./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor300418145 <...> Warning: Permanently added '10.128.0.184' (ED25519) to the list of known hosts. execve("./syz-executor300418145", ["./syz-executor300418145"], 0x7fff73634390 /* 10 vars */) = 0 brk(NULL) = 0x555584010000 brk(0x555584010d40) = 0x555584010d40 arch_prctl(ARCH_SET_FS, 0x5555840103c0) = 0 set_tid_address(0x555584010690) = 5852 set_robust_list(0x5555840106a0, 24) = 0 rseq(0x555584010ce0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor300418145", 4096) = 27 getrandom("\x2e\x74\x78\x9e\xa7\x1b\x21\xea", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555584010d40 brk(0x555584031d40) = 0x555584031d40 brk(0x555584032000) = 0x555584032000 mprotect(0x7f0b13d98000, 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 5853 attached , child_tidptr=0x555584010690) = 5853 [pid 5852] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5853] set_robust_list(0x5555840106a0, 24) = 0 ./strace-static-x86_64: Process 5854 attached [pid 5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5852] <... clone resumed>, child_tidptr=0x555584010690) = 5854 [pid 5854] set_robust_list(0x5555840106a0, 24 [pid 5852] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5855 attached ./strace-static-x86_64: Process 5856 attached [pid 5855] set_robust_list(0x5555840106a0, 24 [pid 5854] <... set_robust_list resumed>) = 0 [pid 5853] <... clone resumed>, child_tidptr=0x555584010690) = 5855 [pid 5852] <... clone resumed>, child_tidptr=0x555584010690) = 5856 [pid 5856] set_robust_list(0x5555840106a0, 24 [pid 5855] <... set_robust_list resumed>) = 0 [pid 5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5852] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5856] <... set_robust_list resumed>) = 0 [pid 5855] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5857 attached ./strace-static-x86_64: Process 5858 attached [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5855] <... prctl resumed>) = 0 [pid 5857] set_robust_list(0x5555840106a0, 24 [pid 5854] <... clone resumed>, child_tidptr=0x555584010690) = 5857 ./strace-static-x86_64: Process 5859 attached [pid 5852] <... clone resumed>, child_tidptr=0x555584010690) = 5858 [pid 5858] set_robust_list(0x5555840106a0, 24 [pid 5857] <... set_robust_list resumed>) = 0 [pid 5855] setpgid(0, 0 [pid 5852] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5858] <... set_robust_list resumed>) = 0 [pid 5857] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5856] <... clone resumed>, child_tidptr=0x555584010690) = 5859 [pid 5855] <... setpgid resumed>) = 0 [pid 5859] set_robust_list(0x5555840106a0, 24 [pid 5857] <... prctl resumed>) = 0 [pid 5859] <... set_robust_list resumed>) = 0 [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5857] setpgid(0, 0 [pid 5855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5860 attached [pid 5859] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5857] <... setpgid resumed>) = 0 [pid 5855] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5861 attached [pid 5852] <... clone resumed>, child_tidptr=0x555584010690) = 5860 [pid 5860] set_robust_list(0x5555840106a0, 24 [pid 5858] <... clone resumed>, child_tidptr=0x555584010690) = 5861 [pid 5861] set_robust_list(0x5555840106a0, 24 [pid 5860] <... set_robust_list resumed>) = 0 [pid 5861] <... set_robust_list resumed>) = 0 [pid 5859] <... prctl resumed>) = 0 [pid 5857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5855] write(3, "1000", 4 [pid 5860] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5861] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5857] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5862 attached [pid 5861] <... prctl resumed>) = 0 [pid 5859] setpgid(0, 0 [pid 5855] <... write resumed>) = 4 [pid 5862] set_robust_list(0x5555840106a0, 24 [pid 5861] setpgid(0, 0 [pid 5860] <... clone resumed>, child_tidptr=0x555584010690) = 5862 [pid 5859] <... setpgid resumed>) = 0 [pid 5857] write(3, "1000", 4 [pid 5855] close(3 [pid 5862] <... set_robust_list resumed>) = 0 [pid 5861] <... setpgid resumed>) = 0 [pid 5857] <... write resumed>) = 4 [pid 5855] <... close resumed>) = 0 [pid 5862] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5857] close(3 [pid 5855] write(1, "executing program\n", 18executing program [pid 5862] <... prctl resumed>) = 0 [pid 5861] <... openat resumed>) = 3 [pid 5859] <... openat resumed>) = 3 [pid 5857] <... close resumed>) = 0 [pid 5855] <... write resumed>) = 18 [pid 5862] setpgid(0, 0 [pid 5861] write(3, "1000", 4 [pid 5859] write(3, "1000", 4 [pid 5857] write(1, "executing program\n", 18 [pid 5855] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5862] <... setpgid resumed>) = 0 executing program [pid 5859] <... write resumed>) = 4 [pid 5861] <... write resumed>) = 4 [pid 5857] <... write resumed>) = 18 [pid 5855] <... futex resumed>) = 0 [pid 5862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5861] close(3 [pid 5857] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 5861] <... close resumed>) = 0 [pid 5859] close(3 [pid 5857] <... futex resumed>) = 0 [pid 5855] <... rt_sigaction resumed>NULL, 8) = 0 executing program [pid 5861] write(1, "executing program\n", 18 [pid 5859] <... close resumed>) = 0 [pid 5857] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 5855] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5862] <... openat resumed>) = 3 [pid 5861] <... write resumed>) = 18 executing program [pid 5859] write(1, "executing program\n", 18 [pid 5862] write(3, "1000", 4 [pid 5857] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5855] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5862] <... write resumed>) = 4 [pid 5861] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... write resumed>) = 18 [pid 5857] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5855] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5862] close(3 [pid 5861] <... futex resumed>) = 0 [pid 5859] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5855] <... mmap resumed>) = 0x7f0b13caf000 [pid 5862] <... close resumed>) = 0 [pid 5861] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 5859] <... futex resumed>) = 0 [pid 5857] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5862] write(1, "executing program\n", 18executing program [pid 5859] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 5862] <... write resumed>) = 18 [pid 5859] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5862] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5861] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5859] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5857] <... mmap resumed>) = 0x7f0b13caf000 [pid 5855] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 5862] <... futex resumed>) = 0 [pid 5861] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5859] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5857] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 5855] <... mprotect resumed>) = 0 [pid 5862] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 5861] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5857] <... mprotect resumed>) = 0 [pid 5855] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5862] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5861] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5859] <... mmap resumed>) = 0x7f0b13caf000 [pid 5857] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5862] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5861] <... mmap resumed>) = 0x7f0b13caf000 [pid 5859] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 5855] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5862] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5861] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 5859] <... mprotect resumed>) = 0 [pid 5857] <... rt_sigprocmask resumed>[], 8) = 0 [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=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0}./strace-static-x86_64: Process 5863 attached [pid 5862] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5861] <... mprotect resumed>) = 0 [pid 5859] 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=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 5862] <... mmap resumed>) = 0x7f0b13caf000 ./strace-static-x86_64: Process 5864 attached [pid 5863] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 5862] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 5861] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5859] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5863] <... rseq resumed>) = 0 [pid 5861] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5864] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 5855] <... clone3 resumed> => {parent_tid=[5863]}, 88) = 5863 [pid 5864] <... rseq resumed>) = 0 [pid 5863] set_robust_list(0x7f0b13ccf9a0, 24 [pid 5862] <... mprotect resumed>) = 0 [pid 5861] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 5859] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 5857] <... clone3 resumed> => {parent_tid=[5864]}, 88) = 5864 [pid 5855] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5866 attached ./strace-static-x86_64: Process 5865 attached [pid 5864] set_robust_list(0x7f0b13ccf9a0, 24 [pid 5863] <... set_robust_list resumed>) = 0 [pid 5862] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5857] rt_sigprocmask(SIG_SETMASK, [], [pid 5855] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 5865] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 5864] <... set_robust_list resumed>) = 0 [pid 5863] rt_sigprocmask(SIG_SETMASK, [], [pid 5862] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5859] <... clone3 resumed> => {parent_tid=[5865]}, 88) = 5865 [pid 5866] <... rseq resumed>) = 0 [pid 5865] <... rseq resumed>) = 0 [pid 5864] rt_sigprocmask(SIG_SETMASK, [], [pid 5863] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5862] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 5861] <... clone3 resumed> => {parent_tid=[5866]}, 88) = 5866 [pid 5859] rt_sigprocmask(SIG_SETMASK, [], [pid 5857] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5855] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5867 attached [pid 5866] set_robust_list(0x7f0b13ccf9a0, 24 [pid 5865] set_robust_list(0x7f0b13ccf9a0, 24 [pid 5864] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 5861] rt_sigprocmask(SIG_SETMASK, [], [pid 5859] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5857] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] <... futex resumed>) = 0 [pid 5867] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 5866] <... set_robust_list resumed>) = 0 [pid 5865] <... set_robust_list resumed>) = 0 [pid 5864] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 5861] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5857] <... futex resumed>) = 0 [pid 5855] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] <... rseq resumed>) = 0 [pid 5866] rt_sigprocmask(SIG_SETMASK, [], [pid 5865] rt_sigprocmask(SIG_SETMASK, [], [pid 5862] <... clone3 resumed> => {parent_tid=[5867]}, 88) = 5867 [pid 5861] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] set_robust_list(0x7f0b13ccf9a0, 24 [pid 5865] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5861] <... futex resumed>) = 0 [pid 5867] <... set_robust_list resumed>) = 0 [pid 5865] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 5861] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5862] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5866] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5862] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... futex resumed>) = 0 [pid 5866] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 5862] <... futex resumed>) = 0 [pid 5859] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5862] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5867] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 5857] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5855] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5861] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5859] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5862] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5863] <... unshare resumed>) = 0 [pid 5863] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] exit_group(0) = ? [pid 5863] <... futex resumed>) = ? [pid 5863] +++ exited with 0 +++ [pid 5855] +++ exited with 0 +++ [pid 5853] --- 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 5853] restart_syscall(<... resuming interrupted clone ...> [pid 5867] <... unshare resumed>) = 0 [pid 5865] <... unshare resumed>) = 0 [pid 5853] <... restart_syscall resumed>) = 0 [pid 5867] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5865] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5862] exit_group(0 [pid 5865] <... futex resumed>) = 0 [pid 5862] <... exit_group resumed>) = ? [pid 5859] exit_group(0) = ? [pid 5865] +++ exited with 0 +++ [pid 5859] +++ exited with 0 +++ [pid 5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5859, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5856] restart_syscall(<... resuming interrupted clone ...> [pid 5853] <... clone resumed>, child_tidptr=0x555584010690) = 5873 ./strace-static-x86_64: Process 5873 attached [pid 5867] +++ exited with 0 +++ [pid 5866] <... unshare resumed>) = 0 [pid 5862] +++ exited with 0 +++ [pid 5856] <... restart_syscall resumed>) = 0 [pid 5873] set_robust_list(0x5555840106a0, 24 [pid 5866] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5862, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5873] <... set_robust_list resumed>) = 0 [pid 5866] <... futex resumed>) = 0 [pid 5864] <... unshare resumed>) = 0 [pid 5873] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5873] <... prctl resumed>) = 0 [pid 5866] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5864] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5861] exit_group(0 [pid 5857] exit_group(0./strace-static-x86_64: Process 5876 attached [pid 5861] <... exit_group resumed>) = ? [pid 5860] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5857] <... exit_group resumed>) = ? [pid 5864] <... futex resumed>) = ? [pid 5866] <... futex resumed>) = ? [pid 5866] +++ exited with 0 +++ [pid 5856] <... clone resumed>, child_tidptr=0x555584010690) = 5876 ./strace-static-x86_64: Process 5877 attached [pid 5876] set_robust_list(0x5555840106a0, 24 [pid 5873] setpgid(0, 0 [pid 5864] +++ exited with 0 +++ [pid 5861] +++ exited with 0 +++ [pid 5857] +++ exited with 0 +++ [pid 5873] <... setpgid resumed>) = 0 [pid 5876] <... set_robust_list resumed>) = 0 [pid 5877] set_robust_list(0x5555840106a0, 24 [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5861, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5857, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5877] <... set_robust_list resumed>) = 0 [pid 5877] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5876] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5860] <... clone resumed>, child_tidptr=0x555584010690) = 5877 [pid 5877] <... prctl resumed>) = 0 [pid 5876] <... prctl resumed>) = 0 [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5877] setpgid(0, 0 [pid 5876] setpgid(0, 0 [pid 5873] <... openat resumed>) = 3 [pid 5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5877] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5878 attached [pid 5876] <... setpgid resumed>) = 0 [pid 5873] write(3, "1000", 4./strace-static-x86_64: Process 5879 attached [pid 5878] set_robust_list(0x5555840106a0, 24 [pid 5877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5873] <... write resumed>) = 4 [pid 5879] set_robust_list(0x5555840106a0, 24 [pid 5877] <... openat resumed>) = 3 [pid 5873] close(3executing program [pid 5879] <... set_robust_list resumed>) = 0 [pid 5878] <... set_robust_list resumed>) = 0 [pid 5877] write(3, "1000", 4 [pid 5873] <... close resumed>) = 0 [pid 5858] <... clone resumed>, child_tidptr=0x555584010690) = 5878 [pid 5876] <... openat resumed>) = 3 [pid 5879] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5878] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5873] write(1, "executing program\n", 18 [pid 5876] write(3, "1000", 4 [pid 5879] <... prctl resumed>) = 0 [pid 5878] <... prctl resumed>) = 0 [pid 5877] <... write resumed>) = 4 [pid 5876] <... write resumed>) = 4 [pid 5873] <... write resumed>) = 18 [pid 5879] setpgid(0, 0 [pid 5877] close(3 [pid 5873] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5879] <... setpgid resumed>) = 0 [pid 5878] setpgid(0, 0 [pid 5877] <... close resumed>) = 0 [pid 5876] close(3 [pid 5873] <... futex resumed>) = 0 [pid 5854] <... clone resumed>, child_tidptr=0x555584010690) = 5879 executing program [pid 5878] <... setpgid resumed>) = 0 [pid 5877] write(1, "executing program\n", 18 [pid 5873] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 5877] <... write resumed>) = 18 [pid 5876] <... close resumed>) = 0 [pid 5873] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5877] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5877] <... futex resumed>) = 0 executing program [pid 5873] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5879] <... openat resumed>) = 3 [pid 5878] <... openat resumed>) = 3 [pid 5877] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 5876] write(1, "executing program\n", 18 [pid 5873] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5879] write(3, "1000", 4 [pid 5878] write(3, "1000", 4 [pid 5876] <... write resumed>) = 18 [pid 5879] <... write resumed>) = 4 [pid 5878] <... write resumed>) = 4 [pid 5873] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5879] close(3 [pid 5878] close(3 [pid 5877] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5876] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5879] <... close resumed>) = 0 [pid 5877] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5876] <... futex resumed>) = 0 [pid 5873] <... mmap resumed>) = 0x7f0b13caf000 [pid 5879] write(1, "executing program\n", 18executing program [pid 5878] <... close resumed>) = 0 [pid 5877] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5876] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 5873] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITEexecuting program [pid 5879] <... write resumed>) = 18 [pid 5878] write(1, "executing program\n", 18 [pid 5877] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5876] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5873] <... mprotect resumed>) = 0 [pid 5879] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5878] <... write resumed>) = 18 [pid 5877] <... mmap resumed>) = 0x7f0b13caf000 [pid 5876] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5878] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 5879] <... futex resumed>) = 0 [pid 5878] <... futex resumed>) = 0 [pid 5877] <... mprotect resumed>) = 0 [pid 5876] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5873] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5879] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 5877] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5877] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0}./strace-static-x86_64: Process 5880 attached [pid 5880] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 5879] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5878] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 5876] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5873] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5879] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5878] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5880] <... rseq resumed>) = 0 [pid 5880] set_robust_list(0x7f0b13ccf9a0, 24 [pid 5877] <... clone3 resumed> => {parent_tid=[5880]}, 88) = 5880 [pid 5880] <... set_robust_list resumed>) = 0 [pid 5877] rt_sigprocmask(SIG_SETMASK, [], [pid 5880] rt_sigprocmask(SIG_SETMASK, [], [pid 5877] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5880] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5877] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5880] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 5877] <... futex resumed>) = 0 [pid 5879] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5878] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5876] <... mmap resumed>) = 0x7f0b13caf000 [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=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 5877] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5876] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5881 attached [pid 5879] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5878] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5876] <... mprotect resumed>) = 0 [pid 5879] <... mmap resumed>) = 0x7f0b13caf000 [pid 5878] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5881] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 5879] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 5878] <... mmap resumed>) = 0x7f0b13caf000 [pid 5876] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5881] <... rseq resumed>) = 0 [pid 5879] <... mprotect resumed>) = 0 [pid 5878] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 5881] set_robust_list(0x7f0b13ccf9a0, 24 [pid 5879] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5878] <... mprotect resumed>) = 0 [pid 5873] <... clone3 resumed> => {parent_tid=[5881]}, 88) = 5881 [pid 5881] <... set_robust_list resumed>) = 0 [pid 5879] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5878] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5876] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5873] rt_sigprocmask(SIG_SETMASK, [], [pid 5881] rt_sigprocmask(SIG_SETMASK, [], [pid 5879] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 5878] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5881] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5881] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5878] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [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=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 5873] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5883 attached ./strace-static-x86_64: Process 5882 attached [pid 5879] <... clone3 resumed> => {parent_tid=[5882]}, 88) = 5882 [pid 5873] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5884 attached [pid 5883] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 5882] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 5881] <... futex resumed>) = 0 [pid 5879] rt_sigprocmask(SIG_SETMASK, [], [pid 5878] <... clone3 resumed> => {parent_tid=[5883]}, 88) = 5883 [pid 5876] <... clone3 resumed> => {parent_tid=[5884]}, 88) = 5884 [pid 5873] <... futex resumed>) = 1 [pid 5884] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 5883] <... rseq resumed>) = 0 [pid 5882] <... rseq resumed>) = 0 [pid 5881] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 5879] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5878] rt_sigprocmask(SIG_SETMASK, [], [pid 5876] rt_sigprocmask(SIG_SETMASK, [], [pid 5873] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5884] <... rseq resumed>) = 0 [pid 5883] set_robust_list(0x7f0b13ccf9a0, 24 [pid 5882] set_robust_list(0x7f0b13ccf9a0, 24 [pid 5879] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5878] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5876] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5883] <... set_robust_list resumed>) = 0 [pid 5882] <... set_robust_list resumed>) = 0 [pid 5879] <... futex resumed>) = 0 [pid 5878] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5884] set_robust_list(0x7f0b13ccf9a0, 24 [pid 5883] rt_sigprocmask(SIG_SETMASK, [], [pid 5882] rt_sigprocmask(SIG_SETMASK, [], [pid 5879] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5878] <... futex resumed>) = 0 [pid 5876] <... futex resumed>) = 0 [pid 5883] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5882] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5878] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5876] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5884] <... set_robust_list resumed>) = 0 [pid 5883] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 5882] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 5884] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5884] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 5877] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5880] <... unshare resumed>) = 0 [pid 5880] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5877] exit_group(0) = ? [pid 5873] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5880] +++ exited with 0 +++ [pid 5879] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5877] +++ exited with 0 +++ [pid 5878] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5860] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5877, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5860] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5876] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 5886 attached [pid 5886] set_robust_list(0x5555840106a0, 24) = 0 [pid 5886] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5886] setpgid(0, 0 [pid 5860] <... clone resumed>, child_tidptr=0x555584010690) = 5886 [pid 5886] <... setpgid resumed>) = 0 [pid 5886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5886] write(3, "1000", 4) = 4 [pid 5886] close(3) = 0 [pid 5886] write(1, "executing program\n", 18executing program ) = 18 [pid 5886] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5886] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, NULL, 8) = 0 [pid 5886] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5886] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0b13caf000 [pid 5886] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5886] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5886] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0}./strace-static-x86_64: Process 5887 attached => {parent_tid=[5887]}, 88) = 5887 [pid 5887] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 5886] rt_sigprocmask(SIG_SETMASK, [], [pid 5887] <... rseq resumed>) = 0 [pid 5886] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5887] set_robust_list(0x7f0b13ccf9a0, 24 [pid 5886] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5887] <... set_robust_list resumed>) = 0 [pid 5886] <... futex resumed>) = 0 [pid 5887] rt_sigprocmask(SIG_SETMASK, [], [pid 5886] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5887] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5887] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 5881] <... unshare resumed>) = 0 [pid 5881] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5881] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5873] exit_group(0) = ? [pid 5881] <... futex resumed>) = ? [pid 5881] +++ exited with 0 +++ [pid 5886] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5873] +++ exited with 0 +++ [pid 5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5873, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5853] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555584010690) = 5889 ./strace-static-x86_64: Process 5889 attached [pid 5889] set_robust_list(0x5555840106a0, 24) = 0 [pid 5889] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5889] setpgid(0, 0) = 0 [pid 5889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5889] write(3, "1000", 4) = 4 [pid 5889] close(3) = 0 executing program [pid 5889] write(1, "executing program\n", 18) = 18 [pid 5889] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5889] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, NULL, 8) = 0 [pid 5889] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5889] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0b13caf000 [pid 5889] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5889] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5889] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0}./strace-static-x86_64: Process 5890 attached [pid 5890] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 5889] <... clone3 resumed> => {parent_tid=[5890]}, 88) = 5890 [pid 5890] <... rseq resumed>) = 0 [pid 5889] rt_sigprocmask(SIG_SETMASK, [], [pid 5890] set_robust_list(0x7f0b13ccf9a0, 24 [pid 5889] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5890] <... set_robust_list resumed>) = 0 [pid 5889] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5890] rt_sigprocmask(SIG_SETMASK, [], [pid 5889] <... futex resumed>) = 0 [pid 5890] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5889] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5890] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 5889] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5882] <... unshare resumed>) = 0 [pid 5882] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5883] <... unshare resumed>) = 0 [pid 5882] <... futex resumed>) = 0 [pid 5882] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5883] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5883] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5879] exit_group(0 [pid 5878] exit_group(0 [pid 5879] <... exit_group resumed>) = ? [pid 5883] <... futex resumed>) = ? [pid 5878] <... exit_group resumed>) = ? [pid 5883] +++ exited with 0 +++ [pid 5878] +++ exited with 0 +++ [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5878, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5858] restart_syscall(<... resuming interrupted clone ...> [pid 5882] <... futex resumed>) = ? [pid 5858] <... restart_syscall resumed>) = 0 [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5882] +++ exited with 0 +++ [pid 5879] +++ exited with 0 +++ ./strace-static-x86_64: Process 5894 attached [pid 5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5879, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5894] set_robust_list(0x5555840106a0, 24 [pid 5858] <... clone resumed>, child_tidptr=0x555584010690) = 5894 [pid 5894] <... set_robust_list resumed>) = 0 [pid 5894] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5887] <... unshare resumed>) = 0 [pid 5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5894] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5895 attached [pid 5894] setpgid(0, 0 [pid 5887] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] <... setpgid resumed>) = 0 [pid 5886] exit_group(0) = ? [pid 5895] set_robust_list(0x5555840106a0, 24 [pid 5894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5895] <... set_robust_list resumed>) = 0 [pid 5894] <... openat resumed>) = 3 [pid 5887] <... futex resumed>) = ? [pid 5895] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5895] setpgid(0, 0) = 0 [pid 5895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5894] write(3, "1000", 4 [pid 5887] +++ exited with 0 +++ [pid 5886] +++ exited with 0 +++ [pid 5895] <... openat resumed>) = 3 [pid 5894] <... write resumed>) = 4 [pid 5895] write(3, "1000", 4 [pid 5894] close(3 [pid 5854] <... clone resumed>, child_tidptr=0x555584010690) = 5895 [pid 5895] <... write resumed>) = 4 [pid 5895] close(3 [pid 5860] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5886, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- executing program executing program [pid 5895] <... close resumed>) = 0 [pid 5894] <... close resumed>) = 0 [pid 5860] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5894] write(1, "executing program\n", 18 [pid 5895] write(1, "executing program\n", 18) = 18 ./strace-static-x86_64: Process 5898 attached [pid 5894] <... write resumed>) = 18 [pid 5895] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5895] <... futex resumed>) = 0 [pid 5894] <... futex resumed>) = 0 [pid 5895] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 5894] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 5895] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5894] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5898] set_robust_list(0x5555840106a0, 24 [pid 5895] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5894] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5898] <... set_robust_list resumed>) = 0 [pid 5898] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5898] setpgid(0, 0) = 0 [pid 5895] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5894] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5890] <... unshare resumed>) = 0 [pid 5884] <... unshare resumed>) = 0 [pid 5860] <... clone resumed>, child_tidptr=0x555584010690) = 5898 [pid 5898] <... openat resumed>) = 3 [pid 5895] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5894] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5898] write(3, "1000", 4 [pid 5895] <... mmap resumed>) = 0x7f0b13caf000 [pid 5894] <... mmap resumed>) = 0x7f0b13caf000 [pid 5890] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5898] <... write resumed>) = 4 [pid 5895] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 5894] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 5890] <... futex resumed>) = 0 [pid 5898] close(3 [pid 5895] <... mprotect resumed>) = 0 [pid 5894] <... mprotect resumed>) = 0 [pid 5890] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5889] exit_group(0 [pid 5884] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] exit_group(0 [pid 5898] <... close resumed>) = 0 [pid 5895] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5894] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5890] <... futex resumed>) = ? [pid 5889] <... exit_group resumed>) = ? [pid 5884] <... futex resumed>) = ? [pid 5876] <... exit_group resumed>) = ? [pid 5898] write(1, "executing program\n", 18 [pid 5895] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5894] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5890] +++ exited with 0 +++ [pid 5884] +++ exited with 0 +++ [pid 5895] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 5894] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0}./strace-static-x86_64: Process 5899 attached ./strace-static-x86_64: Process 5900 attached [pid 5895] <... clone3 resumed> => {parent_tid=[5899]}, 88) = 5899 [pid 5894] <... clone3 resumed> => {parent_tid=[5900]}, 88) = 5900 [pid 5895] rt_sigprocmask(SIG_SETMASK, [], [pid 5894] rt_sigprocmask(SIG_SETMASK, [], [pid 5895] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5894] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5895] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5895] <... futex resumed>) = 0 [pid 5894] <... futex resumed>) = 0 [pid 5895] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5894] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5876] +++ exited with 0 +++ [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5876, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5856] restart_syscall(<... resuming interrupted clone ...>executing program [pid 5900] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 5899] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 5898] <... write resumed>) = 18 [pid 5889] +++ exited with 0 +++ [pid 5900] <... rseq resumed>) = 0 [pid 5899] <... rseq resumed>) = 0 [pid 5900] set_robust_list(0x7f0b13ccf9a0, 24 [pid 5899] set_robust_list(0x7f0b13ccf9a0, 24 [pid 5898] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5889, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5900] <... set_robust_list resumed>) = 0 [pid 5899] <... set_robust_list resumed>) = 0 [pid 5898] <... futex resumed>) = 0 [pid 5853] restart_syscall(<... resuming interrupted clone ...> [pid 5900] rt_sigprocmask(SIG_SETMASK, [], [pid 5899] rt_sigprocmask(SIG_SETMASK, [], [pid 5898] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 5900] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5899] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5898] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5900] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 5899] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 5898] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5898] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0b13caf000 [pid 5853] <... restart_syscall resumed>) = 0 [pid 5856] <... restart_syscall resumed>) = 0 [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5898] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5901 attached ) = 0 [pid 5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5902 attached [pid 5856] <... clone resumed>, child_tidptr=0x555584010690) = 5901 [pid 5898] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5901] set_robust_list(0x5555840106a0, 24 [pid 5902] set_robust_list(0x5555840106a0, 24 [pid 5901] <... set_robust_list resumed>) = 0 [pid 5898] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5898] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0}./strace-static-x86_64: Process 5903 attached => {parent_tid=[5903]}, 88) = 5903 [pid 5903] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053) = 0 [pid 5903] set_robust_list(0x7f0b13ccf9a0, 24 [pid 5902] <... set_robust_list resumed>) = 0 [pid 5898] rt_sigprocmask(SIG_SETMASK, [], [pid 5902] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5898] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5902] <... prctl resumed>) = 0 [pid 5898] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5903] <... set_robust_list resumed>) = 0 [pid 5903] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5903] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 5902] setpgid(0, 0 [pid 5901] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5898] <... futex resumed>) = 0 [pid 5853] <... clone resumed>, child_tidptr=0x555584010690) = 5902 [pid 5902] <... setpgid resumed>) = 0 [pid 5901] <... prctl resumed>) = 0 [pid 5898] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5901] setpgid(0, 0 [pid 5902] <... openat resumed>) = 3 [pid 5901] <... setpgid resumed>) = 0 [pid 5902] write(3, "1000", 4 [pid 5901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5902] <... write resumed>) = 4 [pid 5901] <... openat resumed>) = 3 [pid 5902] close(3 [pid 5901] write(3, "1000", 4executing program executing program [pid 5902] <... close resumed>) = 0 [pid 5901] <... write resumed>) = 4 [pid 5902] write(1, "executing program\n", 18 [pid 5901] close(3 [pid 5902] <... write resumed>) = 18 [pid 5901] <... close resumed>) = 0 [pid 5902] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] write(1, "executing program\n", 18 [pid 5902] <... futex resumed>) = 0 [pid 5901] <... write resumed>) = 18 [pid 5902] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 5901] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5901] <... futex resumed>) = 0 [pid 5902] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5901] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 5902] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5901] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5902] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5901] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5902] <... mmap resumed>) = 0x7f0b13caf000 [pid 5901] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5902] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 5901] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5902] <... mprotect resumed>) = 0 [pid 5901] <... mmap resumed>) = 0x7f0b13caf000 [pid 5902] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5901] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 5902] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5901] <... mprotect resumed>) = 0 [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=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 5895] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5894] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 5904 attached [pid 5901] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5904] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 5902] <... clone3 resumed> => {parent_tid=[5904]}, 88) = 5904 [pid 5904] <... rseq resumed>) = 0 [pid 5902] rt_sigprocmask(SIG_SETMASK, [], [pid 5901] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5904] set_robust_list(0x7f0b13ccf9a0, 24 [pid 5902] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5901] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 5904] <... set_robust_list resumed>) = 0 [pid 5902] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5905 attached [pid 5904] rt_sigprocmask(SIG_SETMASK, [], [pid 5902] <... futex resumed>) = 0 [pid 5905] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053) = 0 [pid 5904] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5902] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5901] <... clone3 resumed> => {parent_tid=[5905]}, 88) = 5905 [pid 5905] set_robust_list(0x7f0b13ccf9a0, 24 [pid 5904] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 5901] rt_sigprocmask(SIG_SETMASK, [], [pid 5905] <... set_robust_list resumed>) = 0 [pid 5905] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5905] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5901] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5901] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] <... futex resumed>) = 0 [pid 5901] <... futex resumed>) = 1 [pid 5905] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 5901] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5898] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5902] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5901] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5905] <... unshare resumed>) = 0 [pid 5905] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5905] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5901] exit_group(0) = ? [pid 5905] <... futex resumed>) = ? [pid 5905] +++ exited with 0 +++ [pid 5901] +++ exited with 0 +++ [pid 5899] <... unshare resumed>) = 0 [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5901, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5904] <... unshare resumed>) = 0 [pid 5900] <... unshare resumed>) = 0 [pid 5904] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5900] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5899] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5904] <... futex resumed>) = 0 [pid 5904] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5902] exit_group(0 [pid 5900] <... futex resumed>) = 0 [pid 5899] <... futex resumed>) = 0 [pid 5895] exit_group(0 [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5900] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5899] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5902] <... exit_group resumed>) = ? [pid 5894] exit_group(0 [pid 5895] <... exit_group resumed>) = ? [pid 5899] <... futex resumed>) = ? [pid 5904] <... futex resumed>) = ? [pid 5903] <... unshare resumed>) = 0 [pid 5900] <... futex resumed>) = ? [pid 5899] +++ exited with 0 +++ [pid 5894] <... exit_group resumed>) = ? [pid 5900] +++ exited with 0 +++ [pid 5903] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5903] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5911 attached [pid 5904] +++ exited with 0 +++ [pid 5902] +++ exited with 0 +++ [pid 5898] exit_group(0 [pid 5895] +++ exited with 0 +++ [pid 5894] +++ exited with 0 +++ [pid 5911] set_robust_list(0x5555840106a0, 24 [pid 5903] <... futex resumed>) = ? [pid 5898] <... exit_group resumed>) = ? [pid 5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5902, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5911] <... set_robust_list resumed>) = 0 [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5894, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5856] <... clone resumed>, child_tidptr=0x555584010690) = 5911 [pid 5911] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5911] <... prctl resumed>) = 0 [pid 5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5895, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5911] setpgid(0, 0 [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5853] <... clone resumed>, child_tidptr=0x555584010690) = 5912 [pid 5911] <... setpgid resumed>) = 0 [pid 5903] +++ exited with 0 +++ [pid 5898] +++ exited with 0 +++ ./strace-static-x86_64: Process 5913 attached ./strace-static-x86_64: Process 5912 attached [pid 5911] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5912] set_robust_list(0x5555840106a0, 24 [pid 5913] set_robust_list(0x5555840106a0, 24 [pid 5912] <... set_robust_list resumed>) = 0 [pid 5913] <... set_robust_list resumed>) = 0 [pid 5913] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5912] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5911] <... openat resumed>) = 3 [pid 5860] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5898, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5858] <... clone resumed>, child_tidptr=0x555584010690) = 5913 [pid 5913] <... prctl resumed>) = 0 [pid 5912] <... prctl resumed>) = 0 [pid 5911] write(3, "1000", 4 [pid 5860] restart_syscall(<... resuming interrupted clone ...> [pid 5913] setpgid(0, 0 [pid 5911] <... write resumed>) = 4 [pid 5860] <... restart_syscall resumed>) = 0 executing program [pid 5913] <... setpgid resumed>) = 0 [pid 5912] setpgid(0, 0 [pid 5911] close(3) = 0 [pid 5911] write(1, "executing program\n", 18 [pid 5860] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5912] <... setpgid resumed>) = 0 [pid 5911] <... write resumed>) = 18 ./strace-static-x86_64: Process 5914 attached [pid 5911] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5911] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 5912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5911] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5860] <... clone resumed>, child_tidptr=0x555584010690) = 5914 [pid 5914] set_robust_list(0x5555840106a0, 24 [pid 5912] <... openat resumed>) = 3 [pid 5911] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5914] <... set_robust_list resumed>) = 0 [pid 5912] write(3, "1000", 4 [pid 5911] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5911] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5914] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5912] <... write resumed>) = 4 [pid 5911] <... mmap resumed>) = 0x7f0b13caf000 [pid 5911] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 5914] <... prctl resumed>) = 0 [pid 5913] <... openat resumed>) = 3 [pid 5912] close(3 [pid 5914] setpgid(0, 0 [pid 5913] write(3, "1000", 4 [pid 5912] <... close resumed>) = 0 [pid 5911] <... mprotect resumed>) = 0 [pid 5914] <... setpgid resumed>) = 0 [pid 5913] <... write resumed>) = 4 [pid 5912] write(1, "executing program\n", 18 [pid 5911] rt_sigprocmask(SIG_BLOCK, ~[], executing program [pid 5914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5913] close(3 [pid 5912] <... write resumed>) = 18 [pid 5911] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5914] <... openat resumed>) = 3 [pid 5913] <... close resumed>) = 0 [pid 5912] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program ./strace-static-x86_64: Process 5916 attached ./strace-static-x86_64: Process 5915 attached [pid 5914] write(3, "1000", 4 [pid 5913] write(1, "executing program\n", 18 [pid 5912] <... futex resumed>) = 0 [pid 5916] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 5915] set_robust_list(0x5555840106a0, 24 [pid 5914] <... write resumed>) = 4 [pid 5913] <... write resumed>) = 18 [pid 5912] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 5916] <... rseq resumed>) = 0 [pid 5915] <... set_robust_list resumed>) = 0 [pid 5914] close(3 [pid 5913] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5912] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5916] set_robust_list(0x7f0b13ccf9a0, 24) = 0 [pid 5915] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5914] <... close resumed>) = 0 [pid 5913] <... futex resumed>) = 0 [pid 5912] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5911] <... clone3 resumed> => {parent_tid=[5916]}, 88) = 5916 executing program [pid 5854] <... clone resumed>, child_tidptr=0x555584010690) = 5915 [pid 5916] rt_sigprocmask(SIG_SETMASK, [], [pid 5915] <... prctl resumed>) = 0 [pid 5914] write(1, "executing program\n", 18 [pid 5913] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 5912] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5911] rt_sigprocmask(SIG_SETMASK, [], [pid 5916] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5915] setpgid(0, 0 [pid 5914] <... write resumed>) = 18 [pid 5913] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5912] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5916] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5915] <... setpgid resumed>) = 0 [pid 5914] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5913] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5912] <... mmap resumed>) = 0x7f0b13caf000 [pid 5915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5914] <... futex resumed>) = 0 [pid 5913] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5912] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 5911] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5914] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 5913] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5911] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] <... futex resumed>) = 0 [pid 5911] <... futex resumed>) = 1 [pid 5916] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 5915] <... openat resumed>) = 3 [pid 5912] <... mprotect resumed>) = 0 [pid 5911] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5914] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5913] <... mmap resumed>) = 0x7f0b13caf000 [pid 5915] write(3, "1000", 4 executing program [pid 5914] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5913] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 5912] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5915] <... write resumed>) = 4 [pid 5914] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5913] <... mprotect resumed>) = 0 [pid 5912] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5915] close(3 [pid 5914] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5913] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5915] <... close resumed>) = 0 [pid 5915] write(1, "executing program\n", 18 [pid 5914] <... mmap resumed>) = 0x7f0b13caf000 [pid 5912] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 5915] <... write resumed>) = 18 [pid 5914] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 5913] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5915] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5917 attached ) = 0 [pid 5914] <... mprotect resumed>) = 0 [pid 5913] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 5912] <... clone3 resumed> => {parent_tid=[5917]}, 88) = 5917 ./strace-static-x86_64: Process 5918 attached [pid 5917] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 5915] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 5912] rt_sigprocmask(SIG_SETMASK, [], [pid 5917] <... rseq resumed>) = 0 [pid 5915] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5914] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5913] <... clone3 resumed> => {parent_tid=[5918]}, 88) = 5918 [pid 5912] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5917] set_robust_list(0x7f0b13ccf9a0, 24 [pid 5915] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5914] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5913] rt_sigprocmask(SIG_SETMASK, [], [pid 5912] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5917] <... set_robust_list resumed>) = 0 [pid 5915] <... rt_sigprocmask resumed>NULL, 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=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 5913] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5912] <... futex resumed>) = 0 [pid 5917] rt_sigprocmask(SIG_SETMASK, [], [pid 5915] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5913] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5919 attached [pid 5918] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 5917] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5915] <... mmap resumed>) = 0x7f0b13caf000 [pid 5913] <... futex resumed>) = 0 [pid 5912] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5919] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 5917] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 5915] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 5914] <... clone3 resumed> => {parent_tid=[5919]}, 88) = 5919 [pid 5913] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5919] <... rseq resumed>) = 0 [pid 5914] rt_sigprocmask(SIG_SETMASK, [], [pid 5918] <... rseq resumed>) = 0 [pid 5918] set_robust_list(0x7f0b13ccf9a0, 24) = 0 [pid 5918] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5918] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 5919] set_robust_list(0x7f0b13ccf9a0, 24 [pid 5915] <... mprotect resumed>) = 0 [pid 5914] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5919] <... set_robust_list resumed>) = 0 [pid 5919] rt_sigprocmask(SIG_SETMASK, [], [pid 5915] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5914] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5919] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5915] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5914] <... futex resumed>) = 0 [pid 5919] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 5915] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 5914] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5920 attached [pid 5915] <... clone3 resumed> => {parent_tid=[5920]}, 88) = 5920 [pid 5920] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 5915] rt_sigprocmask(SIG_SETMASK, [], [pid 5920] <... rseq resumed>) = 0 [pid 5915] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5920] set_robust_list(0x7f0b13ccf9a0, 24 [pid 5915] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5920] <... set_robust_list resumed>) = 0 [pid 5915] <... futex resumed>) = 0 [pid 5920] rt_sigprocmask(SIG_SETMASK, [], [pid 5915] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5920] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5920] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 5911] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5912] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5913] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5915] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5914] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5916] <... unshare resumed>) = 0 [pid 5916] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5916] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5911] exit_group(0 [pid 5916] <... futex resumed>) = ? [pid 5916] +++ exited with 0 +++ [pid 5911] <... exit_group resumed>) = ? [pid 5911] +++ exited with 0 +++ [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5911, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5922 attached , child_tidptr=0x555584010690) = 5922 [pid 5922] set_robust_list(0x5555840106a0, 24) = 0 [pid 5917] <... unshare resumed>) = 0 [pid 5917] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5922] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5917] <... futex resumed>) = 0 [pid 5922] <... prctl resumed>) = 0 [pid 5912] exit_group(0) = ? [pid 5922] setpgid(0, 0 [pid 5917] +++ exited with 0 +++ [pid 5922] <... setpgid resumed>) = 0 [pid 5912] +++ exited with 0 +++ [pid 5922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5912, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5922] write(3, "1000", 4) = 4 [pid 5922] close(3executing program ) = 0 [pid 5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5922] write(1, "executing program\n", 18) = 18 ./strace-static-x86_64: Process 5924 attached [pid 5922] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5924] set_robust_list(0x5555840106a0, 24 [pid 5922] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, NULL, 8) = 0 [pid 5924] <... set_robust_list resumed>) = 0 [pid 5922] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5853] <... clone resumed>, child_tidptr=0x555584010690) = 5924 [pid 5924] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5922] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5922] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5918] <... unshare resumed>) = 0 [pid 5924] <... prctl resumed>) = 0 [pid 5922] <... mmap resumed>) = 0x7f0b13caf000 [pid 5922] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 5924] setpgid(0, 0 [pid 5922] <... mprotect resumed>) = 0 [pid 5918] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] <... setpgid resumed>) = 0 [pid 5922] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5913] exit_group(0 [pid 5924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5922] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5918] <... futex resumed>) = ? [pid 5913] <... exit_group resumed>) = ? [pid 5924] <... openat resumed>) = 3 [pid 5922] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 5918] +++ exited with 0 +++ ./strace-static-x86_64: Process 5926 attached [pid 5922] <... clone3 resumed> => {parent_tid=[5926]}, 88) = 5926 [pid 5926] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 5924] write(3, "1000", 4 [pid 5922] rt_sigprocmask(SIG_SETMASK, [], [pid 5924] <... write resumed>) = 4 [pid 5922] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5913] +++ exited with 0 +++ [pid 5926] <... rseq resumed>) = 0 [pid 5922] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5913, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5926] set_robust_list(0x7f0b13ccf9a0, 24 [pid 5924] close(3 [pid 5922] <... futex resumed>) = 0 executing program [pid 5920] <... unshare resumed>) = 0 [pid 5858] restart_syscall(<... resuming interrupted clone ...> [pid 5926] <... set_robust_list resumed>) = 0 [pid 5924] <... close resumed>) = 0 [pid 5858] <... restart_syscall resumed>) = 0 [pid 5926] rt_sigprocmask(SIG_SETMASK, [], [pid 5924] write(1, "executing program\n", 18 [pid 5920] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5926] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5924] <... write resumed>) = 18 [pid 5920] <... futex resumed>) = 0 [pid 5926] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 5924] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5922] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5920] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5915] exit_group(0 [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5929 attached [pid 5924] <... futex resumed>) = 0 [pid 5920] <... futex resumed>) = ? [pid 5919] <... unshare resumed>) = 0 [pid 5915] <... exit_group resumed>) = ? [pid 5924] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 5858] <... clone resumed>, child_tidptr=0x555584010690) = 5929 [pid 5924] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5920] +++ exited with 0 +++ [pid 5929] set_robust_list(0x5555840106a0, 24 [pid 5924] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5919] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5915] +++ exited with 0 +++ [pid 5929] <... set_robust_list resumed>) = 0 [pid 5924] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5919] <... futex resumed>) = 0 [pid 5914] exit_group(0 [pid 5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5915, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5914] <... exit_group resumed>) = ? [pid 5924] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5929] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5924] <... mmap resumed>) = 0x7f0b13caf000 [pid 5919] +++ exited with 0 +++ [pid 5929] <... prctl resumed>) = 0 [pid 5924] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 5914] +++ exited with 0 +++ [pid 5929] setpgid(0, 0 [pid 5924] <... mprotect resumed>) = 0 [pid 5929] <... setpgid resumed>) = 0 [pid 5860] --- 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 5924] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5860] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5930 attached [pid 5924] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5860] <... clone resumed>, child_tidptr=0x555584010690) = 5930 [pid 5930] set_robust_list(0x5555840106a0, 24 [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=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0}./strace-static-x86_64: Process 5931 attached [pid 5930] <... set_robust_list resumed>) = 0 [pid 5924] <... clone3 resumed> => {parent_tid=[5931]}, 88) = 5931 [pid 5924] rt_sigprocmask(SIG_SETMASK, [], [pid 5931] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 5929] <... openat resumed>) = 3 [pid 5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5930] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5932 attached [pid 5931] <... rseq resumed>) = 0 [pid 5929] write(3, "1000", 4 [pid 5924] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5931] set_robust_list(0x7f0b13ccf9a0, 24) = 0 [pid 5929] <... write resumed>) = 4 [pid 5924] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] rt_sigprocmask(SIG_SETMASK, [], [pid 5929] close(3 [pid 5924] <... futex resumed>) = 0 [pid 5931] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5929] <... close resumed>) = 0 [pid 5931] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 5924] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 5930] <... prctl resumed>) = 0 [pid 5929] write(1, "executing program\n", 18 [pid 5854] <... clone resumed>, child_tidptr=0x555584010690) = 5932 [pid 5932] set_robust_list(0x5555840106a0, 24 [pid 5929] <... write resumed>) = 18 [pid 5932] <... set_robust_list resumed>) = 0 [pid 5929] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5932] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5929] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 5932] <... prctl resumed>) = 0 [pid 5929] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5932] setpgid(0, 0) = 0 [pid 5929] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5932] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5929] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5932] <... openat resumed>) = 3 [pid 5929] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5932] write(3, "1000", 4) = 4 [pid 5932] close(3) = 0 executing program [pid 5929] <... mmap resumed>) = 0x7f0b13caf000 [pid 5932] write(1, "executing program\n", 18 [pid 5929] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 5932] <... write resumed>) = 18 [pid 5930] setpgid(0, 0 [pid 5929] <... mprotect resumed>) = 0 [pid 5932] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5922] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5929] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5932] <... futex resumed>) = 0 [pid 5930] <... setpgid resumed>) = 0 [pid 5932] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 5930] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5932] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5932] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5932] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5930] <... openat resumed>) = 3 [pid 5929] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0}./strace-static-x86_64: Process 5933 attached [pid 5932] <... mmap resumed>) = 0x7f0b13caf000 [pid 5930] write(3, "1000", 4 [pid 5933] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 5932] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 5930] <... write resumed>) = 4 [pid 5929] <... clone3 resumed> => {parent_tid=[5933]}, 88) = 5933 [pid 5933] <... rseq resumed>) = 0 [pid 5932] <... mprotect resumed>) = 0 [pid 5930] close(3 [pid 5929] rt_sigprocmask(SIG_SETMASK, [], executing program [pid 5933] set_robust_list(0x7f0b13ccf9a0, 24 [pid 5932] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5930] <... close resumed>) = 0 [pid 5929] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5933] <... set_robust_list resumed>) = 0 [pid 5932] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5930] write(1, "executing program\n", 18 [pid 5929] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5933] rt_sigprocmask(SIG_SETMASK, [], [pid 5932] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 5930] <... write resumed>) = 18 [pid 5929] <... futex resumed>) = 0 [pid 5930] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5929] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5934 attached [pid 5933] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5932] <... clone3 resumed> => {parent_tid=[5934]}, 88) = 5934 [pid 5930] <... futex resumed>) = 0 [pid 5924] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5933] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 5932] rt_sigprocmask(SIG_SETMASK, [], [pid 5930] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 5932] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5930] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5932] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5932] <... futex resumed>) = 0 [pid 5934] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 5932] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5930] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5930] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5934] <... rseq resumed>) = 0 [pid 5930] <... mmap resumed>) = 0x7f0b13caf000 [pid 5934] set_robust_list(0x7f0b13ccf9a0, 24) = 0 [pid 5934] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5934] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 5930] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5930] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5930] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0}./strace-static-x86_64: Process 5935 attached => {parent_tid=[5935]}, 88) = 5935 [pid 5930] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5930] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5935] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 5930] <... futex resumed>) = 0 [pid 5935] <... rseq resumed>) = 0 [pid 5935] set_robust_list(0x7f0b13ccf9a0, 24 [pid 5930] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5935] <... set_robust_list resumed>) = 0 [pid 5935] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5935] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 5929] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5932] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5926] <... unshare resumed>) = 0 [pid 5926] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5931] <... unshare resumed>) = 0 [pid 5931] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5922] exit_group(0 [pid 5931] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5922] <... exit_group resumed>) = ? [pid 5930] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5924] exit_group(0) = ? [pid 5931] <... futex resumed>) = ? [pid 5931] +++ exited with 0 +++ [pid 5926] +++ exited with 0 +++ [pid 5924] +++ exited with 0 +++ [pid 5922] +++ exited with 0 +++ [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5922, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5924, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5938 attached [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5939 attached [pid 5938] set_robust_list(0x5555840106a0, 24) = 0 [pid 5938] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5853] <... clone resumed>, child_tidptr=0x555584010690) = 5938 [pid 5938] <... prctl resumed>) = 0 [pid 5938] setpgid(0, 0 [pid 5856] <... clone resumed>, child_tidptr=0x555584010690) = 5939 [pid 5938] <... setpgid resumed>) = 0 [pid 5939] set_robust_list(0x5555840106a0, 24 [pid 5938] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5939] <... set_robust_list resumed>) = 0 [pid 5938] <... openat resumed>) = 3 [pid 5939] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5938] write(3, "1000", 4) = 4 [pid 5938] close(3 [pid 5939] setpgid(0, 0 [pid 5938] <... close resumed>) = 0 executing program [pid 5939] <... setpgid resumed>) = 0 [pid 5938] write(1, "executing program\n", 18) = 18 [pid 5939] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5938] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5939] <... openat resumed>) = 3 [pid 5938] <... futex resumed>) = 0 [pid 5938] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, NULL, 8) = 0 [pid 5938] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5938] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0b13caf000 [pid 5938] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 5939] write(3, "1000", 4) = 4 [pid 5938] <... mprotect resumed>) = 0 [pid 5939] close(3 [pid 5938] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5939] <... close resumed>) = 0 executing program [pid 5939] write(1, "executing program\n", 18 [pid 5938] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5939] <... write resumed>) = 18 [pid 5938] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 5939] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5940 attached ) = 0 [pid 5938] <... clone3 resumed> => {parent_tid=[5940]}, 88) = 5940 [pid 5939] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, NULL, 8) = 0 [pid 5938] rt_sigprocmask(SIG_SETMASK, [], [pid 5939] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5938] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5940] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053) = 0 [pid 5940] set_robust_list(0x7f0b13ccf9a0, 24) = 0 [pid 5940] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5940] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5939] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5938] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5940] <... futex resumed>) = 0 [pid 5938] <... futex resumed>) = 1 [pid 5940] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 5939] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5938] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5939] <... mmap resumed>) = 0x7f0b13caf000 [pid 5939] mprotect(0x7f0b13cb0000, 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=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0}./strace-static-x86_64: Process 5941 attached => {parent_tid=[5941]}, 88) = 5941 [pid 5941] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053) = 0 [pid 5941] set_robust_list(0x7f0b13ccf9a0, 24) = 0 [pid 5941] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5941] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5939] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5938] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5939] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5941] <... futex resumed>) = 0 [pid 5939] <... futex resumed>) = 1 [pid 5941] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 5939] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5934] <... unshare resumed>) = 0 [pid 5934] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5934] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5932] exit_group(0 [pid 5934] <... futex resumed>) = ? [pid 5932] <... exit_group resumed>) = ? [pid 5934] +++ exited with 0 +++ [pid 5932] +++ exited with 0 +++ [pid 5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5932, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5854] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5943 attached [pid 5943] set_robust_list(0x5555840106a0, 24 [pid 5854] <... clone resumed>, child_tidptr=0x555584010690) = 5943 [pid 5943] <... set_robust_list resumed>) = 0 [pid 5943] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5943] setpgid(0, 0) = 0 [pid 5943] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5933] <... unshare resumed>) = 0 [pid 5943] <... openat resumed>) = 3 [pid 5943] write(3, "1000", 4 [pid 5933] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5943] <... write resumed>) = 4 [pid 5943] close(3 [pid 5933] <... futex resumed>) = 0 [pid 5943] <... close resumed>) = 0 [pid 5933] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5943] write(1, "executing program\n", 18executing program [pid 5929] exit_group(0 [pid 5943] <... write resumed>) = 18 [pid 5933] <... futex resumed>) = ? [pid 5929] <... exit_group resumed>) = ? [pid 5943] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5933] +++ exited with 0 +++ [pid 5943] <... futex resumed>) = 0 [pid 5943] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 5929] +++ exited with 0 +++ [pid 5943] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5943] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5943] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5929, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5943] <... mmap resumed>) = 0x7f0b13caf000 [pid 5858] restart_syscall(<... resuming interrupted clone ...> [pid 5943] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5858] <... restart_syscall resumed>) = 0 [pid 5943] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [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=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} => {parent_tid=[5946]}, 88) = 5946 [pid 5943] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5946 attached ./strace-static-x86_64: Process 5945 attached NULL, 8) = 0 [pid 5943] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5858] <... clone resumed>, child_tidptr=0x555584010690) = 5945 [pid 5943] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5946] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 5945] set_robust_list(0x5555840106a0, 24 [pid 5946] <... rseq resumed>) = 0 [pid 5945] <... set_robust_list resumed>) = 0 [pid 5945] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5946] set_robust_list(0x7f0b13ccf9a0, 24) = 0 [pid 5946] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5945] <... prctl resumed>) = 0 [pid 5946] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 5945] setpgid(0, 0) = 0 [pid 5945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5945] write(3, "1000", 4) = 4 [pid 5945] close(3) = 0 [pid 5945] write(1, "executing program\n", 18executing program ) = 18 [pid 5945] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5945] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, NULL, 8) = 0 [pid 5943] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5945] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5945] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0b13caf000 [pid 5945] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5945] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5945] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0}./strace-static-x86_64: Process 5947 attached => {parent_tid=[5947]}, 88) = 5947 [pid 5945] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5947] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053) = 0 [pid 5945] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5945] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5947] set_robust_list(0x7f0b13ccf9a0, 24) = 0 [pid 5947] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5941] <... unshare resumed>) = 0 [pid 5935] <... unshare resumed>) = 0 [pid 5930] exit_group(0 [pid 5947] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 5941] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5939] exit_group(0 [pid 5935] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5941] <... futex resumed>) = ? [pid 5939] <... exit_group resumed>) = ? [pid 5935] <... futex resumed>) = 0 [pid 5930] <... exit_group resumed>) = ? [pid 5941] +++ exited with 0 +++ [pid 5939] +++ exited with 0 +++ [pid 5935] +++ exited with 0 +++ [pid 5930] +++ exited with 0 +++ [pid 5940] <... unshare resumed>) = 0 [pid 5860] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5930, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5939, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5940] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5940] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5938] exit_group(0 [pid 5940] <... futex resumed>) = ? [pid 5938] <... exit_group resumed>) = ? [pid 5860] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5940] +++ exited with 0 +++ [pid 5938] +++ exited with 0 +++ ./strace-static-x86_64: Process 5951 attached [pid 5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5938, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- ./strace-static-x86_64: Process 5952 attached [pid 5951] set_robust_list(0x5555840106a0, 24 [pid 5853] restart_syscall(<... resuming interrupted clone ...> [pid 5951] <... set_robust_list resumed>) = 0 [pid 5952] set_robust_list(0x5555840106a0, 24) = 0 [pid 5951] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5860] <... clone resumed>, child_tidptr=0x555584010690) = 5951 [pid 5856] <... clone resumed>, child_tidptr=0x555584010690) = 5952 [pid 5952] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5951] <... prctl resumed>) = 0 [pid 5952] <... prctl resumed>) = 0 [pid 5951] setpgid(0, 0 [pid 5952] setpgid(0, 0 [pid 5951] <... setpgid resumed>) = 0 [pid 5952] <... setpgid resumed>) = 0 [pid 5951] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5952] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5853] <... restart_syscall resumed>) = 0 [pid 5951] <... openat resumed>) = 3 [pid 5952] <... openat resumed>) = 3 [pid 5951] write(3, "1000", 4 [pid 5952] write(3, "1000", 4 [pid 5951] <... write resumed>) = 4 [pid 5952] <... write resumed>) = 4 [pid 5951] close(3 [pid 5952] close(3 [pid 5951] <... close resumed>) = 0 [pid 5945] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5952] <... close resumed>) = 0 [pid 5951] write(1, "executing program\n", 18 [pid 5945] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5952] write(1, "executing program\n", 18executing program [pid 5945] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) executing program ./strace-static-x86_64: Process 5953 attached [pid 5952] <... write resumed>) = 18 [pid 5951] <... write resumed>) = 18 [pid 5953] set_robust_list(0x5555840106a0, 24 [pid 5952] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5951] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] <... set_robust_list resumed>) = 0 [pid 5953] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5952] <... futex resumed>) = 0 [pid 5952] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 5951] <... futex resumed>) = 0 [pid 5953] <... prctl resumed>) = 0 [pid 5952] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5953] setpgid(0, 0 [pid 5952] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5853] <... clone resumed>, child_tidptr=0x555584010690) = 5953 [pid 5953] <... setpgid resumed>) = 0 [pid 5952] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5951] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 5952] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5951] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5952] <... mmap resumed>) = 0x7f0b13caf000 [pid 5951] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5952] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 5951] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5952] <... mprotect resumed>) = 0 [pid 5951] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5953] <... openat resumed>) = 3 [pid 5952] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5951] <... mmap resumed>) = 0x7f0b13caf000 executing program [pid 5953] write(3, "1000", 4) = 4 [pid 5953] close(3) = 0 [pid 5953] write(1, "executing program\n", 18) = 18 [pid 5953] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5951] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 5953] <... futex resumed>) = 0 [pid 5953] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 5952] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5952] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 5953] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5951] <... mprotect resumed>) = 0 [pid 5953] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 5954 attached NULL, 8) = 0 [pid 5952] <... clone3 resumed> => {parent_tid=[5954]}, 88) = 5954 [pid 5951] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5953] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0b13caf000 [pid 5952] rt_sigprocmask(SIG_SETMASK, [], [pid 5951] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5953] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 5952] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5951] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0}./strace-static-x86_64: Process 5955 attached [pid 5954] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 5953] <... mprotect resumed>) = 0 [pid 5952] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053) = 0 [pid 5955] set_robust_list(0x7f0b13ccf9a0, 24) = 0 [pid 5955] rt_sigprocmask(SIG_SETMASK, [], [pid 5953] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5955] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5953] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5955] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [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=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0}./strace-static-x86_64: Process 5956 attached [pid 5954] <... rseq resumed>) = 0 [pid 5952] <... futex resumed>) = 0 [pid 5951] <... clone3 resumed> => {parent_tid=[5955]}, 88) = 5955 [pid 5956] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 5953] <... clone3 resumed> => {parent_tid=[5956]}, 88) = 5956 [pid 5952] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5951] rt_sigprocmask(SIG_SETMASK, [], [pid 5956] <... rseq resumed>) = 0 [pid 5953] rt_sigprocmask(SIG_SETMASK, [], [pid 5951] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5956] set_robust_list(0x7f0b13ccf9a0, 24 [pid 5953] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5951] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] <... set_robust_list resumed>) = 0 [pid 5954] set_robust_list(0x7f0b13ccf9a0, 24 [pid 5953] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5951] <... futex resumed>) = 1 [pid 5956] rt_sigprocmask(SIG_SETMASK, [], [pid 5954] <... set_robust_list resumed>) = 0 [pid 5953] <... futex resumed>) = 0 [pid 5951] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5956] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5954] rt_sigprocmask(SIG_SETMASK, [], [pid 5953] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5956] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 5954] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5954] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 5955] <... futex resumed>) = 0 [pid 5955] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 5952] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5951] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5946] <... unshare resumed>) = 0 [pid 5953] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5946] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5943] exit_group(0 [pid 5946] <... futex resumed>) = ? [pid 5943] <... exit_group resumed>) = ? [pid 5946] +++ exited with 0 +++ [pid 5947] <... unshare resumed>) = 0 [pid 5943] +++ exited with 0 +++ [pid 5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5943, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5854] restart_syscall(<... resuming interrupted clone ...> [pid 5947] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5945] exit_group(0) = ? [pid 5947] +++ exited with 0 +++ [pid 5945] +++ exited with 0 +++ [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5945, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5858] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5854] <... restart_syscall resumed>) = 0 [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5858] <... clone resumed>, child_tidptr=0x555584010690) = 5959 ./strace-static-x86_64: Process 5959 attached ./strace-static-x86_64: Process 5960 attached [pid 5854] <... clone resumed>, child_tidptr=0x555584010690) = 5960 [pid 5960] set_robust_list(0x5555840106a0, 24 [pid 5959] set_robust_list(0x5555840106a0, 24 [pid 5960] <... set_robust_list resumed>) = 0 [pid 5959] <... set_robust_list resumed>) = 0 [pid 5960] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5959] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5960] <... prctl resumed>) = 0 [pid 5959] <... prctl resumed>) = 0 [pid 5959] setpgid(0, 0) = 0 [pid 5959] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5960] setpgid(0, 0) = 0 [pid 5960] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5959] <... openat resumed>) = 3 [pid 5959] write(3, "1000", 4 [pid 5960] <... openat resumed>) = 3 [pid 5959] <... write resumed>) = 4 executing program [pid 5959] close(3) = 0 [pid 5959] write(1, "executing program\n", 18) = 18 [pid 5960] write(3, "1000", 4 [pid 5959] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] <... write resumed>) = 4 [pid 5959] <... futex resumed>) = 0 executing program [pid 5960] close(3 [pid 5959] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 5960] <... close resumed>) = 0 [pid 5959] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5960] write(1, "executing program\n", 18 [pid 5959] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5960] <... write resumed>) = 18 [pid 5959] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5960] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5959] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0b13caf000 [pid 5960] <... futex resumed>) = 0 [pid 5959] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 5960] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 5959] <... mprotect resumed>) = 0 [pid 5960] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5959] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5960] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5960] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0b13caf000 [pid 5960] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5959] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5960] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5959] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0}./strace-static-x86_64: Process 5961 attached [pid 5960] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5961] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [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=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 5961] <... rseq resumed>) = 0 [pid 5959] <... clone3 resumed> => {parent_tid=[5961]}, 88) = 5961 [pid 5961] set_robust_list(0x7f0b13ccf9a0, 24 [pid 5959] rt_sigprocmask(SIG_SETMASK, [], [pid 5961] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5962 attached [pid 5962] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053) = 0 [pid 5961] rt_sigprocmask(SIG_SETMASK, [], [pid 5960] <... clone3 resumed> => {parent_tid=[5962]}, 88) = 5962 [pid 5959] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5962] set_robust_list(0x7f0b13ccf9a0, 24 [pid 5961] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5960] rt_sigprocmask(SIG_SETMASK, [], [pid 5962] <... set_robust_list resumed>) = 0 [pid 5961] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 5960] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5959] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] rt_sigprocmask(SIG_SETMASK, [], [pid 5960] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5959] <... futex resumed>) = 0 [pid 5962] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5959] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5962] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 5960] <... futex resumed>) = 0 [pid 5960] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5959] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5954] <... unshare resumed>) = 0 [pid 5954] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5952] exit_group(0 [pid 5954] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5952] <... exit_group resumed>) = ? [pid 5954] <... futex resumed>) = ? [pid 5960] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5954] +++ exited with 0 +++ [pid 5952] +++ exited with 0 +++ [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5952, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5856] restart_syscall(<... resuming interrupted clone ...> [pid 5956] <... unshare resumed>) = 0 [pid 5956] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5956] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5953] exit_group(0) = ? [pid 5956] <... futex resumed>) = ? [pid 5956] +++ exited with 0 +++ [pid 5953] +++ exited with 0 +++ [pid 5856] <... restart_syscall resumed>) = 0 [pid 5955] <... unshare resumed>) = 0 [pid 5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5953, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5955] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5955] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5853] restart_syscall(<... resuming interrupted clone ...>) = 0 ./strace-static-x86_64: Process 5966 attached [pid 5966] set_robust_list(0x5555840106a0, 24 [pid 5951] exit_group(0 [pid 5856] <... clone resumed>, child_tidptr=0x555584010690) = 5966 [pid 5955] <... futex resumed>) = ? [pid 5951] <... exit_group resumed>) = ? [pid 5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5967 attached [pid 5966] <... set_robust_list resumed>) = 0 [pid 5955] +++ exited with 0 +++ [pid 5951] +++ exited with 0 +++ [pid 5860] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5951, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5966] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5860] restart_syscall(<... resuming interrupted clone ...> [pid 5853] <... clone resumed>, child_tidptr=0x555584010690) = 5967 [pid 5966] <... prctl resumed>) = 0 [pid 5966] setpgid(0, 0) = 0 [pid 5966] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5967] set_robust_list(0x5555840106a0, 24) = 0 [pid 5967] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5860] <... restart_syscall resumed>) = 0 [pid 5966] <... openat resumed>) = 3 [pid 5860] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5967] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5969 attached [pid 5966] write(3, "1000", 4executing program [pid 5969] set_robust_list(0x5555840106a0, 24) = 0 [pid 5967] setpgid(0, 0 [pid 5966] <... write resumed>) = 4 [pid 5967] <... setpgid resumed>) = 0 [pid 5966] close(3 [pid 5967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5966] <... close resumed>) = 0 [pid 5966] write(1, "executing program\n", 18) = 18 [pid 5966] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5966] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 5969] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5967] <... openat resumed>) = 3 [pid 5966] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5860] <... clone resumed>, child_tidptr=0x555584010690) = 5969 [pid 5969] <... prctl resumed>) = 0 [pid 5967] write(3, "1000", 4 [pid 5966] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5969] setpgid(0, 0 [pid 5967] <... write resumed>) = 4 [pid 5966] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5962] <... unshare resumed>) = 0 [pid 5961] <... unshare resumed>) = 0 [pid 5969] <... setpgid resumed>) = 0 [pid 5967] close(3 [pid 5966] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0b13caf000 [pid 5966] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 5969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5967] <... close resumed>) = 0 [pid 5966] <... mprotect resumed>) = 0 executing program [pid 5969] <... openat resumed>) = 3 [pid 5967] write(1, "executing program\n", 18 [pid 5966] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5962] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5961] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5967] <... write resumed>) = 18 [pid 5966] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5967] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 5961] <... futex resumed>) = 0 [pid 5960] exit_group(0 [pid 5959] exit_group(0./strace-static-x86_64: Process 5971 attached [pid 5969] write(3, "1000", 4 [pid 5967] <... futex resumed>) = 0 [pid 5962] <... futex resumed>) = ? [pid 5960] <... exit_group resumed>) = ? [pid 5959] <... exit_group resumed>) = ? [pid 5969] <... write resumed>) = 4 [pid 5971] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 5969] close(3 [pid 5967] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 5971] <... rseq resumed>) = 0 [pid 5969] <... close resumed>) = 0 [pid 5967] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5966] <... clone3 resumed> => {parent_tid=[5971]}, 88) = 5971 [pid 5961] +++ exited with 0 +++ [pid 5959] +++ exited with 0 +++ [pid 5971] set_robust_list(0x7f0b13ccf9a0, 24 [pid 5967] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5966] rt_sigprocmask(SIG_SETMASK, [], [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5959, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5971] <... set_robust_list resumed>) = 0 [pid 5967] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5966] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5858] restart_syscall(<... resuming interrupted clone ...> [pid 5971] rt_sigprocmask(SIG_SETMASK, [], [pid 5969] write(1, "executing program\n", 18 [pid 5967] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0executing program [pid 5966] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5971] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5969] <... write resumed>) = 18 [pid 5967] <... mmap resumed>) = 0x7f0b13caf000 [pid 5962] +++ exited with 0 +++ [pid 5960] +++ exited with 0 +++ [pid 5971] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 5969] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5967] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 5966] <... futex resumed>) = 0 [pid 5969] <... futex resumed>) = 0 [pid 5858] <... restart_syscall resumed>) = 0 [pid 5854] --- 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 5969] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 5854] restart_syscall(<... resuming interrupted clone ...> [pid 5969] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5966] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5969] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5969] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5969] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5967] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5972 attached [pid 5969] <... mmap resumed>) = 0x7f0b13caf000 [pid 5967] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5858] <... clone resumed>, child_tidptr=0x555584010690) = 5972 [pid 5854] <... restart_syscall resumed>) = 0 [pid 5969] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5967] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5972] set_robust_list(0x5555840106a0, 24 [pid 5967] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0}./strace-static-x86_64: Process 5974 attached ./strace-static-x86_64: Process 5973 attached [pid 5969] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5972] <... set_robust_list 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=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 5967] <... clone3 resumed> => {parent_tid=[5973]}, 88) = 5973 [pid 5854] <... clone resumed>, child_tidptr=0x555584010690) = 5974 ./strace-static-x86_64: Process 5975 attached [pid 5974] set_robust_list(0x5555840106a0, 24 [pid 5973] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 5972] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5967] rt_sigprocmask(SIG_SETMASK, [], [pid 5974] <... set_robust_list resumed>) = 0 [pid 5975] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 5973] <... rseq resumed>) = 0 [pid 5969] <... clone3 resumed> => {parent_tid=[5975]}, 88) = 5975 [pid 5967] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5975] <... rseq resumed>) = 0 [pid 5974] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5973] set_robust_list(0x7f0b13ccf9a0, 24 [pid 5972] <... prctl resumed>) = 0 [pid 5969] rt_sigprocmask(SIG_SETMASK, [], [pid 5967] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5975] set_robust_list(0x7f0b13ccf9a0, 24 [pid 5969] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5975] <... set_robust_list resumed>) = 0 [pid 5969] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5975] rt_sigprocmask(SIG_SETMASK, [], [pid 5969] <... futex resumed>) = 0 [pid 5975] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5969] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5975] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 5972] setpgid(0, 0 [pid 5967] <... futex resumed>) = 0 [pid 5967] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5972] <... setpgid resumed>) = 0 [pid 5974] <... prctl resumed>) = 0 [pid 5973] <... set_robust_list resumed>) = 0 [pid 5972] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5974] setpgid(0, 0 [pid 5973] rt_sigprocmask(SIG_SETMASK, [], [pid 5974] <... setpgid resumed>) = 0 [pid 5973] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5972] <... openat resumed>) = 3 [pid 5973] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 5974] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5972] write(3, "1000", 4) = 4 [pid 5972] close(3executing program executing program [pid 5974] <... openat resumed>) = 3 [pid 5972] <... close resumed>) = 0 [pid 5974] write(3, "1000", 4 [pid 5972] write(1, "executing program\n", 18 [pid 5974] <... write resumed>) = 4 [pid 5972] <... write resumed>) = 18 [pid 5974] close(3 [pid 5972] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] <... close resumed>) = 0 [pid 5972] <... futex resumed>) = 0 [pid 5974] write(1, "executing program\n", 18 [pid 5972] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 5974] <... write resumed>) = 18 [pid 5972] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5974] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5972] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5974] <... futex resumed>) = 0 [pid 5972] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5974] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 5972] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5974] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5972] <... mmap resumed>) = 0x7f0b13caf000 [pid 5974] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5972] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 5966] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5974] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5972] <... mprotect resumed>) = 0 [pid 5974] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5972] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5974] <... mmap resumed>) = 0x7f0b13caf000 [pid 5972] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5974] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 5972] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0}./strace-static-x86_64: Process 5976 attached [pid 5974] <... mprotect resumed>) = 0 [pid 5976] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 5974] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5972] <... clone3 resumed> => {parent_tid=[5976]}, 88) = 5976 [pid 5976] <... rseq resumed>) = 0 [pid 5974] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5972] rt_sigprocmask(SIG_SETMASK, [], [pid 5976] set_robust_list(0x7f0b13ccf9a0, 24 [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=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 5972] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5977 attached [pid 5976] <... set_robust_list resumed>) = 0 [pid 5972] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5977] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 5976] rt_sigprocmask(SIG_SETMASK, [], [pid 5974] <... clone3 resumed> => {parent_tid=[5977]}, 88) = 5977 [pid 5972] <... futex resumed>) = 0 [pid 5977] <... rseq resumed>) = 0 [pid 5976] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5974] rt_sigprocmask(SIG_SETMASK, [], [pid 5972] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5974] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5974] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5974] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5977] set_robust_list(0x7f0b13ccf9a0, 24 [pid 5976] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 5977] <... set_robust_list resumed>) = 0 [pid 5977] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5977] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 5967] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5969] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5974] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5972] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5971] <... unshare resumed>) = 0 [pid 5971] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5971] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5966] exit_group(0) = ? [pid 5971] <... futex resumed>) = ? [pid 5971] +++ exited with 0 +++ [pid 5966] +++ exited with 0 +++ [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5966, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555584010690) = 5979 ./strace-static-x86_64: Process 5979 attached [pid 5979] set_robust_list(0x5555840106a0, 24) = 0 [pid 5979] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5979] setpgid(0, 0) = 0 [pid 5979] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5975] <... unshare resumed>) = 0 [pid 5979] write(3, "1000", 4) = 4 [pid 5975] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] close(3 [pid 5976] <... unshare resumed>) = 0 [pid 5973] <... unshare resumed>) = 0 [pid 5973] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5973] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5967] exit_group(0) = ? [pid 5973] <... futex resumed>) = ? [pid 5969] exit_group(0 [pid 5973] +++ exited with 0 +++ [pid 5967] +++ exited with 0 +++ [pid 5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5967, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5979] <... close resumed>) = 0 [pid 5976] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5969] <... exit_group resumed>) = ? [pid 5853] restart_syscall(<... resuming interrupted clone ...> [pid 5972] exit_group(0 [pid 5976] <... futex resumed>) = 0 [pid 5976] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5979] write(1, "executing program\n", 18 [pid 5975] <... futex resumed>) = ? [pid 5972] <... exit_group resumed>) = ? [pid 5976] +++ exited with 0 +++ executing program [pid 5972] +++ exited with 0 +++ [pid 5979] <... write resumed>) = 18 [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5972, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5858] restart_syscall(<... resuming interrupted clone ...> [pid 5853] <... restart_syscall resumed>) = 0 [pid 5858] <... restart_syscall resumed>) = 0 [pid 5979] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5975] +++ exited with 0 +++ [pid 5969] +++ exited with 0 +++ [pid 5979] <... futex resumed>) = 0 [pid 5860] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5969, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5979] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 5977] <... unshare resumed>) = 0 [pid 5860] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5984 attached ./strace-static-x86_64: Process 5985 attached [pid 5984] set_robust_list(0x5555840106a0, 24 [pid 5979] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5860] <... restart_syscall resumed>) = 0 [pid 5979] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5985] set_robust_list(0x5555840106a0, 24 [pid 5984] <... set_robust_list resumed>) = 0 [pid 5858] <... clone resumed>, child_tidptr=0x555584010690) = 5984 [pid 5853] <... clone resumed>, child_tidptr=0x555584010690) = 5985 [pid 5979] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5977] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5977] <... futex resumed>) = 0 [pid 5974] exit_group(0 [pid 5979] <... mmap resumed>) = 0x7f0b13caf000 [pid 5974] <... exit_group resumed>) = ? [pid 5979] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 5860] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5977] +++ exited with 0 +++ [pid 5985] <... set_robust_list resumed>) = 0 [pid 5984] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5985] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5984] <... prctl resumed>) = 0 [pid 5985] setpgid(0, 0 [pid 5979] <... mprotect resumed>) = 0 [pid 5974] +++ exited with 0 +++ [pid 5985] <... setpgid resumed>) = 0 [pid 5984] setpgid(0, 0./strace-static-x86_64: Process 5986 attached [pid 5985] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5979] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5986] set_robust_list(0x5555840106a0, 24 [pid 5985] <... openat resumed>) = 3 [pid 5984] <... setpgid resumed>) = 0 [pid 5979] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5854] --- 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 */} --- executing program [pid 5986] <... set_robust_list resumed>) = 0 [pid 5984] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [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=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 5860] <... clone resumed>, child_tidptr=0x555584010690) = 5986 [pid 5854] restart_syscall(<... resuming interrupted clone ...> [pid 5985] write(3, "1000", 4 [pid 5854] <... restart_syscall resumed>) = 0 [pid 5979] <... clone3 resumed> => {parent_tid=[5987]}, 88) = 5987 [pid 5979] rt_sigprocmask(SIG_SETMASK, [], [pid 5985] <... write resumed>) = 4 [pid 5979] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5979] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5987 attached [pid 5985] close(3) = 0 [pid 5985] write(1, "executing program\n", 18) = 18 [pid 5985] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5988 attached [pid 5986] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5985] <... futex resumed>) = 0 [pid 5979] <... futex resumed>) = 0 [pid 5985] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, NULL, 8) = 0 [pid 5987] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 5985] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5984] <... openat resumed>) = 3 [pid 5987] <... rseq resumed>) = 0 [pid 5986] <... prctl resumed>) = 0 [pid 5985] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5988] set_robust_list(0x5555840106a0, 24 [pid 5987] set_robust_list(0x7f0b13ccf9a0, 24 [pid 5986] setpgid(0, 0 [pid 5985] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5988] <... set_robust_list resumed>) = 0 [pid 5987] <... set_robust_list resumed>) = 0 [pid 5986] <... setpgid resumed>) = 0 [pid 5985] <... mmap resumed>) = 0x7f0b13caf000 [pid 5984] write(3, "1000", 4 [pid 5988] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5987] rt_sigprocmask(SIG_SETMASK, [], [pid 5986] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5985] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 5984] <... write resumed>) = 4 [pid 5988] <... prctl resumed>) = 0 [pid 5987] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5979] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5854] <... clone resumed>, child_tidptr=0x555584010690) = 5988 [pid 5987] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 5984] close(3) = 0 [pid 5988] setpgid(0, 0 [pid 5985] <... mprotect resumed>) = 0 executing program [pid 5984] write(1, "executing program\n", 18 [pid 5988] <... setpgid resumed>) = 0 [pid 5986] <... openat resumed>) = 3 [pid 5985] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5984] <... write resumed>) = 18 [pid 5986] write(3, "1000", 4 [pid 5984] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5988] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5986] <... write resumed>) = 4 [pid 5985] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5984] <... futex resumed>) = 0 [pid 5986] close(3 [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=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 5984] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 5986] <... close resumed>) = 0 [pid 5984] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5989 attached [pid 5986] write(1, "executing program\n", 18 [pid 5985] <... clone3 resumed> => {parent_tid=[5989]}, 88) = 5989 executing program [pid 5984] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5986] <... write resumed>) = 18 [pid 5985] rt_sigprocmask(SIG_SETMASK, [], [pid 5984] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5988] <... openat resumed>) = 3 [pid 5986] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5985] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5984] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5989] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 5988] write(3, "1000", 4 [pid 5989] <... rseq resumed>) = 0 [pid 5988] <... write resumed>) = 4 [pid 5986] <... futex resumed>) = 0 [pid 5985] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] <... mmap resumed>) = 0x7f0b13caf000 [pid 5986] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 5985] <... futex resumed>) = 0 [pid 5984] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 5989] set_robust_list(0x7f0b13ccf9a0, 24 [pid 5986] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5985] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5984] <... mprotect resumed>) = 0 [pid 5986] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5989] <... set_robust_list resumed>) = 0 [pid 5988] close(3 [pid 5986] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5984] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5988] <... close resumed>) = 0 [pid 5986] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5984] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5989] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5986] <... mmap resumed>) = 0x7f0b13caf000 [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=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0}./strace-static-x86_64: Process 5990 attached [pid 5986] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 5988] write(1, "executing program\n", 18executing program [pid 5986] <... mprotect resumed>) = 0 [pid 5984] <... clone3 resumed> => {parent_tid=[5990]}, 88) = 5990 [pid 5990] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 5988] <... write resumed>) = 18 [pid 5986] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5984] rt_sigprocmask(SIG_SETMASK, [], [pid 5990] <... rseq resumed>) = 0 [pid 5988] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5986] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5984] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5990] set_robust_list(0x7f0b13ccf9a0, 24 [pid 5989] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 5988] <... futex resumed>) = 0 [pid 5988] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 5990] <... set_robust_list resumed>) = 0 [pid 5988] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5984] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5990] rt_sigprocmask(SIG_SETMASK, [], [pid 5988] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5986] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 5984] <... futex resumed>) = 0 [pid 5990] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5990] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET./strace-static-x86_64: Process 5991 attached [pid 5988] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5986] <... clone3 resumed> => {parent_tid=[5991]}, 88) = 5991 [pid 5984] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5991] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053) = 0 [pid 5988] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5986] rt_sigprocmask(SIG_SETMASK, [], [pid 5979] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5991] set_robust_list(0x7f0b13ccf9a0, 24 [pid 5988] <... mmap resumed>) = 0x7f0b13caf000 [pid 5988] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5988] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5991] <... set_robust_list resumed>) = 0 [pid 5986] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5991] rt_sigprocmask(SIG_SETMASK, [], [pid 5986] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5991] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5991] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 5988] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5988] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} => {parent_tid=[5992]}, 88) = 5992 [pid 5988] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5988] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5988] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5992 attached [pid 5992] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053) = 0 [pid 5992] set_robust_list(0x7f0b13ccf9a0, 24) = 0 [pid 5992] rt_sigprocmask(SIG_SETMASK, [], [pid 5986] <... futex resumed>) = 0 [pid 5992] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5992] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 5986] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5985] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5984] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5988] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5986] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5989] <... unshare resumed>) = 0 [pid 5987] <... unshare resumed>) = 0 [pid 5987] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5987] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5989] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] exit_group(0 [pid 5987] <... futex resumed>) = ? [pid 5979] <... exit_group resumed>) = ? [pid 5985] exit_group(0 [pid 5989] <... futex resumed>) = 0 [pid 5989] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5987] +++ exited with 0 +++ [pid 5979] +++ exited with 0 +++ [pid 5989] <... futex resumed>) = ? [pid 5985] <... exit_group resumed>) = ? [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5979, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5856] restart_syscall(<... resuming interrupted clone ...> [pid 5989] +++ exited with 0 +++ [pid 5856] <... restart_syscall resumed>) = 0 [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5991] <... unshare resumed>) = 0 [pid 5985] +++ exited with 0 +++ ./strace-static-x86_64: Process 5996 attached [pid 5853] --- 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 5996] set_robust_list(0x5555840106a0, 24 [pid 5991] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5996] <... set_robust_list resumed>) = 0 [pid 5853] restart_syscall(<... resuming interrupted clone ...> [pid 5991] <... futex resumed>) = 0 [pid 5996] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5991] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5856] <... clone resumed>, child_tidptr=0x555584010690) = 5996 [pid 5986] exit_group(0 [pid 5991] <... futex resumed>) = ? [pid 5986] <... exit_group resumed>) = ? [pid 5996] <... prctl resumed>) = 0 [pid 5991] +++ exited with 0 +++ [pid 5996] setpgid(0, 0) = 0 [pid 5996] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5853] <... restart_syscall resumed>) = 0 [pid 5996] <... openat resumed>) = 3 [pid 5986] +++ exited with 0 +++ [pid 5860] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5986, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5860] restart_syscall(<... resuming interrupted clone ...> [pid 5996] write(3, "1000", 4 [pid 5860] <... restart_syscall resumed>) = 0 [pid 5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5996] <... write resumed>) = 4 [pid 5996] close(3) = 0 [pid 5860] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5999 attached ./strace-static-x86_64: Process 5998 attached [pid 5996] write(1, "executing program\n", 18executing program ) = 18 [pid 5992] <... unshare resumed>) = 0 [pid 5999] set_robust_list(0x5555840106a0, 24 [pid 5996] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] set_robust_list(0x5555840106a0, 24 [pid 5996] <... futex resumed>) = 0 [pid 5860] <... clone resumed>, child_tidptr=0x555584010690) = 5999 [pid 5999] <... set_robust_list resumed>) = 0 [pid 5853] <... clone resumed>, child_tidptr=0x555584010690) = 5998 [pid 5998] <... set_robust_list resumed>) = 0 [pid 5996] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 5992] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5988] exit_group(0) = ? [pid 5999] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5996] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5992] <... futex resumed>) = ? [pid 5999] <... prctl resumed>) = 0 [pid 5998] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5996] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5992] +++ exited with 0 +++ [pid 5988] +++ exited with 0 +++ [pid 5996] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5999] setpgid(0, 0 [pid 5998] <... prctl resumed>) = 0 [pid 5996] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5990] <... unshare resumed>) = 0 [pid 5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5988, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5998] setpgid(0, 0 [pid 5996] <... mmap resumed>) = 0x7f0b13caf000 [pid 5990] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] <... setpgid resumed>) = 0 [pid 5998] <... setpgid resumed>) = 0 [pid 5996] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 5854] restart_syscall(<... resuming interrupted clone ...> [pid 5990] <... futex resumed>) = 0 [pid 5984] exit_group(0) = ? [pid 5854] <... restart_syscall resumed>) = 0 [pid 5999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5998] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5996] <... mprotect resumed>) = 0 [pid 5990] +++ exited with 0 +++ [pid 5984] +++ exited with 0 +++ [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5984, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5996] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5999] <... openat resumed>) = 3 [pid 5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5998] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6001 attached [pid 5999] write(3, "1000", 4 [pid 5998] write(3, "1000", 4 [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=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 5998] <... write resumed>) = 4 ./strace-static-x86_64: Process 6002 attached [pid 6001] set_robust_list(0x5555840106a0, 24) = 0 [pid 5999] <... write resumed>) = 4 [pid 5998] close(3 [pid 6001] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5996] <... clone3 resumed> => {parent_tid=[6002]}, 88) = 6002 [pid 5854] <... clone resumed>, child_tidptr=0x555584010690) = 6001 [pid 5998] <... close resumed>) = 0 [pid 5999] close(3 [pid 5996] rt_sigprocmask(SIG_SETMASK, [], [pid 6002] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053executing program executing program [pid 5999] <... close resumed>) = 0 [pid 5998] write(1, "executing program\n", 18 [pid 5996] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5999] write(1, "executing program\n", 18 [pid 5998] <... write resumed>) = 18 [pid 5996] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] <... rseq resumed>) = 0 [pid 5999] <... write resumed>) = 18 [pid 5998] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] set_robust_list(0x7f0b13ccf9a0, 24 [pid 5996] <... futex resumed>) = 0 [pid 6002] <... set_robust_list resumed>) = 0 [pid 5999] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] rt_sigprocmask(SIG_SETMASK, [], [pid 5998] <... futex resumed>) = 0 [pid 5999] <... futex resumed>) = 0 [pid 5996] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6002] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5999] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 5998] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 6002] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 5999] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5998] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6001] <... prctl resumed>) = 0 [pid 6001] setpgid(0, 0) = 0 executing program [pid 6001] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5999] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5998] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6001] <... openat resumed>) = 3 [pid 6001] write(3, "1000", 4) = 4 [pid 6001] close(3) = 0 [pid 6001] write(1, "executing program\n", 18) = 18 [pid 6001] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6001] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, NULL, 8) = 0 [pid 6001] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6001] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0b13caf000 [pid 6001] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6001] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6003 attached [pid 6001] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5999] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5998] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6003] set_robust_list(0x5555840106a0, 24 [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=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0}./strace-static-x86_64: Process 6004 attached [pid 5998] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5999] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6001] <... clone3 resumed> => {parent_tid=[6004]}, 88) = 6004 [pid 5999] <... mmap resumed>) = 0x7f0b13caf000 [pid 6003] <... set_robust_list resumed>) = 0 [pid 6001] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6003] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6001] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5858] <... clone resumed>, child_tidptr=0x555584010690) = 6003 [pid 6003] <... prctl resumed>) = 0 [pid 6001] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6003] setpgid(0, 0) = 0 [pid 6003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6004] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 5999] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 5998] <... mmap resumed>) = 0x7f0b13caf000 executing program [pid 6004] <... rseq resumed>) = 0 [pid 6003] <... openat resumed>) = 3 [pid 5999] <... mprotect resumed>) = 0 [pid 5998] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 5999] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6004] set_robust_list(0x7f0b13ccf9a0, 24 [pid 6003] write(3, "1000", 4 [pid 5998] <... mprotect resumed>) = 0 [pid 6004] <... set_robust_list resumed>) = 0 [pid 6003] <... write resumed>) = 4 [pid 5999] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5998] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6004] rt_sigprocmask(SIG_SETMASK, [], [pid 6003] close(3 [pid 5998] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6004] <... rt_sigprocmask resumed>NULL, 8) = 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=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 5998] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 6004] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6003] <... close resumed>) = 0 [pid 6003] write(1, "executing program\n", 18) = 18 ./strace-static-x86_64: Process 6006 attached [pid 6003] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6006] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 6003] <... futex resumed>) = 0 [pid 6006] <... rseq resumed>) = 0 [pid 6003] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 6006] set_robust_list(0x7f0b13ccf9a0, 24 [pid 6003] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6006] <... set_robust_list resumed>) = 0 [pid 6003] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6006] rt_sigprocmask(SIG_SETMASK, [], [pid 6003] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6006] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6003] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6006] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6003] <... mmap resumed>) = 0x7f0b13caf000 [pid 6003] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 6005 attached [pid 5999] <... clone3 resumed> => {parent_tid=[6005]}, 88) = 6005 [pid 5998] <... clone3 resumed> => {parent_tid=[6006]}, 88) = 6006 [pid 6005] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 5999] rt_sigprocmask(SIG_SETMASK, [], [pid 5998] rt_sigprocmask(SIG_SETMASK, [], [pid 6005] <... rseq resumed>) = 0 [pid 5999] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5998] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6005] set_robust_list(0x7f0b13ccf9a0, 24 [pid 5999] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] <... set_robust_list resumed>) = 0 [pid 5999] <... futex resumed>) = 0 [pid 5998] <... futex resumed>) = 1 [pid 6005] rt_sigprocmask(SIG_SETMASK, [], [pid 5999] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6005] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5998] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6005] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6006] <... futex resumed>) = 0 [pid 6003] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6006] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6003] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5996] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6003] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0}./strace-static-x86_64: Process 6007 attached => {parent_tid=[6007]}, 88) = 6007 [pid 6003] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6007] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 6003] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6007] <... rseq resumed>) = 0 [pid 6003] <... futex resumed>) = 0 [pid 6007] set_robust_list(0x7f0b13ccf9a0, 24 [pid 6003] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6007] <... set_robust_list resumed>) = 0 [pid 6007] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6007] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6001] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5999] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5999] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5998] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5998] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5999] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5998] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6003] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6004] <... unshare resumed>) = 0 [pid 6004] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6004] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6001] exit_group(0 [pid 6004] <... futex resumed>) = ? [pid 6001] <... exit_group resumed>) = ? [pid 6004] +++ exited with 0 +++ [pid 6001] +++ exited with 0 +++ [pid 5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6001, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6002] <... unshare resumed>) = 0 ./strace-static-x86_64: Process 6010 attached [pid 6002] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] set_robust_list(0x5555840106a0, 24 [pid 6002] <... futex resumed>) = 0 [pid 5996] exit_group(0 [pid 5854] <... clone resumed>, child_tidptr=0x555584010690) = 6010 [pid 6010] <... set_robust_list resumed>) = 0 [pid 5996] <... exit_group resumed>) = ? [pid 6010] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6002] +++ exited with 0 +++ [pid 5996] +++ exited with 0 +++ [pid 6010] <... prctl resumed>) = 0 [pid 6010] setpgid(0, 0) = 0 [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5996, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5856] restart_syscall(<... resuming interrupted clone ...> [pid 6010] <... openat resumed>) = 3 [pid 6010] write(3, "1000", 4executing program [pid 5856] <... restart_syscall resumed>) = 0 [pid 6010] <... write resumed>) = 4 [pid 6010] close(3) = 0 [pid 6010] write(1, "executing program\n", 18) = 18 [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6010] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6010] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, ./strace-static-x86_64: Process 6012 attached NULL, 8) = 0 [pid 6010] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6012] set_robust_list(0x5555840106a0, 24) = 0 executing program [pid 6012] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6012] setpgid(0, 0) = 0 [pid 6007] <... unshare resumed>) = 0 [pid 6012] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6007] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6012] write(3, "1000", 4 [pid 6007] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6003] exit_group(0 [pid 6007] <... futex resumed>) = ? [pid 6003] <... exit_group resumed>) = ? [pid 6012] <... write resumed>) = 4 [pid 6007] +++ exited with 0 +++ [pid 6003] +++ exited with 0 +++ [pid 6012] close(3 [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6003, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6012] <... close resumed>) = 0 [pid 5858] restart_syscall(<... resuming interrupted clone ...> [pid 6012] write(1, "executing program\n", 18) = 18 [pid 6012] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6012] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, NULL, 8) = 0 [pid 6012] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6012] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0b13caf000 [pid 6012] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 6010] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5858] <... restart_syscall resumed>) = 0 [pid 5856] <... clone resumed>, child_tidptr=0x555584010690) = 6012 [pid 6010] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0b13caf000 [pid 6010] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6010] <... mprotect resumed>) = 0 [pid 6012] <... mprotect resumed>) = 0 [pid 6010] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5858] <... clone resumed>, child_tidptr=0x555584010690) = 6014 [pid 6010] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6012] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6010] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 6012] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 6015 attached ./strace-static-x86_64: Process 6014 attached [pid 6012] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 6015] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 6010] <... clone3 resumed> => {parent_tid=[6015]}, 88) = 6015 [pid 6015] <... rseq resumed>) = 0 [pid 6010] rt_sigprocmask(SIG_SETMASK, [], [pid 6015] set_robust_list(0x7f0b13ccf9a0, 24 [pid 6010] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6014] set_robust_list(0x5555840106a0, 24 [pid 6010] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] <... set_robust_list resumed>) = 0 [pid 6010] <... futex resumed>) = 0 [pid 6015] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6016 attached NULL, 8) = 0 [pid 6014] <... set_robust_list resumed>) = 0 [pid 6010] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6015] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6012] <... clone3 resumed> => {parent_tid=[6016]}, 88) = 6016 [pid 6012] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6012] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6012] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6005] <... unshare resumed>) = 0 [pid 6016] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 6014] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6006] <... unshare resumed>) = 0 [pid 6005] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5999] exit_group(0 [pid 6016] <... rseq resumed>) = 0 [pid 5999] <... exit_group resumed>) = ? [pid 6005] +++ exited with 0 +++ [pid 6006] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] set_robust_list(0x7f0b13ccf9a0, 24 [pid 6014] <... prctl resumed>) = 0 [pid 5999] +++ exited with 0 +++ [pid 6006] <... futex resumed>) = 0 [pid 5998] exit_group(0 [pid 5860] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5999, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6014] setpgid(0, 0 [pid 5998] <... exit_group resumed>) = ? [pid 6014] <... setpgid resumed>) = 0 [pid 6006] +++ exited with 0 +++ [pid 5998] +++ exited with 0 +++ [pid 5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5998, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5860] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6014] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6016] <... set_robust_list resumed>) = 0 [pid 6014] write(3, "1000", 4 [pid 6016] rt_sigprocmask(SIG_SETMASK, [], [pid 6014] <... write resumed>) = 4 [pid 6016] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6014] close(3 [pid 6016] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET./strace-static-x86_64: Process 6018 attached [pid 6014] <... close resumed>) = 0 [pid 6018] set_robust_list(0x5555840106a0, 24 [pid 5860] <... clone resumed>, child_tidptr=0x555584010690) = 6018 [pid 6018] <... set_robust_list resumed>) = 0 [pid 6018] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6014] write(1, "executing program\n", 18executing program [pid 6018] setpgid(0, 0 [pid 6014] <... write resumed>) = 18 [pid 6018] <... setpgid resumed>) = 0 [pid 6014] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6018] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6014] <... futex resumed>) = 0 [pid 5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6014] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 6018] <... openat resumed>) = 3 [pid 6014] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6018] write(3, "1000", 4 [pid 6014] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6018] <... write resumed>) = 4 [pid 6018] close(3) = 0 [pid 6018] write(1, "executing program\n", 18executing program ) = 18 [pid 6018] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6018] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, NULL, 8) = 0 [pid 6018] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6018] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0b13caf000 [pid 6018] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6018] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6018] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0}./strace-static-x86_64: Process 6019 attached ./strace-static-x86_64: Process 6020 attached [pid 6014] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5853] <... clone resumed>, child_tidptr=0x555584010690) = 6020 [pid 6014] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6019] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053) = 0 [pid 6018] <... clone3 resumed> => {parent_tid=[6019]}, 88) = 6019 [pid 6014] <... mmap resumed>) = 0x7f0b13caf000 [pid 6019] set_robust_list(0x7f0b13ccf9a0, 24 [pid 6018] rt_sigprocmask(SIG_SETMASK, [], [pid 6020] set_robust_list(0x5555840106a0, 24 [pid 6019] <... set_robust_list resumed>) = 0 [pid 6014] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 6019] rt_sigprocmask(SIG_SETMASK, [], [pid 6018] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6019] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6014] <... mprotect resumed>) = 0 [pid 6014] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6020] <... set_robust_list resumed>) = 0 [pid 6019] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6018] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6010] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6020] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6018] <... futex resumed>) = 0 [pid 6014] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 6012] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 6021 attached [pid 6020] <... prctl resumed>) = 0 [pid 6018] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6020] setpgid(0, 0 [pid 6014] <... clone3 resumed> => {parent_tid=[6021]}, 88) = 6021 [pid 6021] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 6020] <... setpgid resumed>) = 0 [pid 6014] rt_sigprocmask(SIG_SETMASK, [], [pid 6020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6014] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6014] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6020] <... openat resumed>) = 3 [pid 6021] <... rseq resumed>) = 0 [pid 6014] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6021] set_robust_list(0x7f0b13ccf9a0, 24 [pid 6020] write(3, "1000", 4 [pid 6021] <... set_robust_list resumed>) = 0 [pid 6020] <... write resumed>) = 4 [pid 6021] rt_sigprocmask(SIG_SETMASK, [], [pid 6020] close(3 [pid 6021] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6020] <... close resumed>) = 0 [pid 6021] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNETexecuting program [pid 6020] write(1, "executing program\n", 18) = 18 [pid 6020] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6020] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, NULL, 8) = 0 [pid 6020] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6020] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0b13caf000 [pid 6020] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6020] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6020] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} => {parent_tid=[6022]}, 88) = 6022 [pid 6020] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6020] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6022 attached ) = 0 [pid 6020] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6022] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053) = 0 [pid 6022] set_robust_list(0x7f0b13ccf9a0, 24) = 0 [pid 6022] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6022] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6018] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6015] <... unshare resumed>) = 0 [pid 6014] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6015] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6015] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6020] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6010] exit_group(0 [pid 6015] <... futex resumed>) = ? [pid 6010] <... exit_group resumed>) = ? [pid 6015] +++ exited with 0 +++ [pid 6010] +++ exited with 0 +++ [pid 5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6010, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6024 attached [pid 6016] <... unshare resumed>) = 0 [pid 5854] <... clone resumed>, child_tidptr=0x555584010690) = 6024 [pid 6024] set_robust_list(0x5555840106a0, 24 [pid 6016] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6016] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6012] exit_group(0 [pid 6024] <... set_robust_list resumed>) = 0 [pid 6024] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6024] setpgid(0, 0 [pid 6012] <... exit_group resumed>) = ? [pid 6016] <... futex resumed>) = ? [pid 6016] +++ exited with 0 +++ [pid 6012] +++ exited with 0 +++ [pid 6024] <... setpgid resumed>) = 0 [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6012, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5856] restart_syscall(<... resuming interrupted clone ...> [pid 6024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6019] <... unshare resumed>) = 0 [pid 5856] <... restart_syscall resumed>) = 0 [pid 6024] write(3, "1000", 4 [pid 6019] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6024] <... write resumed>) = 4 [pid 6019] <... futex resumed>) = 0 [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6024] close(3./strace-static-x86_64: Process 6028 attached ) = 0 [pid 6021] <... unshare resumed>) = 0 [pid 6019] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL executing program [pid 6024] write(1, "executing program\n", 18 [pid 6021] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6018] exit_group(0 [pid 6014] exit_group(0 [pid 5856] <... clone resumed>, child_tidptr=0x555584010690) = 6028 [pid 6024] <... write resumed>) = 18 [pid 6021] <... futex resumed>) = ? [pid 6019] <... futex resumed>) = ? [pid 6018] <... exit_group resumed>) = ? [pid 6014] <... exit_group resumed>) = ? [pid 6024] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6021] +++ exited with 0 +++ [pid 6028] set_robust_list(0x5555840106a0, 24) = 0 [pid 6028] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6028] setpgid(0, 0) = 0 [pid 6028] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6024] <... futex resumed>) = 0 [pid 6019] +++ exited with 0 +++ [pid 6018] +++ exited with 0 +++ [pid 6014] +++ exited with 0 +++ [pid 6024] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 6028] <... openat resumed>) = 3 [pid 6024] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5860] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6018, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6014, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6024] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5860] restart_syscall(<... resuming interrupted clone ...> [pid 5858] restart_syscall(<... resuming interrupted clone ...> [pid 6028] write(3, "1000", 4 [pid 6024] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6028] <... write resumed>) = 4 [pid 6024] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5860] <... restart_syscall resumed>) = 0 [pid 6028] close(3 [pid 6024] <... mmap resumed>) = 0x7f0b13caf000 [pid 6028] <... close resumed>) = 0 [pid 6028] write(1, "executing program\n", 18executing program ) = 18 [pid 6024] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 6028] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6024] <... mprotect resumed>) = 0 [pid 6028] <... futex resumed>) = 0 [pid 6024] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5860] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6028] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, NULL, 8) = 0 ./strace-static-x86_64: Process 6029 attached [pid 6028] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6024] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6029] set_robust_list(0x5555840106a0, 24 [pid 6028] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6024] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0}./strace-static-x86_64: Process 6030 attached [pid 6029] <... set_robust_list resumed>) = 0 [pid 6028] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5858] <... restart_syscall resumed>) = 0 [pid 6030] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 6029] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6028] <... mmap resumed>) = 0x7f0b13caf000 [pid 6024] <... clone3 resumed> => {parent_tid=[6030]}, 88) = 6030 [pid 5860] <... clone resumed>, child_tidptr=0x555584010690) = 6029 [pid 6030] <... rseq resumed>) = 0 [pid 6029] <... prctl resumed>) = 0 [pid 6028] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 6024] rt_sigprocmask(SIG_SETMASK, [], [pid 6030] set_robust_list(0x7f0b13ccf9a0, 24 [pid 6029] setpgid(0, 0 [pid 6028] <... mprotect resumed>) = 0 [pid 6024] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6030] <... set_robust_list resumed>) = 0 [pid 6024] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] rt_sigprocmask(SIG_SETMASK, [], [pid 6029] <... setpgid resumed>) = 0 [pid 6024] <... futex resumed>) = 0 [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6031 attached [pid 6030] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6028] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6024] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6030] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 5858] <... clone resumed>, child_tidptr=0x555584010690) = 6031 [pid 6031] set_robust_list(0x5555840106a0, 24 [pid 6029] <... openat resumed>) = 3 [pid 6028] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6031] <... set_robust_list resumed>) = 0 [pid 6029] write(3, "1000", 4 [pid 6028] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0}./strace-static-x86_64: Process 6032 attached [pid 6032] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053) = 0 [pid 6028] <... clone3 resumed> => {parent_tid=[6032]}, 88) = 6032 [pid 6032] set_robust_list(0x7f0b13ccf9a0, 24) = 0 [pid 6032] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6032] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6031] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6029] <... write resumed>) = 4 [pid 6028] rt_sigprocmask(SIG_SETMASK, [], [pid 6031] <... prctl resumed>) = 0 [pid 6029] close(3 [pid 6028] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6031] setpgid(0, 0 [pid 6029] <... close resumed>) = 0 [pid 6028] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6032] <... futex resumed>) = 0 [pid 6031] <... setpgid resumed>) = 0 [pid 6029] write(1, "executing program\n", 18 [pid 6028] <... futex resumed>) = 1 [pid 6032] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6031] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6029] <... write resumed>) = 18 [pid 6028] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6031] <... openat resumed>) = 3 [pid 6029] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6031] write(3, "1000", 4 [pid 6029] <... futex resumed>) = 0 [pid 6031] <... write resumed>) = 4 [pid 6029] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 6031] close(3 [pid 6029] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6031] <... close resumed>) = 0 [pid 6029] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6031] write(1, "executing program\n", 18 [pid 6029] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 6031] <... write resumed>) = 18 [pid 6029] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6031] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6029] <... mmap resumed>) = 0x7f0b13caf000 [pid 6031] <... futex resumed>) = 0 [pid 6029] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 6031] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, NULL, 8) = 0 [pid 6029] <... mprotect resumed>) = 0 [pid 6024] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6024] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 6031] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6029] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6024] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6031] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6029] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6031] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [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=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0}./strace-static-x86_64: Process 6033 attached [pid 6031] <... mmap resumed>) = 0x7f0b13caf000 [pid 6033] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 6031] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 6029] <... clone3 resumed> => {parent_tid=[6033]}, 88) = 6033 [pid 6033] <... rseq resumed>) = 0 [pid 6031] <... mprotect resumed>) = 0 [pid 6029] rt_sigprocmask(SIG_SETMASK, [], [pid 6033] set_robust_list(0x7f0b13ccf9a0, 24 [pid 6029] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6033] <... set_robust_list resumed>) = 0 [pid 6031] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6029] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6033] rt_sigprocmask(SIG_SETMASK, [], [pid 6031] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6029] <... futex resumed>) = 0 [pid 6033] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6031] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 6029] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6034 attached [pid 6033] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6034] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053) = 0 [pid 6031] <... clone3 resumed> => {parent_tid=[6034]}, 88) = 6034 [pid 6034] set_robust_list(0x7f0b13ccf9a0, 24) = 0 [pid 6031] rt_sigprocmask(SIG_SETMASK, [], [pid 6034] rt_sigprocmask(SIG_SETMASK, [], [pid 6031] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6034] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6031] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6034] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6031] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6028] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6029] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6031] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6022] <... unshare resumed>) = 0 [pid 6022] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6022] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6020] exit_group(0 [pid 6022] <... futex resumed>) = ? [pid 6020] <... exit_group resumed>) = ? [pid 6022] +++ exited with 0 +++ [pid 6020] +++ exited with 0 +++ [pid 5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6020, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5853] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6036 attached [pid 6036] set_robust_list(0x5555840106a0, 24) = 0 [pid 6036] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5853] <... clone resumed>, child_tidptr=0x555584010690) = 6036 [pid 6036] <... prctl resumed>) = 0 [pid 6036] setpgid(0, 0) = 0 [pid 6036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6036] write(3, "1000", 4) = 4 [pid 6036] close(3) = 0 executing program [pid 6036] write(1, "executing program\n", 18) = 18 [pid 6036] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6036] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, NULL, 8) = 0 [pid 6036] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6036] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0b13caf000 [pid 6036] mprotect(0x7f0b13cb0000, 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=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0}./strace-static-x86_64: Process 6037 attached => {parent_tid=[6037]}, 88) = 6037 [pid 6037] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 6036] rt_sigprocmask(SIG_SETMASK, [], [pid 6037] <... rseq resumed>) = 0 [pid 6036] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6037] set_robust_list(0x7f0b13ccf9a0, 24) = 0 [pid 6037] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6037] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6036] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] <... futex resumed>) = 0 [pid 6036] <... futex resumed>) = 1 [pid 6037] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6036] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6030] <... unshare resumed>) = 0 [pid 6030] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6024] exit_group(0) = ? [pid 6030] +++ exited with 0 +++ [pid 6024] +++ exited with 0 +++ [pid 5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6024, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6040 attached , child_tidptr=0x555584010690) = 6040 [pid 6040] set_robust_list(0x5555840106a0, 24 [pid 6033] <... unshare resumed>) = 0 [pid 6033] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6033] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6040] <... set_robust_list resumed>) = 0 [pid 6029] exit_group(0 [pid 6033] <... futex resumed>) = ? [pid 6029] <... exit_group resumed>) = ? [pid 6040] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6034] <... unshare resumed>) = 0 [pid 6033] +++ exited with 0 +++ [pid 6029] +++ exited with 0 +++ [pid 6040] <... prctl resumed>) = 0 [pid 5860] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6029, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5860] restart_syscall(<... resuming interrupted clone ...> [pid 6040] setpgid(0, 0 [pid 6034] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] <... setpgid resumed>) = 0 [pid 6034] <... futex resumed>) = 0 [pid 6031] exit_group(0 [pid 6040] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6031] <... exit_group resumed>) = ? [pid 6040] <... openat resumed>) = 3 [pid 6034] +++ exited with 0 +++ [pid 6031] +++ exited with 0 +++ [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6031, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5858] restart_syscall(<... resuming interrupted clone ...> [pid 6040] write(3, "1000", 4 [pid 6032] <... unshare resumed>) = 0 [pid 5860] <... restart_syscall resumed>) = 0 [pid 5858] <... restart_syscall resumed>) = 0 [pid 6028] exit_group(0 [pid 6040] <... write resumed>) = 4 [pid 6028] <... exit_group resumed>) = ? [pid 6040] close(3 [pid 5860] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6040] <... close resumed>) = 0 executing program [pid 6040] write(1, "executing program\n", 18./strace-static-x86_64: Process 6043 attached [pid 6043] set_robust_list(0x5555840106a0, 24 [pid 5858] <... clone resumed>, child_tidptr=0x555584010690) = 6044 [pid 6043] <... set_robust_list resumed>) = 0 [pid 6043] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5860] <... clone resumed>, child_tidptr=0x555584010690) = 6043 [pid 6043] <... prctl resumed>) = 0 [pid 6032] +++ exited with 0 +++ [pid 6040] <... write resumed>) = 18 [pid 6028] +++ exited with 0 +++ [pid 6043] setpgid(0, 0 [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6028, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5856] restart_syscall(<... resuming interrupted clone ...> [pid 6043] <... setpgid resumed>) = 0 [pid 6043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 6044 attached [pid 6043] write(3, "1000", 4 [pid 6040] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] <... restart_syscall resumed>) = 0 [pid 6044] set_robust_list(0x5555840106a0, 24 [pid 6043] <... write resumed>) = 4 [pid 6040] <... futex resumed>) = 0 executing program [pid 6044] <... set_robust_list resumed>) = 0 [pid 6043] close(3 [pid 6040] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 6044] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6043] <... close resumed>) = 0 [pid 6040] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6044] <... prctl resumed>) = 0 [pid 6043] write(1, "executing program\n", 18 [pid 6040] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6044] setpgid(0, 0 [pid 6043] <... write resumed>) = 18 [pid 6040] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6040] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0b13caf000 [pid 6040] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6044] <... setpgid resumed>) = 0 [pid 6040] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 6045 attached [pid 6045] set_robust_list(0x5555840106a0, 24 [pid 6044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6043] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5856] <... clone resumed>, child_tidptr=0x555584010690) = 6045 [pid 6045] <... set_robust_list resumed>) = 0 [pid 6043] <... futex resumed>) = 0 [pid 6045] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6044] <... openat resumed>) = 3 [pid 6043] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [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=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0}./strace-static-x86_64: Process 6046 attached [pid 6045] <... prctl resumed>) = 0 [pid 6044] write(3, "1000", 4 [pid 6043] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6045] setpgid(0, 0 [pid 6043] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6040] <... clone3 resumed> => {parent_tid=[6046]}, 88) = 6046 [pid 6045] <... setpgid resumed>) = 0 [pid 6044] <... write resumed>) = 4 [pid 6043] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6040] rt_sigprocmask(SIG_SETMASK, [], [pid 6046] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 6044] close(3 [pid 6043] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6040] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6046] <... rseq resumed>) = 0 [pid 6045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6044] <... close resumed>) = 0 [pid 6043] <... mmap resumed>) = 0x7f0b13caf000 [pid 6046] set_robust_list(0x7f0b13ccf9a0, 24executing program [pid 6043] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 6044] write(1, "executing program\n", 18 [pid 6043] <... mprotect resumed>) = 0 [pid 6040] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6044] <... write resumed>) = 18 [pid 6043] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6046] <... set_robust_list resumed>) = 0 [pid 6040] <... futex resumed>) = 0 [pid 6046] rt_sigprocmask(SIG_SETMASK, [], [pid 6045] <... openat resumed>) = 3 [pid 6044] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6040] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6045] write(3, "1000", 4 [pid 6044] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 6045] <... write resumed>) = 4 [pid 6044] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6043] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6046] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6045] close(3 [pid 6044] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6043] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 6046] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6045] <... close resumed>) = 0 [pid 6044] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program ./strace-static-x86_64: Process 6047 attached [pid 6044] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6047] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 6044] <... mmap resumed>) = 0x7f0b13caf000 [pid 6043] <... clone3 resumed> => {parent_tid=[6047]}, 88) = 6047 [pid 6045] write(1, "executing program\n", 18 [pid 6043] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6045] <... write resumed>) = 18 [pid 6043] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6043] <... futex resumed>) = 0 [pid 6043] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6045] <... futex resumed>) = 0 [pid 6045] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, NULL, 8) = 0 [pid 6047] <... rseq resumed>) = 0 [pid 6044] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 6045] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6044] <... mprotect resumed>) = 0 [pid 6047] set_robust_list(0x7f0b13ccf9a0, 24 [pid 6045] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0b13caf000 [pid 6045] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6045] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6047] <... set_robust_list resumed>) = 0 [pid 6044] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6047] rt_sigprocmask(SIG_SETMASK, [], [pid 6044] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6045] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 6044] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 6047] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6049 attached ./strace-static-x86_64: Process 6048 attached [pid 6047] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6045] <... clone3 resumed> => {parent_tid=[6048]}, 88) = 6048 [pid 6045] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6045] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6048] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 6045] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6048] <... rseq resumed>) = 0 [pid 6048] set_robust_list(0x7f0b13ccf9a0, 24) = 0 [pid 6048] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6048] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6049] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 6044] <... clone3 resumed> => {parent_tid=[6049]}, 88) = 6049 [pid 6044] rt_sigprocmask(SIG_SETMASK, [], [pid 6049] <... rseq resumed>) = 0 [pid 6044] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6049] set_robust_list(0x7f0b13ccf9a0, 24 [pid 6044] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6049] <... set_robust_list resumed>) = 0 [pid 6044] <... futex resumed>) = 0 [pid 6049] rt_sigprocmask(SIG_SETMASK, [], [pid 6044] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6049] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6049] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6040] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6043] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6037] <... unshare resumed>) = 0 [pid 6037] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] exit_group(0) = ? [pid 6037] <... futex resumed>) = ? [pid 6045] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6037] +++ exited with 0 +++ [pid 6036] +++ exited with 0 +++ [pid 5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6036, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5853] restart_syscall(<... resuming interrupted clone ...> [pid 6044] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5853] <... restart_syscall resumed>) = 0 [pid 5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6051 attached , child_tidptr=0x555584010690) = 6051 [pid 6051] set_robust_list(0x5555840106a0, 24) = 0 [pid 6051] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6051] setpgid(0, 0) = 0 [pid 6051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 6051] write(3, "1000", 4) = 4 [pid 6051] close(3) = 0 [pid 6051] write(1, "executing program\n", 18) = 18 [pid 6051] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6051] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, 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) = 0x7f0b13caf000 [pid 6051] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE) = 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=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} => {parent_tid=[6052]}, 88) = 6052 [pid 6051] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6051] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6051] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6052 attached [pid 6052] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053) = 0 [pid 6052] set_robust_list(0x7f0b13ccf9a0, 24) = 0 [pid 6052] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6052] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6046] <... unshare resumed>) = 0 [pid 6046] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6040] exit_group(0 [pid 6051] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6040] <... exit_group resumed>) = ? [pid 6046] +++ exited with 0 +++ [pid 6040] +++ exited with 0 +++ [pid 5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6040, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5854] restart_syscall(<... resuming interrupted clone ...> [pid 6049] <... unshare resumed>) = 0 [pid 6049] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] <... restart_syscall resumed>) = 0 [pid 6044] exit_group(0 [pid 6049] <... futex resumed>) = 0 [pid 6044] <... exit_group resumed>) = ? [pid 5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6055 attached [pid 6049] +++ exited with 0 +++ [pid 6048] <... unshare resumed>) = 0 [pid 6047] <... unshare resumed>) = 0 [pid 6044] +++ exited with 0 +++ [pid 6055] set_robust_list(0x5555840106a0, 24 [pid 6048] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6047] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6055] <... set_robust_list resumed>) = 0 [pid 6048] <... futex resumed>) = 0 [pid 6047] <... futex resumed>) = 0 [pid 6055] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6048] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6047] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6043] exit_group(0 [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6044, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5854] <... clone resumed>, child_tidptr=0x555584010690) = 6055 [pid 6055] <... prctl resumed>) = 0 [pid 6047] <... futex resumed>) = ? [pid 6045] exit_group(0 [pid 6043] <... exit_group resumed>) = ? [pid 6055] setpgid(0, 0 [pid 6048] <... futex resumed>) = ? [pid 6047] +++ exited with 0 +++ [pid 6045] <... exit_group resumed>) = ? [pid 6043] +++ exited with 0 +++ [pid 5860] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6043, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5860] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6058 attached [pid 6055] <... setpgid resumed>) = 0 [pid 6055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6055] write(3, "1000", 4 [pid 6058] set_robust_list(0x5555840106a0, 24 [pid 6055] <... write resumed>) = 4 [pid 6048] +++ exited with 0 +++ [pid 6045] +++ exited with 0 +++ [pid 6058] <... set_robust_list resumed>) = 0 [pid 6055] close(3 [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6045, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6058] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6055] <... close resumed>) = 0 [pid 5858] <... clone resumed>, child_tidptr=0x555584010690) = 6058 [pid 5856] restart_syscall(<... resuming interrupted clone ...>executing program [pid 6058] <... prctl resumed>) = 0 [pid 6055] write(1, "executing program\n", 18 [pid 5856] <... restart_syscall resumed>) = 0 [pid 6055] <... write resumed>) = 18 [pid 6058] setpgid(0, 0 [pid 6055] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] <... setpgid resumed>) = 0 [pid 6055] <... futex resumed>) = 0 [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6055] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 5860] <... restart_syscall resumed>) = 0 [pid 5856] <... clone resumed>, child_tidptr=0x555584010690) = 6059 ./strace-static-x86_64: Process 6059 attached [pid 5860] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6060 attached [pid 6055] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6060] set_robust_list(0x5555840106a0, 24 [pid 6055] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6060] <... set_robust_list resumed>) = 0 [pid 6059] set_robust_list(0x5555840106a0, 24 [pid 6058] <... openat resumed>) = 3 [pid 6055] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6060] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6059] <... set_robust_list resumed>) = 0 [pid 6058] write(3, "1000", 4 [pid 6055] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5860] <... clone resumed>, child_tidptr=0x555584010690) = 6060 [pid 6060] <... prctl resumed>) = 0 [pid 6059] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6060] setpgid(0, 0 [pid 6055] <... mmap resumed>) = 0x7f0b13caf000 [pid 6060] <... setpgid resumed>) = 0 [pid 6059] <... prctl resumed>) = 0 [pid 6055] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 6060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6059] setpgid(0, 0 [pid 6058] <... write resumed>) = 4 [pid 6055] <... mprotect resumed>) = 0 [pid 6060] <... openat resumed>) = 3 [pid 6059] <... setpgid resumed>) = 0 [pid 6058] close(3 [pid 6055] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6052] <... unshare resumed>) = 0 [pid 6060] write(3, "1000", 4 [pid 6059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6060] <... write resumed>) = 4 [pid 6059] <... openat resumed>) = 3 [pid 6058] <... close resumed>) = 0 [pid 6055] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6052] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] close(3 [pid 6059] write(3, "1000", 4executing program [pid 6058] write(1, "executing program\n", 18 [pid 6055] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 6052] <... futex resumed>) = 0 [pid 6051] exit_group(0./strace-static-x86_64: Process 6062 attached [pid 6060] <... close resumed>) = 0 [pid 6059] <... write resumed>) = 4 [pid 6058] <... write resumed>) = 18 [pid 6051] <... exit_group resumed>) = ? [pid 6062] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053executing program [pid 6060] write(1, "executing program\n", 18 [pid 6059] close(3 [pid 6058] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6055] <... clone3 resumed> => {parent_tid=[6062]}, 88) = 6062 [pid 6052] +++ exited with 0 +++ [pid 6062] <... rseq resumed>) = 0 [pid 6060] <... write resumed>) = 18 [pid 6059] <... close resumed>) = 0 [pid 6058] <... futex resumed>) = 0 [pid 6051] +++ exited with 0 +++ [pid 6055] rt_sigprocmask(SIG_SETMASK, [], [pid 6062] set_robust_list(0x7f0b13ccf9a0, 24 [pid 6060] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] write(1, "executing program\n", 18 [pid 6058] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 6055] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6051, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- executing program [pid 6062] <... set_robust_list resumed>) = 0 [pid 6060] <... futex resumed>) = 0 [pid 6059] <... write resumed>) = 18 [pid 6058] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6055] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] restart_syscall(<... resuming interrupted clone ...> [pid 6062] rt_sigprocmask(SIG_SETMASK, [], [pid 6060] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 6059] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6055] <... futex resumed>) = 0 [pid 6062] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6060] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6059] <... futex resumed>) = 0 [pid 6058] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6055] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6062] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6060] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6059] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 6058] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6060] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6059] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6058] <... mmap resumed>) = 0x7f0b13caf000 [pid 5853] <... restart_syscall resumed>) = 0 [pid 6060] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6059] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6058] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 6060] <... mmap resumed>) = 0x7f0b13caf000 [pid 6059] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6058] <... mprotect resumed>) = 0 [pid 6060] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 6059] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6063 attached [pid 6060] <... mprotect resumed>) = 0 [pid 6059] <... mmap resumed>) = 0x7f0b13caf000 [pid 6058] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6060] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6059] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 6060] <... rt_sigprocmask resumed>[], 8) = 0 [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=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0}./strace-static-x86_64: Process 6064 attached [pid 6058] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6064] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 6060] <... clone3 resumed> => {parent_tid=[6064]}, 88) = 6064 [pid 6059] <... mprotect resumed>) = 0 [pid 6058] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 6060] rt_sigprocmask(SIG_SETMASK, [], [pid 6059] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5853] <... clone resumed>, child_tidptr=0x555584010690) = 6063 [pid 6064] <... rseq resumed>) = 0 [pid 6063] set_robust_list(0x5555840106a0, 24 [pid 6060] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6064] set_robust_list(0x7f0b13ccf9a0, 24 [pid 6063] <... set_robust_list resumed>) = 0 [pid 6060] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6064] <... set_robust_list resumed>) = 0 [pid 6063] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6060] <... futex resumed>) = 0 [pid 6059] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0}./strace-static-x86_64: Process 6066 attached ./strace-static-x86_64: Process 6065 attached [pid 6064] rt_sigprocmask(SIG_SETMASK, [], [pid 6063] <... prctl resumed>) = 0 [pid 6060] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6058] <... clone3 resumed> => {parent_tid=[6065]}, 88) = 6065 [pid 6059] <... clone3 resumed> => {parent_tid=[6066]}, 88) = 6066 [pid 6064] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6058] rt_sigprocmask(SIG_SETMASK, [], [pid 6066] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 6065] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 6064] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6059] rt_sigprocmask(SIG_SETMASK, [], [pid 6058] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6066] <... rseq resumed>) = 0 [pid 6065] <... rseq resumed>) = 0 [pid 6059] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6058] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] <... futex resumed>) = 0 [pid 6059] <... futex resumed>) = 0 [pid 6058] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6059] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6066] set_robust_list(0x7f0b13ccf9a0, 24 [pid 6065] set_robust_list(0x7f0b13ccf9a0, 24 [pid 6063] setpgid(0, 0 [pid 6066] <... set_robust_list resumed>) = 0 [pid 6066] rt_sigprocmask(SIG_SETMASK, [], [pid 6065] <... set_robust_list resumed>) = 0 [pid 6063] <... setpgid resumed>) = 0 [pid 6066] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6065] rt_sigprocmask(SIG_SETMASK, [], [pid 6063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6065] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6066] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6065] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6063] <... openat resumed>) = 3 [pid 6063] write(3, "1000", 4) = 4 [pid 6055] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6063] close(3) = 0 executing program [pid 6063] write(1, "executing program\n", 18) = 18 [pid 6063] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6060] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6063] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, NULL, 8) = 0 [pid 6063] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6059] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6058] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6063] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6063] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0b13caf000 [pid 6063] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6063] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6063] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0}./strace-static-x86_64: Process 6067 attached [pid 6067] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 6063] <... clone3 resumed> => {parent_tid=[6067]}, 88) = 6067 [pid 6067] <... rseq resumed>) = 0 [pid 6063] rt_sigprocmask(SIG_SETMASK, [], [pid 6067] set_robust_list(0x7f0b13ccf9a0, 24 [pid 6063] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6067] <... set_robust_list resumed>) = 0 [pid 6063] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6067] rt_sigprocmask(SIG_SETMASK, [], [pid 6063] <... futex resumed>) = 0 [pid 6067] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6063] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6067] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6063] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6064] <... unshare resumed>) = 0 [pid 6064] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] exit_group(0 [pid 6064] <... futex resumed>) = ? [pid 6060] <... exit_group resumed>) = ? [pid 6064] +++ exited with 0 +++ [pid 6060] +++ exited with 0 +++ [pid 5860] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6060, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5860] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555584010690) = 6069 ./strace-static-x86_64: Process 6069 attached [pid 6069] set_robust_list(0x5555840106a0, 24) = 0 [pid 6069] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6069] setpgid(0, 0) = 0 [pid 6069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6062] <... unshare resumed>) = 0 [pid 6069] <... openat resumed>) = 3 [pid 6062] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] write(3, "1000", 4 [pid 6062] <... futex resumed>) = 0 [pid 6055] exit_group(0 [pid 6069] <... write resumed>) = 4 [pid 6055] <... exit_group resumed>) = ? [pid 6062] +++ exited with 0 +++ [pid 6055] +++ exited with 0 +++ [pid 5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6055, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5854] restart_syscall(<... resuming interrupted clone ...> [pid 6069] close(3 [pid 6067] <... unshare resumed>) = 0 [pid 6066] <... unshare resumed>) = 0 [pid 5854] <... restart_syscall resumed>) = 0 executing program [pid 6069] <... close resumed>) = 0 [pid 6066] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] write(1, "executing program\n", 18 [pid 6066] <... futex resumed>) = 0 [pid 6069] <... write resumed>) = 18 [pid 6066] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6069] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6069] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, NULL, 8) = 0 [pid 6069] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6069] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6067] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] <... mmap resumed>) = 0x7f0b13caf000 [pid 6067] <... futex resumed>) = 0 [pid 6063] exit_group(0 [pid 6059] exit_group(0 [pid 5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6074 attached [pid 6066] <... futex resumed>) = ? [pid 6059] <... exit_group resumed>) = ? [pid 6066] +++ exited with 0 +++ [pid 6069] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 6063] <... exit_group resumed>) = ? [pid 6059] +++ exited with 0 +++ [pid 6069] <... mprotect resumed>) = 0 [pid 6067] +++ exited with 0 +++ [pid 6063] +++ exited with 0 +++ [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6059, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5856] restart_syscall(<... resuming interrupted clone ...> [pid 6069] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6063, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5854] <... clone resumed>, child_tidptr=0x555584010690) = 6074 [pid 6069] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5853] restart_syscall(<... resuming interrupted clone ...> [pid 6069] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0}./strace-static-x86_64: Process 6075 attached [pid 6074] set_robust_list(0x5555840106a0, 24 [pid 5853] <... restart_syscall resumed>) = 0 [pid 6075] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 6074] <... set_robust_list resumed>) = 0 [pid 6075] <... rseq resumed>) = 0 [pid 6074] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6069] <... clone3 resumed> => {parent_tid=[6075]}, 88) = 6075 [pid 6065] <... unshare resumed>) = 0 [pid 6075] set_robust_list(0x7f0b13ccf9a0, 24 [pid 6074] <... prctl resumed>) = 0 [pid 5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6074] setpgid(0, 0 [pid 6069] rt_sigprocmask(SIG_SETMASK, [], [pid 6075] <... set_robust_list resumed>) = 0 [pid 5856] <... restart_syscall resumed>) = 0 [pid 6075] rt_sigprocmask(SIG_SETMASK, [], [pid 6074] <... setpgid resumed>) = 0 [pid 6065] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] exit_group(0./strace-static-x86_64: Process 6076 attached [pid 6075] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6069] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6065] <... futex resumed>) = ? [pid 6058] <... exit_group resumed>) = ? [pid 6076] set_robust_list(0x5555840106a0, 24 [pid 6075] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6069] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] +++ exited with 0 +++ [pid 6058] +++ exited with 0 +++ [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5853] <... clone resumed>, child_tidptr=0x555584010690) = 6076 [pid 6076] <... set_robust_list resumed>) = 0 [pid 6075] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6074] <... openat resumed>) = 3 [pid 6069] <... futex resumed>) = 0 [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6058, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- ./strace-static-x86_64: Process 6077 attached [pid 6076] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6075] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6074] write(3, "1000", 4 [pid 6069] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5858] restart_syscall(<... resuming interrupted clone ...> [pid 6076] <... prctl resumed>) = 0 [pid 6077] set_robust_list(0x5555840106a0, 24 [pid 5858] <... restart_syscall resumed>) = 0 [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6078 attached [pid 6074] <... write resumed>) = 4 [pid 5858] <... clone resumed>, child_tidptr=0x555584010690) = 6078 [pid 6076] setpgid(0, 0 [pid 6074] close(3 [pid 5856] <... clone resumed>, child_tidptr=0x555584010690) = 6077 [pid 6078] set_robust_list(0x5555840106a0, 24 [pid 6076] <... setpgid resumed>) = 0 [pid 6074] <... close resumed>) = 0 [pid 6078] <... set_robust_list resumed>) = 0 [pid 6077] <... set_robust_list resumed>) = 0 [pid 6076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6078] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program [pid 6077] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6074] write(1, "executing program\n", 18 [pid 6078] <... prctl resumed>) = 0 [pid 6076] <... openat resumed>) = 3 [pid 6074] <... write resumed>) = 18 [pid 6078] setpgid(0, 0 [pid 6077] <... prctl resumed>) = 0 [pid 6076] write(3, "1000", 4 [pid 6074] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6078] <... setpgid resumed>) = 0 [pid 6077] setpgid(0, 0 [pid 6076] <... write resumed>) = 4 [pid 6074] <... futex resumed>) = 0 [pid 6078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6077] <... setpgid resumed>) = 0 [pid 6076] close(3 [pid 6074] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, executing program [pid 6077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6076] <... close resumed>) = 0 [pid 6074] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6078] <... openat resumed>) = 3 [pid 6076] write(1, "executing program\n", 18 [pid 6077] <... openat resumed>) = 3 [pid 6076] <... write resumed>) = 18 [pid 6076] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6078] write(3, "1000", 4 [pid 6076] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 6078] <... write resumed>) = 4 [pid 6077] write(3, "1000", 4 [pid 6074] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6078] close(3 [pid 6077] <... write resumed>) = 4 [pid 6076] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6074] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6078] <... close resumed>) = 0 [pid 6077] close(3 [pid 6076] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6074] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6078] write(1, "executing program\n", 18 [pid 6076] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6074] <... mmap resumed>) = 0x7f0b13caf000 [pid 6076] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6074] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE) = 0 executing program [pid 6076] <... mmap resumed>) = 0x7f0b13caf000 [pid 6074] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6077] <... close resumed>) = 0 [pid 6074] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6078] <... write resumed>) = 18 [pid 6074] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 6078] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITEexecuting program [pid 6078] <... futex resumed>) = 0 [pid 6077] write(1, "executing program\n", 18 [pid 6076] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6079 attached [pid 6078] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 6076] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6079] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 6078] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6077] <... write resumed>) = 18 [pid 6074] <... clone3 resumed> => {parent_tid=[6079]}, 88) = 6079 [pid 6079] <... rseq resumed>) = 0 [pid 6078] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6077] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6074] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6078] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6077] <... futex resumed>) = 0 [pid 6074] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6078] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6077] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [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=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 6074] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6080 attached [pid 6078] <... mmap resumed>) = 0x7f0b13caf000 [pid 6077] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6074] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6079] set_robust_list(0x7f0b13ccf9a0, 24 [pid 6077] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6078] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 6076] <... clone3 resumed> => {parent_tid=[6080]}, 88) = 6080 [pid 6080] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 6079] <... set_robust_list resumed>) = 0 [pid 6078] <... mprotect resumed>) = 0 [pid 6077] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6076] rt_sigprocmask(SIG_SETMASK, [], [pid 6078] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6077] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6076] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6080] <... rseq resumed>) = 0 [pid 6079] rt_sigprocmask(SIG_SETMASK, [], [pid 6080] set_robust_list(0x7f0b13ccf9a0, 24 [pid 6079] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6077] <... mmap resumed>) = 0x7f0b13caf000 [pid 6076] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] <... set_robust_list resumed>) = 0 [pid 6079] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6077] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 6076] <... futex resumed>) = 0 [pid 6080] rt_sigprocmask(SIG_SETMASK, [], [pid 6077] <... mprotect resumed>) = 0 [pid 6080] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6076] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6080] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6078] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6077] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6077] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 6078] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0}./strace-static-x86_64: Process 6081 attached => {parent_tid=[6081]}, 88) = 6081 ./strace-static-x86_64: Process 6082 attached [pid 6081] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 6078] rt_sigprocmask(SIG_SETMASK, [], [pid 6082] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 6081] <... rseq resumed>) = 0 [pid 6077] <... clone3 resumed> => {parent_tid=[6082]}, 88) = 6082 [pid 6082] <... rseq resumed>) = 0 [pid 6081] set_robust_list(0x7f0b13ccf9a0, 24 [pid 6077] rt_sigprocmask(SIG_SETMASK, [], [pid 6082] set_robust_list(0x7f0b13ccf9a0, 24 [pid 6081] <... set_robust_list resumed>) = 0 [pid 6078] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6078] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6078] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6082] <... set_robust_list resumed>) = 0 [pid 6081] rt_sigprocmask(SIG_SETMASK, [], [pid 6077] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6069] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6082] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6077] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6077] <... futex resumed>) = 0 [pid 6077] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6081] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6081] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6074] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6076] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6078] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6078] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6077] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6075] <... unshare resumed>) = 0 [pid 6075] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] exit_group(0) = ? [pid 6075] <... futex resumed>) = ? [pid 6075] +++ exited with 0 +++ [pid 6069] +++ exited with 0 +++ [pid 5860] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6069, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5860] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5860] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555584010690) = 6084 ./strace-static-x86_64: Process 6084 attached [pid 6084] set_robust_list(0x5555840106a0, 24) = 0 [pid 6084] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6084] setpgid(0, 0) = 0 [pid 6084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6082] <... unshare resumed>) = 0 [pid 6080] <... unshare resumed>) = 0 [pid 6082] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6082] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6084] write(3, "1000", 4 [pid 6079] <... unshare resumed>) = 0 [pid 6077] exit_group(0 [pid 6080] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6079] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] <... futex resumed>) = 0 [pid 6079] <... futex resumed>) = 0 [pid 6080] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6079] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6084] <... write resumed>) = 4 [pid 6077] <... exit_group resumed>) = ? [pid 6082] <... futex resumed>) = ? [pid 6082] +++ exited with 0 +++ [pid 6074] exit_group(0) = ? [pid 6084] close(3 [pid 6079] <... futex resumed>) = ? [pid 6077] +++ exited with 0 +++ [pid 6084] <... close resumed>) = 0 [pid 6076] exit_group(0executing program [pid 6084] write(1, "executing program\n", 18 [pid 6076] <... exit_group resumed>) = ? [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6077, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6084] <... write resumed>) = 18 [pid 6084] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6080] <... futex resumed>) = ? [pid 6084] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 6079] +++ exited with 0 +++ [pid 6074] +++ exited with 0 +++ [pid 6084] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6084] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6080] +++ exited with 0 +++ [pid 6076] +++ exited with 0 +++ [pid 5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6074, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6084] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5854] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6088 attached [pid 6084] <... mmap resumed>) = 0x7f0b13caf000 [pid 6088] set_robust_list(0x5555840106a0, 24 [pid 6084] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 6088] <... set_robust_list resumed>) = 0 [pid 6084] <... mprotect resumed>) = 0 [pid 5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6076, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5853] restart_syscall(<... resuming interrupted clone ...> [pid 6088] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6084] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5856] <... clone resumed>, child_tidptr=0x555584010690) = 6088 [pid 6088] <... prctl resumed>) = 0 [pid 6084] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6088] setpgid(0, 0 [pid 6084] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 6088] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 6089 attached [pid 6088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6089] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 6088] <... openat resumed>) = 3 [pid 6089] <... rseq resumed>) = 0 [pid 6088] write(3, "1000", 4 [pid 6084] <... clone3 resumed> => {parent_tid=[6089]}, 88) = 6089 [pid 6089] set_robust_list(0x7f0b13ccf9a0, 24 [pid 6088] <... write resumed>) = 4 [pid 6084] rt_sigprocmask(SIG_SETMASK, [], [pid 5854] <... restart_syscall resumed>) = 0 [pid 6089] <... set_robust_list resumed>) = 0 [pid 6088] close(3 [pid 6084] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5853] <... restart_syscall resumed>) = 0 [pid 6089] rt_sigprocmask(SIG_SETMASK, [], [pid 6088] <... close resumed>) = 0 [pid 6084] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6089] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6088] write(1, "executing program\n", 18executing program [pid 6084] <... futex resumed>) = 0 [pid 6089] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6088] <... write resumed>) = 18 [pid 6084] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6088] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6090 attached ./strace-static-x86_64: Process 6091 attached ) = 0 [pid 5854] <... clone resumed>, child_tidptr=0x555584010690) = 6090 [pid 6088] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, NULL, 8) = 0 [pid 6088] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6088] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0b13caf000 [pid 5853] <... clone resumed>, child_tidptr=0x555584010690) = 6091 [pid 6088] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 6091] set_robust_list(0x5555840106a0, 24 [pid 6090] set_robust_list(0x5555840106a0, 24 [pid 6091] <... set_robust_list resumed>) = 0 [pid 6090] <... set_robust_list resumed>) = 0 [pid 6088] <... mprotect resumed>) = 0 [pid 6091] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6090] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6088] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6091] <... prctl resumed>) = 0 [pid 6090] <... prctl resumed>) = 0 [pid 6088] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6090] setpgid(0, 0 [pid 6088] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 6091] setpgid(0, 0 [pid 6090] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 6092 attached [pid 6090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6091] <... setpgid resumed>) = 0 [pid 6090] <... openat resumed>) = 3 [pid 6091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6088] <... clone3 resumed> => {parent_tid=[6092]}, 88) = 6092 [pid 6092] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053) = 0 [pid 6088] rt_sigprocmask(SIG_SETMASK, [], [pid 6090] write(3, "1000", 4 [pid 6092] set_robust_list(0x7f0b13ccf9a0, 24 [pid 6088] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6090] <... write resumed>) = 4 [pid 6092] <... set_robust_list resumed>) = 0 [pid 6092] rt_sigprocmask(SIG_SETMASK, [], [pid 6091] <... openat resumed>) = 3 [pid 6090] close(3 [pid 6088] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6092] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6088] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6092] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6084] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6090] <... close resumed>) = 0 executing program [pid 6090] write(1, "executing program\n", 18) = 18 [pid 6091] write(3, "1000", 4 [pid 6090] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6091] <... write resumed>) = 4 [pid 6090] <... futex resumed>) = 0 [pid 6091] close(3 [pid 6090] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 6091] <... close resumed>) = 0 [pid 6090] <... rt_sigaction resumed>NULL, 8) = 0 executing program [pid 6091] write(1, "executing program\n", 18 [pid 6090] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6091] <... write resumed>) = 18 [pid 6090] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6091] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6090] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6091] <... futex resumed>) = 0 [pid 6090] <... mmap resumed>) = 0x7f0b13caf000 [pid 6091] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 6090] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 6091] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6090] <... mprotect resumed>) = 0 [pid 6091] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6090] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6091] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6091] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6090] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6091] <... mmap resumed>) = 0x7f0b13caf000 [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=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0}./strace-static-x86_64: Process 6093 attached => {parent_tid=[6093]}, 88) = 6093 [pid 6090] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6090] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6093] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 6090] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6093] <... rseq resumed>) = 0 [pid 6093] set_robust_list(0x7f0b13ccf9a0, 24 [pid 6091] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 6093] <... set_robust_list resumed>) = 0 [pid 6091] <... mprotect resumed>) = 0 [pid 6093] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6093] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6091] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6091] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0}./strace-static-x86_64: Process 6094 attached [pid 6094] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 6091] <... clone3 resumed> => {parent_tid=[6094]}, 88) = 6094 [pid 6094] <... rseq resumed>) = 0 [pid 6091] rt_sigprocmask(SIG_SETMASK, [], [pid 6094] set_robust_list(0x7f0b13ccf9a0, 24 [pid 6091] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6091] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6091] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6094] <... set_robust_list resumed>) = 0 [pid 6094] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6094] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6088] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6090] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6091] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6081] <... unshare resumed>) = 0 [pid 6081] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6081] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6078] exit_group(0 [pid 6081] <... futex resumed>) = ? [pid 6078] <... exit_group resumed>) = ? [pid 6081] +++ exited with 0 +++ [pid 6078] +++ exited with 0 +++ [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6078, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6097 attached [pid 6097] set_robust_list(0x5555840106a0, 24) = 0 [pid 6097] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5858] <... clone resumed>, child_tidptr=0x555584010690) = 6097 [pid 6097] <... prctl resumed>) = 0 [pid 6097] setpgid(0, 0) = 0 [pid 6097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6097] write(3, "1000", 4) = 4 [pid 6097] close(3) = 0 [pid 6097] write(1, "executing program\n", 18) = 18 [pid 6097] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000executing program ) = 0 [pid 6097] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, NULL, 8) = 0 [pid 6097] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6097] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0b13caf000 [pid 6097] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6097] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6097] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0}./strace-static-x86_64: Process 6098 attached [pid 6098] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 6097] <... clone3 resumed> => {parent_tid=[6098]}, 88) = 6098 [pid 6098] <... rseq resumed>) = 0 [pid 6097] rt_sigprocmask(SIG_SETMASK, [], [pid 6098] set_robust_list(0x7f0b13ccf9a0, 24 [pid 6097] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6098] <... set_robust_list resumed>) = 0 [pid 6097] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] rt_sigprocmask(SIG_SETMASK, [], [pid 6097] <... futex resumed>) = 0 [pid 6098] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6097] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6098] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6093] <... unshare resumed>) = 0 [pid 6093] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6090] exit_group(0) = ? [pid 6093] <... futex resumed>) = ? [pid 6093] +++ exited with 0 +++ [pid 6090] +++ exited with 0 +++ [pid 6097] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6090, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5854] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6089] <... unshare resumed>) = 0 [pid 5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6089] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6101 attached ) = 0 [pid 6084] exit_group(0 [pid 6101] set_robust_list(0x5555840106a0, 24) = 0 [pid 6101] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6101] setpgid(0, 0 [pid 6084] <... exit_group resumed>) = ? [pid 5854] <... clone resumed>, child_tidptr=0x555584010690) = 6101 [pid 6101] <... setpgid resumed>) = 0 [pid 6101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6089] +++ exited with 0 +++ [pid 6084] +++ exited with 0 +++ [pid 5860] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6084, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6101] <... openat resumed>) = 3 [pid 6101] write(3, "1000", 4executing program ) = 4 [pid 5860] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6101] close(3) = 0 ./strace-static-x86_64: Process 6103 attached [pid 6101] write(1, "executing program\n", 18 [pid 6103] set_robust_list(0x5555840106a0, 24 [pid 6101] <... write resumed>) = 18 [pid 6101] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5860] <... clone resumed>, child_tidptr=0x555584010690) = 6103 [pid 6101] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, NULL, 8) = 0 [pid 6101] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6101] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0b13caf000 [pid 6101] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6101] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6103] <... set_robust_list resumed>) = 0 [pid 6092] <... unshare resumed>) = 0 [pid 6101] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0}./strace-static-x86_64: Process 6105 attached [pid 6092] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6103] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6092] <... futex resumed>) = 0 [pid 6088] exit_group(0 [pid 6105] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 6101] <... clone3 resumed> => {parent_tid=[6105]}, 88) = 6105 [pid 6105] <... rseq resumed>) = 0 [pid 6101] rt_sigprocmask(SIG_SETMASK, [], [pid 6092] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6105] set_robust_list(0x7f0b13ccf9a0, 24 [pid 6101] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6105] <... set_robust_list resumed>) = 0 [pid 6101] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6105] rt_sigprocmask(SIG_SETMASK, [], [pid 6103] <... prctl resumed>) = 0 [pid 6101] <... futex resumed>) = 0 [pid 6092] <... futex resumed>) = ? [pid 6088] <... exit_group resumed>) = ? [pid 6092] +++ exited with 0 +++ [pid 6105] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6101] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6105] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6103] setpgid(0, 0 [pid 6088] +++ exited with 0 +++ [pid 6094] <... unshare resumed>) = 0 [pid 6103] <... setpgid resumed>) = 0 [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6088, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 6103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5856] restart_syscall(<... resuming interrupted clone ...> [pid 6103] <... openat resumed>) = 3 [pid 6094] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6103] write(3, "1000", 4 [pid 5856] <... restart_syscall resumed>) = 0 [pid 6091] exit_group(0) = ? [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6094] <... futex resumed>) = ? [pid 6094] +++ exited with 0 +++ [pid 6091] +++ exited with 0 +++ [pid 5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6091, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5853] restart_syscall(<... resuming interrupted clone ...> [pid 6103] <... write resumed>) = 4 [pid 6103] close(3 [pid 5856] <... clone resumed>, child_tidptr=0x555584010690) = 6106 [pid 5853] <... restart_syscall resumed>) = 0 [pid 6103] <... close resumed>) = 0 [pid 6103] write(1, "executing program\n", 18./strace-static-x86_64: Process 6106 attached [pid 5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program ./strace-static-x86_64: Process 6107 attached [pid 6106] set_robust_list(0x5555840106a0, 24 [pid 5853] <... clone resumed>, child_tidptr=0x555584010690) = 6107 [pid 6106] <... set_robust_list resumed>) = 0 [pid 6107] set_robust_list(0x5555840106a0, 24 [pid 6106] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6103] <... write resumed>) = 18 [pid 6107] <... set_robust_list resumed>) = 0 [pid 6103] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6107] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6106] <... prctl resumed>) = 0 [pid 6103] <... futex resumed>) = 0 [pid 6103] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 6107] <... prctl resumed>) = 0 [pid 6106] setpgid(0, 0 [pid 6103] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6107] setpgid(0, 0 [pid 6106] <... setpgid resumed>) = 0 [pid 6103] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6107] <... setpgid resumed>) = 0 [pid 6106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6101] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6098] <... unshare resumed>) = 0 [pid 6107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6103] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6106] <... openat resumed>) = 3 [pid 6103] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 executing program [pid 6107] <... openat resumed>) = 3 [pid 6106] write(3, "1000", 4 [pid 6103] <... mmap resumed>) = 0x7f0b13caf000 [pid 6098] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6106] <... write resumed>) = 4 [pid 6098] <... futex resumed>) = 0 [pid 6106] close(3 [pid 6098] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6107] write(3, "1000", 4 [pid 6106] <... close resumed>) = 0 [pid 6106] write(1, "executing program\n", 18 [pid 6107] <... write resumed>) = 4 [pid 6106] <... write resumed>) = 18 [pid 6107] close(3 [pid 6106] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6107] <... close resumed>) = 0 [pid 6106] <... futex resumed>) = 0 [pid 6103] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 6107] write(1, "executing program\n", 18 [pid 6106] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 6103] <... mprotect resumed>) = 0 executing program [pid 6107] <... write resumed>) = 18 [pid 6106] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6097] exit_group(0 [pid 6107] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6106] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6097] <... exit_group resumed>) = ? [pid 6107] <... futex resumed>) = 0 [pid 6106] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6103] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6098] <... futex resumed>) = ? [pid 6107] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 6106] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6103] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6107] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6106] <... mmap resumed>) = 0x7f0b13caf000 [pid 6107] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6106] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 6103] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 6098] +++ exited with 0 +++ [pid 6097] +++ exited with 0 +++ [pid 6107] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6106] <... mprotect resumed>) = 0 [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6097, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6107] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6106] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5858] restart_syscall(<... resuming interrupted clone ...> [pid 6107] <... mmap resumed>) = 0x7f0b13caf000 [pid 6106] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5858] <... restart_syscall resumed>) = 0 [pid 6107] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 6106] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0}./strace-static-x86_64: Process 6110 attached ./strace-static-x86_64: Process 6109 attached [pid 6107] <... mprotect resumed>) = 0 [pid 6107] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6106] <... clone3 resumed> => {parent_tid=[6110]}, 88) = 6110 [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6111 attached [pid 6107] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6106] rt_sigprocmask(SIG_SETMASK, [], [pid 5858] <... clone resumed>, child_tidptr=0x555584010690) = 6111 [pid 6103] <... clone3 resumed> => {parent_tid=[6109]}, 88) = 6109 [pid 6109] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 6107] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 6106] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6103] rt_sigprocmask(SIG_SETMASK, [], [pid 6110] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 6111] set_robust_list(0x5555840106a0, 24./strace-static-x86_64: Process 6112 attached ) = 0 [pid 6110] <... rseq resumed>) = 0 [pid 6109] <... rseq resumed>) = 0 [pid 6106] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6103] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6112] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 6111] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6110] set_robust_list(0x7f0b13ccf9a0, 24 [pid 6109] set_robust_list(0x7f0b13ccf9a0, 24 [pid 6107] <... clone3 resumed> => {parent_tid=[6112]}, 88) = 6112 [pid 6106] <... futex resumed>) = 0 [pid 6103] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] <... rseq resumed>) = 0 [pid 6110] <... set_robust_list resumed>) = 0 [pid 6109] <... set_robust_list resumed>) = 0 [pid 6107] rt_sigprocmask(SIG_SETMASK, [], [pid 6106] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6103] <... futex resumed>) = 0 [pid 6107] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6107] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6107] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6103] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6112] set_robust_list(0x7f0b13ccf9a0, 24 [pid 6111] <... prctl resumed>) = 0 [pid 6110] rt_sigprocmask(SIG_SETMASK, [], [pid 6109] rt_sigprocmask(SIG_SETMASK, [], [pid 6112] <... set_robust_list resumed>) = 0 [pid 6111] setpgid(0, 0 [pid 6110] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6109] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6112] rt_sigprocmask(SIG_SETMASK, [], [pid 6111] <... setpgid resumed>) = 0 [pid 6110] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6109] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6112] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6112] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6111] write(3, "1000", 4) = 4 [pid 6111] close(3) = 0 executing program [pid 6111] write(1, "executing program\n", 18) = 18 [pid 6111] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6111] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, NULL, 8) = 0 [pid 6111] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6111] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0b13caf000 [pid 6111] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6111] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6103] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6111] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 6107] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6106] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 6113 attached [pid 6111] <... clone3 resumed> => {parent_tid=[6113]}, 88) = 6113 [pid 6113] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053) = 0 [pid 6111] rt_sigprocmask(SIG_SETMASK, [], [pid 6113] set_robust_list(0x7f0b13ccf9a0, 24 [pid 6111] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6113] <... set_robust_list resumed>) = 0 [pid 6111] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6113] rt_sigprocmask(SIG_SETMASK, [], [pid 6111] <... futex resumed>) = 0 [pid 6113] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6113] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6111] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6105] <... unshare resumed>) = 0 [pid 6105] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6105] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6101] exit_group(0) = ? [pid 6105] <... futex resumed>) = ? [pid 6105] +++ exited with 0 +++ [pid 6101] +++ exited with 0 +++ [pid 5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6101, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5854] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555584010690) = 6115 ./strace-static-x86_64: Process 6115 attached [pid 6115] set_robust_list(0x5555840106a0, 24) = 0 [pid 6115] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6115] setpgid(0, 0) = 0 [pid 6115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6109] <... unshare resumed>) = 0 [pid 6115] <... openat resumed>) = 3 [pid 6112] <... unshare resumed>) = 0 [pid 6110] <... unshare resumed>) = 0 [pid 6109] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6115] write(3, "1000", 4 [pid 6112] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] <... futex resumed>) = 0 [pid 6107] exit_group(0 [pid 6106] exit_group(0 [pid 6103] exit_group(0 [pid 6115] <... write resumed>) = 4 [pid 6112] <... futex resumed>) = ? [pid 6110] <... futex resumed>) = ? [pid 6107] <... exit_group resumed>) = ? [pid 6106] <... exit_group resumed>) = ? [pid 6103] <... exit_group resumed>) = ? [pid 6115] close(3 [pid 6112] +++ exited with 0 +++ [pid 6110] +++ exited with 0 +++ [pid 6109] +++ exited with 0 +++ [pid 6107] +++ exited with 0 +++ [pid 6103] +++ exited with 0 +++ [pid 6115] <... close resumed>) = 0 executing program [pid 6115] write(1, "executing program\n", 18 [pid 5860] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6103, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6107, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6115] <... write resumed>) = 18 [pid 5860] restart_syscall(<... resuming interrupted clone ...> [pid 5853] restart_syscall(<... resuming interrupted clone ...> [pid 6115] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6115] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, 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) = 0x7f0b13caf000 [pid 6115] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 6106] +++ exited with 0 +++ [pid 5860] <... restart_syscall resumed>) = 0 [pid 5853] <... restart_syscall resumed>) = 0 [pid 6115] <... mprotect resumed>) = 0 [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6106, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6115] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6113] <... unshare resumed>) = 0 [pid 6115] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5860] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6121 attached [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=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 6113] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6120 attached [pid 6113] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6122 attached [pid 6121] set_robust_list(0x5555840106a0, 24 [pid 6113] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6120] set_robust_list(0x5555840106a0, 24 [pid 6122] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 6121] <... set_robust_list resumed>) = 0 [pid 6120] <... set_robust_list resumed>) = 0 [pid 6115] <... clone3 resumed> => {parent_tid=[6122]}, 88) = 6122 [pid 5860] <... clone resumed>, child_tidptr=0x555584010690) = 6120 [pid 5853] <... clone resumed>, child_tidptr=0x555584010690) = 6121 [pid 6122] <... rseq resumed>) = 0 [pid 6121] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6115] rt_sigprocmask(SIG_SETMASK, [], [pid 6111] exit_group(0 [pid 6113] <... futex resumed>) = ? [pid 6111] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6123 attached [pid 6122] set_robust_list(0x7f0b13ccf9a0, 24 [pid 6121] <... prctl resumed>) = 0 [pid 6120] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6115] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6113] +++ exited with 0 +++ [pid 6111] +++ exited with 0 +++ [pid 6122] <... set_robust_list resumed>) = 0 [pid 6121] setpgid(0, 0 [pid 6115] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6122] rt_sigprocmask(SIG_SETMASK, [], [pid 6121] <... setpgid resumed>) = 0 [pid 6115] <... futex resumed>) = 0 [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6111, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6122] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6115] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5856] <... clone resumed>, child_tidptr=0x555584010690) = 6123 [pid 6122] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6120] <... prctl resumed>) = 0 [pid 6123] set_robust_list(0x5555840106a0, 24 [pid 6121] <... openat resumed>) = 3 [pid 6123] <... set_robust_list resumed>) = 0 [pid 6120] setpgid(0, 0 [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6124 attached [pid 6123] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6120] <... setpgid resumed>) = 0 [pid 6123] <... prctl resumed>) = 0 [pid 6124] set_robust_list(0x5555840106a0, 24 [pid 6123] setpgid(0, 0 [pid 6121] write(3, "1000", 4 [pid 6120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6124] <... set_robust_list resumed>) = 0 [pid 6123] <... setpgid resumed>) = 0 [pid 6121] <... write resumed>) = 4 [pid 6120] <... openat resumed>) = 3 [pid 6124] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6121] close(3 [pid 6120] write(3, "1000", 4 [pid 6124] <... prctl resumed>) = 0 [pid 6123] <... openat resumed>) = 3 [pid 6121] <... close resumed>) = 0 [pid 6120] <... write resumed>) = 4 executing program executing program [pid 5858] <... clone resumed>, child_tidptr=0x555584010690) = 6124 [pid 6124] setpgid(0, 0 [pid 6123] write(3, "1000", 4 [pid 6121] write(1, "executing program\n", 18 [pid 6120] close(3 [pid 6124] <... setpgid resumed>) = 0 [pid 6121] <... write resumed>) = 18 [pid 6121] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] <... close resumed>) = 0 [pid 6121] <... futex resumed>) = 0 [pid 6121] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 6124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6121] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6120] write(1, "executing program\n", 18executing program executing program [pid 6123] <... write resumed>) = 4 [pid 6120] <... write resumed>) = 18 [pid 6124] <... openat resumed>) = 3 [pid 6123] close(3 [pid 6121] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6120] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6124] write(3, "1000", 4 [pid 6123] <... close resumed>) = 0 [pid 6121] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6120] <... futex resumed>) = 0 [pid 6123] write(1, "executing program\n", 18 [pid 6121] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6120] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 6123] <... write resumed>) = 18 [pid 6121] <... mmap resumed>) = 0x7f0b13caf000 [pid 6120] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6124] <... write resumed>) = 4 [pid 6123] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6124] close(3 [pid 6123] <... futex resumed>) = 0 [pid 6120] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6124] <... close resumed>) = 0 [pid 6123] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 6120] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6124] write(1, "executing program\n", 18 [pid 6123] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6124] <... write resumed>) = 18 [pid 6120] <... mmap resumed>) = 0x7f0b13caf000 [pid 6123] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6124] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6123] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6120] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 6123] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0b13caf000 [pid 6121] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 6120] <... mprotect resumed>) = 0 [pid 6124] <... futex resumed>) = 0 [pid 6123] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 6121] <... mprotect resumed>) = 0 [pid 6124] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 6123] <... mprotect resumed>) = 0 [pid 6121] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6120] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6124] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6121] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6124] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6123] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6121] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 6120] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6124] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6123] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6120] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0}./strace-static-x86_64: Process 6125 attached [pid 6124] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6123] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 6121] <... clone3 resumed> => {parent_tid=[6125]}, 88) = 6125 ./strace-static-x86_64: Process 6127 attached ./strace-static-x86_64: Process 6126 attached [pid 6125] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 6124] <... mmap resumed>) = 0x7f0b13caf000 [pid 6121] rt_sigprocmask(SIG_SETMASK, [], [pid 6126] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 6124] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 6123] <... clone3 resumed> => {parent_tid=[6127]}, 88) = 6127 [pid 6121] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6120] <... clone3 resumed> => {parent_tid=[6126]}, 88) = 6126 [pid 6121] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6121] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6123] rt_sigprocmask(SIG_SETMASK, [], [pid 6124] <... mprotect resumed>) = 0 [pid 6123] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6120] rt_sigprocmask(SIG_SETMASK, [], [pid 6124] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6120] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6123] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 6126] <... rseq resumed>) = 0 [pid 6125] <... rseq resumed>) = 0 [pid 6123] <... futex resumed>) = 0 [pid 6127] <... rseq resumed>) = 0 [pid 6126] set_robust_list(0x7f0b13ccf9a0, 24 [pid 6125] set_robust_list(0x7f0b13ccf9a0, 24 [pid 6124] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6123] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6120] <... futex resumed>) = 0 [pid 6126] <... set_robust_list resumed>) = 0 [pid 6125] <... set_robust_list resumed>) = 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=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 6120] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6128 attached [pid 6127] set_robust_list(0x7f0b13ccf9a0, 24 [pid 6126] rt_sigprocmask(SIG_SETMASK, [], [pid 6125] rt_sigprocmask(SIG_SETMASK, [], [pid 6128] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 6127] <... set_robust_list resumed>) = 0 [pid 6126] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6125] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6124] <... clone3 resumed> => {parent_tid=[6128]}, 88) = 6128 [pid 6128] <... rseq resumed>) = 0 [pid 6127] rt_sigprocmask(SIG_SETMASK, [], [pid 6126] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6125] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6124] rt_sigprocmask(SIG_SETMASK, [], [pid 6128] set_robust_list(0x7f0b13ccf9a0, 24) = 0 [pid 6128] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6128] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6115] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6127] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6124] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6127] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6124] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6128] <... futex resumed>) = 0 [pid 6124] <... futex resumed>) = 1 [pid 6128] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6124] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6121] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6120] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6123] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6124] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6122] <... unshare resumed>) = 0 [pid 6122] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6115] exit_group(0) = ? [pid 6122] <... futex resumed>) = ? [pid 6122] +++ exited with 0 +++ [pid 6115] +++ exited with 0 +++ [pid 6128] <... unshare resumed>) = 0 [pid 5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6115, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6131 attached , child_tidptr=0x555584010690) = 6131 [pid 6131] set_robust_list(0x5555840106a0, 24 [pid 6128] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] <... set_robust_list resumed>) = 0 [pid 6131] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6128] <... futex resumed>) = 0 [pid 6131] <... prctl resumed>) = 0 [pid 6124] exit_group(0 [pid 6131] setpgid(0, 0) = 0 [pid 6128] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6124] <... exit_group resumed>) = ? [pid 6128] <... futex resumed>) = ? [pid 6128] +++ exited with 0 +++ [pid 6124] +++ exited with 0 +++ [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6124, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5858] restart_syscall(<... resuming interrupted clone ...> [pid 6131] <... openat resumed>) = 3 [pid 6131] write(3, "1000", 4) = 4 executing program [pid 6131] close(3) = 0 [pid 6131] write(1, "executing program\n", 18) = 18 [pid 6131] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5858] <... restart_syscall resumed>) = 0 [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6131] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, NULL, 8) = 0 [pid 6131] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5858] <... clone resumed>, child_tidptr=0x555584010690) = 6132 ./strace-static-x86_64: Process 6132 attached [pid 6131] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6132] set_robust_list(0x5555840106a0, 24 [pid 6131] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0b13caf000 [pid 6132] <... set_robust_list resumed>) = 0 [pid 6132] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6132] setpgid(0, 0) = 0 [pid 6132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6131] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 6132] <... openat resumed>) = 3 [pid 6132] write(3, "1000", 4) = 4 [pid 6132] close(3executing program [pid 6131] <... mprotect resumed>) = 0 [pid 6132] <... close resumed>) = 0 [pid 6132] write(1, "executing program\n", 18) = 18 [pid 6132] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6132] <... futex resumed>) = 0 [pid 6132] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, NULL, 8) = 0 [pid 6132] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6132] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0b13caf000 [pid 6132] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6132] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6131] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6132] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6131] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [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=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} => {parent_tid=[6133]}, 88) = 6133 ./strace-static-x86_64: Process 6134 attached ./strace-static-x86_64: Process 6133 attached [pid 6132] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6132] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6132] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6133] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053) = 0 [pid 6134] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053) = 0 [pid 6133] set_robust_list(0x7f0b13ccf9a0, 24 [pid 6131] <... clone3 resumed> => {parent_tid=[6134]}, 88) = 6134 [pid 6133] <... set_robust_list resumed>) = 0 [pid 6131] rt_sigprocmask(SIG_SETMASK, [], [pid 6134] set_robust_list(0x7f0b13ccf9a0, 24 [pid 6133] rt_sigprocmask(SIG_SETMASK, [], [pid 6134] <... set_robust_list resumed>) = 0 [pid 6134] rt_sigprocmask(SIG_SETMASK, [], [pid 6131] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6133] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6134] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6131] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6134] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6133] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6131] <... futex resumed>) = 0 [pid 6131] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6125] <... unshare resumed>) = 0 [pid 6126] <... unshare resumed>) = 0 [pid 6125] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6125] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6121] exit_group(0 [pid 6125] <... futex resumed>) = ? [pid 6121] <... exit_group resumed>) = ? [pid 6125] +++ exited with 0 +++ [pid 6126] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6126] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6120] exit_group(0 [pid 6126] <... futex resumed>) = ? [pid 6121] +++ exited with 0 +++ [pid 6120] <... exit_group resumed>) = ? [pid 6126] +++ exited with 0 +++ [pid 6120] +++ exited with 0 +++ [pid 5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6121, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5860] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6120, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6132] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 6137 attached [pid 6137] set_robust_list(0x5555840106a0, 24) = 0 [pid 6137] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5860] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6137] setpgid(0, 0) = 0 [pid 6137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6137] write(3, "1000", 4) = 4 [pid 6137] close(3./strace-static-x86_64: Process 6138 attached ) = 0 executing program [pid 6137] write(1, "executing program\n", 18) = 18 [pid 6137] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5860] <... clone resumed>, child_tidptr=0x555584010690) = 6138 [pid 6137] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, NULL, 8) = 0 [pid 6137] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6138] set_robust_list(0x5555840106a0, 24 [pid 6137] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6138] <... set_robust_list resumed>) = 0 [pid 6131] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6138] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6137] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6138] <... prctl resumed>) = 0 [pid 6137] <... mmap resumed>) = 0x7f0b13caf000 [pid 5853] <... clone resumed>, child_tidptr=0x555584010690) = 6137 [pid 6138] setpgid(0, 0 [pid 6137] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 6138] <... setpgid resumed>) = 0 [pid 6137] <... mprotect resumed>) = 0 [pid 6138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6137] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6138] <... openat resumed>) = 3 [pid 6137] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0}./strace-static-x86_64: Process 6139 attached [pid 6138] write(3, "1000", 4) = 4 [pid 6139] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 6138] close(3 [pid 6137] <... clone3 resumed> => {parent_tid=[6139]}, 88) = 6139 [pid 6139] <... rseq resumed>) = 0 [pid 6138] <... close resumed>) = 0 [pid 6137] rt_sigprocmask(SIG_SETMASK, [], [pid 6139] set_robust_list(0x7f0b13ccf9a0, 24 [pid 6138] write(1, "executing program\n", 18 [pid 6137] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 6137] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6137] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6138] <... write resumed>) = 18 [pid 6138] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6139] <... set_robust_list resumed>) = 0 [pid 6139] rt_sigprocmask(SIG_SETMASK, [], [pid 6138] <... futex resumed>) = 0 [pid 6139] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6138] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 6139] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6138] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6138] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6127] <... unshare resumed>) = 0 [pid 6138] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0b13caf000 [pid 6138] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6138] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6127] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6138] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 6127] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6141 attached [pid 6127] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6141] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 6138] <... clone3 resumed> => {parent_tid=[6141]}, 88) = 6141 [pid 6141] <... rseq resumed>) = 0 [pid 6138] rt_sigprocmask(SIG_SETMASK, [], [pid 6123] exit_group(0 [pid 6141] set_robust_list(0x7f0b13ccf9a0, 24 [pid 6138] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6127] <... futex resumed>) = ? [pid 6123] <... exit_group resumed>) = ? [pid 6141] <... set_robust_list resumed>) = 0 [pid 6138] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] +++ exited with 0 +++ [pid 6141] rt_sigprocmask(SIG_SETMASK, [], [pid 6138] <... futex resumed>) = 0 [pid 6141] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6138] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6141] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6123] +++ exited with 0 +++ [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6123, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6137] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5856] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555584010690) = 6142 ./strace-static-x86_64: Process 6142 attached [pid 6142] set_robust_list(0x5555840106a0, 24) = 0 [pid 6142] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6142] setpgid(0, 0) = 0 [pid 6142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6142] write(3, "1000", 4) = 4 [pid 6142] close(3) = 0 [pid 6142] write(1, "executing program\n", 18executing program ) = 18 [pid 6142] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6138] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6133] <... unshare resumed>) = 0 [pid 6142] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, NULL, 8) = 0 [pid 6133] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6132] exit_group(0 [pid 6142] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6132] <... exit_group resumed>) = ? [pid 6142] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0b13caf000 [pid 6133] <... futex resumed>) = ? [pid 6142] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 6133] +++ exited with 0 +++ [pid 6132] +++ exited with 0 +++ [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6132, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5858] restart_syscall(<... resuming interrupted clone ...> [pid 6142] <... mprotect resumed>) = 0 [pid 6142] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6134] <... unshare resumed>) = 0 [pid 5858] <... restart_syscall resumed>) = 0 [pid 6142] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6134] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] exit_group(0 [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=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 6134] <... futex resumed>) = ? [pid 6131] <... exit_group resumed>) = ? [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6145 attached [pid 6142] <... clone3 resumed> => {parent_tid=[6145]}, 88) = 6145 [pid 6134] +++ exited with 0 +++ ./strace-static-x86_64: Process 6146 attached [pid 6145] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 6142] rt_sigprocmask(SIG_SETMASK, [], [pid 6131] +++ exited with 0 +++ [pid 6145] <... rseq resumed>) = 0 [pid 6142] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6131, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6145] set_robust_list(0x7f0b13ccf9a0, 24 [pid 6142] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6145] <... set_robust_list resumed>) = 0 [pid 6142] <... futex resumed>) = 0 [pid 6145] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6145] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6142] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6146] set_robust_list(0x5555840106a0, 24 [pid 5858] <... clone resumed>, child_tidptr=0x555584010690) = 6146 [pid 6146] <... set_robust_list resumed>) = 0 [pid 6146] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6146] setpgid(0, 0) = 0 [pid 6146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6146] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6147 attached [pid 6139] <... unshare resumed>) = 0 [pid 6147] set_robust_list(0x5555840106a0, 24 [pid 6139] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] <... clone resumed>, child_tidptr=0x555584010690) = 6147 [pid 6147] <... set_robust_list resumed>) = 0 [pid 6146] write(3, "1000", 4 [pid 6139] <... futex resumed>) = 0 [pid 6147] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6146] <... write resumed>) = 4 executing program [pid 6137] exit_group(0) = ? [pid 6146] close(3) = 0 [pid 6146] write(1, "executing program\n", 18) = 18 [pid 6146] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6146] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, NULL, 8) = 0 [pid 6146] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6146] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0b13caf000 [pid 6146] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6146] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6146] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} => {parent_tid=[6149]}, 88) = 6149 [pid 6146] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6146] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6146] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6149 attached [pid 6147] <... prctl resumed>) = 0 [pid 6149] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 6139] +++ exited with 0 +++ [pid 6149] <... rseq resumed>) = 0 [pid 6137] +++ exited with 0 +++ [pid 6147] setpgid(0, 0 [pid 5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6137, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5853] restart_syscall(<... resuming interrupted clone ...> [pid 6149] set_robust_list(0x7f0b13ccf9a0, 24 [pid 6147] <... setpgid resumed>) = 0 [pid 6149] <... set_robust_list resumed>) = 0 [pid 6149] rt_sigprocmask(SIG_SETMASK, [], [pid 6147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6149] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6149] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6147] <... openat resumed>) = 3 [pid 6141] <... unshare resumed>) = 0 [pid 5853] <... restart_syscall resumed>) = 0 [pid 6141] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6141] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6147] write(3, "1000", 4 [pid 6142] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6138] exit_group(0./strace-static-x86_64: Process 6151 attached [pid 6147] <... write resumed>) = 4 [pid 6141] <... futex resumed>) = ? [pid 6138] <... exit_group resumed>) = ? [pid 6141] +++ exited with 0 +++ [pid 6138] +++ exited with 0 +++ [pid 5860] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6138, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5860] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6152 attached [pid 6147] close(3executing program [pid 6151] set_robust_list(0x5555840106a0, 24 [pid 6147] <... close resumed>) = 0 [pid 6147] write(1, "executing program\n", 18 [pid 6152] set_robust_list(0x5555840106a0, 24 [pid 6151] <... set_robust_list resumed>) = 0 [pid 6147] <... write resumed>) = 18 [pid 5860] <... clone resumed>, child_tidptr=0x555584010690) = 6152 [pid 6151] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6147] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] <... set_robust_list resumed>) = 0 [pid 6147] <... futex resumed>) = 0 [pid 6152] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6151] <... prctl resumed>) = 0 [pid 6147] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 6152] <... prctl resumed>) = 0 [pid 6151] setpgid(0, 0 [pid 6147] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6152] setpgid(0, 0 [pid 6151] <... setpgid resumed>) = 0 [pid 6147] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5853] <... clone resumed>, child_tidptr=0x555584010690) = 6151 [pid 6152] <... setpgid resumed>) = 0 [pid 6151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6147] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6152] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6151] <... openat resumed>) = 3 [pid 6147] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6151] write(3, "1000", 4 [pid 6147] <... mmap resumed>) = 0x7f0b13caf000 [pid 6152] <... openat resumed>) = 3 [pid 6151] <... write resumed>) = 4 [pid 6147] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 6152] write(3, "1000", 4 [pid 6151] close(3 [pid 6147] <... mprotect resumed>) = 0 [pid 6146] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6152] <... write resumed>) = 4 [pid 6151] <... close resumed>) = 0 [pid 6147] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6152] close(3executing program [pid 6151] write(1, "executing program\n", 18 [pid 6147] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6152] <... close resumed>) = 0 [pid 6151] <... write resumed>) = 18 [pid 6147] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0}executing program ./strace-static-x86_64: Process 6153 attached [pid 6152] write(1, "executing program\n", 18 [pid 6151] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 6152] <... write resumed>) = 18 [pid 6151] <... futex resumed>) = 0 [pid 6147] <... clone3 resumed> => {parent_tid=[6153]}, 88) = 6153 [pid 6153] <... rseq resumed>) = 0 [pid 6152] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6151] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 6147] rt_sigprocmask(SIG_SETMASK, [], [pid 6153] set_robust_list(0x7f0b13ccf9a0, 24 [pid 6152] <... futex resumed>) = 0 [pid 6151] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6147] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6153] <... set_robust_list resumed>) = 0 [pid 6152] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 6151] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6147] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] rt_sigprocmask(SIG_SETMASK, [], [pid 6152] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6151] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6153] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6152] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6151] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6147] <... futex resumed>) = 0 [pid 6153] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6152] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6151] <... mmap resumed>) = 0x7f0b13caf000 [pid 6147] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6152] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6151] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 6152] <... mmap resumed>) = 0x7f0b13caf000 [pid 6151] <... mprotect resumed>) = 0 [pid 6152] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 6151] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6152] <... mprotect resumed>) = 0 [pid 6151] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6152] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6151] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0}./strace-static-x86_64: Process 6154 attached [pid 6152] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6154] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 6152] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 6151] <... clone3 resumed> => {parent_tid=[6154]}, 88) = 6154 [pid 6151] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6151] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6151] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6155 attached [pid 6154] <... rseq resumed>) = 0 [pid 6154] set_robust_list(0x7f0b13ccf9a0, 24 [pid 6152] <... clone3 resumed> => {parent_tid=[6155]}, 88) = 6155 [pid 6154] <... set_robust_list resumed>) = 0 [pid 6152] rt_sigprocmask(SIG_SETMASK, [], [pid 6154] rt_sigprocmask(SIG_SETMASK, [], [pid 6152] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6154] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6152] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6152] <... futex resumed>) = 0 [pid 6155] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 6152] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6155] <... rseq resumed>) = 0 [pid 6155] set_robust_list(0x7f0b13ccf9a0, 24) = 0 [pid 6155] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6155] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6147] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6151] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6152] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6145] <... unshare resumed>) = 0 [pid 6145] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6145] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6142] exit_group(0 [pid 6145] <... futex resumed>) = ? [pid 6142] <... exit_group resumed>) = ? [pid 6145] +++ exited with 0 +++ [pid 6142] +++ exited with 0 +++ [pid 5856] --- 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 5856] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6157 attached [pid 6157] set_robust_list(0x5555840106a0, 24 [pid 5856] <... clone resumed>, child_tidptr=0x555584010690) = 6157 [pid 6157] <... set_robust_list resumed>) = 0 [pid 6157] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6157] setpgid(0, 0) = 0 [pid 6157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6157] write(3, "1000", 4) = 4 [pid 6157] close(3) = 0 [pid 6157] write(1, "executing program\n", 18executing program ) = 18 [pid 6157] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6157] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, NULL, 8) = 0 [pid 6157] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6157] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0b13caf000 [pid 6157] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6157] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6157] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0}./strace-static-x86_64: Process 6158 attached [pid 6158] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 6157] <... clone3 resumed> => {parent_tid=[6158]}, 88) = 6158 [pid 6158] <... rseq resumed>) = 0 [pid 6158] set_robust_list(0x7f0b13ccf9a0, 24) = 0 [pid 6158] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6158] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6157] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6157] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] <... futex resumed>) = 0 [pid 6157] <... futex resumed>) = 1 [pid 6158] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6157] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6147] exit_group(0) = ? [pid 6146] exit_group(0) = ? [pid 6155] <... unshare resumed>) = 0 [pid 6154] <... unshare resumed>) = 0 [pid 6155] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] exit_group(0 [pid 6154] <... futex resumed>) = 0 [pid 6151] exit_group(0 [pid 6154] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6155] <... futex resumed>) = ? [pid 6154] <... futex resumed>) = ? [pid 6152] <... exit_group resumed>) = ? [pid 6151] <... exit_group resumed>) = ? [pid 6155] +++ exited with 0 +++ [pid 6154] +++ exited with 0 +++ [pid 6152] +++ exited with 0 +++ [pid 6151] +++ exited with 0 +++ [pid 5860] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6152, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5860] restart_syscall(<... resuming interrupted clone ...> [pid 5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6151, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5853] restart_syscall(<... resuming interrupted clone ...> [pid 5860] <... restart_syscall resumed>) = 0 [pid 5853] <... restart_syscall resumed>) = 0 [pid 5860] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6162 attached ./strace-static-x86_64: Process 6163 attached [pid 6162] set_robust_list(0x5555840106a0, 24 [pid 6163] set_robust_list(0x5555840106a0, 24 [pid 5860] <... clone resumed>, child_tidptr=0x555584010690) = 6162 [pid 6163] <... set_robust_list resumed>) = 0 [pid 5853] <... clone resumed>, child_tidptr=0x555584010690) = 6163 [pid 6162] <... set_robust_list resumed>) = 0 [pid 6163] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6162] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6163] setpgid(0, 0 [pid 6162] <... prctl resumed>) = 0 [pid 6163] <... setpgid resumed>) = 0 [pid 6163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6162] setpgid(0, 0 [pid 6163] <... openat resumed>) = 3 [pid 6162] <... setpgid resumed>) = 0 [pid 6163] write(3, "1000", 4) = 4 [pid 6162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 6163] close(3) = 0 [pid 6163] write(1, "executing program\n", 18) = 18 [pid 6163] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] <... openat resumed>) = 3 [pid 6163] <... futex resumed>) = 0 [pid 6163] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, [pid 6162] write(3, "1000", 4 [pid 6163] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6163] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6162] <... write resumed>) = 4 [pid 6163] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6162] close(3executing program [pid 6163] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6162] <... close resumed>) = 0 [pid 6162] write(1, "executing program\n", 18 [pid 6163] <... mmap resumed>) = 0x7f0b13caf000 [pid 6163] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 6162] <... write resumed>) = 18 [pid 6163] <... mprotect resumed>) = 0 [pid 6162] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6163] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6162] <... futex resumed>) = 0 [pid 6162] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, NULL, 8) = 0 [pid 6163] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6162] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [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=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} [pid 6162] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6162] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 6164 attached ) = 0x7f0b13caf000 [pid 6163] <... clone3 resumed> => {parent_tid=[6164]}, 88) = 6164 [pid 6162] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE [pid 6163] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6162] <... mprotect resumed>) = 0 [pid 6163] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6164] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 6163] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6162] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6164] <... rseq resumed>) = 0 [pid 6164] set_robust_list(0x7f0b13ccf9a0, 24) = 0 [pid 6164] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6164] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6162] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6162] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0}./strace-static-x86_64: Process 6165 attached [pid 6165] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053 [pid 6162] <... clone3 resumed> => {parent_tid=[6165]}, 88) = 6165 [pid 6165] <... rseq resumed>) = 0 [pid 6162] rt_sigprocmask(SIG_SETMASK, [], [pid 6165] set_robust_list(0x7f0b13ccf9a0, 24 [pid 6162] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6165] <... set_robust_list resumed>) = 0 [pid 6165] rt_sigprocmask(SIG_SETMASK, [], [pid 6162] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6162] <... futex resumed>) = 0 [pid 6165] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6162] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6158] <... unshare resumed>) = 0 [pid 6158] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6157] exit_group(0) = ? [pid 6163] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6158] <... futex resumed>) = ? [pid 6158] +++ exited with 0 +++ [pid 6157] +++ exited with 0 +++ [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6157, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5856] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6162] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6167 attached [pid 6167] set_robust_list(0x5555840106a0, 24) = 0 [pid 5856] <... clone resumed>, child_tidptr=0x555584010690) = 6167 [pid 6167] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6167] setpgid(0, 0) = 0 executing program [pid 6167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6167] write(3, "1000", 4) = 4 [pid 6167] close(3) = 0 [pid 6167] write(1, "executing program\n", 18) = 18 [pid 6167] futex(0x7f0b13d9e30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6167] rt_sigaction(SIGRT_1, {sa_handler=0x7f0b13d3a210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b13d2b890}, NULL, 8) = 0 [pid 6167] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6167] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0b13caf000 [pid 6167] mprotect(0x7f0b13cb0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6167] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6167] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b13ccf990, parent_tid=0x7f0b13ccf990, exit_signal=0, stack=0x7f0b13caf000, stack_size=0x20300, tls=0x7f0b13ccf6c0} => {parent_tid=[6168]}, 88) = 6168 ./strace-static-x86_64: Process 6168 attached [pid 6168] rseq(0x7f0b13ccffe0, 0x20, 0, 0x53053053) = 0 [pid 6167] rt_sigprocmask(SIG_SETMASK, [], [pid 6168] set_robust_list(0x7f0b13ccf9a0, 24) = 0 [pid 6168] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6168] futex(0x7f0b13d9e308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6167] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6167] futex(0x7f0b13d9e308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6168] <... futex resumed>) = 0 [pid 6167] <... futex resumed>) = 1 [pid 6168] unshare(CLONE_NEWTIME|CLONE_FS|CLONE_FILES|CLONE_NEWUTS|CLONE_NEWNET [pid 6167] futex(0x7f0b13d9e30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [ 66.912591][ T6153] ------------[ cut here ]------------ [ 66.919767][ T6153] WARNING: CPU: 0 PID: 6153 at net/ipv6/ip6mr.c:419 ip6mr_free_table+0xd8/0x100 [ 66.929064][ T6153] Modules linked in: [ 66.933005][ T6153] CPU: 0 UID: 0 PID: 6153 Comm: syz-executor300 Not tainted 6.12.0-syzkaller-10713-gda4fa00abe56 #0 [ 66.943798][ T6153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 66.953886][ T6153] RIP: 0010:ip6mr_free_table+0xd8/0x100 [ 66.959426][ T6153] Code: e8 9d 2f ff ff 49 8d be 98 0e 00 00 31 f6 31 d2 e8 9d 63 3c fa 4c 89 f7 5b 41 5c 41 5e 41 5f e9 8e 0c 70 f7 e8 69 6d 11 f7 90 <0f> 0b 90 eb c0 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 72 ff ff ff 48 [ 66.979111][ T6153] RSP: 0018:ffffc90004587af8 EFLAGS: 00010293 [ 66.985257][ T6153] RAX: ffffffff8a847717 RBX: 0000000000000001 RCX: ffff888079528000 [ 66.993291][ T6153] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 67.001277][ T6153] RBP: dffffc0000000000 R08: ffffffff8a8476aa R09: 1ffff110066977b8 [ 67.009303][ T6153] R10: dffffc0000000000 R11: ffffed10066977b9 R12: dffffc0000000000 [ 67.017358][ T6153] R13: dead000000000122 R14: ffff888031f8c000 R15: ffff8880334bcb40 [ 67.025381][ T6153] FS: 00007f0b13ccf6c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 67.034355][ T6153] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.040956][ T6153] CR2: 00007f0b13cd4b30 CR3: 000000002f79c000 CR4: 00000000003526f0 [ 67.049232][ T6153] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 67.057274][ T6153] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 67.065282][ T6153] Call Trace: [ 67.068550][ T6153] [ 67.071470][ T6153] ? __warn+0x168/0x4e0 [ 67.075722][ T6153] ? ip6mr_free_table+0xd8/0x100 [ 67.080687][ T6153] ? report_bug+0x2b3/0x500 [ 67.085245][ T6153] ? ip6mr_free_table+0xd8/0x100 [ 67.090192][ T6153] ? handle_bug+0x60/0x90 [ 67.094551][ T6153] ? exc_invalid_op+0x1a/0x50 [ 67.099241][ T6153] ? asm_exc_invalid_op+0x1a/0x20 [ 67.104349][ T6153] ? ip6mr_free_table+0x6a/0x100 [ 67.109303][ T6153] ? ip6mr_free_table+0xd7/0x100 [ 67.114293][ T6153] ? ip6mr_free_table+0xd8/0x100 [ 67.119250][ T6153] ? ip6mr_free_table+0xd7/0x100 [ 67.124279][ T6153] ip6mr_rules_exit+0x18f/0x220 [ 67.129151][ T6153] ip6mr_net_exit_batch+0x4a/0x90 [ 67.134227][ T6153] ? __pfx_ip6mr_net_exit_batch+0x10/0x10 [ 67.139960][ T6153] setup_net+0x829/0x9e0 [ 67.144263][ T6153] ? __pfx_down_read_killable+0x10/0x10 [ 67.149831][ T6153] ? __pfx_setup_net+0x10/0x10 [ 67.154661][ T6153] copy_net_ns+0x33f/0x570 [ 67.159103][ T6153] create_new_namespaces+0x425/0x7b0 [ 67.164452][ T6153] unshare_nsproxy_namespaces+0x124/0x180 [ 67.170195][ T6153] ksys_unshare+0x57d/0xa70 [ 67.174761][ T6153] ? __pfx_ksys_unshare+0x10/0x10 [ 67.179802][ T6153] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 67.186189][ T6153] ? do_syscall_64+0x100/0x230 [ 67.190981][ T6153] __x64_sys_unshare+0x38/0x40 [ 67.195864][ T6153] do_syscall_64+0xf3/0x230 [ 67.200402][ T6153] ? clear_bhb_loop+0x35/0x90 [ 67.205169][ T6153] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 67.211083][ T6153] RIP: 0033:0x7f0b13d142d9 [ 67.215558][ T6153] 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 [ 67.235232][ T6153] RSP: 002b:00007f0b13ccf238 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 67.243708][ T6153] RAX: ffffffffffffffda RBX: 00007f0b13d9e308 RCX: 00007f0b13d142d9 [ 67.251717][ T6153] RDX: 00007f0b13cf08c6 RSI: 0000000000000000 RDI: 0000000044000680 [ 67.259760][ T6153] RBP: 00007f0b13d9e300 R08: 00007ffff0bd0337 R09: 00007f0b13ccf6c0 [ 67.267772][ T6153] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0b13d9e30c [ 67.275792][ T6153] R13: 0000000000000000 R14: 00007ffff0bd0250 R15: 00007ffff0bd0338 [ 67.283877][ T6153] [ 67.286924][ T6153] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 67.294201][ T6153] CPU: 0 UID: 0 PID: 6153 Comm: syz-executor300 Not tainted 6.12.0-syzkaller-10713-gda4fa00abe56 #0 [ 67.304956][ T6153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 67.315005][ T6153] Call Trace: [ 67.318277][ T6153] [ 67.321200][ T6153] dump_stack_lvl+0x241/0x360 [ 67.325879][ T6153] ? __pfx_dump_stack_lvl+0x10/0x10 [ 67.331072][ T6153] ? __pfx__printk+0x10/0x10 [ 67.335660][ T6153] ? _printk+0xd5/0x120 [ 67.339819][ T6153] ? __init_begin+0x41000/0x41000 [ 67.344843][ T6153] ? vscnprintf+0x5d/0x90 [ 67.349168][ T6153] panic+0x349/0x880 [ 67.353063][ T6153] ? __warn+0x177/0x4e0 [ 67.357215][ T6153] ? __pfx_panic+0x10/0x10 [ 67.361645][ T6153] ? show_trace_log_lvl+0x3b2/0x410 [ 67.366876][ T6153] __warn+0x34b/0x4e0 [ 67.370861][ T6153] ? ip6mr_free_table+0xd8/0x100 [ 67.375814][ T6153] report_bug+0x2b3/0x500 [ 67.380150][ T6153] ? ip6mr_free_table+0xd8/0x100 [ 67.385087][ T6153] handle_bug+0x60/0x90 [ 67.389237][ T6153] exc_invalid_op+0x1a/0x50 [ 67.393743][ T6153] asm_exc_invalid_op+0x1a/0x20 [ 67.398596][ T6153] RIP: 0010:ip6mr_free_table+0xd8/0x100 [ 67.404138][ T6153] Code: e8 9d 2f ff ff 49 8d be 98 0e 00 00 31 f6 31 d2 e8 9d 63 3c fa 4c 89 f7 5b 41 5c 41 5e 41 5f e9 8e 0c 70 f7 e8 69 6d 11 f7 90 <0f> 0b 90 eb c0 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 72 ff ff ff 48 [ 67.423738][ T6153] RSP: 0018:ffffc90004587af8 EFLAGS: 00010293 [ 67.429803][ T6153] RAX: ffffffff8a847717 RBX: 0000000000000001 RCX: ffff888079528000 [ 67.437781][ T6153] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 67.445761][ T6153] RBP: dffffc0000000000 R08: ffffffff8a8476aa R09: 1ffff110066977b8 [ 67.453735][ T6153] R10: dffffc0000000000 R11: ffffed10066977b9 R12: dffffc0000000000 [ 67.461701][ T6153] R13: dead000000000122 R14: ffff888031f8c000 R15: ffff8880334bcb40 [ 67.469679][ T6153] ? ip6mr_free_table+0x6a/0x100 [ 67.474616][ T6153] ? ip6mr_free_table+0xd7/0x100 [ 67.479555][ T6153] ? ip6mr_free_table+0xd7/0x100 [ 67.484491][ T6153] ip6mr_rules_exit+0x18f/0x220 [ 67.489340][ T6153] ip6mr_net_exit_batch+0x4a/0x90 [ 67.494358][ T6153] ? __pfx_ip6mr_net_exit_batch+0x10/0x10 [ 67.500072][ T6153] setup_net+0x829/0x9e0 [ 67.504320][ T6153] ? __pfx_down_read_killable+0x10/0x10 [ 67.509869][ T6153] ? __pfx_setup_net+0x10/0x10 [ 67.514644][ T6153] copy_net_ns+0x33f/0x570 [ 67.519075][ T6153] create_new_namespaces+0x425/0x7b0 [ 67.524373][ T6153] unshare_nsproxy_namespaces+0x124/0x180 [ 67.530096][ T6153] ksys_unshare+0x57d/0xa70 [ 67.534600][ T6153] ? __pfx_ksys_unshare+0x10/0x10 [ 67.539619][ T6153] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 67.545941][ T6153] ? do_syscall_64+0x100/0x230 [ 67.550702][ T6153] __x64_sys_unshare+0x38/0x40 [ 67.555461][ T6153] do_syscall_64+0xf3/0x230 [ 67.559959][ T6153] ? clear_bhb_loop+0x35/0x90 [ 67.564637][ T6153] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 67.570532][ T6153] RIP: 0033:0x7f0b13d142d9 [ 67.574944][ T6153] 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 [ 67.594542][ T6153] RSP: 002b:00007f0b13ccf238 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 67.602955][ T6153] RAX: ffffffffffffffda RBX: 00007f0b13d9e308 RCX: 00007f0b13d142d9 [ 67.610919][ T6153] RDX: 00007f0b13cf08c6 RSI: 0000000000000000 RDI: 0000000044000680 [ 67.618884][ T6153] RBP: 00007f0b13d9e300 R08: 00007ffff0bd0337 R09: 00007f0b13ccf6c0 [ 67.626850][ T6153] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0b13d9e30c [ 67.634816][ T6153] R13: 0000000000000000 R14: 00007ffff0bd0250 R15: 00007ffff0bd0338 [ 67.642796][ T6153] [ 67.646045][ T6153] Kernel Offset: disabled [ 67.650398][ T6153] Rebooting in 86400 seconds..