(<... resuming interrupted clone ...> [pid 6220] write(3, "1000", 4 [pid 6213] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6220] <... write resumed>) = 4 [pid 6213] <... futex resumed>) = 0 [pid 6220] close(3 [pid 6213] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6207] exit_group(0 [pid 6220] <... close resumed>) = 0 [pid 6207] <... exit_group resumed>) = ? [pid 6220] write(1, "executing program\n", 18 [pid 6213] <... futex resumed>) = ? executing program [pid 6220] <... write resumed>) = 18 [pid 5825] <... restart_syscall resumed>) = 0 [pid 6220] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6220] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6220] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6213] +++ exited with 0 +++ [pid 6207] +++ exited with 0 +++ [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6220] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6220] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6217] <... unshare resumed>) = 0 ./strace-static-x86_64: Process 6225 attached [pid 6220] <... mmap resumed>) = 0x7f51c7453000 [pid 6218] <... unshare resumed>) = 0 [pid 6217] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6207, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6225] set_robust_list(0x55557b9646a0, 24 [pid 6220] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5825] <... clone resumed>, child_tidptr=0x55557b964690) = 6225 [pid 5822] restart_syscall(<... resuming interrupted clone ...> [pid 6218] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6217] <... futex resumed>) = 0 [pid 6218] <... futex resumed>) = 0 [pid 6217] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5822] <... restart_syscall resumed>) = 0 [pid 6225] <... set_robust_list resumed>) = 0 [pid 6220] <... mprotect resumed>) = 0 [pid 6218] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6225] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6214] exit_group(0 [pid 6217] <... futex resumed>) = ? [pid 6214] <... exit_group resumed>) = ? [pid 6220] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6225] <... prctl resumed>) = 0 [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6225] setpgid(0, 0 [pid 6217] +++ exited with 0 +++ [pid 6214] +++ exited with 0 +++ [pid 6220] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6215] exit_group(0 [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6214, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6220] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6225] <... setpgid resumed>) = 0 [pid 6215] <... exit_group resumed>) = ? [pid 5817] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6226 attached [pid 6218] <... futex resumed>) = ? [pid 6218] +++ exited with 0 +++ ./strace-static-x86_64: Process 6227 attached [pid 6226] set_robust_list(0x55557b9646a0, 24 [pid 6225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6220] <... clone3 resumed> => {parent_tid=[6227]}, 88) = 6227 [pid 6215] +++ exited with 0 +++ [pid 5822] <... clone resumed>, child_tidptr=0x55557b964690) = 6226 [pid 5817] <... restart_syscall resumed>) = 0 [pid 6226] <... set_robust_list resumed>) = 0 [pid 6220] rt_sigprocmask(SIG_SETMASK, [], [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6215, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6227] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6226] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6227] <... rseq resumed>) = 0 [pid 6226] <... prctl resumed>) = 0 [pid 6225] <... openat resumed>) = 3 [pid 6220] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6227] set_robust_list(0x7f51c74739a0, 24 [pid 6226] setpgid(0, 0 [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6227] <... set_robust_list resumed>) = 0 [pid 6226] <... setpgid resumed>) = 0 [pid 6225] write(3, "1000", 4 [pid 6220] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6228 attached [pid 6227] rt_sigprocmask(SIG_SETMASK, [], [pid 6226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6220] <... futex resumed>) = 0 [pid 5818] <... clone resumed>, child_tidptr=0x55557b964690) = 6228 [pid 6227] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6226] <... openat resumed>) = 3 [pid 6220] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 6228] set_robust_list(0x55557b9646a0, 24./strace-static-x86_64: Process 6229 attached [pid 6227] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6226] write(3, "1000", 4 [pid 6225] <... write resumed>) = 4 [pid 6229] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6225] close(3 [pid 6228] <... set_robust_list resumed>) = 0 [pid 6225] <... close resumed>) = 0 [pid 5817] <... clone resumed>, child_tidptr=0x55557b964690) = 6229 [pid 6229] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6228] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6226] <... write resumed>) = 4 [pid 6225] write(1, "executing program\n", 18 [pid 6229] <... prctl resumed>) = 0 [pid 6228] <... prctl resumed>) = 0 [pid 6225] <... write resumed>) = 18 [pid 6226] close(3 [pid 6229] setpgid(0, 0 [pid 6228] setpgid(0, 0 [pid 6225] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6229] <... setpgid resumed>) = 0 [pid 6228] <... setpgid resumed>) = 0 [pid 6226] <... close resumed>) = 0 [pid 6225] <... futex resumed>) = 0 [pid 6229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6225] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, executing program [pid 6229] <... openat resumed>) = 3 [pid 6226] write(1, "executing program\n", 18 [pid 6225] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6229] write(3, "1000", 4 [pid 6226] <... write resumed>) = 18 [pid 6229] <... write resumed>) = 4 [pid 6229] close(3 [pid 6228] <... openat resumed>) = 3 [pid 6225] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6225] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6228] write(3, "1000", 4 [pid 6225] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6228] <... write resumed>) = 4 [pid 6228] close(3executing program [pid 6225] <... mprotect resumed>) = 0 [pid 6228] <... close resumed>) = 0 [pid 6228] write(1, "executing program\n", 18) = 18 [pid 6229] <... close resumed>) = 0 [pid 6228] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6226] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6225] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6228] <... futex resumed>) = 0 [pid 6228] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6229] write(1, "executing program\n", 18executing program [pid 6228] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6226] <... futex resumed>) = 0 [pid 6225] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6229] <... write resumed>) = 18 [pid 6226] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6229] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6228] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6226] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6225] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6230 attached [pid 6229] <... futex resumed>) = 0 [pid 6228] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6226] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6229] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6228] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6226] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6225] <... clone3 resumed> => {parent_tid=[6230]}, 88) = 6230 [pid 6230] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6229] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6228] <... mmap resumed>) = 0x7f51c7453000 [pid 6226] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6225] rt_sigprocmask(SIG_SETMASK, [], [pid 6230] <... rseq resumed>) = 0 [pid 6229] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6226] <... mmap resumed>) = 0x7f51c7453000 [pid 6225] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6230] set_robust_list(0x7f51c74739a0, 24 [pid 6229] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6228] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6226] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6225] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6230] <... set_robust_list resumed>) = 0 [pid 6229] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6225] <... futex resumed>) = 0 [pid 6226] <... mprotect resumed>) = 0 [pid 6230] rt_sigprocmask(SIG_SETMASK, [], [pid 6229] <... mmap resumed>) = 0x7f51c7453000 [pid 6225] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6230] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6229] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6226] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6228] <... mprotect resumed>) = 0 [pid 6229] <... mprotect resumed>) = 0 [pid 6226] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6230] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6226] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6231 attached [pid 6229] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6228] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6229] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6228] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6226] <... clone3 resumed> => {parent_tid=[6231]}, 88) = 6231 [pid 6229] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6228] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6226] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6226] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 6233 attached ./strace-static-x86_64: Process 6232 attached [pid 6226] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6220] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6231] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6229] <... clone3 resumed> => {parent_tid=[6232]}, 88) = 6232 [pid 6228] <... clone3 resumed> => {parent_tid=[6233]}, 88) = 6233 [pid 6233] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6232] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6231] <... rseq resumed>) = 0 [pid 6229] rt_sigprocmask(SIG_SETMASK, [], [pid 6228] rt_sigprocmask(SIG_SETMASK, [], [pid 6229] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6228] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6229] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6228] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6229] <... futex resumed>) = 0 [pid 6228] <... futex resumed>) = 0 [pid 6233] <... rseq resumed>) = 0 [pid 6232] <... rseq resumed>) = 0 [pid 6231] set_robust_list(0x7f51c74739a0, 24 [pid 6229] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6228] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6233] set_robust_list(0x7f51c74739a0, 24 [pid 6231] <... set_robust_list resumed>) = 0 [pid 6233] <... set_robust_list resumed>) = 0 [pid 6232] set_robust_list(0x7f51c74739a0, 24 [pid 6231] rt_sigprocmask(SIG_SETMASK, [], [pid 6233] rt_sigprocmask(SIG_SETMASK, [], [pid 6232] <... set_robust_list resumed>) = 0 [pid 6231] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6233] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6232] rt_sigprocmask(SIG_SETMASK, [], [pid 6233] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6232] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6231] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6232] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6227] <... unshare resumed>) = 0 [pid 6227] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6220] exit_group(0 [pid 6227] <... futex resumed>) = 0 [pid 6227] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 6220] <... exit_group resumed>) = ? [pid 6227] +++ exited with 0 +++ [pid 6220] +++ exited with 0 +++ [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6220, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 6225] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5820] <... restart_syscall resumed>) = 0 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6235 attached [pid 6229] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6228] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6226] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5820] <... clone resumed>, child_tidptr=0x55557b964690) = 6235 [pid 6235] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6235] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6235] setpgid(0, 0) = 0 [pid 6235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6235] write(3, "1000", 4executing program ) = 4 [pid 6235] close(3) = 0 [pid 6235] write(1, "executing program\n", 18) = 18 [pid 6235] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6235] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6235] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6235] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6235] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6235] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6235] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6236 attached => {parent_tid=[6236]}, 88) = 6236 [pid 6235] rt_sigprocmask(SIG_SETMASK, [], [pid 6236] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6235] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6236] <... rseq resumed>) = 0 [pid 6235] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6236] set_robust_list(0x7f51c74739a0, 24 [pid 6235] <... futex resumed>) = 0 [pid 6236] <... set_robust_list resumed>) = 0 [pid 6235] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6236] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6236] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6235] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6230] <... unshare resumed>) = 0 [pid 6230] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6230] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6225] exit_group(0 [pid 6230] <... futex resumed>) = ? [pid 6225] <... exit_group resumed>) = ? [pid 6230] +++ exited with 0 +++ [pid 6225] +++ exited with 0 +++ [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6225, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5825] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557b964690) = 6238 ./strace-static-x86_64: Process 6238 attached [pid 6238] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6238] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6232] <... unshare resumed>) = 0 [pid 6231] <... unshare resumed>) = 0 [pid 6238] <... prctl resumed>) = 0 [pid 6233] <... unshare resumed>) = 0 [pid 6232] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6238] setpgid(0, 0 [pid 6233] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6232] <... futex resumed>) = 0 [pid 6231] <... futex resumed>) = 0 [pid 6226] exit_group(0 [pid 6238] <... setpgid resumed>) = 0 [pid 6233] <... futex resumed>) = 0 [pid 6232] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6226] <... exit_group resumed>) = ? [pid 6238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6231] +++ exited with 0 +++ [pid 6228] exit_group(0 [pid 6229] exit_group(0 [pid 6228] <... exit_group resumed>) = ? [pid 6229] <... exit_group resumed>) = ? [pid 6226] +++ exited with 0 +++ [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6226, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5822] restart_syscall(<... resuming interrupted clone ...> [pid 6232] <... futex resumed>) = ? [pid 6238] <... openat resumed>) = 3 [pid 6232] +++ exited with 0 +++ [pid 6229] +++ exited with 0 +++ [pid 6238] write(3, "1000", 4) = 4 [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6229, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5817] restart_syscall(<... resuming interrupted clone ...> [pid 6238] close(3) = 0 executing program [pid 6238] write(1, "executing program\n", 18) = 18 [pid 6233] +++ exited with 0 +++ [pid 6228] +++ exited with 0 +++ [pid 6238] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5822] <... restart_syscall resumed>) = 0 [pid 5817] <... restart_syscall resumed>) = 0 [pid 6238] <... futex resumed>) = 0 [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6228, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6238] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6238] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6242 attached [pid 6238] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6243 attached [pid 6242] set_robust_list(0x55557b9646a0, 24 [pid 6238] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6244 attached [pid 6243] set_robust_list(0x55557b9646a0, 24 [pid 6242] <... set_robust_list resumed>) = 0 [pid 6238] <... mmap resumed>) = 0x7f51c7453000 [pid 5822] <... clone resumed>, child_tidptr=0x55557b964690) = 6242 [pid 5817] <... clone resumed>, child_tidptr=0x55557b964690) = 6243 [pid 5818] <... clone resumed>, child_tidptr=0x55557b964690) = 6244 [pid 6243] <... set_robust_list resumed>) = 0 [pid 6238] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6244] set_robust_list(0x55557b9646a0, 24 [pid 6242] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6236] <... unshare resumed>) = 0 [pid 6242] <... prctl resumed>) = 0 [pid 6236] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6242] setpgid(0, 0 [pid 6236] <... futex resumed>) = 0 [pid 6242] <... setpgid resumed>) = 0 [pid 6236] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6242] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6244] <... set_robust_list resumed>) = 0 [pid 6243] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6242] <... openat resumed>) = 3 [pid 6238] <... mprotect resumed>) = 0 [pid 6235] exit_group(0 [pid 6244] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6243] <... prctl resumed>) = 0 [pid 6242] write(3, "1000", 4) = 4 [pid 6242] close(3executing program ) = 0 [pid 6242] write(1, "executing program\n", 18) = 18 [pid 6242] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6243] setpgid(0, 0 [pid 6242] <... futex resumed>) = 0 [pid 6244] <... prctl resumed>) = 0 [pid 6243] <... setpgid resumed>) = 0 [pid 6235] <... exit_group resumed>) = ? [pid 6242] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6238] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6236] <... futex resumed>) = ? [pid 6243] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6242] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6236] +++ exited with 0 +++ [pid 6242] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6242] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6244] setpgid(0, 0 [pid 6242] <... mmap resumed>) = 0x7f51c7453000 [pid 6242] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6244] <... setpgid resumed>) = 0 [pid 6243] <... openat resumed>) = 3 [pid 6242] <... mprotect resumed>) = 0 [pid 6238] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6235] +++ exited with 0 +++ [pid 6242] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6242] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6246 attached => {parent_tid=[6246]}, 88) = 6246 [pid 6242] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6246] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6242] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6246] <... rseq resumed>) = 0 [pid 6242] <... futex resumed>) = 0 [pid 6246] set_robust_list(0x7f51c74739a0, 24 [pid 6242] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6246] <... set_robust_list resumed>) = 0 [pid 6246] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6246] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6238] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}executing program executing program [pid 6244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6247 attached [pid 6243] write(3, "1000", 4 [pid 6238] <... clone3 resumed> => {parent_tid=[6247]}, 88) = 6247 [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6235, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6243] <... write resumed>) = 4 [pid 6244] <... openat resumed>) = 3 [pid 6238] rt_sigprocmask(SIG_SETMASK, [], [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 6243] close(3 [pid 6244] write(3, "1000", 4 [pid 6238] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6244] <... write resumed>) = 4 [pid 6243] <... close resumed>) = 0 [pid 6238] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6244] close(3 [pid 6243] write(1, "executing program\n", 18 [pid 6244] <... close resumed>) = 0 [pid 6238] <... futex resumed>) = 0 [pid 6244] write(1, "executing program\n", 18 [pid 6243] <... write resumed>) = 18 [pid 6244] <... write resumed>) = 18 [pid 6238] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6243] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6244] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6243] <... futex resumed>) = 0 [pid 6244] <... futex resumed>) = 0 [pid 6247] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6244] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6243] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5820] <... restart_syscall resumed>) = 0 [pid 6244] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6243] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6244] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6243] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6244] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6243] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6247] <... rseq resumed>) = 0 [pid 6244] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6247] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 6247] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6247] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6244] <... mmap resumed>) = 0x7f51c7453000 [pid 6243] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6248 attached [pid 6244] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6243] <... mmap resumed>) = 0x7f51c7453000 executing program [pid 6244] <... mprotect resumed>) = 0 [pid 6243] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5820] <... clone resumed>, child_tidptr=0x55557b964690) = 6248 [pid 6248] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6248] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6243] <... mprotect resumed>) = 0 [pid 6248] setpgid(0, 0 [pid 6244] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6248] <... setpgid resumed>) = 0 [pid 6243] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6248] write(3, "1000", 4) = 4 [pid 6248] close(3) = 0 [pid 6248] write(1, "executing program\n", 18) = 18 [pid 6248] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6248] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6248] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6248] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6248] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6243] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6244] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6243] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6248] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6249 attached [pid 6248] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6244] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6243] <... clone3 resumed> => {parent_tid=[6249]}, 88) = 6249 [pid 6248] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6248] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6251 attached ./strace-static-x86_64: Process 6250 attached [pid 6249] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6251] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6249] <... rseq resumed>) = 0 [pid 6248] <... clone3 resumed> => {parent_tid=[6251]}, 88) = 6251 [pid 6251] <... rseq resumed>) = 0 [pid 6250] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6249] set_robust_list(0x7f51c74739a0, 24 [pid 6244] <... clone3 resumed> => {parent_tid=[6250]}, 88) = 6250 [pid 6243] rt_sigprocmask(SIG_SETMASK, [], [pid 6248] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6248] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6248] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6251] set_robust_list(0x7f51c74739a0, 24 [pid 6250] <... rseq resumed>) = 0 [pid 6249] <... set_robust_list resumed>) = 0 [pid 6251] <... set_robust_list resumed>) = 0 [pid 6250] set_robust_list(0x7f51c74739a0, 24 [pid 6249] rt_sigprocmask(SIG_SETMASK, [], [pid 6251] rt_sigprocmask(SIG_SETMASK, [], [pid 6250] <... set_robust_list resumed>) = 0 [pid 6249] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6251] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6250] rt_sigprocmask(SIG_SETMASK, [], [pid 6249] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6250] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6251] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6250] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6244] rt_sigprocmask(SIG_SETMASK, [], [pid 6243] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6244] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6243] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6244] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] <... futex resumed>) = 0 [pid 6243] <... futex resumed>) = 1 [pid 6250] <... futex resumed>) = 0 [pid 6249] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6244] <... futex resumed>) = 1 [pid 6250] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6243] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6244] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6242] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6238] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6248] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6244] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6243] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6246] <... unshare resumed>) = 0 [pid 6246] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6246] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6242] exit_group(0 [pid 6246] <... futex resumed>) = ? [pid 6242] <... exit_group resumed>) = ? [pid 6246] +++ exited with 0 +++ [pid 6242] +++ exited with 0 +++ [pid 6247] <... unshare resumed>) = 0 [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6242, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6247] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5822] restart_syscall(<... resuming interrupted clone ...> [pid 6247] <... futex resumed>) = 0 [pid 5822] <... restart_syscall resumed>) = 0 [pid 6247] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6238] exit_group(0 [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6254 attached [pid 6238] <... exit_group resumed>) = ? [pid 5822] <... clone resumed>, child_tidptr=0x55557b964690) = 6254 [pid 6247] <... futex resumed>) = ? [pid 6254] set_robust_list(0x55557b9646a0, 24 [pid 6247] +++ exited with 0 +++ [pid 6238] +++ exited with 0 +++ [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6238, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5825] restart_syscall(<... resuming interrupted clone ...> [pid 6254] <... set_robust_list resumed>) = 0 [pid 6254] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5825] <... restart_syscall resumed>) = 0 [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6254] <... prctl resumed>) = 0 [pid 5825] <... clone resumed>, child_tidptr=0x55557b964690) = 6255 [pid 6254] setpgid(0, 0./strace-static-x86_64: Process 6255 attached ) = 0 [pid 6254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6255] set_robust_list(0x55557b9646a0, 24 [pid 6254] <... openat resumed>) = 3 [pid 6255] <... set_robust_list resumed>) = 0 [pid 6254] write(3, "1000", 4 [pid 6255] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6254] <... write resumed>) = 4 [pid 6254] close(3 [pid 6255] <... prctl resumed>) = 0 [pid 6254] <... close resumed>) = 0 [pid 6255] setpgid(0, 0 [pid 6254] write(1, "executing program\n", 18 [pid 6255] <... setpgid resumed>) = 0 executing program [pid 6255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6254] <... write resumed>) = 18 [pid 6254] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6255] <... openat resumed>) = 3 [pid 6255] write(3, "1000", 4 [pid 6254] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6255] <... write resumed>) = 4 [pid 6254] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6255] close(3 [pid 6254] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6255] <... close resumed>) = 0 [pid 6254] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0executing program [pid 6255] write(1, "executing program\n", 18 [pid 6254] <... mmap resumed>) = 0x7f51c7453000 [pid 6255] <... write resumed>) = 18 [pid 6254] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6255] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] <... mprotect resumed>) = 0 [pid 6254] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6255] <... futex resumed>) = 0 [pid 6254] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6255] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6254] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6256 attached => {parent_tid=[6256]}, 88) = 6256 [pid 6255] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6256] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6255] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6256] <... rseq resumed>) = 0 [pid 6255] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6254] rt_sigprocmask(SIG_SETMASK, [], [pid 6256] set_robust_list(0x7f51c74739a0, 24 [pid 6255] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6254] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6256] <... set_robust_list resumed>) = 0 [pid 6255] <... mmap resumed>) = 0x7f51c7453000 [pid 6254] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] rt_sigprocmask(SIG_SETMASK, [], [pid 6255] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6254] <... futex resumed>) = 0 [pid 6256] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6255] <... mprotect resumed>) = 0 [pid 6254] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6256] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6255] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6255] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6257 attached => {parent_tid=[6257]}, 88) = 6257 [pid 6255] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6255] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6255] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6257] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053) = 0 [pid 6249] <... unshare resumed>) = 0 [pid 6257] set_robust_list(0x7f51c74739a0, 24 [pid 6249] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6257] <... set_robust_list resumed>) = 0 [pid 6249] <... futex resumed>) = 0 [pid 6257] rt_sigprocmask(SIG_SETMASK, [], [pid 6249] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6257] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6257] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6243] exit_group(0 [pid 6249] <... futex resumed>) = ? [pid 6243] <... exit_group resumed>) = ? [pid 6249] +++ exited with 0 +++ [pid 6243] +++ exited with 0 +++ [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6243, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557b964690) = 6259 ./strace-static-x86_64: Process 6259 attached [pid 6254] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6259] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6259] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6255] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6259] <... prctl resumed>) = 0 [pid 6259] setpgid(0, 0) = 0 [pid 6259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6259] write(3, "1000", 4) = 4 [pid 6259] close(3executing program ) = 0 [pid 6259] write(1, "executing program\n", 18) = 18 [pid 6259] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6259] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6259] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6250] <... unshare resumed>) = 0 [pid 6250] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6259] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6250] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6259] <... mmap resumed>) = 0x7f51c7453000 [pid 6251] <... unshare resumed>) = 0 [pid 6259] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6244] exit_group(0 [pid 6259] <... mprotect resumed>) = 0 [pid 6250] <... futex resumed>) = ? [pid 6244] <... exit_group resumed>) = ? [pid 6250] +++ exited with 0 +++ [pid 6251] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6259] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6251] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6248] exit_group(0 [pid 6251] <... futex resumed>) = ? [pid 6248] <... exit_group resumed>) = ? [pid 6244] +++ exited with 0 +++ [pid 6259] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6259] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6251] +++ exited with 0 +++ [pid 6248] +++ exited with 0 +++ [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6244, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6248, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5818] restart_syscall(<... resuming interrupted clone ...> [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 6259] <... clone3 resumed> => {parent_tid=[6262]}, 88) = 6262 [pid 6259] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6262 attached NULL, 8) = 0 [pid 5820] <... restart_syscall resumed>) = 0 [pid 5818] <... restart_syscall resumed>) = 0 [pid 6259] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6262] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6259] <... futex resumed>) = 0 [pid 6262] <... rseq resumed>) = 0 [pid 6259] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6256] <... unshare resumed>) = 0 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6262] set_robust_list(0x7f51c74739a0, 24 [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6262] <... set_robust_list resumed>) = 0 [pid 6262] rt_sigprocmask(SIG_SETMASK, [], [pid 5820] <... clone resumed>, child_tidptr=0x55557b964690) = 6264 ./strace-static-x86_64: Process 6264 attached [pid 6262] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6256] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6262] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6256] <... futex resumed>) = 0 [pid 6264] set_robust_list(0x55557b9646a0, 24 [pid 6256] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6265 attached [pid 6264] <... set_robust_list resumed>) = 0 [pid 6254] exit_group(0 [pid 6265] set_robust_list(0x55557b9646a0, 24 [pid 6264] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6256] <... futex resumed>) = ? [pid 6254] <... exit_group resumed>) = ? [pid 5818] <... clone resumed>, child_tidptr=0x55557b964690) = 6265 [pid 6265] <... set_robust_list resumed>) = 0 [pid 6256] +++ exited with 0 +++ [pid 6265] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6264] <... prctl resumed>) = 0 [pid 6265] <... prctl resumed>) = 0 [pid 6264] setpgid(0, 0 [pid 6254] +++ exited with 0 +++ [pid 6265] setpgid(0, 0 [pid 6264] <... setpgid resumed>) = 0 [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6254, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6265] <... setpgid resumed>) = 0 [pid 6265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6264] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6265] <... openat resumed>) = 3 [pid 6264] <... openat resumed>) = 3 [pid 6257] <... unshare resumed>) = 0 [pid 6257] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6265] write(3, "1000", 4 [pid 6264] write(3, "1000", 4 [pid 6257] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6255] exit_group(0 [pid 6265] <... write resumed>) = 4 [pid 6264] <... write resumed>) = 4 [pid 6257] <... futex resumed>) = ? [pid 6255] <... exit_group resumed>) = ? [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6267 attached [pid 6265] close(3 [pid 6264] close(3 [pid 6257] +++ exited with 0 +++ [pid 6255] +++ exited with 0 +++ [pid 6265] <... close resumed>) = 0 [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6255, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6267] set_robust_list(0x55557b9646a0, 24executing program executing program [pid 6265] write(1, "executing program\n", 18 [pid 5825] restart_syscall(<... resuming interrupted clone ...> [pid 6267] <... set_robust_list resumed>) = 0 [pid 6264] <... close resumed>) = 0 [pid 6259] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5822] <... clone resumed>, child_tidptr=0x55557b964690) = 6267 [pid 6267] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6265] <... write resumed>) = 18 [pid 6264] write(1, "executing program\n", 18 [pid 5825] <... restart_syscall resumed>) = 0 [pid 6267] <... prctl resumed>) = 0 [pid 6265] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6264] <... write resumed>) = 18 [pid 6267] setpgid(0, 0 [pid 6265] <... futex resumed>) = 0 [pid 6264] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] <... setpgid resumed>) = 0 [pid 6265] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6264] <... futex resumed>) = 0 [pid 6267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6265] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6264] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6267] <... openat resumed>) = 3 [pid 6265] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6264] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6267] write(3, "1000", 4 [pid 6265] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6264] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6267] <... write resumed>) = 4 [pid 6265] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6264] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6267] close(3 [pid 6264] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 6268 attached [pid 6267] <... close resumed>) = 0 [pid 6265] <... mmap resumed>) = 0x7f51c7453000 [pid 6264] <... mmap resumed>) = 0x7f51c7453000 [pid 6268] set_robust_list(0x55557b9646a0, 24 executing program [pid 6267] write(1, "executing program\n", 18 [pid 6265] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6262] <... unshare resumed>) = 0 [pid 6268] <... set_robust_list resumed>) = 0 [pid 6267] <... write resumed>) = 18 [pid 6265] <... mprotect resumed>) = 0 [pid 6264] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5825] <... clone resumed>, child_tidptr=0x55557b964690) = 6268 [pid 6267] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6262] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6268] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6267] <... futex resumed>) = 0 [pid 6265] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6264] <... mprotect resumed>) = 0 [pid 6259] exit_group(0 [pid 6268] <... prctl resumed>) = 0 [pid 6265] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6259] <... exit_group resumed>) = ? [pid 6268] setpgid(0, 0 [pid 6267] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6262] <... futex resumed>) = ? [pid 6265] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6268] <... setpgid resumed>) = 0 [pid 6267] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6270 attached [pid 6268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6264] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6270] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6267] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6265] <... clone3 resumed> => {parent_tid=[6270]}, 88) = 6270 [pid 6264] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6262] +++ exited with 0 +++ [pid 6259] +++ exited with 0 +++ [pid 6270] <... rseq resumed>) = 0 [pid 6268] <... openat resumed>) = 3 [pid 6267] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6265] rt_sigprocmask(SIG_SETMASK, [], [pid 6264] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6270] set_robust_list(0x7f51c74739a0, 24 [pid 6268] write(3, "1000", 4 [pid 6267] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6265] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6270] <... set_robust_list resumed>) = 0 [pid 6268] <... write resumed>) = 4 [pid 6265] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6270] rt_sigprocmask(SIG_SETMASK, [], [pid 6268] close(3 [pid 6265] <... futex resumed>) = 0 [pid 6270] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6265] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6270] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6267] <... mmap resumed>) = 0x7f51c7453000 [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6259, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6267] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6264] <... clone3 resumed> => {parent_tid=[6271]}, 88) = 6271 [pid 5817] restart_syscall(<... resuming interrupted clone ...> [pid 6267] <... mprotect resumed>) = 0 [pid 6264] rt_sigprocmask(SIG_SETMASK, [], [pid 6267] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6264] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6267] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6264] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6271 attached [pid 6267] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6264] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6272 attached [pid 6271] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6268] <... close resumed>) = 0 [pid 6264] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6267] <... clone3 resumed> => {parent_tid=[6272]}, 88) = 6272 executing program [pid 6271] <... rseq resumed>) = 0 [pid 6268] write(1, "executing program\n", 18 [pid 6271] set_robust_list(0x7f51c74739a0, 24 [pid 6268] <... write resumed>) = 18 [pid 6267] rt_sigprocmask(SIG_SETMASK, [], [pid 6272] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6271] <... set_robust_list resumed>) = 0 [pid 6268] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5817] <... restart_syscall resumed>) = 0 [pid 6272] <... rseq resumed>) = 0 [pid 6271] rt_sigprocmask(SIG_SETMASK, [], [pid 6268] <... futex resumed>) = 0 [pid 6272] set_robust_list(0x7f51c74739a0, 24 [pid 6271] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6271] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6268] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6272] <... set_robust_list resumed>) = 0 [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6273 attached [pid 6272] rt_sigprocmask(SIG_SETMASK, [], [pid 6268] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6267] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6267] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6267] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5817] <... clone resumed>, child_tidptr=0x55557b964690) = 6273 [pid 6273] set_robust_list(0x55557b9646a0, 24 [pid 6272] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6268] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6273] <... set_robust_list resumed>) = 0 [pid 6272] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6268] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6273] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6268] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6268] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6273] <... prctl resumed>) = 0 [pid 6265] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6273] setpgid(0, 0 [pid 6268] <... mprotect resumed>) = 0 [pid 6264] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6268] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6273] <... setpgid resumed>) = 0 [pid 6273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6268] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6268] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6274 attached [pid 6273] <... openat resumed>) = 3 [pid 6273] write(3, "1000", 4 [pid 6268] <... clone3 resumed> => {parent_tid=[6274]}, 88) = 6274 [pid 6268] rt_sigprocmask(SIG_SETMASK, [], [pid 6274] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6268] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6274] <... rseq resumed>) = 0 [pid 6273] <... write resumed>) = 4 [pid 6268] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6274] set_robust_list(0x7f51c74739a0, 24 [pid 6268] <... futex resumed>) = 0 [pid 6273] close(3 [pid 6274] <... set_robust_list resumed>) = 0 [pid 6273] <... close resumed>) = 0 [pid 6268] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6274] rt_sigprocmask(SIG_SETMASK, [], [pid 6273] write(1, "executing program\n", 18executing program [pid 6274] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6273] <... write resumed>) = 18 [pid 6273] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6274] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6273] <... futex resumed>) = 0 [pid 6273] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6267] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6273] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6273] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6270] <... unshare resumed>) = 0 [pid 6273] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6273] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6270] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6273] <... mprotect resumed>) = 0 [pid 6270] <... futex resumed>) = 0 [pid 6273] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6270] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6265] exit_group(0 [pid 6273] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6273] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6270] <... futex resumed>) = ? [pid 6265] <... exit_group resumed>) = ? [pid 6270] +++ exited with 0 +++ [pid 6273] <... clone3 resumed> => {parent_tid=[6276]}, 88) = 6276 ./strace-static-x86_64: Process 6276 attached [pid 6276] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6273] rt_sigprocmask(SIG_SETMASK, [], [pid 6276] <... rseq resumed>) = 0 [pid 6276] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 6276] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6276] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6265] +++ exited with 0 +++ [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6265, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5818] restart_syscall(<... resuming interrupted clone ...> [pid 6273] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6273] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6276] <... futex resumed>) = 0 [pid 6273] <... futex resumed>) = 1 [pid 6276] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6273] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5818] <... restart_syscall resumed>) = 0 [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6277 attached [pid 6277] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6277] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6277] setpgid(0, 0) = 0 [pid 5818] <... clone resumed>, child_tidptr=0x55557b964690) = 6277 [pid 6277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6277] write(3, "1000", 4) = 4 [pid 6277] close(3) = 0 executing program [pid 6277] write(1, "executing program\n", 18) = 18 [pid 6277] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6277] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6277] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6268] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6277] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6277] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6277] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6277] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6277] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6278 attached [pid 6278] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053) = 0 [pid 6277] <... clone3 resumed> => {parent_tid=[6278]}, 88) = 6278 [pid 6278] set_robust_list(0x7f51c74739a0, 24 [pid 6277] rt_sigprocmask(SIG_SETMASK, [], [pid 6278] <... set_robust_list resumed>) = 0 [pid 6277] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6278] rt_sigprocmask(SIG_SETMASK, [], [pid 6277] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6277] <... futex resumed>) = 0 [pid 6278] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6277] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6273] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6277] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6272] <... unshare resumed>) = 0 [pid 6272] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6271] <... unshare resumed>) = 0 [pid 6272] <... futex resumed>) = 0 [pid 6272] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6271] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] exit_group(0 [pid 6271] <... futex resumed>) = 0 [pid 6272] <... futex resumed>) = ? [pid 6271] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6267] <... exit_group resumed>) = ? [pid 6272] +++ exited with 0 +++ [pid 6264] exit_group(0 [pid 6267] +++ exited with 0 +++ [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6267, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5822] restart_syscall(<... resuming interrupted clone ...> [pid 6271] <... futex resumed>) = ? [pid 6264] <... exit_group resumed>) = ? [pid 6271] +++ exited with 0 +++ [pid 6264] +++ exited with 0 +++ [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6264, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 5822] <... restart_syscall resumed>) = 0 [pid 5820] <... restart_syscall resumed>) = 0 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6281 attached [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5820] <... clone resumed>, child_tidptr=0x55557b964690) = 6281 ./strace-static-x86_64: Process 6282 attached [pid 6281] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6282] set_robust_list(0x55557b9646a0, 24 [pid 6281] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5822] <... clone resumed>, child_tidptr=0x55557b964690) = 6282 [pid 6281] <... prctl resumed>) = 0 [pid 6281] setpgid(0, 0 [pid 6282] <... set_robust_list resumed>) = 0 [pid 6281] <... setpgid resumed>) = 0 [pid 6282] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6276] <... unshare resumed>) = 0 [pid 6282] setpgid(0, 0 [pid 6281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6276] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6282] <... setpgid resumed>) = 0 [pid 6281] <... openat resumed>) = 3 [pid 6276] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6273] exit_group(0 [pid 6281] write(3, "1000", 4 [pid 6282] <... openat resumed>) = 3 [pid 6282] write(3, "1000", 4) = 4 [pid 6281] <... write resumed>) = 4 [pid 6273] <... exit_group resumed>) = ? executing program [pid 6281] close(3) = 0 [pid 6281] write(1, "executing program\n", 18) = 18 [pid 6276] <... futex resumed>) = ? [pid 6282] close(3 [pid 6281] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6282] <... close resumed>) = 0 executing program [pid 6282] write(1, "executing program\n", 18) = 18 [pid 6281] <... futex resumed>) = 0 [pid 6276] +++ exited with 0 +++ [pid 6273] +++ exited with 0 +++ [pid 6282] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6281] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6282] <... futex resumed>) = 0 [pid 6281] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6273, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6282] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6281] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6282] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6281] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5817] restart_syscall(<... resuming interrupted clone ...> [pid 6281] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6282] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6281] <... mmap resumed>) = 0x7f51c7453000 [pid 6281] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6282] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6281] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6282] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6281] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5817] <... restart_syscall resumed>) = 0 [pid 6282] <... mmap resumed>) = 0x7f51c7453000 [pid 6281] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6285 attached [pid 6282] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6274] <... unshare resumed>) = 0 [pid 6285] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6282] <... mprotect resumed>) = 0 [pid 6281] <... clone3 resumed> => {parent_tid=[6285]}, 88) = 6285 [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6285] <... rseq resumed>) = 0 [pid 6282] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6281] rt_sigprocmask(SIG_SETMASK, [], [pid 6274] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6285] set_robust_list(0x7f51c74739a0, 24 [pid 6281] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6274] <... futex resumed>) = 0 [pid 6285] <... set_robust_list resumed>) = 0 [pid 6281] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6285] rt_sigprocmask(SIG_SETMASK, [], [pid 6281] <... futex resumed>) = 0 [pid 6274] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6286 attached [pid 6285] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6282] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6281] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6286] set_robust_list(0x55557b9646a0, 24 [pid 6285] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6282] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6268] exit_group(0 [pid 5817] <... clone resumed>, child_tidptr=0x55557b964690) = 6286 [pid 6286] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6287 attached [pid 6268] <... exit_group resumed>) = ? [pid 6282] <... clone3 resumed> => {parent_tid=[6287]}, 88) = 6287 [pid 6286] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6282] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6282] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6287] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6286] <... prctl resumed>) = 0 [pid 6282] <... futex resumed>) = 0 [pid 6274] <... futex resumed>) = ? [pid 6287] <... rseq resumed>) = 0 [pid 6286] setpgid(0, 0 [pid 6282] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6274] +++ exited with 0 +++ [pid 6268] +++ exited with 0 +++ [pid 6287] set_robust_list(0x7f51c74739a0, 24 [pid 6286] <... setpgid resumed>) = 0 [pid 6287] <... set_robust_list resumed>) = 0 [pid 6286] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6268, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6286] <... openat resumed>) = 3 [pid 6287] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6287] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNETexecuting program [pid 6286] write(3, "1000", 4 [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6286] <... write resumed>) = 4 [pid 6286] close(3) = 0 [pid 6286] write(1, "executing program\n", 18./strace-static-x86_64: Process 6289 attached ) = 18 [pid 6278] <... unshare resumed>) = 0 [pid 6289] set_robust_list(0x55557b9646a0, 24 [pid 6278] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] <... clone resumed>, child_tidptr=0x55557b964690) = 6289 [pid 6289] <... set_robust_list resumed>) = 0 [pid 6286] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] <... futex resumed>) = 0 [pid 6277] exit_group(0 [pid 6278] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6289] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6286] <... futex resumed>) = 0 [pid 6278] <... futex resumed>) = ? [pid 6277] <... exit_group resumed>) = ? [pid 6289] <... prctl resumed>) = 0 [pid 6286] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6286] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6286] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6286] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6286] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6278] +++ exited with 0 +++ [pid 6277] +++ exited with 0 +++ [pid 6286] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6286] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6289] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 6290 attached [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6277, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6286] <... clone3 resumed> => {parent_tid=[6290]}, 88) = 6290 [pid 6290] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5818] restart_syscall(<... resuming interrupted clone ...> [pid 6286] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6286] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6290] <... rseq resumed>) = 0 [pid 6286] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6290] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 6290] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6290] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5818] <... restart_syscall resumed>) = 0 [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6281] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 6291 attached [pid 6289] <... openat resumed>) = 3 [pid 6282] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5818] <... clone resumed>, child_tidptr=0x55557b964690) = 6291 [pid 6291] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6291] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6291] setpgid(0, 0) = 0 [pid 6291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6291] write(3, "1000", 4) = 4 [pid 6291] close(3) = 0 [pid 6291] write(1, "executing program\n", 18 [pid 6289] write(3, "1000", 4executing program [pid 6291] <... write resumed>) = 18 [pid 6291] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6291] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6291] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6291] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6291] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6291] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6289] <... write resumed>) = 4 [pid 6291] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6292 attached [pid 6289] close(3 [pid 6292] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6291] <... clone3 resumed> => {parent_tid=[6292]}, 88) = 6292 [pid 6292] <... rseq resumed>) = 0 [pid 6289] <... close resumed>) = 0 [pid 6291] rt_sigprocmask(SIG_SETMASK, [], [pid 6289] write(1, "executing program\n", 18executing program [pid 6292] set_robust_list(0x7f51c74739a0, 24 [pid 6291] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6289] <... write resumed>) = 18 [pid 6292] <... set_robust_list resumed>) = 0 [pid 6291] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6292] rt_sigprocmask(SIG_SETMASK, [], [pid 6289] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6292] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6291] <... futex resumed>) = 0 [pid 6292] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6291] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6289] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6286] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6289] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6289] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6289] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6289] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6289] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6293 attached [pid 6293] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6289] <... clone3 resumed> => {parent_tid=[6293]}, 88) = 6293 [pid 6293] <... rseq resumed>) = 0 [pid 6293] set_robust_list(0x7f51c74739a0, 24 [pid 6289] rt_sigprocmask(SIG_SETMASK, [], [pid 6293] <... set_robust_list resumed>) = 0 [pid 6293] rt_sigprocmask(SIG_SETMASK, [], [pid 6289] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6293] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6289] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6293] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6289] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6291] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6289] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6290] <... unshare resumed>) = 0 [pid 6290] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6286] exit_group(0 [pid 6290] <... futex resumed>) = ? [pid 6286] <... exit_group resumed>) = ? [pid 6290] +++ exited with 0 +++ [pid 6286] +++ exited with 0 +++ [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6286, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6295 attached [pid 6295] set_robust_list(0x55557b9646a0, 24 [pid 5817] <... clone resumed>, child_tidptr=0x55557b964690) = 6295 [pid 6295] <... set_robust_list resumed>) = 0 [pid 6295] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6295] setpgid(0, 0) = 0 [pid 6295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6285] <... unshare resumed>) = 0 [pid 6285] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6285] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6295] <... openat resumed>) = 3 [pid 6287] <... unshare resumed>) = 0 [pid 6295] write(3, "1000", 4) = 4 [pid 6281] exit_group(0) = ? [pid 6287] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6287] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6285] <... futex resumed>) = ? [pid 6285] +++ exited with 0 +++ [pid 6281] +++ exited with 0 +++ [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6281, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 6282] exit_group(0 [pid 6287] <... futex resumed>) = ? [pid 6282] <... exit_group resumed>) = ? [pid 6287] +++ exited with 0 +++ [pid 6282] +++ exited with 0 +++ [pid 6295] close(3 [pid 6293] <... unshare resumed>) = 0 [pid 6292] <... unshare resumed>) = 0 [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6282, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5820] <... restart_syscall resumed>) = 0 [pid 6292] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5822] restart_syscall(<... resuming interrupted clone ...> [pid 6293] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6292] <... futex resumed>) = 0 [pid 5822] <... restart_syscall resumed>) = 0 [pid 6295] <... close resumed>) = 0 [pid 6293] <... futex resumed>) = 0 [pid 6292] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6289] exit_group(0 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6291] exit_group(0 [pid 6289] <... exit_group resumed>) = ? executing program ./strace-static-x86_64: Process 6300 attached [pid 6295] write(1, "executing program\n", 18 [pid 6293] +++ exited with 0 +++ [pid 6292] <... futex resumed>) = ? [pid 6291] <... exit_group resumed>) = ? [pid 6289] +++ exited with 0 +++ [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5820] <... clone resumed>, child_tidptr=0x55557b964690) = 6300 [pid 6292] +++ exited with 0 +++ [pid 6291] +++ exited with 0 +++ [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6289, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6295] <... write resumed>) = 18 [pid 5825] restart_syscall(<... resuming interrupted clone ...> [pid 5822] <... clone resumed>, child_tidptr=0x55557b964690) = 6301 [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6291, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5818] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6301 attached [pid 6295] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6300] set_robust_list(0x55557b9646a0, 24 [pid 6295] <... futex resumed>) = 0 [pid 6301] set_robust_list(0x55557b9646a0, 24 [pid 6300] <... set_robust_list resumed>) = 0 [pid 6295] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6301] <... set_robust_list resumed>) = 0 [pid 6295] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6301] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6295] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6300] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6295] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6301] <... prctl resumed>) = 0 [pid 6301] setpgid(0, 0 [pid 6300] <... prctl resumed>) = 0 [pid 6295] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5825] <... restart_syscall resumed>) = 0 [pid 6301] <... setpgid resumed>) = 0 [pid 6300] setpgid(0, 0 [pid 6295] <... mmap resumed>) = 0x7f51c7453000 [pid 5818] <... restart_syscall resumed>) = 0 [pid 6301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6300] <... setpgid resumed>) = 0 [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6302 attached [pid 6301] <... openat resumed>) = 3 [pid 6300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5825] <... clone resumed>, child_tidptr=0x55557b964690) = 6302 [pid 6302] set_robust_list(0x55557b9646a0, 24 [pid 6301] write(3, "1000", 4 [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6302] <... set_robust_list resumed>) = 0 [pid 6301] <... write resumed>) = 4 [pid 6300] <... openat resumed>) = 3 [pid 6295] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6300] write(3, "1000", 4) = 4 [pid 6295] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6303 attached [pid 6302] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6301] close(3 [pid 6300] close(3 [pid 6295] rt_sigprocmask(SIG_BLOCK, ~[], executing program executing program [pid 6302] <... prctl resumed>) = 0 [pid 6300] <... close resumed>) = 0 [pid 6301] <... close resumed>) = 0 [pid 6300] write(1, "executing program\n", 18 [pid 6295] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6301] write(1, "executing program\n", 18 [pid 6302] setpgid(0, 0 [pid 6300] <... write resumed>) = 18 [pid 6301] <... write resumed>) = 18 [pid 5818] <... clone resumed>, child_tidptr=0x55557b964690) = 6303 [pid 6302] <... setpgid resumed>) = 0 [pid 6300] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6301] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6300] <... futex resumed>) = 0 [pid 6303] set_robust_list(0x55557b9646a0, 24 [pid 6295] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6304 attached [pid 6303] <... set_robust_list resumed>) = 0 [pid 6302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6301] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6300] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6304] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6303] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6295] <... clone3 resumed> => {parent_tid=[6304]}, 88) = 6304 [pid 6304] <... rseq resumed>) = 0 [pid 6303] <... prctl resumed>) = 0 [pid 6295] rt_sigprocmask(SIG_SETMASK, [], [pid 6304] set_robust_list(0x7f51c74739a0, 24 [pid 6303] setpgid(0, 0 [pid 6295] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6304] <... set_robust_list resumed>) = 0 [pid 6303] <... setpgid resumed>) = 0 [pid 6295] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6304] rt_sigprocmask(SIG_SETMASK, [], [pid 6303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6295] <... futex resumed>) = 0 [pid 6304] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6303] <... openat resumed>) = 3 [pid 6295] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6304] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6302] <... openat resumed>) = 3 [pid 6301] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6300] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6302] write(3, "1000", 4 [pid 6301] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6300] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6302] <... write resumed>) = 4 [pid 6301] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6300] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6301] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6303] write(3, "1000", 4 [pid 6301] <... mmap resumed>) = 0x7f51c7453000 [pid 6300] <... mmap resumed>) = 0x7f51c7453000 [pid 6301] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6300] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6303] <... write resumed>) = 4 [pid 6300] <... mprotect resumed>) = 0 [pid 6303] close(3 [pid 6301] <... mprotect resumed>) = 0 [pid 6303] <... close resumed>) = 0 [pid 6302] close(3 [pid 6300] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6303] write(1, "executing program\n", 18 [pid 6301] rt_sigprocmask(SIG_BLOCK, ~[], executing program [pid 6302] <... close resumed>) = 0 [pid 6300] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6301] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6303] <... write resumed>) = 18 [pid 6303] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6303] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6303] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6303] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6303] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6303] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6303] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6305 attached => {parent_tid=[6305]}, 88) = 6305 [pid 6303] rt_sigprocmask(SIG_SETMASK, [], [pid 6305] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6303] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6305] <... rseq resumed>) = 0 [pid 6303] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6305] set_robust_list(0x7f51c74739a0, 24 [pid 6301] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6300] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6305] <... set_robust_list resumed>) = 0 [pid 6303] <... futex resumed>) = 0 [pid 6305] rt_sigprocmask(SIG_SETMASK, [], [pid 6303] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program ./strace-static-x86_64: Process 6307 attached ./strace-static-x86_64: Process 6306 attached [pid 6305] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6302] write(1, "executing program\n", 18 [pid 6300] <... clone3 resumed> => {parent_tid=[6306]}, 88) = 6306 [pid 6305] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6302] <... write resumed>) = 18 [pid 6300] rt_sigprocmask(SIG_SETMASK, [], [pid 6307] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053) = 0 [pid 6306] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6302] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6301] <... clone3 resumed> => {parent_tid=[6307]}, 88) = 6307 [pid 6300] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6307] set_robust_list(0x7f51c74739a0, 24 [pid 6306] <... rseq resumed>) = 0 [pid 6302] <... futex resumed>) = 0 [pid 6301] rt_sigprocmask(SIG_SETMASK, [], [pid 6300] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6307] <... set_robust_list resumed>) = 0 [pid 6306] set_robust_list(0x7f51c74739a0, 24 [pid 6302] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6301] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6300] <... futex resumed>) = 0 [pid 6307] rt_sigprocmask(SIG_SETMASK, [], [pid 6306] <... set_robust_list resumed>) = 0 [pid 6302] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6301] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6300] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6306] rt_sigprocmask(SIG_SETMASK, [], [pid 6302] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6301] <... futex resumed>) = 0 [pid 6306] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6302] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6301] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6306] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6302] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6307] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6302] <... mmap resumed>) = 0x7f51c7453000 [pid 6302] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6307] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6302] <... mprotect resumed>) = 0 [pid 6302] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6302] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6308 attached [pid 6308] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6302] <... clone3 resumed> => {parent_tid=[6308]}, 88) = 6308 [pid 6308] <... rseq resumed>) = 0 [pid 6308] set_robust_list(0x7f51c74739a0, 24 [pid 6302] rt_sigprocmask(SIG_SETMASK, [], [pid 6308] <... set_robust_list resumed>) = 0 [pid 6308] rt_sigprocmask(SIG_SETMASK, [], [pid 6302] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6308] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6308] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6302] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6295] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6302] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6303] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6303] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6301] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6300] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6302] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6304] <... unshare resumed>) = 0 [pid 6306] <... unshare resumed>) = 0 [pid 6304] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6304] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6295] exit_group(0) = ? [pid 6307] <... unshare resumed>) = 0 [pid 6306] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6304] <... futex resumed>) = ? [pid 6306] <... futex resumed>) = 0 [pid 6304] +++ exited with 0 +++ [pid 6300] exit_group(0 [pid 6307] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6300] <... exit_group resumed>) = ? [pid 6307] <... futex resumed>) = 0 [pid 6306] +++ exited with 0 +++ [pid 6301] exit_group(0 [pid 6300] +++ exited with 0 +++ [pid 6307] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6300, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6307] <... futex resumed>) = ? [pid 6301] <... exit_group resumed>) = ? [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6307] +++ exited with 0 +++ ./strace-static-x86_64: Process 6312 attached [pid 6301] +++ exited with 0 +++ [pid 6295] +++ exited with 0 +++ [pid 5820] <... clone resumed>, child_tidptr=0x55557b964690) = 6312 [pid 6312] set_robust_list(0x55557b9646a0, 24) = 0 [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6295, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6312] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6301, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6312] setpgid(0, 0./strace-static-x86_64: Process 6313 attached ) = 0 [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5817] <... clone resumed>, child_tidptr=0x55557b964690) = 6313 [pid 6313] set_robust_list(0x55557b9646a0, 24 [pid 6312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6314 attached [pid 6313] <... set_robust_list resumed>) = 0 [pid 6312] <... openat resumed>) = 3 [pid 6314] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6313] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6312] write(3, "1000", 4 [pid 5822] <... clone resumed>, child_tidptr=0x55557b964690) = 6314 [pid 6314] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6313] <... prctl resumed>) = 0 [pid 6312] <... write resumed>) = 4 [pid 6314] <... prctl resumed>) = 0 [pid 6313] setpgid(0, 0 [pid 6312] close(3 [pid 6314] setpgid(0, 0 [pid 6313] <... setpgid resumed>) = 0 [pid 6312] <... close resumed>) = 0 [pid 6312] write(1, "executing program\n", 18executing program [pid 6314] <... setpgid resumed>) = 0 [pid 6313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6312] <... write resumed>) = 18 [pid 6314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6312] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6313] <... openat resumed>) = 3 [pid 6312] <... futex resumed>) = 0 [pid 6314] <... openat resumed>) = 3 [pid 6313] write(3, "1000", 4executing program executing program [pid 6314] write(3, "1000", 4 [pid 6313] <... write resumed>) = 4 [pid 6314] <... write resumed>) = 4 [pid 6313] close(3 [pid 6314] close(3 [pid 6313] <... close resumed>) = 0 [pid 6314] <... close resumed>) = 0 [pid 6313] write(1, "executing program\n", 18) = 18 [pid 6314] write(1, "executing program\n", 18) = 18 [pid 6313] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6314] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6313] <... futex resumed>) = 0 [pid 6314] <... futex resumed>) = 0 [pid 6313] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6314] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6313] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6314] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6313] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6314] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6313] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6314] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6313] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6314] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6313] <... mmap resumed>) = 0x7f51c7453000 [pid 6314] <... mmap resumed>) = 0x7f51c7453000 [pid 6314] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6313] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6314] <... mprotect resumed>) = 0 [pid 6313] <... mprotect resumed>) = 0 [pid 6312] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6314] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6312] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6312] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6313] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6312] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6314] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6312] <... mmap resumed>) = 0x7f51c7453000 [pid 6312] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6313] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6312] <... mprotect resumed>) = 0 [pid 6313] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6312] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6314] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6316 attached [pid 6312] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6316] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6313] <... clone3 resumed> => {parent_tid=[6316]}, 88) = 6316 [pid 6312] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6316] <... rseq resumed>) = 0 [pid 6313] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6317 attached [pid 6316] set_robust_list(0x7f51c74739a0, 24 [pid 6317] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6316] <... set_robust_list resumed>) = 0 [pid 6313] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6317] <... rseq resumed>) = 0 [pid 6316] rt_sigprocmask(SIG_SETMASK, [], [pid 6312] <... clone3 resumed> => {parent_tid=[6317]}, 88) = 6317 [pid 6317] set_robust_list(0x7f51c74739a0, 24 [pid 6316] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6313] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6317] <... set_robust_list resumed>) = 0 [pid 6316] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6312] rt_sigprocmask(SIG_SETMASK, [], [pid 6313] <... futex resumed>) = 0 [pid 6317] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6315 attached NULL, 8) = 0 [pid 6314] <... clone3 resumed> => {parent_tid=[6315]}, 88) = 6315 [pid 6313] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6312] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6317] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 6312] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6317] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6315] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6314] rt_sigprocmask(SIG_SETMASK, [], [pid 6312] <... futex resumed>) = 0 [pid 6314] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6312] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6315] <... rseq resumed>) = 0 [pid 6314] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6315] set_robust_list(0x7f51c74739a0, 24 [pid 6314] <... futex resumed>) = 0 [pid 6315] <... set_robust_list resumed>) = 0 [pid 6314] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6315] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6314] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6313] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6312] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6308] <... unshare resumed>) = 0 [pid 6305] <... unshare resumed>) = 0 [pid 6305] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6305] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6308] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6303] exit_group(0 [pid 6302] exit_group(0 [pid 6303] <... exit_group resumed>) = ? [pid 6302] <... exit_group resumed>) = ? [pid 6308] +++ exited with 0 +++ [pid 6305] <... futex resumed>) = ? [pid 6302] +++ exited with 0 +++ [pid 6305] +++ exited with 0 +++ [pid 6303] +++ exited with 0 +++ [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6302, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6303, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5825] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6320 attached [pid 5825] <... clone resumed>, child_tidptr=0x55557b964690) = 6320 ./strace-static-x86_64: Process 6321 attached [pid 6320] set_robust_list(0x55557b9646a0, 24 [pid 6321] set_robust_list(0x55557b9646a0, 24 [pid 6320] <... set_robust_list resumed>) = 0 [pid 6320] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5818] <... clone resumed>, child_tidptr=0x55557b964690) = 6321 [pid 6321] <... set_robust_list resumed>) = 0 [pid 6320] <... prctl resumed>) = 0 [pid 6320] setpgid(0, 0 [pid 6321] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6320] <... setpgid resumed>) = 0 [pid 6321] <... prctl resumed>) = 0 [pid 6320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6321] setpgid(0, 0) = 0 [pid 6320] <... openat resumed>) = 3 [pid 6321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6320] write(3, "1000", 4 [pid 6315] <... unshare resumed>) = 0 [pid 6320] <... write resumed>) = 4 [pid 6315] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] close(3 [pid 6315] <... futex resumed>) = 0 [pid 6320] <... close resumed>) = 0 [pid 6321] <... openat resumed>) = 3 [pid 6320] write(1, "executing program\n", 18 [pid 6317] <... unshare resumed>) = 0 [pid 6316] <... unshare resumed>) = 0 [pid 6315] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6317] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6314] exit_group(0 [pid 6317] <... futex resumed>) = 0 [pid 6317] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6314] <... exit_group resumed>) = ? [pid 6312] exit_group(0 [pid 6317] <... futex resumed>) = ? [pid 6312] <... exit_group resumed>) = ? executing program executing program [pid 6321] write(3, "1000", 4 [pid 6320] <... write resumed>) = 18 [pid 6317] +++ exited with 0 +++ [pid 6316] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6315] <... futex resumed>) = ? [pid 6321] <... write resumed>) = 4 [pid 6320] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6313] exit_group(0 [pid 6321] close(3 [pid 6312] +++ exited with 0 +++ [pid 6313] <... exit_group resumed>) = ? [pid 6321] <... close resumed>) = 0 [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6312, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6316] <... futex resumed>) = ? [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 6321] write(1, "executing program\n", 18 [pid 6320] <... futex resumed>) = 0 [pid 6320] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6321] <... write resumed>) = 18 [pid 6321] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6321] <... futex resumed>) = 0 [pid 6320] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6321] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6320] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6321] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6320] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6321] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6321] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6320] <... mmap resumed>) = 0x7f51c7453000 [pid 6321] <... mmap resumed>) = 0x7f51c7453000 [pid 6320] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6321] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6320] <... mprotect resumed>) = 0 [pid 6321] <... mprotect resumed>) = 0 [pid 6316] +++ exited with 0 +++ [pid 6320] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6313] +++ exited with 0 +++ [pid 6321] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6320] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6315] +++ exited with 0 +++ [pid 6314] +++ exited with 0 +++ [pid 5820] <... restart_syscall resumed>) = 0 [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6313, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6321] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6320] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6314, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5817] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6325 attached [pid 6321] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 5817] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 6326 attached [pid 6325] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6320] <... clone3 resumed> => {parent_tid=[6325]}, 88) = 6325 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6327 attached [pid 6326] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6325] <... rseq resumed>) = 0 [pid 6321] <... clone3 resumed> => {parent_tid=[6326]}, 88) = 6326 [pid 6320] rt_sigprocmask(SIG_SETMASK, [], [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6328 attached [pid 6327] set_robust_list(0x55557b9646a0, 24 [pid 6326] <... rseq resumed>) = 0 [pid 6325] set_robust_list(0x7f51c74739a0, 24 [pid 6321] rt_sigprocmask(SIG_SETMASK, [], [pid 6320] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5820] <... clone resumed>, child_tidptr=0x55557b964690) = 6327 [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6328] set_robust_list(0x55557b9646a0, 24 [pid 6327] <... set_robust_list resumed>) = 0 [pid 6326] set_robust_list(0x7f51c74739a0, 24 [pid 6325] <... set_robust_list resumed>) = 0 [pid 6321] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6320] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5822] <... clone resumed>, child_tidptr=0x55557b964690) = 6328 ./strace-static-x86_64: Process 6329 attached [pid 6328] <... set_robust_list resumed>) = 0 [pid 6327] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6326] <... set_robust_list resumed>) = 0 [pid 6325] rt_sigprocmask(SIG_SETMASK, [], [pid 6321] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] <... futex resumed>) = 0 [pid 6328] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6327] <... prctl resumed>) = 0 [pid 6329] set_robust_list(0x55557b9646a0, 24 [pid 6328] <... prctl resumed>) = 0 [pid 6329] <... set_robust_list resumed>) = 0 [pid 6328] setpgid(0, 0 [pid 6327] setpgid(0, 0 [pid 6326] rt_sigprocmask(SIG_SETMASK, [], [pid 6325] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6321] <... futex resumed>) = 0 [pid 6320] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6329] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6328] <... setpgid resumed>) = 0 [pid 6327] <... setpgid resumed>) = 0 [pid 6326] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6325] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6321] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5817] <... clone resumed>, child_tidptr=0x55557b964690) = 6329 [pid 6329] <... prctl resumed>) = 0 [pid 6328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6326] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6329] setpgid(0, 0 [pid 6328] <... openat resumed>) = 3 [pid 6327] <... openat resumed>) = 3 [pid 6329] <... setpgid resumed>) = 0 [pid 6328] write(3, "1000", 4 [pid 6327] write(3, "1000", 4 [pid 6329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6328] <... write resumed>) = 4 [pid 6327] <... write resumed>) = 4 [pid 6327] close(3) = 0 [pid 6327] write(1, "executing program\n", 18) = 18 [pid 6329] <... openat resumed>) = 3 [pid 6328] close(3 [pid 6327] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6329] write(3, "1000", 4executing program [pid 6328] <... close resumed>) = 0 [pid 6327] <... futex resumed>) = 0 [pid 6329] <... write resumed>) = 4 [pid 6327] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6329] close(3executing program [pid 6328] write(1, "executing program\n", 18 [pid 6327] <... rt_sigaction resumed>NULL, 8) = 0 executing program [pid 6329] <... close resumed>) = 0 [pid 6328] <... write resumed>) = 18 [pid 6327] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6329] write(1, "executing program\n", 18 [pid 6328] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6327] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6329] <... write resumed>) = 18 [pid 6328] <... futex resumed>) = 0 [pid 6327] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6329] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6328] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6327] <... mmap resumed>) = 0x7f51c7453000 [pid 6329] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6328] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6327] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6329] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6328] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6329] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6327] <... mprotect resumed>) = 0 [pid 6329] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6328] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6329] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6328] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6327] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6329] <... mmap resumed>) = 0x7f51c7453000 [pid 6328] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6329] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6327] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6329] <... mprotect resumed>) = 0 [pid 6328] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6327] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6329] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6328] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 6330 attached [pid 6328] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6329] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6320] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 6331 attached [pid 6330] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6329] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6328] <... clone3 resumed> => {parent_tid=[6331]}, 88) = 6331 [pid 6327] <... clone3 resumed> => {parent_tid=[6330]}, 88) = 6330 [pid 6321] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 6332 attached [pid 6330] <... rseq resumed>) = 0 [pid 6328] rt_sigprocmask(SIG_SETMASK, [], [pid 6327] rt_sigprocmask(SIG_SETMASK, [], [pid 6331] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6332] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6331] <... rseq resumed>) = 0 [pid 6330] set_robust_list(0x7f51c74739a0, 24 [pid 6329] <... clone3 resumed> => {parent_tid=[6332]}, 88) = 6332 [pid 6328] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6327] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6332] <... rseq resumed>) = 0 [pid 6331] set_robust_list(0x7f51c74739a0, 24 [pid 6327] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6332] set_robust_list(0x7f51c74739a0, 24 [pid 6329] rt_sigprocmask(SIG_SETMASK, [], [pid 6328] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6332] <... set_robust_list resumed>) = 0 [pid 6331] <... set_robust_list resumed>) = 0 [pid 6329] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6328] <... futex resumed>) = 0 [pid 6327] <... futex resumed>) = 0 [pid 6328] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6329] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6327] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6332] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6331] rt_sigprocmask(SIG_SETMASK, [], [pid 6330] <... set_robust_list resumed>) = 0 [pid 6329] <... futex resumed>) = 0 [pid 6332] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6329] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6331] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6330] rt_sigprocmask(SIG_SETMASK, [], [pid 6331] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6330] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6330] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6329] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6328] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6327] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6326] <... unshare resumed>) = 0 [pid 6325] <... unshare resumed>) = 0 [pid 6326] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6326] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6325] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6321] exit_group(0 [pid 6320] exit_group(0 [pid 6326] <... futex resumed>) = ? [pid 6321] <... exit_group resumed>) = ? [pid 6320] <... exit_group resumed>) = ? [pid 6326] +++ exited with 0 +++ [pid 6321] +++ exited with 0 +++ [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6321, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6325] +++ exited with 0 +++ [pid 6320] +++ exited with 0 +++ ./strace-static-x86_64: Process 6335 attached [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6320, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5825] restart_syscall(<... resuming interrupted clone ...> [pid 5818] <... clone resumed>, child_tidptr=0x55557b964690) = 6335 [pid 6335] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6335] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5825] <... restart_syscall resumed>) = 0 [pid 6335] <... prctl resumed>) = 0 [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6335] setpgid(0, 0./strace-static-x86_64: Process 6336 attached ) = 0 [pid 6335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6336] set_robust_list(0x55557b9646a0, 24 [pid 6335] <... openat resumed>) = 3 [pid 5825] <... clone resumed>, child_tidptr=0x55557b964690) = 6336 [pid 6336] <... set_robust_list resumed>) = 0 [pid 6336] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6336] setpgid(0, 0) = 0 [pid 6335] write(3, "1000", 4) = 4 [pid 6336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6335] close(3) = 0 [pid 6336] <... openat resumed>) = 3 [pid 6335] write(1, "executing program\n", 18executing program ) = 18 [pid 6335] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6335] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6335] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6335] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6335] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6336] write(3, "1000", 4 [pid 6335] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6332] <... unshare resumed>) = 0 [pid 6336] <... write resumed>) = 4 [pid 6335] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6336] close(3) = 0 executing program [pid 6336] write(1, "executing program\n", 18) = 18 [pid 6335] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6336] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6338 attached ) = 0 [pid 6335] <... clone3 resumed> => {parent_tid=[6338]}, 88) = 6338 [pid 6338] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6336] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6335] rt_sigprocmask(SIG_SETMASK, [], [pid 6332] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] <... unshare resumed>) = 0 [pid 6338] <... rseq resumed>) = 0 [pid 6336] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6335] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6332] <... futex resumed>) = 0 [pid 6331] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6330] <... unshare resumed>) = 0 [pid 6329] exit_group(0 [pid 6338] set_robust_list(0x7f51c74739a0, 24 [pid 6336] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6335] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6332] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] <... futex resumed>) = 0 [pid 6338] <... set_robust_list resumed>) = 0 [pid 6336] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6335] <... futex resumed>) = 0 [pid 6332] +++ exited with 0 +++ [pid 6331] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6330] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6329] <... exit_group resumed>) = ? [pid 6338] rt_sigprocmask(SIG_SETMASK, [], [pid 6336] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6335] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6330] <... futex resumed>) = 0 [pid 6329] +++ exited with 0 +++ [pid 6328] exit_group(0 [pid 6338] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6336] <... mmap resumed>) = 0x7f51c7453000 [pid 6327] exit_group(0 [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6329, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6338] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6336] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6331] <... futex resumed>) = ? [pid 6327] <... exit_group resumed>) = ? [pid 5817] restart_syscall(<... resuming interrupted clone ...> [pid 6330] +++ exited with 0 +++ [pid 6328] <... exit_group resumed>) = ? [pid 6327] +++ exited with 0 +++ [pid 6336] <... mprotect resumed>) = 0 [pid 6331] +++ exited with 0 +++ [pid 6328] +++ exited with 0 +++ [pid 6336] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6327, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6336] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6328, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6336] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 5817] <... restart_syscall resumed>) = 0 [pid 5820] <... restart_syscall resumed>) = 0 [pid 5822] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557b964690) = 6343 ./strace-static-x86_64: Process 6343 attached ./strace-static-x86_64: Process 6342 attached [pid 5820] <... clone resumed>, child_tidptr=0x55557b964690) = 6342 [pid 6336] <... clone3 resumed> => {parent_tid=[6341]}, 88) = 6341 [pid 5817] <... clone resumed>, child_tidptr=0x55557b964690) = 6344 [pid 6342] set_robust_list(0x55557b9646a0, 24 [pid 6336] rt_sigprocmask(SIG_SETMASK, [], [pid 6343] set_robust_list(0x55557b9646a0, 24./strace-static-x86_64: Process 6341 attached [pid 6336] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6343] <... set_robust_list resumed>) = 0 [pid 6342] <... set_robust_list resumed>) = 0 [pid 6336] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6343] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6336] <... futex resumed>) = 0 [pid 6342] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6336] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6343] <... prctl resumed>) = 0 [pid 6342] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 6344 attached [pid 6343] setpgid(0, 0 [pid 6342] setpgid(0, 0 [pid 6343] <... setpgid resumed>) = 0 [pid 6342] <... setpgid resumed>) = 0 [pid 6343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6342] write(3, "1000", 4 [pid 6341] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6342] <... write resumed>) = 4 [pid 6341] <... rseq resumed>) = 0 [pid 6342] close(3executing program [pid 6341] set_robust_list(0x7f51c74739a0, 24 [pid 6342] <... close resumed>) = 0 [pid 6341] <... set_robust_list resumed>) = 0 [pid 6344] set_robust_list(0x55557b9646a0, 24 [pid 6342] write(1, "executing program\n", 18 [pid 6341] rt_sigprocmask(SIG_SETMASK, [], [pid 6344] <... set_robust_list resumed>) = 0 [pid 6343] <... openat resumed>) = 3 [pid 6342] <... write resumed>) = 18 [pid 6341] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6344] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6343] write(3, "1000", 4 [pid 6342] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6341] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6344] <... prctl resumed>) = 0 [pid 6343] <... write resumed>) = 4 [pid 6335] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6342] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6344] setpgid(0, 0 [pid 6343] close(3 [pid 6342] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6344] <... setpgid resumed>) = 0 [pid 6343] <... close resumed>) = 0 [pid 6342] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6342] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6342] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 6342] <... mprotect resumed>) = 0 [pid 6338] <... unshare resumed>) = 0 [pid 6343] write(1, "executing program\n", 18) = 18 [pid 6342] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6344] <... openat resumed>) = 3 [pid 6343] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6342] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6338] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6342] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6338] <... futex resumed>) = 0 [pid 6343] <... futex resumed>) = 0 [pid 6338] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6343] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, ./strace-static-x86_64: Process 6346 attached NULL, 8) = 0 [pid 6343] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6344] write(3, "1000", 4 [pid 6343] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 6342] <... clone3 resumed> => {parent_tid=[6346]}, 88) = 6346 [pid 6335] exit_group(0 [pid 6344] <... write resumed>) = 4 [pid 6342] rt_sigprocmask(SIG_SETMASK, [], [pid 6335] <... exit_group resumed>) = ? [pid 6344] close(3 [pid 6342] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6338] <... futex resumed>) = ? [pid 6344] <... close resumed>) = 0 [pid 6342] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6344] write(1, "executing program\n", 18 [pid 6343] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6342] <... futex resumed>) = 0 [pid 6338] +++ exited with 0 +++ [pid 6335] +++ exited with 0 +++ [pid 6344] <... write resumed>) = 18 [pid 6343] <... mmap resumed>) = 0x7f51c7453000 [pid 6342] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6335, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6343] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6343] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6346] <... rseq resumed>) = 0 [pid 6343] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6346] set_robust_list(0x7f51c74739a0, 24 [pid 6343] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6346] <... set_robust_list resumed>) = 0 [pid 6346] rt_sigprocmask(SIG_SETMASK, [], [pid 6343] <... clone3 resumed> => {parent_tid=[6347]}, 88) = 6347 [pid 6346] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6343] rt_sigprocmask(SIG_SETMASK, [], [pid 6346] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6343] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6347 attached [pid 6344] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6343] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6336] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6347] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6344] <... futex resumed>) = 0 [pid 6343] <... futex resumed>) = 0 [pid 6344] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6343] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6347] <... rseq resumed>) = 0 [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6347] set_robust_list(0x7f51c74739a0, 24 [pid 6344] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6348 attached [pid 6347] <... set_robust_list resumed>) = 0 [pid 6344] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6348] set_robust_list(0x55557b9646a0, 24 [pid 6344] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6347] rt_sigprocmask(SIG_SETMASK, [], [pid 6344] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6347] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5818] <... clone resumed>, child_tidptr=0x55557b964690) = 6348 [pid 6347] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6344] <... mmap resumed>) = 0x7f51c7453000 [pid 6344] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6348] <... set_robust_list resumed>) = 0 [pid 6348] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6344] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6348] setpgid(0, 0 [pid 6344] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6348] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 6349 attached [pid 6349] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6344] <... clone3 resumed> => {parent_tid=[6349]}, 88) = 6349 [pid 6348] <... openat resumed>) = 3 [pid 6344] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6344] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6349] <... rseq resumed>) = 0 [pid 6349] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 6349] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6349] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6348] write(3, "1000", 4 [pid 6344] <... futex resumed>) = 0 [pid 6344] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6348] <... write resumed>) = 4 [pid 6348] close(3) = 0 [pid 6348] write(1, "executing program\n", 18executing program ) = 18 [pid 6341] <... unshare resumed>) = 0 [pid 6343] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6342] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6348] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6341] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6348] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6341] <... futex resumed>) = 0 [pid 6336] exit_group(0) = ? [pid 6348] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6341] +++ exited with 0 +++ [pid 6348] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6336] +++ exited with 0 +++ [pid 6348] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6336, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6348] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6351 attached [pid 6348] <... mmap resumed>) = 0x7f51c7453000 [pid 6348] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5825] <... clone resumed>, child_tidptr=0x55557b964690) = 6351 [pid 6351] set_robust_list(0x55557b9646a0, 24 [pid 6348] <... mprotect resumed>) = 0 [pid 6348] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6351] <... set_robust_list resumed>) = 0 [pid 6348] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6351] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6348] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} => {parent_tid=[6352]}, 88) = 6352 [pid 6351] setpgid(0, 0 [pid 6348] rt_sigprocmask(SIG_SETMASK, [], [pid 6351] <... setpgid resumed>) = 0 [pid 6348] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6352 attached [pid 6348] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6348] <... futex resumed>) = 0 [pid 6352] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6348] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6352] <... rseq resumed>) = 0 [pid 6352] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 6352] rt_sigprocmask(SIG_SETMASK, [], [pid 6351] <... openat resumed>) = 3 [pid 6352] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6352] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6351] write(3, "1000", 4) = 4 [pid 6351] close(3) = 0 [pid 6351] write(1, "executing program\n", 18executing program ) = 18 [pid 6351] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6351] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6351] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6351] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6351] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6351] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6351] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6353 attached [pid 6353] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6351] <... clone3 resumed> => {parent_tid=[6353]}, 88) = 6353 [pid 6353] <... rseq resumed>) = 0 [pid 6344] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6353] set_robust_list(0x7f51c74739a0, 24 [pid 6351] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6351] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6351] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6353] <... set_robust_list resumed>) = 0 [pid 6353] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6353] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6346] <... unshare resumed>) = 0 [pid 6346] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6346] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6348] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6342] exit_group(0 [pid 6346] <... futex resumed>) = ? [pid 6342] <... exit_group resumed>) = ? [pid 6346] +++ exited with 0 +++ [pid 6342] +++ exited with 0 +++ [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6342, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5820] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6351] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6355 attached [pid 6355] set_robust_list(0x55557b9646a0, 24) = 0 [pid 5820] <... clone resumed>, child_tidptr=0x55557b964690) = 6355 [pid 6355] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6355] setpgid(0, 0) = 0 [pid 6355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6355] write(3, "1000", 4) = 4 [pid 6355] close(3) = 0 executing program [pid 6355] write(1, "executing program\n", 18) = 18 [pid 6355] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6355] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6355] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6355] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6355] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6355] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6355] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6356 attached => {parent_tid=[6356]}, 88) = 6356 [pid 6356] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053) = 0 [pid 6355] rt_sigprocmask(SIG_SETMASK, [], [pid 6356] set_robust_list(0x7f51c74739a0, 24 [pid 6355] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6356] <... set_robust_list resumed>) = 0 [pid 6356] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6356] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6355] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] <... futex resumed>) = 0 [pid 6355] <... futex resumed>) = 1 [pid 6356] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6355] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6349] <... unshare resumed>) = 0 [pid 6349] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6344] exit_group(0) = ? [pid 6349] +++ exited with 0 +++ [pid 6344] +++ exited with 0 +++ [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6344, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5817] restart_syscall(<... resuming interrupted clone ...> [pid 6347] <... unshare resumed>) = 0 [pid 6347] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6343] exit_group(0 [pid 6347] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 6343] <... exit_group resumed>) = ? [pid 6347] +++ exited with 0 +++ [pid 5817] <... restart_syscall resumed>) = 0 [pid 6343] +++ exited with 0 +++ [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6343, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6360 attached ./strace-static-x86_64: Process 6359 attached [pid 6359] set_robust_list(0x55557b9646a0, 24 [pid 5817] <... clone resumed>, child_tidptr=0x55557b964690) = 6359 [pid 6359] <... set_robust_list resumed>) = 0 [pid 6360] set_robust_list(0x55557b9646a0, 24 [pid 6359] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6360] <... set_robust_list resumed>) = 0 [pid 6359] <... prctl resumed>) = 0 [pid 6360] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6359] setpgid(0, 0 [pid 5822] <... clone resumed>, child_tidptr=0x55557b964690) = 6360 [pid 6360] <... prctl resumed>) = 0 [pid 6359] <... setpgid resumed>) = 0 [pid 6360] setpgid(0, 0 [pid 6359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6360] <... setpgid resumed>) = 0 [pid 6360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6359] <... openat resumed>) = 3 [pid 6360] <... openat resumed>) = 3 [pid 6359] write(3, "1000", 4 [pid 6360] write(3, "1000", 4 [pid 6359] <... write resumed>) = 4 executing program executing program [pid 6359] close(3 [pid 6360] <... write resumed>) = 4 [pid 6359] <... close resumed>) = 0 [pid 6360] close(3 [pid 6359] write(1, "executing program\n", 18 [pid 6360] <... close resumed>) = 0 [pid 6359] <... write resumed>) = 18 [pid 6360] write(1, "executing program\n", 18) = 18 [pid 6359] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6360] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6359] <... futex resumed>) = 0 [pid 6360] <... futex resumed>) = 0 [pid 6360] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6360] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6360] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6360] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6360] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6360] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6361 attached [pid 6359] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6361] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6360] <... clone3 resumed> => {parent_tid=[6361]}, 88) = 6361 [pid 6361] <... rseq resumed>) = 0 [pid 6360] rt_sigprocmask(SIG_SETMASK, [], [pid 6361] set_robust_list(0x7f51c74739a0, 24 [pid 6360] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6361] <... set_robust_list resumed>) = 0 [pid 6360] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6360] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6361] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6361] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6359] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6359] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6359] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6359] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6359] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6359] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6362 attached [pid 6362] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053) = 0 [pid 6359] <... clone3 resumed> => {parent_tid=[6362]}, 88) = 6362 [pid 6362] set_robust_list(0x7f51c74739a0, 24 [pid 6359] rt_sigprocmask(SIG_SETMASK, [], [pid 6362] <... set_robust_list resumed>) = 0 [pid 6359] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6362] rt_sigprocmask(SIG_SETMASK, [], [pid 6359] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6362] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6353] <... unshare resumed>) = 0 [pid 6353] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6353] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6356] <... unshare resumed>) = 0 [pid 6362] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6360] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6359] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6352] <... unshare resumed>) = 0 [pid 6351] exit_group(0 [pid 6352] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] <... exit_group resumed>) = ? [pid 6353] <... futex resumed>) = ? [pid 6353] +++ exited with 0 +++ [pid 6356] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6356] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6355] exit_group(0 [pid 6348] exit_group(0 [pid 6355] <... exit_group resumed>) = ? [pid 6348] <... exit_group resumed>) = ? [pid 6356] <... futex resumed>) = ? [pid 6356] +++ exited with 0 +++ [pid 6355] +++ exited with 0 +++ [pid 6352] <... futex resumed>) = ? [pid 6351] +++ exited with 0 +++ [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6351, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6355, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 6352] +++ exited with 0 +++ [pid 6348] +++ exited with 0 +++ [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6366 attached [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6348, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5820] <... clone resumed>, child_tidptr=0x55557b964690) = 6366 [pid 6366] set_robust_list(0x55557b9646a0, 24 [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6367 attached [pid 6366] <... set_robust_list resumed>) = 0 [pid 6367] set_robust_list(0x55557b9646a0, 24 [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6367] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6368 attached [pid 6368] set_robust_list(0x55557b9646a0, 24 [pid 6367] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6366] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5825] <... clone resumed>, child_tidptr=0x55557b964690) = 6367 [pid 6368] <... set_robust_list resumed>) = 0 [pid 6367] <... prctl resumed>) = 0 [pid 6368] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6367] setpgid(0, 0 [pid 6366] <... prctl resumed>) = 0 [pid 5818] <... clone resumed>, child_tidptr=0x55557b964690) = 6368 [pid 6366] setpgid(0, 0) = 0 [pid 6366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6367] <... setpgid resumed>) = 0 [pid 6366] <... openat resumed>) = 3 [pid 6367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6368] <... prctl resumed>) = 0 [pid 6367] <... openat resumed>) = 3 [pid 6366] write(3, "1000", 4 [pid 6368] setpgid(0, 0 [pid 6367] write(3, "1000", 4 [pid 6366] <... write resumed>) = 4 [pid 6359] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6368] <... setpgid resumed>) = 0 [pid 6367] <... write resumed>) = 4 [pid 6366] close(3 [pid 6367] close(3 [pid 6368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6366] <... close resumed>) = 0 executing program [pid 6368] <... openat resumed>) = 3 [pid 6367] <... close resumed>) = 0 [pid 6366] write(1, "executing program\n", 18 [pid 6368] write(3, "1000", 4 [pid 6367] write(1, "executing program\n", 18 [pid 6366] <... write resumed>) = 18 [pid 6368] <... write resumed>) = 4 executing program [pid 6368] close(3 [pid 6367] <... write resumed>) = 18 [pid 6366] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6368] <... close resumed>) = 0 [pid 6367] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6368] write(1, "executing program\n", 18 [pid 6366] <... futex resumed>) = 0 [pid 6367] <... futex resumed>) = 0 [pid 6366] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6367] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6366] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6366] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], executing program [pid 6368] <... write resumed>) = 18 [pid 6366] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6366] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6368] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6367] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6366] <... mmap resumed>) = 0x7f51c7453000 [pid 6361] <... unshare resumed>) = 0 [pid 6366] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6368] <... futex resumed>) = 0 [pid 6367] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6361] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6367] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6366] <... mprotect resumed>) = 0 [pid 6368] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6367] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6366] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6367] <... mmap resumed>) = 0x7f51c7453000 [pid 6361] <... futex resumed>) = 0 [pid 6368] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6367] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6366] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6361] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6360] exit_group(0) = ? [pid 6368] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6367] <... mprotect resumed>) = 0 [pid 6366] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6361] <... futex resumed>) = ? [pid 6368] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6367] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6368] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 6370 attached ) = 0x7f51c7453000 [pid 6367] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6361] +++ exited with 0 +++ [pid 6360] +++ exited with 0 +++ [pid 6368] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6367] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6366] <... clone3 resumed> => {parent_tid=[6370]}, 88) = 6370 [pid 6368] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6371 attached [pid 6371] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053) = 0 [pid 6370] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6368] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6367] <... clone3 resumed> => {parent_tid=[6371]}, 88) = 6371 [pid 6366] rt_sigprocmask(SIG_SETMASK, [], [pid 6371] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 6371] rt_sigprocmask(SIG_SETMASK, [], [pid 6370] <... rseq resumed>) = 0 [pid 6368] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6367] rt_sigprocmask(SIG_SETMASK, [], [pid 6366] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6360, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6371] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6370] set_robust_list(0x7f51c74739a0, 24 [pid 6368] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6367] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6366] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5822] restart_syscall(<... resuming interrupted clone ...> [pid 6370] <... set_robust_list resumed>) = 0 [pid 6371] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6370] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6367] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6366] <... futex resumed>) = 0 [pid 5822] <... restart_syscall resumed>) = 0 [pid 6370] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6367] <... futex resumed>) = 0 [pid 6366] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6371] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6367] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6372 attached [pid 6368] <... clone3 resumed> => {parent_tid=[6372]}, 88) = 6372 [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6368] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6368] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 6373 attached [pid 6368] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6372] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 5822] <... clone resumed>, child_tidptr=0x55557b964690) = 6373 [pid 6372] <... rseq resumed>) = 0 [pid 6372] set_robust_list(0x7f51c74739a0, 24 [pid 6373] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6373] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6372] <... set_robust_list resumed>) = 0 [pid 6372] rt_sigprocmask(SIG_SETMASK, [], [pid 6373] <... prctl resumed>) = 0 [pid 6372] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6373] setpgid(0, 0 [pid 6372] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6373] <... setpgid resumed>) = 0 [pid 6373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6366] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6362] <... unshare resumed>) = 0 executing program [pid 6373] write(3, "1000", 4) = 4 [pid 6373] close(3) = 0 [pid 6373] write(1, "executing program\n", 18) = 18 [pid 6373] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6362] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] <... futex resumed>) = 0 [pid 6362] <... futex resumed>) = 0 [pid 6373] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6362] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6373] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6373] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6373] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6373] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6373] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6373] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6375 attached => {parent_tid=[6375]}, 88) = 6375 [pid 6368] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6367] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6359] exit_group(0 [pid 6375] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6359] <... exit_group resumed>) = ? [pid 6375] <... rseq resumed>) = 0 [pid 6373] rt_sigprocmask(SIG_SETMASK, [], [pid 6362] <... futex resumed>) = ? [pid 6362] +++ exited with 0 +++ [pid 6359] +++ exited with 0 +++ [pid 6375] set_robust_list(0x7f51c74739a0, 24 [pid 6373] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6359, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6375] <... set_robust_list resumed>) = 0 [pid 6373] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5817] restart_syscall(<... resuming interrupted clone ...> [pid 6375] rt_sigprocmask(SIG_SETMASK, [], [pid 6373] <... futex resumed>) = 0 [pid 6375] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6373] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6375] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5817] <... restart_syscall resumed>) = 0 [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6376 attached , child_tidptr=0x55557b964690) = 6376 [pid 6376] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6376] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6376] setpgid(0, 0) = 0 [pid 6376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6376] write(3, "1000", 4 [pid 6373] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6376] <... write resumed>) = 4 [pid 6376] close(3) = 0 executing program [pid 6376] write(1, "executing program\n", 18) = 18 [pid 6376] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6376] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6376] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6376] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6376] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6370] <... unshare resumed>) = 0 [pid 6376] <... mprotect resumed>) = 0 [pid 6370] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6376] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6370] <... futex resumed>) = 0 [pid 6370] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6376] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6366] exit_group(0 [pid 6376] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6366] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6378 attached [pid 6370] <... futex resumed>) = ? [pid 6378] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6376] <... clone3 resumed> => {parent_tid=[6378]}, 88) = 6378 [pid 6378] <... rseq resumed>) = 0 [pid 6376] rt_sigprocmask(SIG_SETMASK, [], [pid 6378] set_robust_list(0x7f51c74739a0, 24 [pid 6376] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6370] +++ exited with 0 +++ [pid 6366] +++ exited with 0 +++ [pid 6376] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6378] <... set_robust_list resumed>) = 0 [pid 6376] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6372] <... unshare resumed>) = 0 [pid 6371] <... unshare resumed>) = 0 [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6366, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6372] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6368] exit_group(0 [pid 6372] <... futex resumed>) = ? [pid 6368] <... exit_group resumed>) = ? [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6381 attached [pid 6372] +++ exited with 0 +++ [pid 6368] +++ exited with 0 +++ [pid 6381] set_robust_list(0x55557b9646a0, 24 [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6368, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6378] rt_sigprocmask(SIG_SETMASK, [], [pid 5818] restart_syscall(<... resuming interrupted clone ...> [pid 6378] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6371] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5820] <... clone resumed>, child_tidptr=0x55557b964690) = 6381 [pid 6378] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6367] exit_group(0 [pid 6381] <... set_robust_list resumed>) = 0 [pid 6371] <... futex resumed>) = 0 [pid 5818] <... restart_syscall resumed>) = 0 [pid 6367] <... exit_group resumed>) = ? [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6381] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5818] <... clone resumed>, child_tidptr=0x55557b964690) = 6382 ./strace-static-x86_64: Process 6382 attached [pid 6381] <... prctl resumed>) = 0 [pid 6371] +++ exited with 0 +++ [pid 6367] +++ exited with 0 +++ [pid 6382] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6381] setpgid(0, 0 [pid 6375] <... unshare resumed>) = 0 [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6367, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6381] <... setpgid resumed>) = 0 [pid 6382] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6384 attached [pid 6382] <... prctl resumed>) = 0 [pid 6384] set_robust_list(0x55557b9646a0, 24 [pid 6382] setpgid(0, 0 [pid 6375] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] <... clone resumed>, child_tidptr=0x55557b964690) = 6384 [pid 6384] <... set_robust_list resumed>) = 0 [pid 6382] <... setpgid resumed>) = 0 [pid 6381] <... openat resumed>) = 3 [pid 6375] <... futex resumed>) = 0 [pid 6384] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6381] write(3, "1000", 4 [pid 6375] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6381] <... write resumed>) = 4 [pid 6381] close(3 [pid 6382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6373] exit_group(0 [pid 6381] <... close resumed>) = 0 [pid 6381] write(1, "executing program\n", 18executing program ) = 18 [pid 6384] <... prctl resumed>) = 0 [pid 6375] <... futex resumed>) = ? [pid 6373] <... exit_group resumed>) = ? [pid 6384] setpgid(0, 0 [pid 6382] <... openat resumed>) = 3 [pid 6381] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] +++ exited with 0 +++ [pid 6384] <... setpgid resumed>) = 0 [pid 6381] <... futex resumed>) = 0 [pid 6381] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6381] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6382] write(3, "1000", 4 [pid 6384] <... openat resumed>) = 3 [pid 6382] <... write resumed>) = 4 [pid 6381] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6373] +++ exited with 0 +++ [pid 6382] close(3) = 0 [pid 6381] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6376] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6384] write(3, "1000", 4executing program [pid 6382] write(1, "executing program\n", 18 [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6373, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6384] <... write resumed>) = 4 [pid 6382] <... write resumed>) = 18 [pid 6381] <... mmap resumed>) = 0x7f51c7453000 [pid 5822] restart_syscall(<... resuming interrupted clone ...> [pid 6384] close(3 [pid 6381] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5822] <... restart_syscall resumed>) = 0 [pid 6384] <... close resumed>) = 0 executing program [pid 6384] write(1, "executing program\n", 18 [pid 6382] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6381] <... mprotect resumed>) = 0 [pid 6382] <... futex resumed>) = 0 [pid 6382] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6384] <... write resumed>) = 18 [pid 6381] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6384] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6386 attached [pid 6384] <... futex resumed>) = 0 [pid 6382] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6381] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6378] <... unshare resumed>) = 0 [pid 6386] set_robust_list(0x55557b9646a0, 24 [pid 6384] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6382] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6381] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6378] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6387 attached [pid 6386] <... set_robust_list resumed>) = 0 [pid 6384] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6382] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6378] <... futex resumed>) = 0 [pid 5822] <... clone resumed>, child_tidptr=0x55557b964690) = 6386 [pid 6387] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6386] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6384] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6382] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6381] <... clone3 resumed> => {parent_tid=[6387]}, 88) = 6387 [pid 6378] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6387] <... rseq resumed>) = 0 [pid 6386] <... prctl resumed>) = 0 [pid 6384] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6382] <... mmap resumed>) = 0x7f51c7453000 [pid 6381] rt_sigprocmask(SIG_SETMASK, [], [pid 6376] exit_group(0 [pid 6384] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6382] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6386] setpgid(0, 0 [pid 6381] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6387] set_robust_list(0x7f51c74739a0, 24 [pid 6378] <... futex resumed>) = ? [pid 6376] <... exit_group resumed>) = ? [pid 6387] <... set_robust_list resumed>) = 0 [pid 6386] <... setpgid resumed>) = 0 [pid 6384] <... mmap resumed>) = 0x7f51c7453000 [pid 6382] <... mprotect resumed>) = 0 [pid 6381] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6378] +++ exited with 0 +++ [pid 6376] +++ exited with 0 +++ [pid 6384] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6381] <... futex resumed>) = 0 [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6376, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6384] <... mprotect resumed>) = 0 [pid 6382] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6381] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5817] restart_syscall(<... resuming interrupted clone ...> [pid 6386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6384] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6382] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6387] rt_sigprocmask(SIG_SETMASK, [], [pid 6384] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6382] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6387] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6384] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6389 attached ./strace-static-x86_64: Process 6388 attached [pid 6387] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6386] <... openat resumed>) = 3 [pid 6389] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6388] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6386] write(3, "1000", 4 [pid 6384] <... clone3 resumed> => {parent_tid=[6389]}, 88) = 6389 [pid 6382] <... clone3 resumed> => {parent_tid=[6388]}, 88) = 6388 [pid 5817] <... restart_syscall resumed>) = 0 [pid 6389] <... rseq resumed>) = 0 [pid 6388] <... rseq resumed>) = 0 [pid 6386] <... write resumed>) = 4 [pid 6382] rt_sigprocmask(SIG_SETMASK, [], [pid 6388] set_robust_list(0x7f51c74739a0, 24 [pid 6386] close(3 [pid 6382] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6389] set_robust_list(0x7f51c74739a0, 24 [pid 6388] <... set_robust_list resumed>) = 0 [pid 6386] <... close resumed>) = 0 [pid 6384] rt_sigprocmask(SIG_SETMASK, [], [pid 6382] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6389] <... set_robust_list resumed>) = 0 [pid 6388] rt_sigprocmask(SIG_SETMASK, [], [pid 6386] write(1, "executing program\n", 18executing program [pid 6382] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6390 attached [pid 6389] rt_sigprocmask(SIG_SETMASK, [], [pid 6388] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6386] <... write resumed>) = 18 [pid 6384] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6382] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5817] <... clone resumed>, child_tidptr=0x55557b964690) = 6390 [pid 6389] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6388] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6386] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6384] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6389] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6386] <... futex resumed>) = 0 [pid 6386] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6386] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6386] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6386] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6386] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6386] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6384] <... futex resumed>) = 0 [pid 6386] <... clone3 resumed> => {parent_tid=[6391]}, 88) = 6391 [pid 6386] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6386] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6386] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6391 attached [pid 6384] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6391] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6390] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6390] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6391] <... rseq resumed>) = 0 [pid 6390] <... prctl resumed>) = 0 [pid 6391] set_robust_list(0x7f51c74739a0, 24 [pid 6390] setpgid(0, 0 [pid 6391] <... set_robust_list resumed>) = 0 [pid 6390] <... setpgid resumed>) = 0 [pid 6391] rt_sigprocmask(SIG_SETMASK, [], [pid 6390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 6391] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6390] <... openat resumed>) = 3 [pid 6390] write(3, "1000", 4) = 4 [pid 6390] close(3 [pid 6391] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6390] <... close resumed>) = 0 [pid 6381] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6390] write(1, "executing program\n", 18) = 18 [pid 6390] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6390] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6390] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6390] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6390] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6390] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6390] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6392 attached [pid 6392] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053) = 0 [pid 6392] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 6392] rt_sigprocmask(SIG_SETMASK, [], [pid 6390] <... clone3 resumed> => {parent_tid=[6392]}, 88) = 6392 [pid 6392] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6390] rt_sigprocmask(SIG_SETMASK, [], [pid 6392] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6390] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6390] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] <... futex resumed>) = 0 [pid 6390] <... futex resumed>) = 1 [pid 6392] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6390] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6386] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6382] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6384] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6387] <... unshare resumed>) = 0 [pid 6390] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6387] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6381] exit_group(0) = ? [pid 6387] +++ exited with 0 +++ [pid 6381] +++ exited with 0 +++ [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6381, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5820] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6394 attached , child_tidptr=0x55557b964690) = 6394 [pid 6394] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6394] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6394] setpgid(0, 0) = 0 [pid 6394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6394] write(3, "1000", 4) = 4 [pid 6394] close(3) = 0 executing program [pid 6394] write(1, "executing program\n", 18) = 18 [pid 6394] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6394] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6394] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6394] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6394] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6394] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6394] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} => {parent_tid=[6396]}, 88) = 6396 [pid 6394] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6396 attached NULL, 8) = 0 [pid 6394] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6396] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6394] <... futex resumed>) = 0 [pid 6396] <... rseq resumed>) = 0 [pid 6394] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6396] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 6396] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6396] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6392] <... unshare resumed>) = 0 [pid 6392] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6388] <... unshare resumed>) = 0 [pid 6390] exit_group(0) = ? [pid 6388] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] <... futex resumed>) = ? [pid 6382] exit_group(0) = ? [pid 6392] +++ exited with 0 +++ [pid 6391] <... unshare resumed>) = 0 [pid 6390] +++ exited with 0 +++ [pid 6388] <... futex resumed>) = ? [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6390, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6391] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6391] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6389] <... unshare resumed>) = 0 [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6400 attached [pid 6388] +++ exited with 0 +++ [pid 6400] set_robust_list(0x55557b9646a0, 24 [pid 6382] +++ exited with 0 +++ [pid 6389] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5817] <... clone resumed>, child_tidptr=0x55557b964690) = 6400 [pid 6389] <... futex resumed>) = 0 [pid 6386] exit_group(0 [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6382, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6389] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6386] <... exit_group resumed>) = ? [pid 6400] <... set_robust_list resumed>) = 0 [pid 6391] <... futex resumed>) = ? [pid 5818] restart_syscall(<... resuming interrupted clone ...> [pid 6400] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6391] +++ exited with 0 +++ [pid 6386] +++ exited with 0 +++ [pid 6384] exit_group(0 [pid 6400] setpgid(0, 0 [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6386, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6389] <... futex resumed>) = ? [pid 6384] <... exit_group resumed>) = ? [pid 6389] +++ exited with 0 +++ [pid 5822] restart_syscall(<... resuming interrupted clone ...> [pid 6384] +++ exited with 0 +++ [pid 6400] <... setpgid resumed>) = 0 [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6384, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5825] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5822] <... restart_syscall resumed>) = 0 [pid 6400] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5818] <... restart_syscall resumed>) = 0 [pid 6400] <... openat resumed>) = 3 [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6402 attached ./strace-static-x86_64: Process 6401 attached [pid 6400] write(3, "1000", 4) = 4 [pid 5822] <... clone resumed>, child_tidptr=0x55557b964690) = 6401 [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6403 attached [pid 6402] set_robust_list(0x55557b9646a0, 24 [pid 6401] set_robust_list(0x55557b9646a0, 24 [pid 6400] close(3 [pid 6402] <... set_robust_list resumed>) = 0 [pid 6401] <... set_robust_list resumed>) = 0 [pid 6400] <... close resumed>) = 0 [pid 5818] <... clone resumed>, child_tidptr=0x55557b964690) = 6403 [pid 5825] <... clone resumed>, child_tidptr=0x55557b964690) = 6402 [pid 6403] set_robust_list(0x55557b9646a0, 24 [pid 6402] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6400] write(1, "executing program\n", 18 [pid 6401] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program [pid 6403] <... set_robust_list resumed>) = 0 [pid 6401] <... prctl resumed>) = 0 [pid 6400] <... write resumed>) = 18 [pid 6403] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6400] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6402] <... prctl resumed>) = 0 [pid 6403] <... prctl resumed>) = 0 [pid 6402] setpgid(0, 0 [pid 6401] setpgid(0, 0 [pid 6400] <... futex resumed>) = 0 [pid 6394] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6403] setpgid(0, 0 [pid 6402] <... setpgid resumed>) = 0 [pid 6401] <... setpgid resumed>) = 0 [pid 6400] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6403] <... setpgid resumed>) = 0 [pid 6402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6400] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6400] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6402] <... openat resumed>) = 3 [pid 6400] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6401] <... openat resumed>) = 3 [pid 6400] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6403] <... openat resumed>) = 3 [pid 6400] <... mmap resumed>) = 0x7f51c7453000 [pid 6403] write(3, "1000", 4 [pid 6402] write(3, "1000", 4 [pid 6401] write(3, "1000", 4 [pid 6400] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6403] <... write resumed>) = 4 [pid 6402] <... write resumed>) = 4 [pid 6401] <... write resumed>) = 4 [pid 6400] <... mprotect resumed>) = 0 [pid 6403] close(3 [pid 6402] close(3 [pid 6401] close(3 [pid 6403] <... close resumed>) = 0 [pid 6401] <... close resumed>) = 0 [pid 6400] rt_sigprocmask(SIG_BLOCK, ~[], executing program [pid 6403] write(1, "executing program\n", 18 [pid 6402] <... close resumed>) = 0 [pid 6401] write(1, "executing program\n", 18executing program executing program [pid 6400] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6403] <... write resumed>) = 18 [pid 6401] <... write resumed>) = 18 [pid 6400] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6402] write(1, "executing program\n", 18) = 18 [pid 6403] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6401] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6400] <... clone3 resumed> => {parent_tid=[6405]}, 88) = 6405 ./strace-static-x86_64: Process 6405 attached [pid 6402] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6402] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6405] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6402] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6405] <... rseq resumed>) = 0 [pid 6402] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6405] set_robust_list(0x7f51c74739a0, 24 [pid 6402] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6405] <... set_robust_list resumed>) = 0 [pid 6402] <... mmap resumed>) = 0x7f51c7453000 [pid 6405] rt_sigprocmask(SIG_SETMASK, [], [pid 6402] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6405] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6405] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6402] <... mprotect resumed>) = 0 [pid 6402] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6401] <... futex resumed>) = 0 [pid 6402] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6400] rt_sigprocmask(SIG_SETMASK, [], [pid 6403] <... futex resumed>) = 0 [pid 6402] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6401] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6400] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6406 attached [pid 6403] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6401] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6400] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6403] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6401] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6400] <... futex resumed>) = 1 [pid 6406] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6403] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6401] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6406] <... rseq resumed>) = 0 [pid 6403] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6401] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6400] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6406] set_robust_list(0x7f51c74739a0, 24 [pid 6405] <... futex resumed>) = 0 [pid 6403] <... mmap resumed>) = 0x7f51c7453000 [pid 6402] <... clone3 resumed> => {parent_tid=[6406]}, 88) = 6406 [pid 6401] <... mmap resumed>) = 0x7f51c7453000 [pid 6406] <... set_robust_list resumed>) = 0 [pid 6405] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6403] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6402] rt_sigprocmask(SIG_SETMASK, [], [pid 6401] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6406] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6403] <... mprotect resumed>) = 0 [pid 6402] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6401] <... mprotect resumed>) = 0 [pid 6406] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6402] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6402] <... futex resumed>) = 0 [pid 6401] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6406] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6403] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6402] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6401] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6396] <... unshare resumed>) = 0 [pid 6396] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6396] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6403] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6401] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6394] exit_group(0 [pid 6396] <... futex resumed>) = ? [pid 6396] +++ exited with 0 +++ [pid 6394] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6407 attached [pid 6403] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6408 attached [pid 6401] <... clone3 resumed> => {parent_tid=[6407]}, 88) = 6407 [pid 6408] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6407] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6403] <... clone3 resumed> => {parent_tid=[6408]}, 88) = 6408 [pid 6403] rt_sigprocmask(SIG_SETMASK, [], [pid 6407] <... rseq resumed>) = 0 [pid 6408] <... rseq resumed>) = 0 [pid 6403] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6401] rt_sigprocmask(SIG_SETMASK, [], [pid 6408] set_robust_list(0x7f51c74739a0, 24 [pid 6407] set_robust_list(0x7f51c74739a0, 24 [pid 6403] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6401] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6408] <... set_robust_list resumed>) = 0 [pid 6407] <... set_robust_list resumed>) = 0 [pid 6403] <... futex resumed>) = 0 [pid 6401] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6408] rt_sigprocmask(SIG_SETMASK, [], [pid 6407] rt_sigprocmask(SIG_SETMASK, [], [pid 6403] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6408] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6401] <... futex resumed>) = 0 [pid 6394] +++ exited with 0 +++ [pid 6401] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6408] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6407] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6394, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 6407] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5820] <... restart_syscall resumed>) = 0 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6409 attached [pid 6409] set_robust_list(0x55557b9646a0, 24 [pid 6402] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6400] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5820] <... clone resumed>, child_tidptr=0x55557b964690) = 6409 [pid 6409] <... set_robust_list resumed>) = 0 [pid 6409] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6409] setpgid(0, 0) = 0 [pid 6409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6409] write(3, "1000", 4) = 4 [pid 6409] close(3) = 0 [pid 6409] write(1, "executing program\n", 18executing program ) = 18 [pid 6409] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6409] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6409] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6409] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6409] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6409] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6409] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6410 attached => {parent_tid=[6410]}, 88) = 6410 [pid 6403] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6401] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6409] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6409] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6410] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6409] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6410] <... rseq resumed>) = 0 [pid 6410] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 6410] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6410] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6409] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6405] <... unshare resumed>) = 0 [pid 6407] <... unshare resumed>) = 0 [pid 6406] <... unshare resumed>) = 0 [pid 6407] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6405] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6401] exit_group(0 [pid 6400] exit_group(0 [pid 6407] <... futex resumed>) = 0 [pid 6405] <... futex resumed>) = 0 [pid 6406] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6405] +++ exited with 0 +++ [pid 6401] <... exit_group resumed>) = ? [pid 6400] <... exit_group resumed>) = ? [pid 6407] +++ exited with 0 +++ [pid 6406] <... futex resumed>) = 0 [pid 6402] exit_group(0 [pid 6401] +++ exited with 0 +++ [pid 6400] +++ exited with 0 +++ [pid 6402] <... exit_group resumed>) = ? [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6401, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5822] restart_syscall(<... resuming interrupted clone ...> [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6400, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5817] restart_syscall(<... resuming interrupted clone ...> [pid 6406] +++ exited with 0 +++ [pid 6402] +++ exited with 0 +++ [pid 5822] <... restart_syscall resumed>) = 0 [pid 5817] <... restart_syscall resumed>) = 0 [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6402, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6416 attached ./strace-static-x86_64: Process 6415 attached ./strace-static-x86_64: Process 6414 attached [pid 5817] <... clone resumed>, child_tidptr=0x55557b964690) = 6414 [pid 6416] set_robust_list(0x55557b9646a0, 24 [pid 6415] set_robust_list(0x55557b9646a0, 24 [pid 6414] set_robust_list(0x55557b9646a0, 24 [pid 6416] <... set_robust_list resumed>) = 0 [pid 6415] <... set_robust_list resumed>) = 0 [pid 6414] <... set_robust_list resumed>) = 0 [pid 6416] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6415] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6414] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5825] <... clone resumed>, child_tidptr=0x55557b964690) = 6415 [pid 6416] setpgid(0, 0 [pid 6415] <... prctl resumed>) = 0 [pid 6414] <... prctl resumed>) = 0 [pid 6416] <... setpgid resumed>) = 0 [pid 6415] setpgid(0, 0 [pid 6414] setpgid(0, 0 [pid 5822] <... clone resumed>, child_tidptr=0x55557b964690) = 6416 [pid 6416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6415] <... setpgid resumed>) = 0 [pid 6414] <... setpgid resumed>) = 0 [pid 6414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6416] <... openat resumed>) = 3 [pid 6416] write(3, "1000", 4) = 4 [pid 6415] <... openat resumed>) = 3 [pid 6414] <... openat resumed>) = 3 executing program executing program executing program [pid 6416] close(3) = 0 [pid 6415] write(3, "1000", 4 [pid 6414] write(3, "1000", 4 [pid 6416] write(1, "executing program\n", 18 [pid 6415] <... write resumed>) = 4 [pid 6414] <... write resumed>) = 4 [pid 6416] <... write resumed>) = 18 [pid 6415] close(3 [pid 6414] close(3 [pid 6416] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6415] <... close resumed>) = 0 [pid 6416] <... futex resumed>) = 0 [pid 6415] write(1, "executing program\n", 18 [pid 6414] <... close resumed>) = 0 [pid 6416] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6415] <... write resumed>) = 18 [pid 6414] write(1, "executing program\n", 18 [pid 6416] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6415] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6414] <... write resumed>) = 18 [pid 6416] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6415] <... futex resumed>) = 0 [pid 6414] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6416] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6415] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6416] <... mmap resumed>) = 0x7f51c7453000 [pid 6415] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6414] <... futex resumed>) = 0 [pid 6416] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6415] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6414] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6416] <... mprotect resumed>) = 0 [pid 6415] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6414] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6415] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6414] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6416] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6415] <... mmap resumed>) = 0x7f51c7453000 [pid 6414] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6416] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6415] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6414] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6416] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6415] <... mprotect resumed>) = 0 [pid 6414] <... mmap resumed>) = 0x7f51c7453000 ./strace-static-x86_64: Process 6417 attached [pid 6415] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6417] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6416] <... clone3 resumed> => {parent_tid=[6417]}, 88) = 6417 [pid 6414] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6417] <... rseq resumed>) = 0 [pid 6416] rt_sigprocmask(SIG_SETMASK, [], [pid 6415] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6414] <... mprotect resumed>) = 0 [pid 6417] set_robust_list(0x7f51c74739a0, 24 [pid 6416] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6415] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6417] <... set_robust_list resumed>) = 0 [pid 6416] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6414] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 6418 attached [pid 6417] rt_sigprocmask(SIG_SETMASK, [], [pid 6416] <... futex resumed>) = 0 [pid 6414] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6418] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6417] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6416] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6415] <... clone3 resumed> => {parent_tid=[6418]}, 88) = 6418 [pid 6414] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6419 attached [pid 6418] <... rseq resumed>) = 0 [pid 6417] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6415] rt_sigprocmask(SIG_SETMASK, [], [pid 6419] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6418] set_robust_list(0x7f51c74739a0, 24 [pid 6414] <... clone3 resumed> => {parent_tid=[6419]}, 88) = 6419 [pid 6414] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6418] <... set_robust_list resumed>) = 0 [pid 6414] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6419] <... rseq resumed>) = 0 [pid 6414] <... futex resumed>) = 0 [pid 6419] set_robust_list(0x7f51c74739a0, 24 [pid 6418] rt_sigprocmask(SIG_SETMASK, [], [pid 6415] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6419] <... set_robust_list resumed>) = 0 [pid 6418] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6415] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6414] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6419] rt_sigprocmask(SIG_SETMASK, [], [pid 6418] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6415] <... futex resumed>) = 0 [pid 6419] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6419] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6415] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6414] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6416] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6415] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6408] <... unshare resumed>) = 0 [pid 6408] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6403] exit_group(0) = ? [pid 6408] +++ exited with 0 +++ [pid 6403] +++ exited with 0 +++ [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6403, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5818] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557b964690) = 6421 ./strace-static-x86_64: Process 6421 attached [pid 6421] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6421] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6421] setpgid(0, 0) = 0 [pid 6421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6410] <... unshare resumed>) = 0 [pid 6421] <... openat resumed>) = 3 [pid 6410] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6421] write(3, "1000", 4 [pid 6410] <... futex resumed>) = 0 [pid 6409] exit_group(0 [pid 6421] <... write resumed>) = 4 [pid 6409] <... exit_group resumed>) = ? [pid 6421] close(3) = 0 [pid 6421] write(1, "executing program\n", 18executing program ) = 18 [pid 6410] +++ exited with 0 +++ [pid 6409] +++ exited with 0 +++ [pid 6421] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6409, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6421] <... futex resumed>) = 0 [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 6421] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6421] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6421] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6421] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6421] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6421] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6423 attached => {parent_tid=[6423]}, 88) = 6423 [pid 5820] <... restart_syscall resumed>) = 0 [pid 6423] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6421] rt_sigprocmask(SIG_SETMASK, [], [pid 6423] <... rseq resumed>) = 0 [pid 6421] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6423] set_robust_list(0x7f51c74739a0, 24 [pid 6421] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6424 attached [pid 6423] <... set_robust_list resumed>) = 0 [pid 6421] <... futex resumed>) = 0 [pid 6424] set_robust_list(0x55557b9646a0, 24 [pid 6423] rt_sigprocmask(SIG_SETMASK, [], [pid 6421] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6424] <... set_robust_list resumed>) = 0 [pid 6423] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5820] <... clone resumed>, child_tidptr=0x55557b964690) = 6424 [pid 6423] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6424] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6424] setpgid(0, 0) = 0 [pid 6424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6424] write(3, "1000", 4) = 4 [pid 6424] close(3) = 0 executing program [pid 6424] write(1, "executing program\n", 18 [pid 6419] <... unshare resumed>) = 0 [pid 6424] <... write resumed>) = 18 [pid 6419] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6424] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6419] <... futex resumed>) = 0 [pid 6424] <... futex resumed>) = 0 [pid 6419] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6424] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6418] <... unshare resumed>) = 0 [pid 6414] exit_group(0) = ? [pid 6419] <... futex resumed>) = ? [pid 6419] +++ exited with 0 +++ [pid 6414] +++ exited with 0 +++ [pid 6417] <... unshare resumed>) = 0 [pid 6424] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6418] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6417] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6414, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6424] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6418] <... futex resumed>) = 0 [pid 6417] <... futex resumed>) = 0 [pid 6416] exit_group(0 [pid 6424] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6418] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6416] <... exit_group resumed>) = ? [pid 6415] exit_group(0 [pid 6424] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6417] +++ exited with 0 +++ [pid 6424] <... mmap resumed>) = 0x7f51c7453000 [pid 6418] <... futex resumed>) = ? [pid 6416] +++ exited with 0 +++ [pid 6415] <... exit_group resumed>) = ? [pid 6424] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6421] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6418] +++ exited with 0 +++ [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6416, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5822] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6428 attached [pid 6424] <... mprotect resumed>) = 0 [pid 6415] +++ exited with 0 +++ [pid 5822] <... clone resumed>, child_tidptr=0x55557b964690) = 6428 [pid 6428] set_robust_list(0x55557b9646a0, 24 [pid 6424] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6428] <... set_robust_list resumed>) = 0 [pid 6424] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6415, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6428] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6429 attached [pid 6428] <... prctl resumed>) = 0 [pid 6424] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6429] set_robust_list(0x55557b9646a0, 24 [pid 6428] setpgid(0, 0 [pid 6429] <... set_robust_list resumed>) = 0 [pid 6429] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6429] setpgid(0, 0 [pid 6428] <... setpgid resumed>) = 0 [pid 6429] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 6431 attached ./strace-static-x86_64: Process 6430 attached [pid 6428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6423] <... unshare resumed>) = 0 [pid 5825] <... clone resumed>, child_tidptr=0x55557b964690) = 6429 [pid 6431] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6430] set_robust_list(0x55557b9646a0, 24 [pid 6429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6428] <... openat resumed>) = 3 [pid 6424] <... clone3 resumed> => {parent_tid=[6431]}, 88) = 6431 [pid 6423] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5817] <... clone resumed>, child_tidptr=0x55557b964690) = 6430 [pid 6431] <... rseq resumed>) = 0 [pid 6430] <... set_robust_list resumed>) = 0 [pid 6429] <... openat resumed>) = 3 [pid 6428] write(3, "1000", 4 [pid 6424] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6424] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6424] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6428] <... write resumed>) = 4 [pid 6431] set_robust_list(0x7f51c74739a0, 24 [pid 6430] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6428] close(3 [pid 6423] <... futex resumed>) = 0 [pid 6429] write(3, "1000", 4executing program [pid 6430] <... prctl resumed>) = 0 [pid 6428] <... close resumed>) = 0 [pid 6423] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6421] exit_group(0 [pid 6429] <... write resumed>) = 4 [pid 6428] write(1, "executing program\n", 18 [pid 6423] <... futex resumed>) = ? [pid 6421] <... exit_group resumed>) = ? [pid 6431] <... set_robust_list resumed>) = 0 [pid 6430] setpgid(0, 0 [pid 6429] close(3 [pid 6428] <... write resumed>) = 18 [pid 6423] +++ exited with 0 +++ [pid 6421] +++ exited with 0 +++ [pid 6431] rt_sigprocmask(SIG_SETMASK, [], [pid 6430] <... setpgid resumed>) = 0 [pid 6429] <... close resumed>) = 0 [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6421, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5818] restart_syscall(<... resuming interrupted clone ...>executing program [pid 6429] write(1, "executing program\n", 18 [pid 6431] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6429] <... write resumed>) = 18 [pid 6428] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6429] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6430] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6429] <... futex resumed>) = 0 [pid 6428] <... futex resumed>) = 0 [pid 6431] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5818] <... restart_syscall resumed>) = 0 [pid 6430] <... openat resumed>) = 3 [pid 6429] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6428] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6430] write(3, "1000", 4 [pid 6429] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6428] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6433 attached [pid 6430] <... write resumed>) = 4 [pid 6429] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6428] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5818] <... clone resumed>, child_tidptr=0x55557b964690) = 6433 [pid 6429] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6428] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6429] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6428] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0executing program [pid 6430] close(3) = 0 [pid 6430] write(1, "executing program\n", 18 [pid 6428] <... mmap resumed>) = 0x7f51c7453000 [pid 6430] <... write resumed>) = 18 [pid 6429] <... mmap resumed>) = 0x7f51c7453000 [pid 6428] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6430] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6429] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6428] <... mprotect resumed>) = 0 [pid 6430] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6429] <... mprotect resumed>) = 0 [pid 6428] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6429] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6430] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6428] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6430] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6428] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6430] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6429] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 6434 attached [pid 6433] set_robust_list(0x55557b9646a0, 24 [pid 6430] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6429] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6434] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6433] <... set_robust_list resumed>) = 0 [pid 6428] <... clone3 resumed> => {parent_tid=[6434]}, 88) = 6434 ./strace-static-x86_64: Process 6435 attached [pid 6430] <... mmap resumed>) = 0x7f51c7453000 [pid 6430] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6429] <... clone3 resumed> => {parent_tid=[6435]}, 88) = 6435 [pid 6430] <... mprotect resumed>) = 0 [pid 6429] rt_sigprocmask(SIG_SETMASK, [], [pid 6428] rt_sigprocmask(SIG_SETMASK, [], [pid 6435] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6433] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6435] <... rseq resumed>) = 0 [pid 6430] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6429] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6428] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6435] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 6434] <... rseq resumed>) = 0 [pid 6430] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6429] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6428] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6435] rt_sigprocmask(SIG_SETMASK, [], [pid 6434] set_robust_list(0x7f51c74739a0, 24 [pid 6433] <... prctl resumed>) = 0 [pid 6429] <... futex resumed>) = 0 [pid 6424] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6435] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6428] <... futex resumed>) = 0 [pid 6435] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6434] <... set_robust_list resumed>) = 0 [pid 6433] setpgid(0, 0 [pid 6430] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6429] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6428] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6436 attached [pid 6430] <... clone3 resumed> => {parent_tid=[6436]}, 88) = 6436 [pid 6436] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6434] rt_sigprocmask(SIG_SETMASK, [], [pid 6433] <... setpgid resumed>) = 0 [pid 6430] rt_sigprocmask(SIG_SETMASK, [], [pid 6434] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6430] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6436] <... rseq resumed>) = 0 [pid 6434] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6433] <... openat resumed>) = 3 [pid 6430] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6436] set_robust_list(0x7f51c74739a0, 24 [pid 6433] write(3, "1000", 4 [pid 6430] <... futex resumed>) = 0 [pid 6433] <... write resumed>) = 4 [pid 6433] close(3) = 0 [pid 6430] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 6433] write(1, "executing program\n", 18) = 18 [pid 6433] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6436] <... set_robust_list resumed>) = 0 [pid 6433] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6433] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6433] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6433] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6433] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6436] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6433] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6436] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6433] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6437 attached => {parent_tid=[6437]}, 88) = 6437 [pid 6437] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053) = 0 [pid 6437] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 6437] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6437] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6433] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6433] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6437] <... futex resumed>) = 0 [pid 6437] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6433] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6429] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6428] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6430] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6431] <... unshare resumed>) = 0 [pid 6431] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6424] exit_group(0) = ? [pid 6431] +++ exited with 0 +++ [pid 6424] +++ exited with 0 +++ [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6424, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6439 attached [pid 6439] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6439] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5820] <... clone resumed>, child_tidptr=0x55557b964690) = 6439 [pid 6439] setpgid(0, 0) = 0 [pid 6439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 6439] write(3, "1000", 4 [pid 6433] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6439] <... write resumed>) = 4 [pid 6439] close(3) = 0 [pid 6439] write(1, "executing program\n", 18) = 18 [pid 6439] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6439] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6439] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6439] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6439] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6439] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6439] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6440 attached [pid 6440] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053) = 0 [pid 6440] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 6440] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6440] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6439] <... clone3 resumed> => {parent_tid=[6440]}, 88) = 6440 [pid 6439] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6439] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6440] <... futex resumed>) = 0 [pid 6440] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6439] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6434] <... unshare resumed>) = 0 [pid 6434] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6434] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6428] exit_group(0 [pid 6434] <... futex resumed>) = ? [pid 6428] <... exit_group resumed>) = ? [pid 6434] +++ exited with 0 +++ [pid 6428] +++ exited with 0 +++ [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6428, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5822] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6442 attached , child_tidptr=0x55557b964690) = 6442 [pid 6442] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6442] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6442] setpgid(0, 0) = 0 [pid 6442] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6442] write(3, "1000", 4) = 4 [pid 6442] close(3) = 0 executing program [pid 6442] write(1, "executing program\n", 18) = 18 [pid 6442] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6442] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6442] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6442] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6442] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6442] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6442] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6443 attached [pid 6443] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6442] <... clone3 resumed> => {parent_tid=[6443]}, 88) = 6443 [pid 6435] <... unshare resumed>) = 0 [pid 6442] rt_sigprocmask(SIG_SETMASK, [], [pid 6435] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6443] <... rseq resumed>) = 0 [pid 6442] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6435] <... futex resumed>) = 0 [pid 6443] set_robust_list(0x7f51c74739a0, 24 [pid 6442] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6435] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6429] exit_group(0 [pid 6443] <... set_robust_list resumed>) = 0 [pid 6442] <... futex resumed>) = 0 [pid 6436] <... unshare resumed>) = 0 [pid 6435] <... futex resumed>) = ? [pid 6429] <... exit_group resumed>) = ? [pid 6443] rt_sigprocmask(SIG_SETMASK, [], [pid 6442] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6436] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6435] +++ exited with 0 +++ [pid 6429] +++ exited with 0 +++ [pid 6443] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6436] <... futex resumed>) = 0 [pid 6430] exit_group(0 [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6429, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6443] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6430] <... exit_group resumed>) = ? [pid 5825] restart_syscall(<... resuming interrupted clone ...> [pid 6436] +++ exited with 0 +++ [pid 6430] +++ exited with 0 +++ [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6430, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5825] <... restart_syscall resumed>) = 0 [pid 5817] restart_syscall(<... resuming interrupted clone ...> [pid 6437] <... unshare resumed>) = 0 [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6447 attached [pid 6447] set_robust_list(0x55557b9646a0, 24 [pid 6437] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] <... clone resumed>, child_tidptr=0x55557b964690) = 6447 [pid 5817] <... restart_syscall resumed>) = 0 [pid 6447] <... set_robust_list resumed>) = 0 [pid 6437] <... futex resumed>) = 0 [pid 6433] exit_group(0 [pid 6447] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6433] <... exit_group resumed>) = ? [pid 6447] <... prctl resumed>) = 0 [pid 6447] setpgid(0, 0) = 0 [pid 6437] +++ exited with 0 +++ [pid 6447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6447] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6448 attached [pid 6447] write(3, "1000", 4 [pid 6433] +++ exited with 0 +++ [pid 5817] <... clone resumed>, child_tidptr=0x55557b964690) = 6448 [pid 6447] <... write resumed>) = 4 [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6433, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6447] close(3./strace-static-x86_64: Process 6450 attached [pid 6448] set_robust_list(0x55557b9646a0, 24 [pid 6447] <... close resumed>) = 0 [pid 5818] <... clone resumed>, child_tidptr=0x55557b964690) = 6450 [pid 6450] set_robust_list(0x55557b9646a0, 24 [pid 6447] write(1, "executing program\n", 18 [pid 6448] <... set_robust_list resumed>) = 0 [pid 6440] <... unshare resumed>) = 0 [pid 6448] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6448] setpgid(0, 0) = 0 executing program [pid 6448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6447] <... write resumed>) = 18 [pid 6448] <... openat resumed>) = 3 [pid 6447] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6440] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6448] write(3, "1000", 4 [pid 6440] <... futex resumed>) = 0 [pid 6448] <... write resumed>) = 4 [pid 6447] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6440] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6450] <... set_robust_list resumed>) = 0 [pid 6448] close(3 [pid 6447] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6448] <... close resumed>) = 0 executing program [pid 6447] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6439] exit_group(0 [pid 6450] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6448] write(1, "executing program\n", 18 [pid 6450] <... prctl resumed>) = 0 [pid 6448] <... write resumed>) = 18 [pid 6447] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6440] <... futex resumed>) = ? [pid 6439] <... exit_group resumed>) = ? [pid 6450] setpgid(0, 0 [pid 6448] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6447] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6450] <... setpgid resumed>) = 0 [pid 6448] <... futex resumed>) = 0 [pid 6447] <... mmap resumed>) = 0x7f51c7453000 [pid 6448] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6447] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6448] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6448] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6447] <... mprotect resumed>) = 0 [pid 6440] +++ exited with 0 +++ [pid 6439] +++ exited with 0 +++ [pid 6450] <... openat resumed>) = 3 [pid 6448] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6447] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6439, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6448] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 6448] <... mmap resumed>) = 0x7f51c7453000 [pid 6448] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6442] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6447] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6447] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}executing program ./strace-static-x86_64: Process 6451 attached [pid 6448] <... mprotect resumed>) = 0 [pid 5820] <... restart_syscall resumed>) = 0 [pid 6451] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053) = 0 [pid 6450] write(3, "1000", 4 [pid 6447] <... clone3 resumed> => {parent_tid=[6451]}, 88) = 6451 [pid 6451] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6451] rt_sigprocmask(SIG_SETMASK, [], [pid 6450] <... write resumed>) = 4 [pid 6447] rt_sigprocmask(SIG_SETMASK, [], [pid 6450] close(3 [pid 6447] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6450] <... close resumed>) = 0 [pid 6447] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6450] write(1, "executing program\n", 18 [pid 6447] <... futex resumed>) = 0 [pid 6450] <... write resumed>) = 18 [pid 6447] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6452 attached [pid 6451] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6450] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6451] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5820] <... clone resumed>, child_tidptr=0x55557b964690) = 6452 [pid 6450] <... futex resumed>) = 0 [pid 6450] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6450] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6450] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6450] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6450] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6450] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6453 attached [pid 6452] set_robust_list(0x55557b9646a0, 24 [pid 6448] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6452] <... set_robust_list resumed>) = 0 [pid 6450] <... clone3 resumed> => {parent_tid=[6453]}, 88) = 6453 [pid 6453] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6448] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6452] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6453] <... rseq resumed>) = 0 [pid 6448] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6452] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 6454 attached [pid 6453] set_robust_list(0x7f51c74739a0, 24 [pid 6452] setpgid(0, 0 [pid 6450] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6450] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6452] <... setpgid resumed>) = 0 [pid 6450] <... futex resumed>) = 0 [pid 6450] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6452] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6454] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6453] <... set_robust_list resumed>) = 0 [pid 6448] <... clone3 resumed> => {parent_tid=[6454]}, 88) = 6454 [pid 6454] <... rseq resumed>) = 0 [pid 6453] rt_sigprocmask(SIG_SETMASK, [], [pid 6448] rt_sigprocmask(SIG_SETMASK, [], [pid 6454] set_robust_list(0x7f51c74739a0, 24 [pid 6453] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6448] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6454] <... set_robust_list resumed>) = 0 [pid 6453] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6448] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6454] rt_sigprocmask(SIG_SETMASK, [], [pid 6448] <... futex resumed>) = 0 [pid 6454] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6454] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6452] <... openat resumed>) = 3 [pid 6448] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6452] write(3, "1000", 4) = 4 [pid 6452] close(3) = 0 [pid 6452] write(1, "executing program\n", 18executing program ) = 18 [pid 6452] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6452] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6452] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6452] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6447] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6452] <... mmap resumed>) = 0x7f51c7453000 [pid 6452] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6452] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6450] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6452] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6443] <... unshare resumed>) = 0 [pid 6443] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6456 attached ) = 0 [pid 6448] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6452] <... clone3 resumed> => {parent_tid=[6456]}, 88) = 6456 [pid 6452] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6452] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6452] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6456] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6443] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6442] exit_group(0 [pid 6456] <... rseq resumed>) = 0 [pid 6442] <... exit_group resumed>) = ? [pid 6456] set_robust_list(0x7f51c74739a0, 24 [pid 6443] <... futex resumed>) = ? [pid 6456] <... set_robust_list resumed>) = 0 [pid 6443] +++ exited with 0 +++ [pid 6456] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6456] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6442] +++ exited with 0 +++ [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6442, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5822] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6457 attached , child_tidptr=0x55557b964690) = 6457 [pid 6457] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6457] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6457] setpgid(0, 0) = 0 [pid 6457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 6457] write(3, "1000", 4 [pid 6452] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6457] <... write resumed>) = 4 [pid 6457] close(3) = 0 [pid 6457] write(1, "executing program\n", 18) = 18 [pid 6457] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6457] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6457] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6457] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6457] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6457] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6457] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} => {parent_tid=[6458]}, 88) = 6458 [pid 6457] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6457] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6457] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6458 attached [pid 6458] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053) = 0 [pid 6458] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 6458] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6458] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6451] <... unshare resumed>) = 0 [pid 6453] <... unshare resumed>) = 0 [pid 6451] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6447] exit_group(0) = ? [pid 6453] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6451] <... futex resumed>) = ? [pid 6453] <... futex resumed>) = 0 [pid 6450] exit_group(0 [pid 6453] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6451] +++ exited with 0 +++ [pid 6447] +++ exited with 0 +++ [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6447, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6450] <... exit_group resumed>) = ? [pid 6457] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6453] <... futex resumed>) = ? [pid 6456] <... unshare resumed>) = 0 [pid 6453] +++ exited with 0 +++ [pid 6450] +++ exited with 0 +++ [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6450, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6456] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6456] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6452] exit_group(0 [pid 6456] <... futex resumed>) = ? [pid 6452] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6463 attached ./strace-static-x86_64: Process 6462 attached [pid 6456] +++ exited with 0 +++ [pid 6462] set_robust_list(0x55557b9646a0, 24 [pid 5818] <... clone resumed>, child_tidptr=0x55557b964690) = 6462 [pid 5825] <... clone resumed>, child_tidptr=0x55557b964690) = 6463 [pid 6463] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6462] <... set_robust_list resumed>) = 0 [pid 6463] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6462] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6454] <... unshare resumed>) = 0 [pid 6463] <... prctl resumed>) = 0 [pid 6462] <... prctl resumed>) = 0 [pid 6452] +++ exited with 0 +++ [pid 6463] setpgid(0, 0 [pid 6462] setpgid(0, 0 [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6452, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6463] <... setpgid resumed>) = 0 [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 6462] <... setpgid resumed>) = 0 [pid 6463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6462] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6463] <... openat resumed>) = 3 [pid 6462] <... openat resumed>) = 3 [pid 6454] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5820] <... restart_syscall resumed>) = 0 [pid 6454] <... futex resumed>) = 0 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6454] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6448] exit_group(0 [pid 6454] <... futex resumed>) = ? [pid 6448] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6465 attached [pid 6454] +++ exited with 0 +++ [pid 6448] +++ exited with 0 +++ [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6448, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6465] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6463] write(3, "1000", 4) = 4 [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6466 attached [pid 6465] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6463] close(3 [pid 6462] write(3, "1000", 4 [pid 5820] <... clone resumed>, child_tidptr=0x55557b964690) = 6465 [pid 6465] <... prctl resumed>) = 0 [pid 6465] setpgid(0, 0executing program executing program ) = 0 [pid 6462] <... write resumed>) = 4 [pid 6463] <... close resumed>) = 0 [pid 6462] close(3) = 0 [pid 6465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6463] write(1, "executing program\n", 18 [pid 6462] write(1, "executing program\n", 18 [pid 5817] <... clone resumed>, child_tidptr=0x55557b964690) = 6466 [pid 6465] <... openat resumed>) = 3 [pid 6463] <... write resumed>) = 18 [pid 6462] <... write resumed>) = 18 [pid 6466] set_robust_list(0x55557b9646a0, 24 [pid 6465] write(3, "1000", 4 [pid 6463] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6462] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6458] <... unshare resumed>) = 0 [pid 6466] <... set_robust_list resumed>) = 0 [pid 6465] <... write resumed>) = 4 [pid 6463] <... futex resumed>) = 0 [pid 6462] <... futex resumed>) = 0 [pid 6466] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6465] close(3 [pid 6458] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6466] <... prctl resumed>) = 0 [pid 6465] <... close resumed>) = 0 [pid 6463] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6462] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6458] <... futex resumed>) = 0 [pid 6466] setpgid(0, 0executing program [pid 6465] write(1, "executing program\n", 18 [pid 6463] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6462] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6458] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6466] <... setpgid resumed>) = 0 [pid 6465] <... write resumed>) = 18 [pid 6463] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6462] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6457] exit_group(0 [pid 6466] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6465] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6463] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6462] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6457] <... exit_group resumed>) = ? [pid 6465] <... futex resumed>) = 0 [pid 6462] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6458] <... futex resumed>) = ? [pid 6463] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6466] <... openat resumed>) = 3 [pid 6465] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6462] <... mmap resumed>) = 0x7f51c7453000 [pid 6465] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6458] +++ exited with 0 +++ [pid 6463] <... mmap resumed>) = 0x7f51c7453000 [pid 6457] +++ exited with 0 +++ [pid 6466] write(3, "1000", 4 [pid 6465] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6463] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6462] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6466] <... write resumed>) = 4 [pid 6466] close(3 [pid 6463] <... mprotect resumed>) = 0 [pid 6462] <... mprotect resumed>) = 0 [pid 6466] <... close resumed>) = 0 [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6457, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6466] write(1, "executing program\n", 18executing program ) = 18 [pid 6465] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6463] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6462] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6465] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6465] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6465] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6465] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6469 attached ./strace-static-x86_64: Process 6468 attached [pid 6463] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6462] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6466] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6465] <... clone3 resumed> => {parent_tid=[6469]}, 88) = 6469 [pid 6465] rt_sigprocmask(SIG_SETMASK, [], [pid 6462] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6466] <... futex resumed>) = 0 [pid 6469] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6468] set_robust_list(0x55557b9646a0, 24 [pid 6465] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6463] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 5822] <... clone resumed>, child_tidptr=0x55557b964690) = 6468 ./strace-static-x86_64: Process 6470 attached [pid 6469] <... rseq resumed>) = 0 [pid 6468] <... set_robust_list resumed>) = 0 [pid 6466] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6465] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6471 attached [pid 6469] set_robust_list(0x7f51c74739a0, 24 [pid 6468] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6466] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6465] <... futex resumed>) = 0 [pid 6469] <... set_robust_list resumed>) = 0 [pid 6465] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6463] <... clone3 resumed> => {parent_tid=[6471]}, 88) = 6471 [pid 6462] <... clone3 resumed> => {parent_tid=[6470]}, 88) = 6470 [pid 6471] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6470] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6468] <... prctl resumed>) = 0 [pid 6466] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6471] <... rseq resumed>) = 0 [pid 6470] <... rseq resumed>) = 0 [pid 6469] rt_sigprocmask(SIG_SETMASK, [], [pid 6468] setpgid(0, 0 [pid 6466] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6462] rt_sigprocmask(SIG_SETMASK, [], [pid 6471] set_robust_list(0x7f51c74739a0, 24 [pid 6470] set_robust_list(0x7f51c74739a0, 24 [pid 6469] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6468] <... setpgid resumed>) = 0 [pid 6466] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6463] rt_sigprocmask(SIG_SETMASK, [], [pid 6462] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6471] <... set_robust_list resumed>) = 0 [pid 6470] <... set_robust_list resumed>) = 0 [pid 6469] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6468] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6466] <... mmap resumed>) = 0x7f51c7453000 [pid 6462] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6463] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6471] rt_sigprocmask(SIG_SETMASK, [], [pid 6470] rt_sigprocmask(SIG_SETMASK, [], [pid 6463] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6462] <... futex resumed>) = 0 [pid 6471] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6470] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6466] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6463] <... futex resumed>) = 0 [pid 6462] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6471] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6470] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6466] <... mprotect resumed>) = 0 [pid 6463] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6468] <... openat resumed>) = 3 [pid 6466] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6466] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6472 attached [pid 6468] write(3, "1000", 4 [pid 6472] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6468] <... write resumed>) = 4 [pid 6472] <... rseq resumed>) = 0 [pid 6466] <... clone3 resumed> => {parent_tid=[6472]}, 88) = 6472 [pid 6472] set_robust_list(0x7f51c74739a0, 24 [pid 6468] close(3) = 0 executing program [pid 6468] write(1, "executing program\n", 18) = 18 [pid 6468] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6468] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6468] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6468] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6468] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6468] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6468] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6473 attached [pid 6472] <... set_robust_list resumed>) = 0 [pid 6466] rt_sigprocmask(SIG_SETMASK, [], [pid 6468] <... clone3 resumed> => {parent_tid=[6473]}, 88) = 6473 [pid 6468] rt_sigprocmask(SIG_SETMASK, [], [pid 6472] rt_sigprocmask(SIG_SETMASK, [], [pid 6468] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6466] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6473] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6472] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6468] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6466] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6473] <... rseq resumed>) = 0 [pid 6472] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6468] <... futex resumed>) = 0 [pid 6466] <... futex resumed>) = 0 [pid 6473] set_robust_list(0x7f51c74739a0, 24 [pid 6468] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6466] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6473] <... set_robust_list resumed>) = 0 [pid 6473] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6473] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6465] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6463] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6462] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6468] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6466] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6471] <... unshare resumed>) = 0 [pid 6471] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6463] exit_group(0 [pid 6471] <... futex resumed>) = ? [pid 6463] <... exit_group resumed>) = ? [pid 6471] +++ exited with 0 +++ [pid 6470] <... unshare resumed>) = 0 [pid 6463] +++ exited with 0 +++ [pid 6470] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6463, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5825] restart_syscall(<... resuming interrupted clone ...> [pid 6470] <... futex resumed>) = 0 [pid 6462] exit_group(0 [pid 5825] <... restart_syscall resumed>) = 0 [pid 6462] <... exit_group resumed>) = ? [pid 6470] +++ exited with 0 +++ [pid 6462] +++ exited with 0 +++ [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6476 attached [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6462, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5818] restart_syscall(<... resuming interrupted clone ...> [pid 6476] set_robust_list(0x55557b9646a0, 24 [pid 5825] <... clone resumed>, child_tidptr=0x55557b964690) = 6476 [pid 6476] <... set_robust_list resumed>) = 0 [pid 6476] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6472] <... unshare resumed>) = 0 [pid 6476] setpgid(0, 0) = 0 [pid 6476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5818] <... restart_syscall resumed>) = 0 [pid 6476] <... openat resumed>) = 3 [pid 6472] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6476] write(3, "1000", 4) = 4 [pid 6466] exit_group(0 [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6476] close(3 [pid 6472] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6478 attached [pid 6476] <... close resumed>) = 0 [pid 6472] +++ exited with 0 +++ [pid 6466] <... exit_group resumed>) = ? [pid 5818] <... clone resumed>, child_tidptr=0x55557b964690) = 6478 executing program [pid 6478] set_robust_list(0x55557b9646a0, 24 [pid 6476] write(1, "executing program\n", 18 [pid 6466] +++ exited with 0 +++ [pid 6478] <... set_robust_list resumed>) = 0 [pid 6476] <... write resumed>) = 18 [pid 6478] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6476] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6478] <... prctl resumed>) = 0 [pid 6476] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6466, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6478] setpgid(0, 0 [pid 6476] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6478] <... setpgid resumed>) = 0 [pid 6478] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6476] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 6479 attached [pid 5817] <... clone resumed>, child_tidptr=0x55557b964690) = 6479 [pid 6476] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6479] set_robust_list(0x55557b9646a0, 24 [pid 6476] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6479] <... set_robust_list resumed>) = 0 [pid 6478] <... openat resumed>) = 3 [pid 6476] <... mmap resumed>) = 0x7f51c7453000 [pid 6479] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6476] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6479] <... prctl resumed>) = 0 [pid 6478] write(3, "1000", 4 [pid 6476] <... mprotect resumed>) = 0 [pid 6479] setpgid(0, 0 [pid 6478] <... write resumed>) = 4 [pid 6476] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6479] <... setpgid resumed>) = 0 [pid 6478] close(3 [pid 6479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6478] <... close resumed>) = 0 executing program [pid 6478] write(1, "executing program\n", 18 [pid 6476] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6479] <... openat resumed>) = 3 [pid 6478] <... write resumed>) = 18 [pid 6476] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6480 attached [pid 6478] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6479] write(3, "1000", 4 [pid 6478] <... futex resumed>) = 0 [pid 6476] <... clone3 resumed> => {parent_tid=[6480]}, 88) = 6480 [pid 6480] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6479] <... write resumed>) = 4 [pid 6478] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6476] rt_sigprocmask(SIG_SETMASK, [], [pid 6479] close(3 [pid 6478] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6476] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6480] <... rseq resumed>) = 0 [pid 6476] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6480] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 6479] <... close resumed>) = 0 [pid 6478] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6476] <... futex resumed>) = 0 [pid 6480] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6479] write(1, "executing program\n", 18 [pid 6478] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6476] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 6480] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6479] <... write resumed>) = 18 [pid 6478] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6479] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6478] <... mmap resumed>) = 0x7f51c7453000 [pid 6479] <... futex resumed>) = 0 [pid 6478] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6479] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6478] <... mprotect resumed>) = 0 [pid 6479] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6478] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6479] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6478] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6479] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6478] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6481 attached [pid 6479] <... mmap resumed>) = 0x7f51c7453000 [pid 6481] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6479] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6478] <... clone3 resumed> => {parent_tid=[6481]}, 88) = 6481 [pid 6481] <... rseq resumed>) = 0 [pid 6479] <... mprotect resumed>) = 0 [pid 6478] rt_sigprocmask(SIG_SETMASK, [], [pid 6481] set_robust_list(0x7f51c74739a0, 24 [pid 6479] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6478] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6481] <... set_robust_list resumed>) = 0 [pid 6481] rt_sigprocmask(SIG_SETMASK, [], [pid 6479] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6478] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6481] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6479] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6478] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6482 attached [pid 6481] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6478] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6482] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053) = 0 [pid 6479] <... clone3 resumed> => {parent_tid=[6482]}, 88) = 6482 [pid 6482] set_robust_list(0x7f51c74739a0, 24 [pid 6479] rt_sigprocmask(SIG_SETMASK, [], [pid 6482] <... set_robust_list resumed>) = 0 [pid 6479] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6479] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6482] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6479] <... futex resumed>) = 0 [pid 6479] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6482] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6476] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6478] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6479] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6469] <... unshare resumed>) = 0 [pid 6469] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6469] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6465] exit_group(0 [pid 6469] <... futex resumed>) = ? [pid 6465] <... exit_group resumed>) = ? [pid 6469] +++ exited with 0 +++ [pid 6465] +++ exited with 0 +++ [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6465, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 6473] <... unshare resumed>) = 0 [pid 5820] <... restart_syscall resumed>) = 0 [pid 6473] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6473] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6468] exit_group(0 [pid 6473] <... futex resumed>) = ? [pid 6468] <... exit_group resumed>) = ? [pid 5820] <... clone resumed>, child_tidptr=0x55557b964690) = 6485 ./strace-static-x86_64: Process 6485 attached [pid 6473] +++ exited with 0 +++ [pid 6485] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6485] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6468] +++ exited with 0 +++ [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6468, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6485] setpgid(0, 0) = 0 [pid 6485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6485] <... openat resumed>) = 3 [pid 6485] write(3, "1000", 4./strace-static-x86_64: Process 6486 attached [pid 6486] set_robust_list(0x55557b9646a0, 24 [pid 6485] <... write resumed>) = 4 [pid 5822] <... clone resumed>, child_tidptr=0x55557b964690) = 6486 [pid 6485] close(3) = 0 [pid 6486] <... set_robust_list resumed>) = 0 [pid 6486] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6485] write(1, "executing program\n", 18executing program ) = 18 [pid 6485] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6485] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6486] <... prctl resumed>) = 0 [pid 6486] setpgid(0, 0 [pid 6485] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6486] <... setpgid resumed>) = 0 executing program [pid 6485] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6485] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6486] <... openat resumed>) = 3 [pid 6485] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6486] write(3, "1000", 4 [pid 6485] <... mmap resumed>) = 0x7f51c7453000 [pid 6486] <... write resumed>) = 4 [pid 6485] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6486] close(3 [pid 6485] <... mprotect resumed>) = 0 [pid 6486] <... close resumed>) = 0 [pid 6485] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6486] write(1, "executing program\n", 18 [pid 6485] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6486] <... write resumed>) = 18 [pid 6485] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6487 attached [pid 6486] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6485] <... clone3 resumed> => {parent_tid=[6487]}, 88) = 6487 [pid 6487] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6486] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6485] rt_sigprocmask(SIG_SETMASK, [], [pid 6487] <... rseq resumed>) = 0 [pid 6486] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6485] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6487] set_robust_list(0x7f51c74739a0, 24 [pid 6486] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6485] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6486] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6485] <... futex resumed>) = 0 [pid 6486] <... mmap resumed>) = 0x7f51c7453000 [pid 6485] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6486] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6487] <... set_robust_list resumed>) = 0 [pid 6487] rt_sigprocmask(SIG_SETMASK, [], [pid 6486] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6487] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6480] <... unshare resumed>) = 0 [pid 6487] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6486] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6486] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} => {parent_tid=[6489]}, 88) = 6489 [pid 6486] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6486] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6486] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6489 attached [pid 6489] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6480] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6476] exit_group(0 [pid 6489] <... rseq resumed>) = 0 [pid 6480] <... futex resumed>) = 0 [pid 6489] set_robust_list(0x7f51c74739a0, 24 [pid 6480] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6485] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6476] <... exit_group resumed>) = ? [pid 6489] <... set_robust_list resumed>) = 0 [pid 6480] <... futex resumed>) = ? [pid 6489] rt_sigprocmask(SIG_SETMASK, [], [pid 6482] <... unshare resumed>) = 0 [pid 6481] <... unshare resumed>) = 0 [pid 6480] +++ exited with 0 +++ [pid 6476] +++ exited with 0 +++ [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6476, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6489] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6486] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6482] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6481] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6479] exit_group(0 [pid 6478] exit_group(0 [pid 6479] <... exit_group resumed>) = ? [pid 6478] <... exit_group resumed>) = ? [pid 5825] <... clone resumed>, child_tidptr=0x55557b964690) = 6492 ./strace-static-x86_64: Process 6492 attached [pid 6489] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6482] <... futex resumed>) = ? [pid 6481] <... futex resumed>) = ? [pid 6482] +++ exited with 0 +++ [pid 6481] +++ exited with 0 +++ [pid 6479] +++ exited with 0 +++ [pid 6478] +++ exited with 0 +++ [pid 6492] set_robust_list(0x55557b9646a0, 24 [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6478, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6479, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5818] restart_syscall(<... resuming interrupted clone ...> [pid 5817] restart_syscall(<... resuming interrupted clone ...> [pid 5818] <... restart_syscall resumed>) = 0 [pid 5817] <... restart_syscall resumed>) = 0 [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6493 attached [pid 6492] <... set_robust_list resumed>) = 0 [pid 5818] <... clone resumed>, child_tidptr=0x55557b964690) = 6493 [pid 5817] <... clone resumed>, child_tidptr=0x55557b964690) = 6494 [pid 6492] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6493] set_robust_list(0x55557b9646a0, 24 [pid 6492] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 6494 attached [pid 6493] <... set_robust_list resumed>) = 0 [pid 6492] setpgid(0, 0 [pid 6494] set_robust_list(0x55557b9646a0, 24 [pid 6493] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6492] <... setpgid resumed>) = 0 [pid 6494] <... set_robust_list resumed>) = 0 [pid 6493] <... prctl resumed>) = 0 [pid 6492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6493] setpgid(0, 0) = 0 [pid 6492] <... openat resumed>) = 3 [pid 6494] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6492] write(3, "1000", 4) = 4 [pid 6494] <... prctl resumed>) = 0 [pid 6494] setpgid(0, 0 [pid 6493] <... openat resumed>) = 3 executing program [pid 6492] close(3 [pid 6494] <... setpgid resumed>) = 0 [pid 6492] <... close resumed>) = 0 [pid 6492] write(1, "executing program\n", 18 [pid 6494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6492] <... write resumed>) = 18 [pid 6492] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6493] write(3, "1000", 4 [pid 6494] <... openat resumed>) = 3 [pid 6493] <... write resumed>) = 4 [pid 6492] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6494] write(3, "1000", 4 [pid 6493] close(3 [pid 6494] <... write resumed>) = 4 [pid 6493] <... close resumed>) = 0 [pid 6492] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6493] write(1, "executing program\n", 18executing program [pid 6494] close(3 [pid 6493] <... write resumed>) = 18 [pid 6492] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6494] <... close resumed>) = 0 [pid 6494] write(1, "executing program\n", 18 [pid 6493] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6492] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 6494] <... write resumed>) = 18 [pid 6493] <... futex resumed>) = 0 [pid 6492] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6494] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6492] <... mmap resumed>) = 0x7f51c7453000 [pid 6494] <... futex resumed>) = 0 [pid 6493] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6492] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6494] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6493] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6492] <... mprotect resumed>) = 0 [pid 6494] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6493] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6494] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6493] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6492] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6494] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6493] <... mmap resumed>) = 0x7f51c7453000 [pid 6492] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6494] <... mmap resumed>) = 0x7f51c7453000 [pid 6493] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6492] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6493] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6495 attached [pid 6494] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6493] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6492] <... clone3 resumed> => {parent_tid=[6495]}, 88) = 6495 [pid 6495] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6492] rt_sigprocmask(SIG_SETMASK, [], [pid 6495] <... rseq resumed>) = 0 [pid 6493] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6495] set_robust_list(0x7f51c74739a0, 24 [pid 6494] <... mprotect resumed>) = 0 [pid 6493] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6492] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6495] <... set_robust_list resumed>) = 0 [pid 6492] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6495] rt_sigprocmask(SIG_SETMASK, [], [pid 6493] <... clone3 resumed> => {parent_tid=[6496]}, 88) = 6496 [pid 6492] <... futex resumed>) = 0 [pid 6495] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6493] rt_sigprocmask(SIG_SETMASK, [], [pid 6495] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6493] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6492] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6496 attached [pid 6496] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053) = 0 [pid 6496] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 6496] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6496] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6493] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6496] <... futex resumed>) = 0 [pid 6493] <... futex resumed>) = 1 [pid 6496] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6494] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6493] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6494] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6494] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6497 attached [pid 6497] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6494] <... clone3 resumed> => {parent_tid=[6497]}, 88) = 6497 [pid 6497] <... rseq resumed>) = 0 [pid 6494] rt_sigprocmask(SIG_SETMASK, [], [pid 6497] set_robust_list(0x7f51c74739a0, 24 [pid 6494] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6497] <... set_robust_list resumed>) = 0 [pid 6494] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6497] rt_sigprocmask(SIG_SETMASK, [], [pid 6494] <... futex resumed>) = 0 [pid 6497] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6497] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6494] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6492] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6493] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6487] <... unshare resumed>) = 0 [pid 6487] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6487] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6485] exit_group(0 [pid 6487] <... futex resumed>) = ? [pid 6485] <... exit_group resumed>) = ? [pid 6487] +++ exited with 0 +++ [pid 6485] +++ exited with 0 +++ [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6485, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6499 attached [pid 6494] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5820] <... clone resumed>, child_tidptr=0x55557b964690) = 6499 [pid 6499] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6499] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6499] setpgid(0, 0) = 0 [pid 6499] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6499] write(3, "1000", 4) = 4 [pid 6499] close(3) = 0 [pid 6499] write(1, "executing program\n", 18executing program ) = 18 [pid 6499] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6499] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6499] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6489] <... unshare resumed>) = 0 [pid 6499] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6499] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6489] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6499] <... mmap resumed>) = 0x7f51c7453000 [pid 6489] <... futex resumed>) = 0 [pid 6499] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6489] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6499] <... mprotect resumed>) = 0 [pid 6486] exit_group(0 [pid 6489] <... futex resumed>) = ? [pid 6499] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6489] +++ exited with 0 +++ [pid 6486] <... exit_group resumed>) = ? [pid 6499] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6499] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6486] +++ exited with 0 +++ ./strace-static-x86_64: Process 6501 attached [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6486, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5822] restart_syscall(<... resuming interrupted clone ...> [pid 6499] <... clone3 resumed> => {parent_tid=[6501]}, 88) = 6501 [pid 5822] <... restart_syscall resumed>) = 0 [pid 6499] rt_sigprocmask(SIG_SETMASK, [], [pid 6501] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6499] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6501] <... rseq resumed>) = 0 [pid 6501] set_robust_list(0x7f51c74739a0, 24 [pid 6496] <... unshare resumed>) = 0 [pid 6501] <... set_robust_list resumed>) = 0 [pid 6501] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6501] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6496] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6499] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6493] exit_group(0 [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6501] <... futex resumed>) = 0 [pid 6499] <... futex resumed>) = 1 [pid 6493] <... exit_group resumed>) = ? [pid 6501] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6496] <... futex resumed>) = ? [pid 6499] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6496] +++ exited with 0 +++ [pid 6493] +++ exited with 0 +++ ./strace-static-x86_64: Process 6504 attached [pid 6495] <... unshare resumed>) = 0 [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6493, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6495] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5822] <... clone resumed>, child_tidptr=0x55557b964690) = 6504 [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6495] <... futex resumed>) = 0 [pid 6495] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6492] exit_group(0 [pid 6504] set_robust_list(0x55557b9646a0, 24 [pid 6492] <... exit_group resumed>) = ? [pid 6495] <... futex resumed>) = ? [pid 6495] +++ exited with 0 +++ ./strace-static-x86_64: Process 6505 attached [pid 6505] set_robust_list(0x55557b9646a0, 24 [pid 5818] <... clone resumed>, child_tidptr=0x55557b964690) = 6505 [pid 6505] <... set_robust_list resumed>) = 0 [pid 6504] <... set_robust_list resumed>) = 0 [pid 6492] +++ exited with 0 +++ [pid 6505] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6504] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6492, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6505] <... prctl resumed>) = 0 [pid 6505] setpgid(0, 0) = 0 [pid 6504] <... prctl resumed>) = 0 [pid 6504] setpgid(0, 0 [pid 6505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6504] <... setpgid resumed>) = 0 [pid 6497] <... unshare resumed>) = 0 [pid 6497] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6494] exit_group(0 [pid 6504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6494] <... exit_group resumed>) = ? executing program [pid 6504] <... openat resumed>) = 3 [pid 6497] <... futex resumed>) = ? [pid 6505] <... openat resumed>) = 3 [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6507 attached [pid 6505] write(3, "1000", 4) = 4 [pid 5825] <... clone resumed>, child_tidptr=0x55557b964690) = 6507 [pid 6505] close(3) = 0 [pid 6505] write(1, "executing program\n", 18 [pid 6507] set_robust_list(0x55557b9646a0, 24 [pid 6505] <... write resumed>) = 18 [pid 6507] <... set_robust_list resumed>) = 0 [pid 6505] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6507] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6505] <... futex resumed>) = 0 [pid 6507] <... prctl resumed>) = 0 [pid 6505] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6504] write(3, "1000", 4 [pid 6499] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6497] +++ exited with 0 +++ [pid 6494] +++ exited with 0 +++ [pid 6504] <... write resumed>) = 4 [pid 6507] setpgid(0, 0 [pid 6505] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6504] close(3 [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6494, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6507] <... setpgid resumed>) = 0 [pid 6505] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6505] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6505] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6507] <... openat resumed>) = 3 [pid 6505] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6507] write(3, "1000", 4 [pid 6505] <... mprotect resumed>) = 0 [pid 6505] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6507] <... write resumed>) = 4 [pid 6504] <... close resumed>) = 0 [pid 5817] restart_syscall(<... resuming interrupted clone ...>executing program executing program [pid 6507] close(3 [pid 6504] write(1, "executing program\n", 18 [pid 5817] <... restart_syscall resumed>) = 0 [pid 6507] <... close resumed>) = 0 [pid 6507] write(1, "executing program\n", 18) = 18 [pid 6507] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6505] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6507] <... futex resumed>) = 0 [pid 6507] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6505] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6504] <... write resumed>) = 18 ./strace-static-x86_64: Process 6508 attached [pid 6507] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6507] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6504] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6507] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6507] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6505] <... clone3 resumed> => {parent_tid=[6508]}, 88) = 6508 [pid 6508] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6507] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6505] rt_sigprocmask(SIG_SETMASK, [], [pid 6508] <... rseq resumed>) = 0 [pid 6507] <... mprotect resumed>) = 0 [pid 6505] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6504] <... futex resumed>) = 0 [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6508] set_robust_list(0x7f51c74739a0, 24 [pid 6507] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6505] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6508] <... set_robust_list resumed>) = 0 [pid 6507] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6505] <... futex resumed>) = 0 [pid 6508] rt_sigprocmask(SIG_SETMASK, [], [pid 6507] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6505] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6510 attached ./strace-static-x86_64: Process 6509 attached [pid 6508] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6504] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6508] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6507] <... clone3 resumed> => {parent_tid=[6509]}, 88) = 6509 [pid 6510] set_robust_list(0x55557b9646a0, 24 [pid 6509] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6504] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6507] rt_sigprocmask(SIG_SETMASK, [], [pid 5817] <... clone resumed>, child_tidptr=0x55557b964690) = 6510 [pid 6510] <... set_robust_list resumed>) = 0 [pid 6509] <... rseq resumed>) = 0 [pid 6507] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6504] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6510] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6509] set_robust_list(0x7f51c74739a0, 24 [pid 6507] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6504] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6510] <... prctl resumed>) = 0 [pid 6509] <... set_robust_list resumed>) = 0 [pid 6507] <... futex resumed>) = 0 [pid 6501] <... unshare resumed>) = 0 [pid 6501] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6501] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6509] rt_sigprocmask(SIG_SETMASK, [], [pid 6507] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6509] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6499] exit_group(0 [pid 6509] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6504] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6510] setpgid(0, 0 [pid 6504] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6501] <... futex resumed>) = ? [pid 6499] <... exit_group resumed>) = ? [pid 6504] <... mprotect resumed>) = 0 [pid 6501] +++ exited with 0 +++ [pid 6504] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6499] +++ exited with 0 +++ [pid 6504] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6504] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6512 attached [pid 6510] <... setpgid resumed>) = 0 [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6499, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6504] <... clone3 resumed> => {parent_tid=[6512]}, 88) = 6512 [pid 6510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6504] rt_sigprocmask(SIG_SETMASK, [], [pid 5820] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6504] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6512] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6510] <... openat resumed>) = 3 [pid 6512] <... rseq resumed>) = 0 [pid 6510] write(3, "1000", 4 [pid 6504] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6512] set_robust_list(0x7f51c74739a0, 24 [pid 6510] <... write resumed>) = 4 [pid 6512] <... set_robust_list resumed>) = 0 [pid 6504] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6512] rt_sigprocmask(SIG_SETMASK, [], [pid 5820] <... clone resumed>, child_tidptr=0x55557b964690) = 6513 ./strace-static-x86_64: Process 6513 attached [pid 6512] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6512] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6513] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6505] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6513] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6510] close(3 [pid 6513] <... prctl resumed>) = 0 [pid 6510] <... close resumed>) = 0 [pid 6513] setpgid(0, 0 [pid 6510] write(1, "executing program\n", 18executing program ) = 18 [pid 6513] <... setpgid resumed>) = 0 [pid 6513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6510] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6513] <... openat resumed>) = 3 [pid 6510] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6513] write(3, "1000", 4 [pid 6510] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6513] <... write resumed>) = 4 [pid 6513] close(3) = 0 [pid 6513] write(1, "executing program\n", 18 [pid 6510] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], executing program [pid 6513] <... write resumed>) = 18 [pid 6510] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6513] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6510] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6513] <... futex resumed>) = 0 [pid 6510] <... mmap resumed>) = 0x7f51c7453000 [pid 6513] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6510] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6513] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6507] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6510] <... mprotect resumed>) = 0 [pid 6513] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6513] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6513] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6510] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6513] <... mprotect resumed>) = 0 [pid 6510] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6513] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6510] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6514 attached [pid 6513] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6510] <... clone3 resumed> => {parent_tid=[6514]}, 88) = 6514 ./strace-static-x86_64: Process 6515 attached [pid 6510] rt_sigprocmask(SIG_SETMASK, [], [pid 6513] <... clone3 resumed> => {parent_tid=[6515]}, 88) = 6515 [pid 6510] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6515] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6514] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6513] rt_sigprocmask(SIG_SETMASK, [], [pid 6510] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6515] <... rseq resumed>) = 0 [pid 6514] <... rseq resumed>) = 0 [pid 6515] set_robust_list(0x7f51c74739a0, 24 [pid 6514] set_robust_list(0x7f51c74739a0, 24 [pid 6513] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6510] <... futex resumed>) = 0 [pid 6515] <... set_robust_list resumed>) = 0 [pid 6515] rt_sigprocmask(SIG_SETMASK, [], [pid 6514] <... set_robust_list resumed>) = 0 [pid 6513] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6510] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6515] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6514] rt_sigprocmask(SIG_SETMASK, [], [pid 6513] <... futex resumed>) = 0 [pid 6515] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6514] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6513] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6514] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6504] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6508] <... unshare resumed>) = 0 [pid 6508] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6508] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6505] exit_group(0 [pid 6508] <... futex resumed>) = ? [pid 6505] <... exit_group resumed>) = ? [pid 6508] +++ exited with 0 +++ [pid 6505] +++ exited with 0 +++ [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6505, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5818] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6517 attached [pid 6517] set_robust_list(0x55557b9646a0, 24 [pid 5818] <... clone resumed>, child_tidptr=0x55557b964690) = 6517 [pid 6517] <... set_robust_list resumed>) = 0 [pid 6517] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6517] setpgid(0, 0) = 0 [pid 6517] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6510] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6517] <... openat resumed>) = 3 [pid 6513] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6517] write(3, "1000", 4) = 4 [pid 6517] close(3) = 0 executing program [pid 6517] write(1, "executing program\n", 18) = 18 [pid 6517] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6517] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6517] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6517] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6517] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6509] <... unshare resumed>) = 0 [pid 6509] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6517] <... mprotect resumed>) = 0 [pid 6509] <... futex resumed>) = 0 [pid 6509] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6507] exit_group(0 [pid 6509] <... futex resumed>) = ? [pid 6507] <... exit_group resumed>) = ? [pid 6517] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6509] +++ exited with 0 +++ [pid 6507] +++ exited with 0 +++ [pid 6517] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6507, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- ./strace-static-x86_64: Process 6519 attached [pid 6517] <... clone3 resumed> => {parent_tid=[6519]}, 88) = 6519 [pid 5825] restart_syscall(<... resuming interrupted clone ...> [pid 6519] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6517] rt_sigprocmask(SIG_SETMASK, [], [pid 5825] <... restart_syscall resumed>) = 0 [pid 6519] <... rseq resumed>) = 0 [pid 6517] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6519] set_robust_list(0x7f51c74739a0, 24 [pid 6517] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6519] <... set_robust_list resumed>) = 0 [pid 6519] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6519] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6517] <... futex resumed>) = 0 [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6517] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6520 attached [pid 6520] set_robust_list(0x55557b9646a0, 24 [pid 5825] <... clone resumed>, child_tidptr=0x55557b964690) = 6520 [pid 6520] <... set_robust_list resumed>) = 0 [pid 6520] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6520] setpgid(0, 0) = 0 [pid 6520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6512] <... unshare resumed>) = 0 [pid 6520] <... openat resumed>) = 3 [pid 6520] write(3, "1000", 4) = 4 [pid 6520] close(3) = 0 [pid 6514] <... unshare resumed>) = 0 executing program [pid 6520] write(1, "executing program\n", 18) = 18 [pid 6520] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6520] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6520] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6520] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6512] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6520] <... mmap resumed>) = 0x7f51c7453000 [pid 6512] <... futex resumed>) = 0 [pid 6520] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6504] exit_group(0) = ? [pid 6520] <... mprotect resumed>) = 0 [pid 6520] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6514] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6520] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6514] <... futex resumed>) = 0 [pid 6520] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6523 attached [pid 6514] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6512] +++ exited with 0 +++ [pid 6510] exit_group(0 [pid 6504] +++ exited with 0 +++ [pid 6523] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6520] <... clone3 resumed> => {parent_tid=[6523]}, 88) = 6523 [pid 6514] <... futex resumed>) = ? [pid 6510] <... exit_group resumed>) = ? [pid 6523] <... rseq resumed>) = 0 [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6504, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6514] +++ exited with 0 +++ [pid 5822] restart_syscall(<... resuming interrupted clone ...> [pid 6520] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6520] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6520] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6523] set_robust_list(0x7f51c74739a0, 24 [pid 6515] <... unshare resumed>) = 0 [pid 6510] +++ exited with 0 +++ [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6510, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5822] <... restart_syscall resumed>) = 0 [pid 5817] restart_syscall(<... resuming interrupted clone ...> [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6523] <... set_robust_list resumed>) = 0 [pid 6515] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6523] rt_sigprocmask(SIG_SETMASK, [], [pid 6515] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6525 attached [pid 6523] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6515] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6523] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5822] <... clone resumed>, child_tidptr=0x55557b964690) = 6525 [pid 6513] exit_group(0) = ? [pid 5817] <... restart_syscall resumed>) = 0 [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6526 attached [pid 6526] set_robust_list(0x55557b9646a0, 24 [pid 5817] <... clone resumed>, child_tidptr=0x55557b964690) = 6526 [pid 6526] <... set_robust_list resumed>) = 0 [pid 6526] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6526] setpgid(0, 0) = 0 [pid 6526] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6515] <... futex resumed>) = ? [pid 6526] <... openat resumed>) = 3 [pid 6525] set_robust_list(0x55557b9646a0, 24 [pid 6526] write(3, "1000", 4) = 4 [pid 6526] close(3) = 0 [pid 6525] <... set_robust_list resumed>) = 0 [pid 6517] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6515] +++ exited with 0 +++ [pid 6513] +++ exited with 0 +++ [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6513, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- executing program [pid 6526] write(1, "executing program\n", 18 [pid 6525] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6526] <... write resumed>) = 18 [pid 6525] <... prctl resumed>) = 0 [pid 6525] setpgid(0, 0 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6525] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 6527 attached [pid 6526] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5820] <... clone resumed>, child_tidptr=0x55557b964690) = 6527 [pid 6526] <... futex resumed>) = 0 [pid 6525] <... openat resumed>) = 3 [pid 6526] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6525] write(3, "1000", 4) = 4 [pid 6525] close(3) = 0 executing program [pid 6525] write(1, "executing program\n", 18) = 18 [pid 6527] set_robust_list(0x55557b9646a0, 24 [pid 6526] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6525] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6527] <... set_robust_list resumed>) = 0 [pid 6526] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6525] <... futex resumed>) = 0 [pid 6527] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6526] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6525] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6527] <... prctl resumed>) = 0 [pid 6526] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6525] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6527] setpgid(0, 0 [pid 6526] <... mmap resumed>) = 0x7f51c7453000 [pid 6527] <... setpgid resumed>) = 0 [pid 6526] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6525] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6527] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6526] <... mprotect resumed>) = 0 [pid 6525] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6520] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6525] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6525] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6526] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6525] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6527] <... openat resumed>) = 3 [pid 6527] write(3, "1000", 4 [pid 6526] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6525] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6527] <... write resumed>) = 4 [pid 6526] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6529 attached [pid 6527] close(3 [pid 6525] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6529] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6527] <... close resumed>) = 0 [pid 6526] <... clone3 resumed> => {parent_tid=[6529]}, 88) = 6529 executing program [pid 6527] write(1, "executing program\n", 18) = 18 [pid 6526] rt_sigprocmask(SIG_SETMASK, [], [pid 6527] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6526] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6527] <... futex resumed>) = 0 [pid 6526] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6529] <... rseq resumed>) = 0 [pid 6527] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6526] <... futex resumed>) = 0 [pid 6529] set_robust_list(0x7f51c74739a0, 24 [pid 6527] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6526] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6530 attached [pid 6529] <... set_robust_list resumed>) = 0 [pid 6527] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6530] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6529] rt_sigprocmask(SIG_SETMASK, [], [pid 6527] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6525] <... clone3 resumed> => {parent_tid=[6530]}, 88) = 6530 [pid 6519] <... unshare resumed>) = 0 [pid 6530] <... rseq resumed>) = 0 [pid 6527] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6525] rt_sigprocmask(SIG_SETMASK, [], [pid 6519] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6530] set_robust_list(0x7f51c74739a0, 24 [pid 6527] <... mmap resumed>) = 0x7f51c7453000 [pid 6525] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6519] <... futex resumed>) = 0 [pid 6530] <... set_robust_list resumed>) = 0 [pid 6529] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6527] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6525] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6519] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6530] rt_sigprocmask(SIG_SETMASK, [], [pid 6529] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6527] <... mprotect resumed>) = 0 [pid 6525] <... futex resumed>) = 0 [pid 6517] exit_group(0 [pid 6530] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6525] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6530] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6527] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6519] <... futex resumed>) = ? [pid 6517] <... exit_group resumed>) = ? [pid 6527] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6519] +++ exited with 0 +++ [pid 6517] +++ exited with 0 +++ [pid 6527] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6517, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 6527] <... clone3 resumed> => {parent_tid=[6532]}, 88) = 6532 [pid 6527] rt_sigprocmask(SIG_SETMASK, [], [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6532 attached [pid 6526] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6523] <... unshare resumed>) = 0 [pid 6523] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6523] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6527] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6527] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6527] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6520] exit_group(0 [pid 6532] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6523] <... futex resumed>) = ? [pid 6520] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6533 attached [pid 5818] <... clone resumed>, child_tidptr=0x55557b964690) = 6533 [pid 6532] <... rseq resumed>) = 0 [pid 6523] +++ exited with 0 +++ [pid 6532] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 6532] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6532] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6533] set_robust_list(0x55557b9646a0, 24 [pid 6520] +++ exited with 0 +++ [pid 6533] <... set_robust_list resumed>) = 0 [pid 6533] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6520, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6533] <... prctl resumed>) = 0 [pid 5825] restart_syscall(<... resuming interrupted clone ...> [pid 6533] setpgid(0, 0) = 0 [pid 6533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6533] write(3, "1000", 4 [pid 5825] <... restart_syscall resumed>) = 0 [pid 6533] <... write resumed>) = 4 [pid 6533] close(3) = 0 [pid 6525] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6533] write(1, "executing program\n", 18executing program [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6533] <... write resumed>) = 18 [pid 6533] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 6534 attached [pid 6533] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6534] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6534] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6534] setpgid(0, 0) = 0 [pid 6533] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5825] <... clone resumed>, child_tidptr=0x55557b964690) = 6534 [pid 6534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6533] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6534] <... openat resumed>) = 3 [pid 6533] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6534] write(3, "1000", 4) = 4 [pid 6533] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6534] close(3) = 0 executing program [pid 6534] write(1, "executing program\n", 18) = 18 [pid 6534] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6534] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6533] <... mmap resumed>) = 0x7f51c7453000 [pid 6534] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6534] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6533] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6527] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6533] <... mprotect resumed>) = 0 [pid 6534] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6530] <... unshare resumed>) = 0 [pid 6533] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6534] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6533] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6530] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6534] <... mprotect resumed>) = 0 [pid 6533] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6530] <... futex resumed>) = 0 [pid 6525] exit_group(0 [pid 6534] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6525] <... exit_group resumed>) = ? [pid 6534] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 6536 attached [pid 6534] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6533] <... clone3 resumed> => {parent_tid=[6536]}, 88) = 6536 [pid 6530] +++ exited with 0 +++ [pid 6525] +++ exited with 0 +++ [pid 6533] rt_sigprocmask(SIG_SETMASK, [], [pid 6534] <... clone3 resumed> => {parent_tid=[6537]}, 88) = 6537 [pid 6533] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6534] rt_sigprocmask(SIG_SETMASK, [], [pid 6533] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6534] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6537 attached [pid 6534] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6525, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6534] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5822] restart_syscall(<... resuming interrupted clone ...> [pid 6533] <... futex resumed>) = 0 [pid 6533] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6536] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6537] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6536] <... rseq resumed>) = 0 [pid 6537] <... rseq resumed>) = 0 [pid 6536] set_robust_list(0x7f51c74739a0, 24 [pid 6537] set_robust_list(0x7f51c74739a0, 24 [pid 6536] <... set_robust_list resumed>) = 0 [pid 6537] <... set_robust_list resumed>) = 0 [pid 6536] rt_sigprocmask(SIG_SETMASK, [], [pid 6537] rt_sigprocmask(SIG_SETMASK, [], [pid 6536] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6537] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6536] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6537] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5822] <... restart_syscall resumed>) = 0 [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6539 attached [pid 6539] set_robust_list(0x55557b9646a0, 24 [pid 5822] <... clone resumed>, child_tidptr=0x55557b964690) = 6539 [pid 6539] <... set_robust_list resumed>) = 0 [pid 6532] <... unshare resumed>) = 0 [pid 6539] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6539] setpgid(0, 0 [pid 6532] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6529] <... unshare resumed>) = 0 [pid 6532] <... futex resumed>) = 0 [pid 6529] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6532] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6529] <... futex resumed>) = 0 [pid 6539] <... setpgid resumed>) = 0 [pid 6529] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6527] exit_group(0 [pid 6539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6532] <... futex resumed>) = ? [pid 6527] <... exit_group resumed>) = ? [pid 6539] write(3, "1000", 4 [pid 6532] +++ exited with 0 +++ [pid 6526] exit_group(0 [pid 6539] <... write resumed>) = 4 [pid 6526] <... exit_group resumed>) = ? executing program [pid 6539] close(3 [pid 6534] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6529] <... futex resumed>) = ? [pid 6539] <... close resumed>) = 0 [pid 6529] +++ exited with 0 +++ [pid 6527] +++ exited with 0 +++ [pid 6526] +++ exited with 0 +++ [pid 6539] write(1, "executing program\n", 18) = 18 [pid 6533] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6527, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6526, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5817] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557b964690) = 6541 ./strace-static-x86_64: Process 6541 attached [pid 5820] <... restart_syscall resumed>) = 0 [pid 6539] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6541] set_robust_list(0x55557b9646a0, 24 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6541] <... set_robust_list resumed>) = 0 [pid 6541] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 6542 attached [pid 5820] <... clone resumed>, child_tidptr=0x55557b964690) = 6542 [pid 6542] set_robust_list(0x55557b9646a0, 24 [pid 6541] setpgid(0, 0 [pid 6542] <... set_robust_list resumed>) = 0 [pid 6542] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6541] <... setpgid resumed>) = 0 [pid 6542] setpgid(0, 0) = 0 [pid 6541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6541] <... openat resumed>) = 3 [pid 6541] write(3, "1000", 4 [pid 6542] <... openat resumed>) = 3 [pid 6542] write(3, "1000", 4) = 4 [pid 6542] close(3) = 0 [pid 6539] <... futex resumed>) = 0 [pid 6541] <... write resumed>) = 4 [pid 6539] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6541] close(3 executing program [pid 6542] write(1, "executing program\n", 18 [pid 6541] <... close resumed>) = 0 [pid 6539] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6542] <... write resumed>) = 18 [pid 6542] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6539] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6542] <... futex resumed>) = 0 [pid 6541] write(1, "executing program\n", 18executing program ) = 18 [pid 6539] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6542] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6541] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6539] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6541] <... futex resumed>) = 0 [pid 6541] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6539] <... mmap resumed>) = 0x7f51c7453000 [pid 6542] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6539] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6542] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6541] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6539] <... mprotect resumed>) = 0 [pid 6541] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6541] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6542] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6541] <... mmap resumed>) = 0x7f51c7453000 [pid 6539] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6542] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6541] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6542] <... mmap resumed>) = 0x7f51c7453000 [pid 6541] <... mprotect resumed>) = 0 [pid 6539] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6542] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6541] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6539] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6542] <... mprotect resumed>) = 0 [pid 6541] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 6543 attached [pid 6542] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6539] <... clone3 resumed> => {parent_tid=[6543]}, 88) = 6543 [pid 6543] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6541] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6543] <... rseq resumed>) = 0 [pid 6543] set_robust_list(0x7f51c74739a0, 24 [pid 6542] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6539] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6544 attached [pid 6543] <... set_robust_list resumed>) = 0 [pid 6542] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6539] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6545 attached [pid 6544] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6543] rt_sigprocmask(SIG_SETMASK, [], [pid 6541] <... clone3 resumed> => {parent_tid=[6544]}, 88) = 6544 [pid 6539] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6544] <... rseq resumed>) = 0 [pid 6543] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6541] rt_sigprocmask(SIG_SETMASK, [], [pid 6539] <... futex resumed>) = 0 [pid 6544] set_robust_list(0x7f51c74739a0, 24 [pid 6543] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6542] <... clone3 resumed> => {parent_tid=[6545]}, 88) = 6545 [pid 6541] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6539] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6544] <... set_robust_list resumed>) = 0 [pid 6542] rt_sigprocmask(SIG_SETMASK, [], [pid 6544] rt_sigprocmask(SIG_SETMASK, [], [pid 6542] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6544] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6542] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6544] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6542] <... futex resumed>) = 0 [pid 6542] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6541] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6541] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6545] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6544] <... futex resumed>) = 0 [pid 6545] <... rseq resumed>) = 0 [pid 6544] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6545] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 6545] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6545] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6539] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6542] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6541] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6537] <... unshare resumed>) = 0 [pid 6537] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6537] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6534] exit_group(0 [pid 6537] <... futex resumed>) = ? [pid 6534] <... exit_group resumed>) = ? [pid 6537] +++ exited with 0 +++ [pid 6534] +++ exited with 0 +++ [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6534, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5825] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6547 attached , child_tidptr=0x55557b964690) = 6547 [pid 6547] set_robust_list(0x55557b9646a0, 24 [pid 6536] <... unshare resumed>) = 0 [pid 6547] <... set_robust_list resumed>) = 0 [pid 6547] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6536] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6536] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6547] setpgid(0, 0 [pid 6533] exit_group(0 [pid 6536] <... futex resumed>) = ? [pid 6533] <... exit_group resumed>) = ? [pid 6536] +++ exited with 0 +++ [pid 6547] <... setpgid resumed>) = 0 [pid 6547] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6533] +++ exited with 0 +++ [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6533, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 6547] <... openat resumed>) = 3 [pid 6547] write(3, "1000", 4 [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6549 attached [pid 6547] <... write resumed>) = 4 [pid 5818] <... clone resumed>, child_tidptr=0x55557b964690) = 6549 [pid 6547] close(3executing program ) = 0 [pid 6547] write(1, "executing program\n", 18 [pid 6549] set_robust_list(0x55557b9646a0, 24 [pid 6547] <... write resumed>) = 18 [pid 6549] <... set_robust_list resumed>) = 0 [pid 6547] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6549] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6547] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6549] <... prctl resumed>) = 0 [pid 6547] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6547] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6549] setpgid(0, 0 [pid 6547] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6549] <... setpgid resumed>) = 0 [pid 6549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6547] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6549] <... openat resumed>) = 3 [pid 6547] <... mmap resumed>) = 0x7f51c7453000 [pid 6549] write(3, "1000", 4 [pid 6547] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6549] <... write resumed>) = 4 [pid 6549] close(3 [pid 6547] <... mprotect resumed>) = 0 [pid 6549] <... close resumed>) = 0 [pid 6549] write(1, "executing program\n", 18executing program [pid 6547] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6549] <... write resumed>) = 18 [pid 6547] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6549] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6547] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6550 attached [pid 6549] <... futex resumed>) = 0 [pid 6549] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6549] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6547] <... clone3 resumed> => {parent_tid=[6550]}, 88) = 6550 [pid 6549] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6547] rt_sigprocmask(SIG_SETMASK, [], [pid 6550] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6549] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6550] <... rseq resumed>) = 0 [pid 6549] <... mmap resumed>) = 0x7f51c7453000 [pid 6547] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6550] set_robust_list(0x7f51c74739a0, 24 [pid 6547] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6550] <... set_robust_list resumed>) = 0 [pid 6549] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6547] <... futex resumed>) = 0 [pid 6550] rt_sigprocmask(SIG_SETMASK, [], [pid 6547] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6550] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6549] <... mprotect resumed>) = 0 [pid 6550] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6549] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6543] <... unshare resumed>) = 0 [pid 6549] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6549] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6552 attached => {parent_tid=[6552]}, 88) = 6552 [pid 6543] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6552] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6543] <... futex resumed>) = 0 [pid 6549] rt_sigprocmask(SIG_SETMASK, [], [pid 6539] exit_group(0 [pid 6549] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6552] <... rseq resumed>) = 0 [pid 6549] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6539] <... exit_group resumed>) = ? [pid 6552] set_robust_list(0x7f51c74739a0, 24 [pid 6549] <... futex resumed>) = 0 [pid 6552] <... set_robust_list resumed>) = 0 [pid 6549] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6543] +++ exited with 0 +++ [pid 6552] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6552] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6539] +++ exited with 0 +++ [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6539, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6553 attached [pid 6553] set_robust_list(0x55557b9646a0, 24) = 0 [pid 5822] <... clone resumed>, child_tidptr=0x55557b964690) = 6553 [pid 6553] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6553] setpgid(0, 0) = 0 [pid 6553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6547] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6553] write(3, "1000", 4) = 4 [pid 6553] close(3) = 0 [pid 6553] write(1, "executing program\n", 18executing program ) = 18 [pid 6549] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6544] <... unshare resumed>) = 0 [pid 6553] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6544] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6544] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6553] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6541] exit_group(0) = ? [pid 6544] <... futex resumed>) = ? [pid 6553] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6544] +++ exited with 0 +++ [pid 6541] +++ exited with 0 +++ [pid 6553] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6553] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6553] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6541, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6553] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6553] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6555 attached [pid 6555] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6553] <... clone3 resumed> => {parent_tid=[6555]}, 88) = 6555 [pid 6555] <... rseq resumed>) = 0 [pid 6555] set_robust_list(0x7f51c74739a0, 24 [pid 6553] rt_sigprocmask(SIG_SETMASK, [], [pid 6555] <... set_robust_list resumed>) = 0 [pid 6553] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6555] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6553] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6555] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6553] <... futex resumed>) = 0 [pid 6553] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557b964690) = 6556 ./strace-static-x86_64: Process 6556 attached [pid 6556] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6545] <... unshare resumed>) = 0 [pid 6556] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6556] setpgid(0, 0) = 0 [pid 6556] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6545] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6556] <... openat resumed>) = 3 [pid 6545] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6542] exit_group(0 [pid 6556] write(3, "1000", 4) = 4 [pid 6556] close(3) = 0 executing program [pid 6556] write(1, "executing program\n", 18) = 18 [pid 6556] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6556] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6556] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6545] <... futex resumed>) = ? [pid 6542] <... exit_group resumed>) = ? [pid 6556] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6545] +++ exited with 0 +++ [pid 6556] <... mmap resumed>) = 0x7f51c7453000 [pid 6556] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6556] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6542] +++ exited with 0 +++ [pid 6556] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6542, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- ./strace-static-x86_64: Process 6558 attached [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 6558] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6556] <... clone3 resumed> => {parent_tid=[6558]}, 88) = 6558 [pid 6558] <... rseq resumed>) = 0 [pid 6556] rt_sigprocmask(SIG_SETMASK, [], [pid 6558] set_robust_list(0x7f51c74739a0, 24 [pid 6556] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6558] <... set_robust_list resumed>) = 0 [pid 6556] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6558] rt_sigprocmask(SIG_SETMASK, [], [pid 6556] <... futex resumed>) = 0 [pid 6558] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6556] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6558] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5820] <... restart_syscall resumed>) = 0 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6559 attached [pid 6559] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6553] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5820] <... clone resumed>, child_tidptr=0x55557b964690) = 6559 [pid 6559] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6559] setpgid(0, 0) = 0 [pid 6559] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6559] write(3, "1000", 4) = 4 [pid 6559] close(3) = 0 executing program [pid 6559] write(1, "executing program\n", 18) = 18 [pid 6559] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6559] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6559] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6556] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6559] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6552] <... unshare resumed>) = 0 [pid 6559] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6552] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6550] <... unshare resumed>) = 0 [pid 6552] <... futex resumed>) = 0 [pid 6550] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6549] exit_group(0 [pid 6547] exit_group(0 [pid 6549] <... exit_group resumed>) = ? [pid 6547] <... exit_group resumed>) = ? [pid 6559] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6550] <... futex resumed>) = ? [pid 6559] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6559] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6552] +++ exited with 0 +++ [pid 6550] +++ exited with 0 +++ [pid 6549] +++ exited with 0 +++ [pid 6547] +++ exited with 0 +++ [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6547, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6549, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6559] <... clone3 resumed> => {parent_tid=[6564]}, 88) = 6564 [pid 6559] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6559] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6559] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6564 attached [pid 6555] <... unshare resumed>) = 0 [pid 6555] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6555] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6558] <... unshare resumed>) = 0 [pid 6558] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6564] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6558] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6564] <... rseq resumed>) = 0 [pid 6556] exit_group(0 [pid 6553] exit_group(0 [pid 6555] <... futex resumed>) = ? [pid 6553] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6565 attached [pid 6558] <... futex resumed>) = ? [pid 6556] <... exit_group resumed>) = ? [pid 6555] +++ exited with 0 +++ [pid 6553] +++ exited with 0 +++ [pid 6564] set_robust_list(0x7f51c74739a0, 24 [pid 6558] +++ exited with 0 +++ ./strace-static-x86_64: Process 6566 attached [pid 6565] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6565] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6566] set_robust_list(0x55557b9646a0, 24 [pid 6565] <... prctl resumed>) = 0 [pid 6565] setpgid(0, 0 [pid 6566] <... set_robust_list resumed>) = 0 [pid 6564] <... set_robust_list resumed>) = 0 [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6553, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5818] <... clone resumed>, child_tidptr=0x55557b964690) = 6566 [pid 6566] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6565] <... setpgid resumed>) = 0 [pid 6566] <... prctl resumed>) = 0 [pid 6565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6564] rt_sigprocmask(SIG_SETMASK, [], [pid 6556] +++ exited with 0 +++ [pid 5822] restart_syscall(<... resuming interrupted clone ...> [pid 6566] setpgid(0, 0 [pid 6564] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5825] <... clone resumed>, child_tidptr=0x55557b964690) = 6565 [pid 5822] <... restart_syscall resumed>) = 0 [pid 6566] <... setpgid resumed>) = 0 [pid 6565] <... openat resumed>) = 3 [pid 6566] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6565] write(3, "1000", 4 [pid 6566] <... openat resumed>) = 3 [pid 6565] <... write resumed>) = 4 [pid 6566] write(3, "1000", 4 [pid 6565] close(3 [pid 6564] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6556, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6565] <... close resumed>) = 0 [pid 6565] write(1, "executing program\n", 18 [pid 6566] <... write resumed>) = 4 executing program [pid 6566] close(3 [pid 6565] <... write resumed>) = 18 [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6567 attached [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6567] set_robust_list(0x55557b9646a0, 24 [pid 5822] <... clone resumed>, child_tidptr=0x55557b964690) = 6567 ./strace-static-x86_64: Process 6568 attached [pid 6567] <... set_robust_list resumed>) = 0 [pid 5817] <... clone resumed>, child_tidptr=0x55557b964690) = 6568 [pid 6568] set_robust_list(0x55557b9646a0, 24 [pid 6567] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6566] <... close resumed>) = 0 [pid 6565] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6568] <... set_robust_list resumed>) = 0 [pid 6567] <... prctl resumed>) = 0 [pid 6566] write(1, "executing program\n", 18 [pid 6565] <... futex resumed>) = 0 [pid 6566] <... write resumed>) = 18 [pid 6568] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6567] setpgid(0, 0 [pid 6566] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6565] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6565] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6566] <... futex resumed>) = 0 [pid 6565] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6566] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6565] <... mmap resumed>) = 0x7f51c7453000 [pid 6565] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6565] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6565] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6569 attached [pid 6567] <... setpgid resumed>) = 0 [pid 6568] <... prctl resumed>) = 0 [pid 6565] <... clone3 resumed> => {parent_tid=[6569]}, 88) = 6569 [pid 6565] rt_sigprocmask(SIG_SETMASK, [], [pid 6568] setpgid(0, 0 [pid 6566] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6565] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6568] <... setpgid resumed>) = 0 [pid 6567] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6566] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6565] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6569] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6566] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6565] <... futex resumed>) = 0 [pid 6569] <... rseq resumed>) = 0 [pid 6568] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6566] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6565] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6569] set_robust_list(0x7f51c74739a0, 24 [pid 6568] <... openat resumed>) = 3 [pid 6567] <... openat resumed>) = 3 [pid 6566] <... mmap resumed>) = 0x7f51c7453000 executing program executing program [pid 6559] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6569] <... set_robust_list resumed>) = 0 [pid 6568] write(3, "1000", 4 [pid 6567] write(3, "1000", 4 [pid 6566] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6568] <... write resumed>) = 4 [pid 6567] <... write resumed>) = 4 [pid 6568] close(3 [pid 6567] close(3 [pid 6568] <... close resumed>) = 0 [pid 6567] <... close resumed>) = 0 [pid 6566] <... mprotect resumed>) = 0 [pid 6568] write(1, "executing program\n", 18 [pid 6567] write(1, "executing program\n", 18 [pid 6566] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6568] <... write resumed>) = 18 [pid 6567] <... write resumed>) = 18 [pid 6566] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6568] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6567] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6566] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6568] <... futex resumed>) = 0 [pid 6567] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6570 attached [pid 6568] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6567] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6568] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6567] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6568] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6567] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6569] rt_sigprocmask(SIG_SETMASK, [], [pid 6568] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6566] <... clone3 resumed> => {parent_tid=[6570]}, 88) = 6570 [pid 6569] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6568] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6567] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6566] rt_sigprocmask(SIG_SETMASK, [], [pid 6569] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6568] <... mmap resumed>) = 0x7f51c7453000 [pid 6567] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6566] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6570] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6568] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6567] <... mmap resumed>) = 0x7f51c7453000 [pid 6566] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6570] <... rseq resumed>) = 0 [pid 6568] <... mprotect resumed>) = 0 [pid 6567] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6566] <... futex resumed>) = 0 [pid 6570] set_robust_list(0x7f51c74739a0, 24 [pid 6568] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6567] <... mprotect resumed>) = 0 [pid 6566] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6568] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6567] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6568] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6567] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6567] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6572 attached ./strace-static-x86_64: Process 6571 attached [pid 6568] <... clone3 resumed> => {parent_tid=[6571]}, 88) = 6571 [pid 6572] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6568] rt_sigprocmask(SIG_SETMASK, [], [pid 6567] <... clone3 resumed> => {parent_tid=[6572]}, 88) = 6572 [pid 6572] <... rseq resumed>) = 0 [pid 6571] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6570] <... set_robust_list resumed>) = 0 [pid 6571] <... rseq resumed>) = 0 [pid 6570] rt_sigprocmask(SIG_SETMASK, [], [pid 6571] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 6571] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6571] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6570] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6570] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6568] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6572] set_robust_list(0x7f51c74739a0, 24 [pid 6568] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6567] rt_sigprocmask(SIG_SETMASK, [], [pid 6572] <... set_robust_list resumed>) = 0 [pid 6571] <... futex resumed>) = 0 [pid 6568] <... futex resumed>) = 1 [pid 6567] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6572] rt_sigprocmask(SIG_SETMASK, [], [pid 6571] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6568] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6567] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6567] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6572] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6572] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6565] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6566] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6568] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6567] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6570] <... unshare resumed>) = 0 [pid 6570] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6570] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6566] exit_group(0 [pid 6570] <... futex resumed>) = ? [pid 6566] <... exit_group resumed>) = ? [pid 6570] +++ exited with 0 +++ [pid 6569] <... unshare resumed>) = 0 [pid 6566] +++ exited with 0 +++ [pid 6564] <... unshare resumed>) = 0 [pid 6564] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6564] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6569] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6566, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6569] <... futex resumed>) = 0 [pid 6565] exit_group(0 [pid 6559] exit_group(0 [pid 6565] <... exit_group resumed>) = ? [pid 6564] <... futex resumed>) = ? [pid 6559] <... exit_group resumed>) = ? [pid 6564] +++ exited with 0 +++ [pid 6559] +++ exited with 0 +++ [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6559, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- ./strace-static-x86_64: Process 6576 attached [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 6576] set_robust_list(0x55557b9646a0, 24 [pid 6571] <... unshare resumed>) = 0 [pid 6569] +++ exited with 0 +++ [pid 6565] +++ exited with 0 +++ [pid 5820] <... restart_syscall resumed>) = 0 [pid 5818] <... clone resumed>, child_tidptr=0x55557b964690) = 6576 [pid 6576] <... set_robust_list resumed>) = 0 [pid 6572] <... unshare resumed>) = 0 [pid 6571] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6565, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 6576] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6572] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6571] <... futex resumed>) = 0 [pid 6576] setpgid(0, 0 [pid 6572] <... futex resumed>) = 0 [pid 6571] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6576] <... setpgid resumed>) = 0 [pid 6572] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6568] exit_group(0 [pid 6567] exit_group(0./strace-static-x86_64: Process 6579 attached [pid 6576] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6572] <... futex resumed>) = ? [pid 6568] <... exit_group resumed>) = ? [pid 5825] <... clone resumed>, child_tidptr=0x55557b964690) = 6579 [pid 6567] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6580 attached [pid 6579] set_robust_list(0x55557b9646a0, 24 [pid 6576] <... openat resumed>) = 3 [pid 6572] +++ exited with 0 +++ [pid 6571] <... futex resumed>) = ? [pid 6567] +++ exited with 0 +++ [pid 6576] write(3, "1000", 4 [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6567, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6580] set_robust_list(0x55557b9646a0, 24 [pid 6579] <... set_robust_list resumed>) = 0 [pid 6571] +++ exited with 0 +++ [pid 6568] +++ exited with 0 +++ [pid 5822] restart_syscall(<... resuming interrupted clone ...> [pid 5820] <... clone resumed>, child_tidptr=0x55557b964690) = 6580 [pid 6576] <... write resumed>) = 4 [pid 5822] <... restart_syscall resumed>) = 0 [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6568, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6579] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6576] close(3 [pid 6580] <... set_robust_list resumed>) = 0 [pid 6579] <... prctl resumed>) = 0 [pid 6576] <... close resumed>) = 0 executing program [pid 6576] write(1, "executing program\n", 18 [pid 6579] setpgid(0, 0 [pid 6576] <... write resumed>) = 18 [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6581 attached [pid 6580] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6579] <... setpgid resumed>) = 0 [pid 6576] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6580] <... prctl resumed>) = 0 [pid 6576] <... futex resumed>) = 0 [pid 6581] set_robust_list(0x55557b9646a0, 24./strace-static-x86_64: Process 6582 attached ) = 0 [pid 6580] setpgid(0, 0 [pid 6579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6576] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6582] set_robust_list(0x55557b9646a0, 24 [pid 6581] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6580] <... setpgid resumed>) = 0 [pid 6576] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5822] <... clone resumed>, child_tidptr=0x55557b964690) = 6582 [pid 6582] <... set_robust_list resumed>) = 0 [pid 6581] <... prctl resumed>) = 0 [pid 6576] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5817] <... clone resumed>, child_tidptr=0x55557b964690) = 6581 [pid 6582] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6581] setpgid(0, 0 [pid 6580] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6579] <... openat resumed>) = 3 [pid 6576] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6582] <... prctl resumed>) = 0 [pid 6581] <... setpgid resumed>) = 0 [pid 6580] <... openat resumed>) = 3 [pid 6576] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6582] setpgid(0, 0 [pid 6581] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6580] write(3, "1000", 4 [pid 6579] write(3, "1000", 4 [pid 6576] <... mmap resumed>) = 0x7f51c7453000 [pid 6580] <... write resumed>) = 4 [pid 6580] close(3 [pid 6582] <... setpgid resumed>) = 0 [pid 6580] <... close resumed>) = 0 [pid 6579] <... write resumed>) = 4 [pid 6576] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6582] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6581] <... openat resumed>) = 3 [pid 6580] write(1, "executing program\n", 18executing program [pid 6576] <... mprotect resumed>) = 0 [pid 6580] <... write resumed>) = 18 [pid 6579] close(3 [pid 6582] <... openat resumed>) = 3 [pid 6581] write(3, "1000", 4 [pid 6580] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6579] <... close resumed>) = 0 [pid 6576] rt_sigprocmask(SIG_BLOCK, ~[], executing program [pid 6579] write(1, "executing program\n", 18 [pid 6582] write(3, "1000", 4 [pid 6581] <... write resumed>) = 4 [pid 6580] <... futex resumed>) = 0 [pid 6579] <... write resumed>) = 18 [pid 6582] <... write resumed>) = 4 [pid 6581] close(3 [pid 6576] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6581] <... close resumed>) = 0 [pid 6576] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6582] close(3executing program [pid 6581] write(1, "executing program\n", 18 [pid 6579] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6583 attached [pid 6582] <... close resumed>) = 0 [pid 6581] <... write resumed>) = 18 [pid 6580] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6579] <... futex resumed>) = 0 [pid 6576] <... clone3 resumed> => {parent_tid=[6583]}, 88) = 6583 [pid 6583] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 executing program [pid 6582] write(1, "executing program\n", 18 [pid 6581] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6580] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6579] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6576] rt_sigprocmask(SIG_SETMASK, [], [pid 6583] <... rseq resumed>) = 0 [pid 6582] <... write resumed>) = 18 [pid 6581] <... futex resumed>) = 0 [pid 6580] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6579] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6576] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6583] set_robust_list(0x7f51c74739a0, 24 [pid 6582] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6581] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6579] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6576] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6583] <... set_robust_list resumed>) = 0 [pid 6582] <... futex resumed>) = 0 [pid 6581] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6580] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6579] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6576] <... futex resumed>) = 0 [pid 6583] rt_sigprocmask(SIG_SETMASK, [], [pid 6582] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6581] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6580] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6579] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6576] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6583] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6582] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6581] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6580] <... mmap resumed>) = 0x7f51c7453000 [pid 6579] <... mmap resumed>) = 0x7f51c7453000 [pid 6583] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6582] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6581] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6580] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6579] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6582] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6581] <... mmap resumed>) = 0x7f51c7453000 [pid 6579] <... mprotect resumed>) = 0 [pid 6582] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6581] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6582] <... mmap resumed>) = 0x7f51c7453000 [pid 6581] <... mprotect resumed>) = 0 [pid 6582] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6581] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6580] <... mprotect resumed>) = 0 [pid 6579] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6580] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6582] <... mprotect resumed>) = 0 [pid 6581] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6580] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6584 attached [pid 6582] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6581] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6579] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6584] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6582] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 6585 attached [pid 6582] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6586 attached [pid 6585] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6584] <... rseq resumed>) = 0 [pid 6582] <... clone3 resumed> => {parent_tid=[6586]}, 88) = 6586 [pid 6581] <... clone3 resumed> => {parent_tid=[6585]}, 88) = 6585 [pid 6580] <... clone3 resumed> => {parent_tid=[6584]}, 88) = 6584 [pid 6579] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6585] <... rseq resumed>) = 0 [pid 6584] set_robust_list(0x7f51c74739a0, 24 [pid 6582] rt_sigprocmask(SIG_SETMASK, [], [pid 6581] rt_sigprocmask(SIG_SETMASK, [], [pid 6580] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6587 attached [pid 6584] <... set_robust_list resumed>) = 0 [pid 6582] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6581] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6580] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6587] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6586] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6585] set_robust_list(0x7f51c74739a0, 24 [pid 6584] rt_sigprocmask(SIG_SETMASK, [], [pid 6582] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6581] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6580] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6587] <... rseq resumed>) = 0 [pid 6586] <... rseq resumed>) = 0 [pid 6585] <... set_robust_list resumed>) = 0 [pid 6584] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6582] <... futex resumed>) = 0 [pid 6581] <... futex resumed>) = 0 [pid 6580] <... futex resumed>) = 0 [pid 6579] <... clone3 resumed> => {parent_tid=[6587]}, 88) = 6587 [pid 6587] set_robust_list(0x7f51c74739a0, 24 [pid 6586] set_robust_list(0x7f51c74739a0, 24 [pid 6585] rt_sigprocmask(SIG_SETMASK, [], [pid 6584] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6582] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6581] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6580] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6587] <... set_robust_list resumed>) = 0 [pid 6586] <... set_robust_list resumed>) = 0 [pid 6585] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6579] rt_sigprocmask(SIG_SETMASK, [], [pid 6587] rt_sigprocmask(SIG_SETMASK, [], [pid 6586] rt_sigprocmask(SIG_SETMASK, [], [pid 6585] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6579] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6587] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6586] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6579] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6576] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6587] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6586] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6579] <... futex resumed>) = 0 [pid 6579] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6583] <... unshare resumed>) = 0 [pid 6583] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6576] exit_group(0 [pid 6583] <... futex resumed>) = ? [pid 6576] <... exit_group resumed>) = ? [pid 6583] +++ exited with 0 +++ [pid 6576] +++ exited with 0 +++ [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6576, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5818] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557b964690) = 6589 ./strace-static-x86_64: Process 6589 attached [pid 6582] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6581] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6589] set_robust_list(0x55557b9646a0, 24 [pid 6580] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6589] <... set_robust_list resumed>) = 0 [pid 6589] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6589] setpgid(0, 0) = 0 [pid 6589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6589] write(3, "1000", 4) = 4 [pid 6589] close(3) = 0 executing program [pid 6589] write(1, "executing program\n", 18) = 18 [pid 6589] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6589] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, NULL, 8) = 0 [pid 6589] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6589] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6579] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6589] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6589] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6589] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6590 attached => {parent_tid=[6590]}, 88) = 6590 [pid 6589] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6589] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6590] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6589] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6590] <... rseq resumed>) = 0 [pid 6590] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 6590] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6590] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6589] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6584] <... unshare resumed>) = 0 [pid 6584] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6584] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6580] exit_group(0 [pid 6584] <... futex resumed>) = ? [pid 6580] <... exit_group resumed>) = ? [pid 6584] +++ exited with 0 +++ [pid 6580] +++ exited with 0 +++ [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6580, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 6586] <... unshare resumed>) = 0 [pid 5820] <... restart_syscall resumed>) = 0 [pid 6586] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6594 attached [pid 6582] exit_group(0) = ? [pid 6594] set_robust_list(0x55557b9646a0, 24 [pid 6586] +++ exited with 0 +++ [pid 6582] +++ exited with 0 +++ [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6582, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6594] <... set_robust_list resumed>) = 0 [pid 5822] restart_syscall(<... resuming interrupted clone ...> [pid 6594] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5820] <... clone resumed>, child_tidptr=0x55557b964690) = 6594 [pid 6594] <... prctl resumed>) = 0 [pid 6594] setpgid(0, 0) = 0 [pid 6587] <... unshare resumed>) = 0 [pid 6594] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6594] write(3, "1000", 4) = 4 [pid 6594] close(3) = 0 [pid 6587] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6585] <... unshare resumed>) = 0 [pid 5822] <... restart_syscall resumed>) = 0 [pid 6585] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6594] write(1, "executing program\n", 18 [pid 6587] <... futex resumed>) = 0 [pid 6585] <... futex resumed>) = 0 [pid 6579] exit_group(0 [pid 6585] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6581] exit_group(0 [pid 6585] <... futex resumed>) = ? [pid 6581] <... exit_group resumed>) = ? [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6596 attached [pid 6585] +++ exited with 0 +++ [pid 6594] <... write resumed>) = 18 executing program [pid 6581] +++ exited with 0 +++ [pid 6579] <... exit_group resumed>) = ? [pid 6594] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6587] +++ exited with 0 +++ [pid 6579] +++ exited with 0 +++ [pid 6596] set_robust_list(0x55557b9646a0, 24) = 0 [pid 6594] <... futex resumed>) = 0 [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6579, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5822] <... clone resumed>, child_tidptr=0x55557b964690) = 6596 [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6581, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6596] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6594] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 5825] restart_syscall(<... resuming interrupted clone ...> [pid 5817] restart_syscall(<... resuming interrupted clone ...> [pid 6596] <... prctl resumed>) = 0 [pid 6594] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6596] setpgid(0, 0 [pid 6594] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6596] <... setpgid resumed>) = 0 [pid 6594] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6596] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6594] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f51c7453000 [pid 6594] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6596] <... openat resumed>) = 3 [pid 6594] <... mprotect resumed>) = 0 [pid 6594] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6596] write(3, "1000", 4 [pid 6590] <... unshare resumed>) = 0 [pid 5825] <... restart_syscall resumed>) = 0 [pid 5817] <... restart_syscall resumed>) = 0 [pid 6596] <... write resumed>) = 4 [pid 6594] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6598 attached [pid 6596] close(3 [pid 6594] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6590] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6599 attached ) = 0 ./strace-static-x86_64: Process 6600 attached [pid 6596] <... close resumed>) = 0 [pid 6590] futex(0x7f51c7542308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6596] write(1, "executing program\n", 18executing program [pid 6599] set_robust_list(0x55557b9646a0, 24 [pid 6598] set_robust_list(0x55557b9646a0, 24 [pid 6596] <... write resumed>) = 18 [pid 6594] <... clone3 resumed> => {parent_tid=[6600]}, 88) = 6600 [pid 6600] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6599] <... set_robust_list resumed>) = 0 [pid 6598] <... set_robust_list resumed>) = 0 [pid 6596] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6594] rt_sigprocmask(SIG_SETMASK, [], [pid 5825] <... clone resumed>, child_tidptr=0x55557b964690) = 6598 [pid 6600] <... rseq resumed>) = 0 [pid 6599] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6598] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6596] <... futex resumed>) = 0 [pid 6594] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6589] exit_group(0 [pid 5817] <... clone resumed>, child_tidptr=0x55557b964690) = 6599 [pid 6600] set_robust_list(0x7f51c74739a0, 24 [pid 6599] <... prctl resumed>) = 0 [pid 6598] <... prctl resumed>) = 0 [pid 6596] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6594] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6590] <... futex resumed>) = ? [pid 6589] <... exit_group resumed>) = ? [pid 6600] <... set_robust_list resumed>) = 0 [pid 6599] setpgid(0, 0 [pid 6598] setpgid(0, 0 [pid 6596] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6594] <... futex resumed>) = 0 [pid 6590] +++ exited with 0 +++ [pid 6589] +++ exited with 0 +++ [pid 6600] rt_sigprocmask(SIG_SETMASK, [], [pid 6598] <... setpgid resumed>) = 0 [pid 6596] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6594] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6600] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6599] <... setpgid resumed>) = 0 [pid 6598] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6596] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6589, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6600] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6599] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6598] <... openat resumed>) = 3 [pid 6596] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6598] write(3, "1000", 4) = 4 [pid 6598] close(3executing program ) = 0 [pid 6598] write(1, "executing program\n", 18) = 18 [pid 6598] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6596] <... mmap resumed>) = 0x7f51c7453000 [pid 6598] <... futex resumed>) = 0 [pid 6599] <... openat resumed>) = 3 [pid 6598] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6596] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6598] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6601 attached [pid 6599] write(3, "1000", 4 [pid 6598] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6596] <... mprotect resumed>) = 0 [pid 6598] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6599] <... write resumed>) = 4 [pid 6598] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6596] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6601] set_robust_list(0x55557b9646a0, 24 [pid 6599] close(3 [pid 6598] <... mmap resumed>) = 0x7f51c7453000 [pid 6596] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6601] <... set_robust_list resumed>) = 0 [pid 6598] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6599] <... close resumed>) = 0 [pid 6596] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}executing program [pid 6598] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6602 attached [pid 6601] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6599] write(1, "executing program\n", 18 [pid 6601] <... prctl resumed>) = 0 [pid 6599] <... write resumed>) = 18 [pid 6598] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6596] <... clone3 resumed> => {parent_tid=[6602]}, 88) = 6602 [pid 5818] <... clone resumed>, child_tidptr=0x55557b964690) = 6601 [pid 6602] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6599] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6598] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6596] rt_sigprocmask(SIG_SETMASK, [], [pid 6602] <... rseq resumed>) = 0 [pid 6601] setpgid(0, 0 [pid 6599] <... futex resumed>) = 0 [pid 6598] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6596] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6602] set_robust_list(0x7f51c74739a0, 24 [pid 6601] <... setpgid resumed>) = 0 [pid 6599] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, ./strace-static-x86_64: Process 6603 attached [pid 6602] <... set_robust_list resumed>) = 0 [pid 6599] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6596] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6602] rt_sigprocmask(SIG_SETMASK, [], [pid 6601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6599] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6598] <... clone3 resumed> => {parent_tid=[6603]}, 88) = 6603 [pid 6596] <... futex resumed>) = 0 [pid 6603] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6602] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6599] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6596] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6603] <... rseq resumed>) = 0 [pid 6602] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6601] <... openat resumed>) = 3 [pid 6599] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6598] rt_sigprocmask(SIG_SETMASK, [], [pid 6601] write(3, "1000", 4 [pid 6598] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6601] <... write resumed>) = 4 [pid 6601] close(3 [pid 6598] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6603] set_robust_list(0x7f51c74739a0, 24 [pid 6601] <... close resumed>) = 0 [pid 6599] <... mmap resumed>) = 0x7f51c7453000 [pid 6598] <... futex resumed>) = 0 [pid 6601] write(1, "executing program\n", 18 [pid 6598] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6601] <... write resumed>) = 18 executing program [pid 6601] futex(0x7f51c754230c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6603] <... set_robust_list resumed>) = 0 [pid 6599] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE [pid 6603] rt_sigprocmask(SIG_SETMASK, [], [pid 6601] rt_sigaction(SIGRT_1, {sa_handler=0x7f51c74de210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f51c74cf890}, [pid 6599] <... mprotect resumed>) = 0 [pid 6601] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6603] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6601] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6599] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6601] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6603] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6601] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6599] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6601] <... mmap resumed>) = 0x7f51c7453000 [pid 6599] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0} [pid 6601] mprotect(0x7f51c7454000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 6604 attached [pid 6601] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6599] <... clone3 resumed> => {parent_tid=[6604]}, 88) = 6604 [pid 6599] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6601] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6601] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f51c7473990, parent_tid=0x7f51c7473990, exit_signal=0, stack=0x7f51c7453000, stack_size=0x20300, tls=0x7f51c74736c0}./strace-static-x86_64: Process 6605 attached [pid 6599] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6594] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6601] <... clone3 resumed> => {parent_tid=[6605]}, 88) = 6605 [pid 6604] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053 [pid 6601] rt_sigprocmask(SIG_SETMASK, [], [pid 6599] <... futex resumed>) = 0 [pid 6604] <... rseq resumed>) = 0 [pid 6601] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6599] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6604] set_robust_list(0x7f51c74739a0, 24 [pid 6601] futex(0x7f51c7542308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6604] <... set_robust_list resumed>) = 0 [pid 6601] <... futex resumed>) = 0 [pid 6604] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6601] futex(0x7f51c754230c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6604] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6605] rseq(0x7f51c7473fe0, 0x20, 0, 0x53053053) = 0 [pid 6605] set_robust_list(0x7f51c74739a0, 24) = 0 [pid 6605] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6605] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6596] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6598] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6601] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6599] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6594] exit_group(0) = ? [pid 6601] exit_group(0) = ? [pid 6599] exit_group(0) = ? [pid 6596] exit_group(0) = ? [pid 6598] exit_group(0) = ? [ 72.211785][ T6604] ------------[ cut here ]------------ [ 72.217948][ T6604] WARNING: CPU: 1 PID: 6604 at net/ipv6/ip6mr.c:419 ip6mr_free_table+0xbd/0x120 [ 72.227150][ T6604] Modules linked in: [ 72.231075][ T6604] CPU: 1 UID: 0 PID: 6604 Comm: syz-executor292 Not tainted 6.12.0-syzkaller-12113-gbcc8eda6d349 #0 [ 72.241899][ T6604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 72.252120][ T6604] RIP: 0010:ip6mr_free_table+0xbd/0x120 [ 72.257687][ T6604] Code: 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 58 49 83 bc 24 c0 0e 00 00 00 74 09 e8 e4 c6 af f7 90 <0f> 0b 90 e8 db c6 af f7 48 8d 7b 38 e8 42 87 9c f7 48 89 df be 0f [ 72.277348][ T6604] RSP: 0018:ffffc9000525fbd8 EFLAGS: 00010293 [ 72.283453][ T6604] RAX: 0000000000000000 RBX: ffff88807ee58000 RCX: ffffffff89ea3e04 [ 72.291424][ T6604] RDX: ffff888026bfa440 RSI: ffffffff89ea3e3c RDI: ffff888024f5e980 [ 72.299449][ T6604] RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000 [ 72.307480][ T6604] R10: 0000000000000001 R11: 0000000000000001 R12: ffff888024f5dac0 [ 72.315469][ T6604] R13: ffff88807ee58000 R14: ffff88807ee58008 R15: dead000000000100 [ 72.323472][ T6604] FS: 00007f51c74736c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 72.332427][ T6604] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.339006][ T6604] CR2: 00007f51c750e938 CR3: 00000000507c4000 CR4: 00000000003526f0 [ 72.346997][ T6604] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.354995][ T6604] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.363000][ T6604] Call Trace: [ 72.366284][ T6604] [ 72.369231][ T6604] ? __warn+0xea/0x3c0 [ 72.373466][ T6604] ? ip6mr_free_table+0xbd/0x120 [ 72.378432][ T6604] ? report_bug+0x3c0/0x580 [ 72.383108][ T6604] ? handle_bug+0x54/0xa0 [ 72.387462][ T6604] ? exc_invalid_op+0x17/0x50 [ 72.392188][ T6604] ? asm_exc_invalid_op+0x1a/0x20 [ 72.397229][ T6604] ? ip6mr_free_table+0x84/0x120 [ 72.402211][ T6604] ? ip6mr_free_table+0xbc/0x120 [ 72.407162][ T6604] ? ip6mr_free_table+0xbd/0x120 [ 72.412173][ T6604] ? ip6mr_free_table+0xbc/0x120 [ 72.417135][ T6604] ip6mr_rules_exit+0x176/0x2d0 [ 72.422006][ T6604] ip6mr_net_exit_batch+0x53/0xa0 [ 72.427096][ T6604] ? __pfx_ip6mr_net_exit_batch+0x10/0x10 [ 72.433119][ T6604] ? __pfx_ip6mr_net_exit+0x10/0x10 [ 72.438333][ T6604] ops_exit_list+0x128/0x180 [ 72.442995][ T6604] setup_net+0x4fe/0x860 [ 72.447251][ T6604] ? __pfx_setup_net+0x10/0x10 [ 72.452017][ T6604] ? down_read_killable+0xcc/0x380 [ 72.457199][ T6604] ? __pfx_down_read_killable+0x10/0x10 [ 72.462800][ T6604] ? __raw_spin_lock_init+0x3a/0x110 [ 72.468205][ T6604] ? debug_mutex_init+0x37/0x70 [ 72.473112][ T6604] copy_net_ns+0x2b4/0x6b0 [ 72.477551][ T6604] create_new_namespaces+0x3ea/0xad0 [ 72.483020][ T6604] unshare_nsproxy_namespaces+0xc0/0x1f0 [ 72.488680][ T6604] ksys_unshare+0x45d/0xa40 [ 72.493253][ T6604] ? __pfx_ksys_unshare+0x10/0x10 [ 72.498306][ T6604] ? lockdep_hardirqs_on+0x7c/0x110 [ 72.503561][ T6604] ? _raw_spin_unlock_irq+0x2e/0x50 [ 72.508799][ T6604] __x64_sys_unshare+0x31/0x40 [ 72.513620][ T6604] do_syscall_64+0xcd/0x250 [ 72.518143][ T6604] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 72.524106][ T6604] RIP: 0033:0x7f51c74b82d9 [ 72.528548][ T6604] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 72.548222][ T6604] RSP: 002b:00007f51c7473238 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 72.556695][ T6604] RAX: ffffffffffffffda RBX: 00007f51c7542308 RCX: 00007f51c74b82d9 [ 72.564750][ T6604] RDX: 00007f51c74948c6 RSI: 0000000000000000 RDI: 0000000068040200 [ 72.572761][ T6604] RBP: 00007f51c7542300 R08: 00007ffc907d6927 R09: 00007f51c74736c0 [ 72.580742][ T6604] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f51c754230c [ 72.588753][ T6604] R13: 0000000000000000 R14: 00007ffc907d6840 R15: 00007ffc907d6928 [ 72.596774][ T6604] [ 72.599793][ T6604] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 72.607066][ T6604] CPU: 1 UID: 0 PID: 6604 Comm: syz-executor292 Not tainted 6.12.0-syzkaller-12113-gbcc8eda6d349 #0 [ 72.617822][ T6604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 72.627872][ T6604] Call Trace: [ 72.631144][ T6604] [ 72.634069][ T6604] dump_stack_lvl+0x3d/0x1f0 [ 72.638690][ T6604] panic+0x71d/0x800 [ 72.642590][ T6604] ? __pfx_panic+0x10/0x10 [ 72.647006][ T6604] ? show_trace_log_lvl+0x29d/0x3d0 [ 72.652209][ T6604] ? check_panic_on_warn+0x1f/0xb0 [ 72.657314][ T6604] ? ip6mr_free_table+0xbd/0x120 [ 72.662244][ T6604] check_panic_on_warn+0xab/0xb0 [ 72.667171][ T6604] __warn+0xf6/0x3c0 [ 72.671053][ T6604] ? ip6mr_free_table+0xbd/0x120 [ 72.675981][ T6604] report_bug+0x3c0/0x580 [ 72.680303][ T6604] handle_bug+0x54/0xa0 [ 72.684449][ T6604] exc_invalid_op+0x17/0x50 [ 72.688947][ T6604] asm_exc_invalid_op+0x1a/0x20 [ 72.693789][ T6604] RIP: 0010:ip6mr_free_table+0xbd/0x120 [ 72.699332][ T6604] Code: 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 58 49 83 bc 24 c0 0e 00 00 00 74 09 e8 e4 c6 af f7 90 <0f> 0b 90 e8 db c6 af f7 48 8d 7b 38 e8 42 87 9c f7 48 89 df be 0f [ 72.718946][ T6604] RSP: 0018:ffffc9000525fbd8 EFLAGS: 00010293 [ 72.725010][ T6604] RAX: 0000000000000000 RBX: ffff88807ee58000 RCX: ffffffff89ea3e04 [ 72.732967][ T6604] RDX: ffff888026bfa440 RSI: ffffffff89ea3e3c RDI: ffff888024f5e980 [ 72.740923][ T6604] RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000 [ 72.748880][ T6604] R10: 0000000000000001 R11: 0000000000000001 R12: ffff888024f5dac0 [ 72.756837][ T6604] R13: ffff88807ee58000 R14: ffff88807ee58008 R15: dead000000000100 [ 72.764803][ T6604] ? ip6mr_free_table+0x84/0x120 [ 72.769736][ T6604] ? ip6mr_free_table+0xbc/0x120 [ 72.774664][ T6604] ? ip6mr_free_table+0xbc/0x120 [ 72.779594][ T6604] ip6mr_rules_exit+0x176/0x2d0 [ 72.784436][ T6604] ip6mr_net_exit_batch+0x53/0xa0 [ 72.789449][ T6604] ? __pfx_ip6mr_net_exit_batch+0x10/0x10 [ 72.795163][ T6604] ? __pfx_ip6mr_net_exit+0x10/0x10 [ 72.800350][ T6604] ops_exit_list+0x128/0x180 [ 72.804937][ T6604] setup_net+0x4fe/0x860 [ 72.809171][ T6604] ? __pfx_setup_net+0x10/0x10 [ 72.813923][ T6604] ? down_read_killable+0xcc/0x380 [ 72.819031][ T6604] ? __pfx_down_read_killable+0x10/0x10 [ 72.824569][ T6604] ? __raw_spin_lock_init+0x3a/0x110 [ 72.829848][ T6604] ? debug_mutex_init+0x37/0x70 [ 72.834693][ T6604] copy_net_ns+0x2b4/0x6b0 [ 72.839099][ T6604] create_new_namespaces+0x3ea/0xad0 [ 72.844379][ T6604] unshare_nsproxy_namespaces+0xc0/0x1f0 [ 72.850005][ T6604] ksys_unshare+0x45d/0xa40 [ 72.854501][ T6604] ? __pfx_ksys_unshare+0x10/0x10 [ 72.859520][ T6604] ? lockdep_hardirqs_on+0x7c/0x110 [ 72.864711][ T6604] ? _raw_spin_unlock_irq+0x2e/0x50 [ 72.869918][ T6604] __x64_sys_unshare+0x31/0x40 [ 72.874693][ T6604] do_syscall_64+0xcd/0x250 [ 72.879205][ T6604] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 72.885097][ T6604] RIP: 0033:0x7f51c74b82d9 [ 72.889501][ T6604] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 72.909096][ T6604] RSP: 002b:00007f51c7473238 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 72.917497][ T6604] RAX: ffffffffffffffda RBX: 00007f51c7542308 RCX: 00007f51c74b82d9 [ 72.925456][ T6604] RDX: 00007f51c74948c6 RSI: 0000000000000000 RDI: 0000000068040200 [ 72.933417][ T6604] RBP: 00007f51c7542300 R08: 00007ffc907d6927 R09: 00007f51c74736c0 [ 72.941375][ T6604] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f51c754230c [ 72.949334][ T6604] R13: 0000000000000000 R14: 00007ffc907d6840 R15: 00007ffc907d6928 [ 72.957301][ T6604] [ 72.960420][ T6604] Kernel Offset: disabled [ 72.964781][ T6604] Rebooting in 86400 seconds..