./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor968279433 <...> Warning: Permanently added '10.128.0.189' (ED25519) to the list of known hosts. execve("./syz-executor968279433", ["./syz-executor968279433"], 0x7fff752fe330 /* 10 vars */) = 0 brk(NULL) = 0x55556b194000 brk(0x55556b194d40) = 0x55556b194d40 arch_prctl(ARCH_SET_FS, 0x55556b1943c0) = 0 set_tid_address(0x55556b194690) = 5857 set_robust_list(0x55556b1946a0, 24) = 0 rseq(0x55556b194ce0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor968279433", 4096) = 27 getrandom("\xa7\x03\x2a\xb7\x29\x06\x85\xaa", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556b194d40 brk(0x55556b1b5d40) = 0x55556b1b5d40 brk(0x55556b1b6000) = 0x55556b1b6000 mprotect(0x7f158898f000, 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 5858 attached [pid 5858] set_robust_list(0x55556b1946a0, 24 [pid 5857] <... clone resumed>, child_tidptr=0x55556b194690) = 5858 [pid 5858] <... set_robust_list resumed>) = 0 [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5860 attached ./strace-static-x86_64: Process 5859 attached [pid 5860] set_robust_list(0x55556b1946a0, 24 [pid 5859] set_robust_list(0x55556b1946a0, 24 [pid 5858] <... clone resumed>, child_tidptr=0x55556b194690) = 5859 [pid 5857] <... clone resumed>, child_tidptr=0x55556b194690) = 5860 [pid 5860] <... set_robust_list resumed>) = 0 [pid 5859] <... set_robust_list resumed>) = 0 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5859] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5860] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5861 attached [pid 5859] <... prctl resumed>) = 0 [pid 5859] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 5862 attached [pid 5859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5857] <... clone resumed>, child_tidptr=0x55556b194690) = 5862 [pid 5862] set_robust_list(0x55556b1946a0, 24 [pid 5861] set_robust_list(0x55556b1946a0, 24 [pid 5859] <... openat resumed>) = 3 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5862] <... set_robust_list resumed>) = 0 [pid 5861] <... set_robust_list resumed>) = 0 [pid 5862] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5861] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5860] <... clone resumed>, child_tidptr=0x55556b194690) = 5861 [pid 5859] write(3, "1000", 4 [pid 5861] <... prctl resumed>) = 0 [pid 5859] <... write resumed>) = 4 [pid 5861] setpgid(0, 0 [pid 5859] close(3 [pid 5861] <... setpgid resumed>) = 0 [pid 5859] <... close resumed>) = 0 [pid 5861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5859] write(1, "executing program\n", 18./strace-static-x86_64: Process 5863 attached executing program [pid 5862] <... clone resumed>, child_tidptr=0x55556b194690) = 5863 [pid 5857] <... clone resumed>, child_tidptr=0x55556b194690) = 5864 ./strace-static-x86_64: Process 5864 attached [pid 5863] set_robust_list(0x55556b1946a0, 24 [pid 5861] <... openat resumed>) = 3 [pid 5859] <... write resumed>) = 18 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5864] set_robust_list(0x55556b1946a0, 24 [pid 5863] <... set_robust_list resumed>) = 0 [pid 5863] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5859] futex(0x7f158899530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5865 attached [pid 5864] <... set_robust_list resumed>) = 0 [pid 5861] write(3, "1000", 4 [pid 5859] <... futex resumed>) = 0 [pid 5857] <... clone resumed>, child_tidptr=0x55556b194690) = 5865 [pid 5865] set_robust_list(0x55556b1946a0, 24 [pid 5863] setpgid(0, 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5861] <... write resumed>) = 4 [pid 5863] <... setpgid resumed>) = 0 [pid 5859] rt_sigaction(SIGRT_1, {sa_handler=0x7f1588931210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1588922890}, [pid 5865] <... set_robust_list resumed>) = 0 [pid 5861] close(3 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5861] <... close resumed>) = 0 [pid 5859] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5859] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], executing program ./strace-static-x86_64: Process 5866 attached [pid 5861] write(1, "executing program\n", 18 [pid 5859] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] set_robust_list(0x55556b1946a0, 24 [pid 5863] <... openat resumed>) = 3 [pid 5861] <... write resumed>) = 18 [pid 5859] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5867 attached [pid 5866] <... set_robust_list resumed>) = 0 [pid 5864] <... clone resumed>, child_tidptr=0x55556b194690) = 5866 [pid 5863] write(3, "1000", 4 [pid 5861] futex(0x7f158899530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... mmap resumed>) = 0x7f15888a6000 [pid 5867] set_robust_list(0x55556b1946a0, 24 [pid 5866] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5863] <... write resumed>) = 4 [pid 5861] <... futex resumed>) = 0 [pid 5859] mprotect(0x7f15888a7000, 131072, PROT_READ|PROT_WRITE [pid 5867] <... set_robust_list resumed>) = 0 [pid 5867] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5865] <... clone resumed>, child_tidptr=0x55556b194690) = 5867 [pid 5861] rt_sigaction(SIGRT_1, {sa_handler=0x7f1588931210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1588922890}, [pid 5859] <... mprotect resumed>) = 0 [pid 5867] <... prctl resumed>) = 0 [pid 5866] <... prctl resumed>) = 0 [pid 5863] close(3 [pid 5861] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5866] setpgid(0, 0 [pid 5863] <... close resumed>) = 0 [pid 5866] <... setpgid resumed>) = 0 [pid 5861] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5867] setpgid(0, 0) = 0 [pid 5867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5861] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] rt_sigprocmask(SIG_BLOCK, ~[], executing program [pid 5866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5863] write(1, "executing program\n", 18 [pid 5861] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5859] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5867] <... openat resumed>) = 3 [pid 5863] <... write resumed>) = 18 [pid 5861] <... mmap resumed>) = 0x7f15888a6000 [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=0x7f15888c6990, parent_tid=0x7f15888c6990, exit_signal=0, stack=0x7f15888a6000, stack_size=0x20300, tls=0x7f15888c66c0} [pid 5867] write(3, "1000", 4 [pid 5866] <... openat resumed>) = 3 [pid 5863] futex(0x7f158899530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5861] mprotect(0x7f15888a7000, 131072, PROT_READ|PROT_WRITE [pid 5867] <... write resumed>) = 4 [pid 5863] <... futex resumed>) = 0 [pid 5861] <... mprotect resumed>) = 0 [pid 5859] <... clone3 resumed> => {parent_tid=[5868]}, 88) = 5868 ./strace-static-x86_64: Process 5868 attached [pid 5867] close(3 [pid 5868] rseq(0x7f15888c6fe0, 0x20, 0, 0x53053053 [pid 5867] <... close resumed>) = 0 [pid 5861] rt_sigprocmask(SIG_BLOCK, ~[], executing program [pid 5859] rt_sigprocmask(SIG_SETMASK, [], [pid 5868] <... rseq resumed>) = 0 [pid 5867] write(1, "executing program\n", 18 [pid 5868] set_robust_list(0x7f15888c69a0, 24 [pid 5867] <... write resumed>) = 18 [pid 5868] <... set_robust_list resumed>) = 0 [pid 5867] futex(0x7f158899530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] write(3, "1000", 4 [pid 5863] rt_sigaction(SIGRT_1, {sa_handler=0x7f1588931210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1588922890}, [pid 5861] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5859] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5868] rt_sigprocmask(SIG_SETMASK, [], [pid 5867] <... futex resumed>) = 0 [pid 5866] <... write resumed>) = 4 [pid 5863] <... rt_sigaction resumed>NULL, 8) = 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=0x7f15888c6990, parent_tid=0x7f15888c6990, exit_signal=0, stack=0x7f15888a6000, stack_size=0x20300, tls=0x7f15888c66c0} [pid 5859] futex(0x7f1588995308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] rt_sigaction(SIGRT_1, {sa_handler=0x7f1588931210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1588922890}, [pid 5866] close(3 [pid 5863] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 5869 attached [pid 5868] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET [pid 5867] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5866] <... close resumed>) = 0 [pid 5863] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] <... futex resumed>) = 0 [pid 5866] write(1, "executing program\n", 18 [pid 5863] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0executing program [pid 5866] <... write resumed>) = 18 [pid 5863] <... mmap resumed>) = 0x7f15888a6000 [pid 5859] futex(0x7f158899530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5869] rseq(0x7f15888c6fe0, 0x20, 0, 0x53053053 [pid 5867] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5866] futex(0x7f158899530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] mprotect(0x7f15888a7000, 131072, PROT_READ|PROT_WRITE [pid 5861] <... clone3 resumed> => {parent_tid=[5869]}, 88) = 5869 [pid 5869] <... rseq resumed>) = 0 [pid 5867] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5869] set_robust_list(0x7f15888c69a0, 24 [pid 5867] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5866] <... futex resumed>) = 0 [pid 5863] <... mprotect resumed>) = 0 [pid 5861] rt_sigprocmask(SIG_SETMASK, [], [pid 5869] <... set_robust_list resumed>) = 0 [pid 5867] <... mmap resumed>) = 0x7f15888a6000 [pid 5866] rt_sigaction(SIGRT_1, {sa_handler=0x7f1588931210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1588922890}, [pid 5863] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5861] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5869] rt_sigprocmask(SIG_SETMASK, [], [pid 5867] mprotect(0x7f15888a7000, 131072, PROT_READ|PROT_WRITE [pid 5866] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5869] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] <... mprotect resumed>) = 0 [pid 5869] futex(0x7f1588995308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5866] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5863] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5861] futex(0x7f1588995308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] <... futex resumed>) = 0 [pid 5867] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5866] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f15888c6990, parent_tid=0x7f15888c6990, exit_signal=0, stack=0x7f15888a6000, stack_size=0x20300, tls=0x7f15888c66c0} [pid 5861] <... futex resumed>) = 1 ./strace-static-x86_64: Process 5870 attached [pid 5869] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET [pid 5867] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f15888c6990, parent_tid=0x7f15888c6990, exit_signal=0, stack=0x7f15888a6000, stack_size=0x20300, tls=0x7f15888c66c0} [pid 5866] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5861] futex(0x7f158899530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... mmap resumed>) = 0x7f15888a6000 [pid 5863] <... clone3 resumed> => {parent_tid=[5870]}, 88) = 5870 [pid 5866] mprotect(0x7f15888a7000, 131072, PROT_READ|PROT_WRITE [pid 5863] rt_sigprocmask(SIG_SETMASK, [], [pid 5866] <... mprotect resumed>) = 0 [pid 5863] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5863] futex(0x7f1588995308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5866] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5863] futex(0x7f158899530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f15888c6990, parent_tid=0x7f15888c6990, exit_signal=0, stack=0x7f15888a6000, stack_size=0x20300, tls=0x7f15888c66c0}./strace-static-x86_64: Process 5871 attached [pid 5871] rseq(0x7f15888c6fe0, 0x20, 0, 0x53053053 [pid 5866] <... clone3 resumed> => {parent_tid=[5871]}, 88) = 5871 [pid 5871] <... rseq resumed>) = 0 [pid 5866] rt_sigprocmask(SIG_SETMASK, [], [pid 5871] set_robust_list(0x7f15888c69a0, 24 [pid 5866] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5871] <... set_robust_list resumed>) = 0 [pid 5871] rt_sigprocmask(SIG_SETMASK, [], [pid 5866] futex(0x7f1588995308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5872 attached [pid 5871] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5870] rseq(0x7f15888c6fe0, 0x20, 0, 0x53053053 [pid 5871] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET [pid 5870] <... rseq resumed>) = 0 [pid 5867] <... clone3 resumed> => {parent_tid=[5872]}, 88) = 5872 [pid 5866] <... futex resumed>) = 0 [pid 5872] rseq(0x7f15888c6fe0, 0x20, 0, 0x53053053 [pid 5866] futex(0x7f158899530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] rt_sigprocmask(SIG_SETMASK, [], [pid 5872] <... rseq resumed>) = 0 [pid 5867] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5870] set_robust_list(0x7f15888c69a0, 24) = 0 [pid 5872] set_robust_list(0x7f15888c69a0, 24 [pid 5867] futex(0x7f1588995308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] rt_sigprocmask(SIG_SETMASK, [], [pid 5872] <... set_robust_list resumed>) = 0 [pid 5870] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] <... futex resumed>) = 0 [pid 5870] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET [pid 5872] rt_sigprocmask(SIG_SETMASK, [], [pid 5867] futex(0x7f158899530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5872] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5872] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET [pid 5861] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5863] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5866] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5867] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5871] <... unshare resumed>) = 0 [pid 5871] futex(0x7f158899530c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5871] futex(0x7f1588995308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5866] exit_group(0) = ? [pid 5871] <... futex resumed>) = ? [pid 5871] +++ exited with 0 +++ [pid 5866] +++ exited with 0 +++ [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5866, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5864] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5875 attached [pid 5875] set_robust_list(0x55556b1946a0, 24) = 0 [pid 5875] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5864] <... clone resumed>, child_tidptr=0x55556b194690) = 5875 [pid 5875] <... prctl resumed>) = 0 [pid 5875] setpgid(0, 0) = 0 [pid 5875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5875] write(3, "1000", 4) = 4 [pid 5875] close(3) = 0 [pid 5869] <... unshare resumed>) = 0 executing program [pid 5875] write(1, "executing program\n", 18) = 18 [pid 5869] futex(0x7f158899530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5875] futex(0x7f158899530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] <... futex resumed>) = 0 [pid 5875] <... futex resumed>) = 0 [pid 5869] futex(0x7f1588995308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5861] exit_group(0 [pid 5875] rt_sigaction(SIGRT_1, {sa_handler=0x7f1588931210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1588922890}, [pid 5861] <... exit_group resumed>) = ? [pid 5875] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5875] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5875] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f15888a6000 [pid 5869] <... futex resumed>) = ? [pid 5875] mprotect(0x7f15888a7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5869] +++ exited with 0 +++ [pid 5861] +++ exited with 0 +++ [pid 5860] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5861, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5875] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5860] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5877 attached [pid 5875] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5875] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f15888c6990, parent_tid=0x7f15888c6990, exit_signal=0, stack=0x7f15888a6000, stack_size=0x20300, tls=0x7f15888c66c0} [pid 5877] set_robust_list(0x55556b1946a0, 24) = 0 [pid 5877] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5878 attached ) = 0 [pid 5872] <... unshare resumed>) = 0 [pid 5868] <... unshare resumed>) = 0 [pid 5860] <... clone resumed>, child_tidptr=0x55556b194690) = 5877 [pid 5878] rseq(0x7f15888c6fe0, 0x20, 0, 0x53053053 [pid 5877] setpgid(0, 0 [pid 5875] <... clone3 resumed> => {parent_tid=[5878]}, 88) = 5878 [pid 5872] futex(0x7f158899530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] <... unshare resumed>) = 0 [pid 5868] futex(0x7f158899530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5878] <... rseq resumed>) = 0 [pid 5875] rt_sigprocmask(SIG_SETMASK, [], [pid 5872] <... futex resumed>) = 0 [pid 5868] <... futex resumed>) = 0 [pid 5878] set_robust_list(0x7f15888c69a0, 24 [pid 5877] <... setpgid resumed>) = 0 [pid 5875] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5872] futex(0x7f1588995308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5870] futex(0x7f158899530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] futex(0x7f1588995308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5859] exit_group(0 [pid 5878] <... set_robust_list resumed>) = 0 [pid 5877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5875] futex(0x7f1588995308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] <... futex resumed>) = 0 [pid 5868] <... futex resumed>) = ? [pid 5867] exit_group(0 [pid 5859] <... exit_group resumed>) = ? [pid 5878] rt_sigprocmask(SIG_SETMASK, [], [pid 5877] <... openat resumed>) = 3 [pid 5875] <... futex resumed>) = 0 [pid 5872] <... futex resumed>) = ? [pid 5870] futex(0x7f1588995308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] <... exit_group resumed>) = ? [pid 5863] exit_group(0 [pid 5875] futex(0x7f158899530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5872] +++ exited with 0 +++ [pid 5868] +++ exited with 0 +++ [pid 5863] <... exit_group resumed>) = ? [pid 5859] +++ exited with 0 +++ [pid 5878] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5878] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET [pid 5877] write(3, "1000", 4 [pid 5870] <... futex resumed>) = ? [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5859, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5877] <... write resumed>) = 4 [pid 5867] +++ exited with 0 +++ [pid 5858] restart_syscall(<... resuming interrupted clone ...> [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5867, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...> [pid 5870] +++ exited with 0 +++ [pid 5863] +++ exited with 0 +++ [pid 5877] close(3) = 0 [pid 5862] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5863, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- executing program [pid 5877] write(1, "executing program\n", 18 [pid 5862] restart_syscall(<... resuming interrupted clone ...> [pid 5877] <... write resumed>) = 18 [pid 5877] futex(0x7f158899530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... restart_syscall resumed>) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5877] <... futex resumed>) = 0 [pid 5862] <... restart_syscall resumed>) = 0 [pid 5877] rt_sigaction(SIGRT_1, {sa_handler=0x7f1588931210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1588922890}, ./strace-static-x86_64: Process 5882 attached NULL, 8) = 0 [pid 5882] set_robust_list(0x55556b1946a0, 24 [pid 5877] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5865] <... clone resumed>, child_tidptr=0x55556b194690) = 5882 [pid 5858] <... restart_syscall resumed>) = 0 [pid 5882] <... set_robust_list resumed>) = 0 [pid 5877] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5877] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5862] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5877] <... mmap resumed>) = 0x7f15888a6000 ./strace-static-x86_64: Process 5883 attached [pid 5862] <... clone resumed>, child_tidptr=0x55556b194690) = 5883 [pid 5883] set_robust_list(0x55556b1946a0, 24 [pid 5882] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5877] mprotect(0x7f15888a7000, 131072, PROT_READ|PROT_WRITE [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5883] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5884 attached [pid 5882] <... prctl resumed>) = 0 [pid 5877] <... mprotect resumed>) = 0 [pid 5858] <... clone resumed>, child_tidptr=0x55556b194690) = 5884 [pid 5884] set_robust_list(0x55556b1946a0, 24) = 0 [pid 5884] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5884] setpgid(0, 0) = 0 [pid 5884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5884] write(3, "1000", 4) = 4 [pid 5884] close(3) = 0 executing program [pid 5884] write(1, "executing program\n", 18) = 18 [pid 5884] futex(0x7f158899530c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5884] rt_sigaction(SIGRT_1, {sa_handler=0x7f1588931210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1588922890}, NULL, 8) = 0 [pid 5877] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5883] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5882] setpgid(0, 0 [pid 5877] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5883] <... prctl resumed>) = 0 [pid 5882] <... setpgid resumed>) = 0 [pid 5884] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5883] setpgid(0, 0 [pid 5882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [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=0x7f15888c6990, parent_tid=0x7f15888c6990, exit_signal=0, stack=0x7f15888a6000, stack_size=0x20300, tls=0x7f15888c66c0} [pid 5883] <... setpgid resumed>) = 0 [pid 5884] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5882] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5885 attached [pid 5884] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5882] write(3, "1000", 4 [pid 5884] <... mmap resumed>) = 0x7f15888a6000 [pid 5884] mprotect(0x7f15888a7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5884] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5884] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f15888c6990, parent_tid=0x7f15888c6990, exit_signal=0, stack=0x7f15888a6000, stack_size=0x20300, tls=0x7f15888c66c0} [pid 5875] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5884] <... clone3 resumed> => {parent_tid=[5886]}, 88) = 5886 [pid 5884] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5884] futex(0x7f1588995308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5884] futex(0x7f158899530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5877] <... clone3 resumed> => {parent_tid=[5885]}, 88) = 5885 ./strace-static-x86_64: Process 5886 attached [pid 5885] rseq(0x7f15888c6fe0, 0x20, 0, 0x53053053 [pid 5883] <... openat resumed>) = 3 [pid 5882] <... write resumed>) = 4 [pid 5877] rt_sigprocmask(SIG_SETMASK, [], [pid 5882] close(3 [pid 5883] write(3, "1000", 4 [pid 5877] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5885] <... rseq resumed>) = 0 [pid 5877] futex(0x7f1588995308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5883] <... write resumed>) = 4 [pid 5885] set_robust_list(0x7f15888c69a0, 24 [pid 5882] <... close resumed>) = 0 [pid 5877] <... futex resumed>) = 0 [pid 5883] close(3 [pid 5885] <... set_robust_list resumed>) = 0 executing program executing program [pid 5885] rt_sigprocmask(SIG_SETMASK, [], [pid 5883] <... close resumed>) = 0 [pid 5882] write(1, "executing program\n", 18 [pid 5877] futex(0x7f158899530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5885] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5883] write(1, "executing program\n", 18 [pid 5882] <... write resumed>) = 18 [pid 5885] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET [pid 5883] <... write resumed>) = 18 [pid 5882] futex(0x7f158899530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] rseq(0x7f15888c6fe0, 0x20, 0, 0x53053053) = 0 [pid 5883] futex(0x7f158899530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5882] <... futex resumed>) = 0 [pid 5886] set_robust_list(0x7f15888c69a0, 24 [pid 5883] <... futex resumed>) = 0 [pid 5882] rt_sigaction(SIGRT_1, {sa_handler=0x7f1588931210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1588922890}, NULL, 8) = 0 [pid 5883] rt_sigaction(SIGRT_1, {sa_handler=0x7f1588931210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1588922890}, NULL, 8) = 0 [pid 5886] <... set_robust_list resumed>) = 0 [pid 5882] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5886] rt_sigprocmask(SIG_SETMASK, [], [pid 5883] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5882] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5886] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5883] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5882] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5886] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET [pid 5883] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5882] <... mmap resumed>) = 0x7f15888a6000 [pid 5883] <... mmap resumed>) = 0x7f15888a6000 [pid 5882] mprotect(0x7f15888a7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5883] mprotect(0x7f15888a7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5882] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5882] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f15888c6990, parent_tid=0x7f15888c6990, exit_signal=0, stack=0x7f15888a6000, stack_size=0x20300, tls=0x7f15888c66c0} [pid 5883] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5889 attached [], 8) = 0 [pid 5882] <... clone3 resumed> => {parent_tid=[5889]}, 88) = 5889 [pid 5878] <... unshare resumed>) = 0 [pid 5889] rseq(0x7f15888c6fe0, 0x20, 0, 0x53053053 [pid 5883] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f15888c6990, parent_tid=0x7f15888c6990, exit_signal=0, stack=0x7f15888a6000, stack_size=0x20300, tls=0x7f15888c66c0} [pid 5882] rt_sigprocmask(SIG_SETMASK, [], [pid 5889] <... rseq resumed>) = 0 [pid 5882] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5882] futex(0x7f1588995308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5889] set_robust_list(0x7f15888c69a0, 24) = 0 [pid 5882] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5890 attached [pid 5889] rt_sigprocmask(SIG_SETMASK, [], [pid 5884] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5882] futex(0x7f158899530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5878] futex(0x7f158899530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5890] rseq(0x7f15888c6fe0, 0x20, 0, 0x53053053 [pid 5889] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5883] <... clone3 resumed> => {parent_tid=[5890]}, 88) = 5890 [pid 5877] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5890] <... rseq resumed>) = 0 [pid 5889] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET [pid 5883] rt_sigprocmask(SIG_SETMASK, [], [pid 5878] <... futex resumed>) = 0 [pid 5875] exit_group(0 [pid 5890] set_robust_list(0x7f15888c69a0, 24 [pid 5875] <... exit_group resumed>) = ? [pid 5890] <... set_robust_list resumed>) = 0 [pid 5883] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5878] +++ exited with 0 +++ [pid 5875] +++ exited with 0 +++ [pid 5890] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5883] futex(0x7f1588995308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5875, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5890] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET [pid 5883] <... futex resumed>) = 0 [pid 5864] restart_syscall(<... resuming interrupted clone ...> [pid 5883] futex(0x7f158899530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] <... restart_syscall resumed>) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556b194690) = 5892 ./strace-static-x86_64: Process 5892 attached [pid 5885] <... unshare resumed>) = 0 [pid 5882] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5892] set_robust_list(0x55556b1946a0, 24) = 0 [pid 5885] futex(0x7f158899530c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5885] futex(0x7f1588995308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5877] exit_group(0 [pid 5885] <... futex resumed>) = ? [pid 5877] <... exit_group resumed>) = ? [pid 5892] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5885] +++ exited with 0 +++ [pid 5877] +++ exited with 0 +++ [pid 5892] <... prctl resumed>) = 0 [pid 5860] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5877, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5892] setpgid(0, 0 [pid 5860] restart_syscall(<... resuming interrupted clone ...> [pid 5892] <... setpgid resumed>) = 0 [pid 5892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5892] write(3, "1000", 4) = 4 [pid 5892] close(3) = 0 executing program [pid 5892] write(1, "executing program\n", 18) = 18 [pid 5892] futex(0x7f158899530c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5892] rt_sigaction(SIGRT_1, {sa_handler=0x7f1588931210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1588922890}, NULL, 8) = 0 [pid 5892] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5892] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f15888a6000 [pid 5860] <... restart_syscall resumed>) = 0 [pid 5892] mprotect(0x7f15888a7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5860] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5893 attached [pid 5892] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5893] set_robust_list(0x55556b1946a0, 24) = 0 [pid 5893] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5860] <... clone resumed>, child_tidptr=0x55556b194690) = 5893 [pid 5893] <... prctl resumed>) = 0 [pid 5892] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5892] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f15888c6990, parent_tid=0x7f15888c6990, exit_signal=0, stack=0x7f15888a6000, stack_size=0x20300, tls=0x7f15888c66c0} [pid 5893] setpgid(0, 0./strace-static-x86_64: Process 5894 attached ) = 0 [pid 5892] <... clone3 resumed> => {parent_tid=[5894]}, 88) = 5894 [pid 5894] rseq(0x7f15888c6fe0, 0x20, 0, 0x53053053) = 0 [pid 5894] set_robust_list(0x7f15888c69a0, 24 [pid 5893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5892] rt_sigprocmask(SIG_SETMASK, [], [pid 5894] <... set_robust_list resumed>) = 0 [pid 5893] <... openat resumed>) = 3 [pid 5892] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5894] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5894] futex(0x7f1588995308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5893] write(3, "1000", 4) = 4 [pid 5892] futex(0x7f1588995308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5883] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5894] <... futex resumed>) = 0 [pid 5893] close(3 [pid 5892] <... futex resumed>) = 1 [pid 5894] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET [pid 5893] <... close resumed>) = 0 [pid 5892] futex(0x7f158899530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5893] write(1, "executing program\n", 18executing program ) = 18 [pid 5893] futex(0x7f158899530c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5893] rt_sigaction(SIGRT_1, {sa_handler=0x7f1588931210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1588922890}, NULL, 8) = 0 [pid 5893] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5893] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f15888a6000 [pid 5893] mprotect(0x7f15888a7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5893] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5893] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f15888c6990, parent_tid=0x7f15888c6990, exit_signal=0, stack=0x7f15888a6000, stack_size=0x20300, tls=0x7f15888c66c0}./strace-static-x86_64: Process 5895 attached => {parent_tid=[5895]}, 88) = 5895 [pid 5886] <... unshare resumed>) = 0 [pid 5893] rt_sigprocmask(SIG_SETMASK, [], [pid 5895] rseq(0x7f15888c6fe0, 0x20, 0, 0x53053053 [pid 5893] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5895] <... rseq resumed>) = 0 [pid 5893] futex(0x7f1588995308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] futex(0x7f158899530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5895] set_robust_list(0x7f15888c69a0, 24 [pid 5893] <... futex resumed>) = 0 [pid 5886] <... futex resumed>) = 0 [pid 5884] exit_group(0 [pid 5895] <... set_robust_list resumed>) = 0 [pid 5893] futex(0x7f158899530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5884] <... exit_group resumed>) = ? [pid 5895] rt_sigprocmask(SIG_SETMASK, [], [pid 5886] +++ exited with 0 +++ [pid 5884] +++ exited with 0 +++ [pid 5895] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5884, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5895] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET [pid 5858] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5892] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556b194690) = 5897 ./strace-static-x86_64: Process 5897 attached [pid 5889] <... unshare resumed>) = 0 [pid 5897] set_robust_list(0x55556b1946a0, 24) = 0 [pid 5889] futex(0x7f158899530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5897] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5889] <... futex resumed>) = 0 [pid 5897] <... prctl resumed>) = 0 [pid 5882] exit_group(0) = ? [pid 5897] setpgid(0, 0 [pid 5889] +++ exited with 0 +++ [pid 5882] +++ exited with 0 +++ [pid 5897] <... setpgid resumed>) = 0 [pid 5897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5882, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5893] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5865] restart_syscall(<... resuming interrupted clone ...> [pid 5897] <... openat resumed>) = 3 [pid 5897] write(3, "1000", 4) = 4 [pid 5897] close(3) = 0 executing program [pid 5897] write(1, "executing program\n", 18 [pid 5890] <... unshare resumed>) = 0 [pid 5865] <... restart_syscall resumed>) = 0 [pid 5890] futex(0x7f158899530c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5890] futex(0x7f1588995308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5883] exit_group(0 [pid 5897] <... write resumed>) = 18 [pid 5883] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5900 attached [pid 5897] futex(0x7f158899530c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5900] set_robust_list(0x55556b1946a0, 24 [pid 5897] rt_sigaction(SIGRT_1, {sa_handler=0x7f1588931210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1588922890}, [pid 5900] <... set_robust_list resumed>) = 0 [pid 5897] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5897] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5897] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f15888a6000 [pid 5900] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5897] mprotect(0x7f15888a7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5900] <... prctl resumed>) = 0 [pid 5897] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5900] setpgid(0, 0 [pid 5897] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5900] <... setpgid resumed>) = 0 [pid 5897] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f15888c6990, parent_tid=0x7f15888c6990, exit_signal=0, stack=0x7f15888a6000, stack_size=0x20300, tls=0x7f15888c66c0}./strace-static-x86_64: Process 5901 attached [pid 5900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5890] <... futex resumed>) = ? [pid 5865] <... clone resumed>, child_tidptr=0x55556b194690) = 5900 [pid 5901] rseq(0x7f15888c6fe0, 0x20, 0, 0x53053053 [pid 5897] <... clone3 resumed> => {parent_tid=[5901]}, 88) = 5901 [pid 5890] +++ exited with 0 +++ [pid 5883] +++ exited with 0 +++ [pid 5901] <... rseq resumed>) = 0 [pid 5900] <... openat resumed>) = 3 [pid 5897] rt_sigprocmask(SIG_SETMASK, [], [pid 5901] set_robust_list(0x7f15888c69a0, 24 [pid 5897] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5862] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5883, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5901] <... set_robust_list resumed>) = 0 [pid 5900] write(3, "1000", 4 [pid 5897] futex(0x7f1588995308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] rt_sigprocmask(SIG_SETMASK, [], [pid 5900] <... write resumed>) = 4 [pid 5897] <... futex resumed>) = 0 [pid 5901] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5900] close(3 [pid 5897] futex(0x7f158899530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5901] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET [pid 5900] <... close resumed>) = 0 [pid 5862] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 5900] write(1, "executing program\n", 18) = 18 [pid 5900] futex(0x7f158899530c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5900] rt_sigaction(SIGRT_1, {sa_handler=0x7f1588931210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1588922890}, NULL, 8) = 0 [pid 5900] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5900] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f15888a6000 [pid 5900] mprotect(0x7f15888a7000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5902 attached [pid 5895] <... unshare resumed>) = 0 [pid 5902] set_robust_list(0x55556b1946a0, 24 [pid 5862] <... clone resumed>, child_tidptr=0x55556b194690) = 5902 [pid 5902] <... set_robust_list resumed>) = 0 [pid 5902] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5900] <... mprotect resumed>) = 0 [pid 5894] <... unshare resumed>) = 0 [pid 5902] <... prctl resumed>) = 0 [pid 5900] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5895] futex(0x7f158899530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] futex(0x7f158899530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] setpgid(0, 0 [pid 5900] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5894] <... futex resumed>) = 0 [pid 5893] exit_group(0 [pid 5902] <... setpgid resumed>) = 0 [pid 5894] futex(0x7f1588995308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5893] <... exit_group resumed>) = ? [pid 5895] <... futex resumed>) = ? [pid 5902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5895] +++ exited with 0 +++ [pid 5893] +++ exited with 0 +++ [pid 5900] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f15888c6990, parent_tid=0x7f15888c6990, exit_signal=0, stack=0x7f15888a6000, stack_size=0x20300, tls=0x7f15888c66c0} [pid 5892] exit_group(0./strace-static-x86_64: Process 5905 attached [pid 5902] <... openat resumed>) = 3 [pid 5894] <... futex resumed>) = ? [pid 5892] <... exit_group resumed>) = ? [pid 5860] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5893, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5905] rseq(0x7f15888c6fe0, 0x20, 0, 0x53053053 [pid 5900] <... clone3 resumed> => {parent_tid=[5905]}, 88) = 5905 [pid 5900] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5900] futex(0x7f1588995308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] <... rseq resumed>) = 0 [pid 5902] write(3, "1000", 4 [pid 5900] <... futex resumed>) = 0 [pid 5860] restart_syscall(<... resuming interrupted clone ...> [pid 5905] set_robust_list(0x7f15888c69a0, 24 [pid 5902] <... write resumed>) = 4 [pid 5900] futex(0x7f158899530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5860] <... restart_syscall resumed>) = 0 [pid 5902] close(3 [pid 5905] <... set_robust_list resumed>) = 0 [pid 5902] <... close resumed>) = 0 [pid 5894] +++ exited with 0 +++ [pid 5892] +++ exited with 0 +++ executing program [pid 5905] rt_sigprocmask(SIG_SETMASK, [], [pid 5902] write(1, "executing program\n", 18 [pid 5905] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5902] <... write resumed>) = 18 [pid 5905] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5892, 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 5902] futex(0x7f158899530c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5906 attached ) = 0 [pid 5864] restart_syscall(<... resuming interrupted clone ...> [pid 5902] rt_sigaction(SIGRT_1, {sa_handler=0x7f1588931210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1588922890}, NULL, 8) = 0 [pid 5902] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5860] <... clone resumed>, child_tidptr=0x55556b194690) = 5906 [pid 5902] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5906] set_robust_list(0x55556b1946a0, 24 [pid 5897] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5864] <... restart_syscall resumed>) = 0 [pid 5906] <... set_robust_list resumed>) = 0 [pid 5902] <... mmap resumed>) = 0x7f15888a6000 [pid 5906] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5902] mprotect(0x7f15888a7000, 131072, PROT_READ|PROT_WRITE [pid 5906] <... prctl resumed>) = 0 [pid 5902] <... mprotect resumed>) = 0 [pid 5906] setpgid(0, 0 [pid 5902] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5906] <... setpgid resumed>) = 0 [pid 5902] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [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=0x7f15888c6990, parent_tid=0x7f15888c6990, exit_signal=0, stack=0x7f15888a6000, stack_size=0x20300, tls=0x7f15888c66c0}./strace-static-x86_64: Process 5908 attached ./strace-static-x86_64: Process 5907 attached [pid 5906] <... openat resumed>) = 3 [pid 5906] write(3, "1000", 4 [pid 5908] rseq(0x7f15888c6fe0, 0x20, 0, 0x53053053 [pid 5902] <... clone3 resumed> => {parent_tid=[5908]}, 88) = 5908 [pid 5908] <... rseq resumed>) = 0 [pid 5906] <... write resumed>) = 4 [pid 5908] set_robust_list(0x7f15888c69a0, 24 [pid 5907] set_robust_list(0x55556b1946a0, 24 [pid 5906] close(3 [pid 5902] rt_sigprocmask(SIG_SETMASK, [], [pid 5908] <... set_robust_list resumed>) = 0 [pid 5907] <... set_robust_list resumed>) = 0 [pid 5906] <... close resumed>) = 0 [pid 5902] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 5864] <... clone resumed>, child_tidptr=0x55556b194690) = 5907 [pid 5908] rt_sigprocmask(SIG_SETMASK, [], [pid 5907] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5906] write(1, "executing program\n", 18 [pid 5902] futex(0x7f1588995308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5908] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5907] <... prctl resumed>) = 0 [pid 5906] <... write resumed>) = 18 [pid 5902] <... futex resumed>) = 0 [pid 5908] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET [pid 5907] setpgid(0, 0 [pid 5906] futex(0x7f158899530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] futex(0x7f158899530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5907] <... setpgid resumed>) = 0 [pid 5906] <... futex resumed>) = 0 [pid 5907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5906] rt_sigaction(SIGRT_1, {sa_handler=0x7f1588931210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1588922890}, [pid 5907] <... openat resumed>) = 3 [pid 5906] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5906] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5906] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5907] write(3, "1000", 4) = 4 [pid 5907] close(3) = 0 [pid 5907] write(1, "executing program\n", 18executing program ) = 18 [pid 5907] futex(0x7f158899530c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5907] rt_sigaction(SIGRT_1, {sa_handler=0x7f1588931210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1588922890}, [pid 5906] <... mmap resumed>) = 0x7f15888a6000 [pid 5906] mprotect(0x7f15888a7000, 131072, PROT_READ|PROT_WRITE [pid 5907] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5906] <... mprotect resumed>) = 0 [pid 5906] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5907] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5906] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5907] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5906] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f15888c6990, parent_tid=0x7f15888c6990, exit_signal=0, stack=0x7f15888a6000, stack_size=0x20300, tls=0x7f15888c66c0} [pid 5900] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5906] <... clone3 resumed> => {parent_tid=[5909]}, 88) = 5909 [pid 5906] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5906] futex(0x7f1588995308, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5909 attached [pid 5909] rseq(0x7f15888c6fe0, 0x20, 0, 0x53053053 [pid 5906] futex(0x7f158899530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5909] <... rseq resumed>) = 0 [pid 5907] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5909] set_robust_list(0x7f15888c69a0, 24 [pid 5907] <... mmap resumed>) = 0x7f15888a6000 [pid 5909] <... set_robust_list resumed>) = 0 [pid 5907] mprotect(0x7f15888a7000, 131072, PROT_READ|PROT_WRITE [pid 5909] rt_sigprocmask(SIG_SETMASK, [], [pid 5907] <... mprotect resumed>) = 0 [pid 5909] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5907] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5909] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET [pid 5907] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5907] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f15888c6990, parent_tid=0x7f15888c6990, exit_signal=0, stack=0x7f15888a6000, stack_size=0x20300, tls=0x7f15888c66c0}./strace-static-x86_64: Process 5910 attached => {parent_tid=[5910]}, 88) = 5910 [pid 5907] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5907] futex(0x7f1588995308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5907] futex(0x7f158899530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5910] rseq(0x7f15888c6fe0, 0x20, 0, 0x53053053) = 0 [pid 5910] set_robust_list(0x7f15888c69a0, 24) = 0 [pid 5910] rt_sigprocmask(SIG_SETMASK, [], [pid 5902] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5910] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5910] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET [pid 5906] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5907] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5901] <... unshare resumed>) = 0 [pid 5901] futex(0x7f158899530c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5901] futex(0x7f1588995308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5897] exit_group(0 [pid 5901] <... futex resumed>) = ? [pid 5897] <... exit_group resumed>) = ? [pid 5901] +++ exited with 0 +++ [pid 5897] +++ exited with 0 +++ [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5897, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5858] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5912 attached , child_tidptr=0x55556b194690) = 5912 [pid 5912] set_robust_list(0x55556b1946a0, 24) = 0 [pid 5912] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5912] setpgid(0, 0) = 0 executing program [pid 5912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5912] write(3, "1000", 4) = 4 [pid 5912] close(3) = 0 [pid 5912] write(1, "executing program\n", 18) = 18 [pid 5912] futex(0x7f158899530c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5912] rt_sigaction(SIGRT_1, {sa_handler=0x7f1588931210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1588922890}, NULL, 8) = 0 [pid 5912] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5912] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f15888a6000 [pid 5912] mprotect(0x7f15888a7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5912] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [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=0x7f15888c6990, parent_tid=0x7f15888c6990, exit_signal=0, stack=0x7f15888a6000, stack_size=0x20300, tls=0x7f15888c66c0} => {parent_tid=[5913]}, 88) = 5913 [pid 5912] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5912] futex(0x7f1588995308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5912] futex(0x7f158899530c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5913 attached [pid 5913] rseq(0x7f15888c6fe0, 0x20, 0, 0x53053053) = 0 [pid 5913] set_robust_list(0x7f15888c69a0, 24) = 0 [pid 5913] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5913] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET [pid 5910] <... unshare resumed>) = 0 [pid 5909] <... unshare resumed>) = 0 [pid 5905] <... unshare resumed>) = 0 [pid 5910] futex(0x7f158899530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] futex(0x7f158899530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5910] <... futex resumed>) = 0 [pid 5910] futex(0x7f1588995308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5900] exit_group(0 [pid 5909] futex(0x7f158899530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5908] <... unshare resumed>) = 0 [pid 5905] <... futex resumed>) = 0 [pid 5900] <... exit_group resumed>) = ? [pid 5909] <... futex resumed>) = 0 [pid 5909] futex(0x7f1588995308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5906] exit_group(0 [pid 5909] <... futex resumed>) = ? [pid 5907] exit_group(0 [pid 5906] <... exit_group resumed>) = ? [pid 5909] +++ exited with 0 +++ [pid 5905] +++ exited with 0 +++ [pid 5900] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5900, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...> [pid 5906] +++ exited with 0 +++ [pid 5907] <... exit_group resumed>) = ? [pid 5860] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5906, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5860] restart_syscall(<... resuming interrupted clone ...> [pid 5910] <... futex resumed>) = ? [pid 5908] futex(0x7f158899530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] exit_group(0) = ? [pid 5912] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5910] +++ exited with 0 +++ [pid 5908] <... futex resumed>) = ? [pid 5907] +++ exited with 0 +++ [pid 5865] <... restart_syscall resumed>) = 0 [pid 5860] <... restart_syscall resumed>) = 0 [pid 5908] +++ exited with 0 +++ [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5907, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5902] +++ exited with 0 +++ [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5860] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5918 attached [pid 5865] <... clone resumed>, child_tidptr=0x55556b194690) = 5918 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5862] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5902, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5918] set_robust_list(0x55556b1946a0, 24 [pid 5862] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5920 attached [pid 5918] <... set_robust_list resumed>) = 0 [pid 5864] <... clone resumed>, child_tidptr=0x55556b194690) = 5919 [pid 5918] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5920] set_robust_list(0x55556b1946a0, 24 [pid 5918] setpgid(0, 0 [pid 5920] <... set_robust_list resumed>) = 0 [pid 5860] <... clone resumed>, child_tidptr=0x55556b194690) = 5920 [pid 5920] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5918] <... setpgid resumed>) = 0 [pid 5918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5920] <... prctl resumed>) = 0 [pid 5920] setpgid(0, 0./strace-static-x86_64: Process 5919 attached [pid 5918] <... openat resumed>) = 3 [pid 5919] set_robust_list(0x55556b1946a0, 24 [pid 5920] <... setpgid resumed>) = 0 [pid 5862] <... restart_syscall resumed>) = 0 [pid 5920] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5919] <... set_robust_list resumed>) = 0 [pid 5918] write(3, "1000", 4 [pid 5920] <... openat resumed>) = 3 [pid 5919] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5918] <... write resumed>) = 4 [pid 5919] <... prctl resumed>) = 0 [pid 5918] close(3 [pid 5862] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5920] write(3, "1000", 4 [pid 5919] setpgid(0, 0./strace-static-x86_64: Process 5921 attached [pid 5920] <... write resumed>) = 4 [pid 5919] <... setpgid resumed>) = 0 [pid 5918] <... close resumed>) = 0 [pid 5921] set_robust_list(0x55556b1946a0, 24 [pid 5920] close(3 [pid 5921] <... set_robust_list resumed>) = 0 [pid 5920] <... close resumed>) = 0 [pid 5919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5918] write(1, "executing program\n", 18executing program executing program [pid 5862] <... clone resumed>, child_tidptr=0x55556b194690) = 5921 [pid 5921] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5920] write(1, "executing program\n", 18 [pid 5919] <... openat resumed>) = 3 [pid 5918] <... write resumed>) = 18 [pid 5921] <... prctl resumed>) = 0 [pid 5920] <... write resumed>) = 18 [pid 5919] write(3, "1000", 4 [pid 5918] futex(0x7f158899530c, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 5921] setpgid(0, 0 [pid 5920] futex(0x7f158899530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5919] <... write resumed>) = 4 [pid 5918] <... futex resumed>) = 0 [pid 5919] close(3 [pid 5918] rt_sigaction(SIGRT_1, {sa_handler=0x7f1588931210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1588922890}, [pid 5919] <... close resumed>) = 0 [pid 5918] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5919] write(1, "executing program\n", 18 [pid 5918] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5919] <... write resumed>) = 18 [pid 5918] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5919] futex(0x7f158899530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5921] <... setpgid resumed>) = 0 [pid 5921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5920] <... futex resumed>) = 0 [pid 5919] <... futex resumed>) = 0 [pid 5921] <... openat resumed>) = 3 [pid 5920] rt_sigaction(SIGRT_1, {sa_handler=0x7f1588931210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1588922890}, [pid 5919] rt_sigaction(SIGRT_1, {sa_handler=0x7f1588931210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1588922890}, [pid 5921] write(3, "1000", 4 [pid 5920] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5919] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5919] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5921] <... write resumed>) = 4 [pid 5920] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5919] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5921] close(3 [pid 5920] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5921] <... close resumed>) = 0 [pid 5920] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5919] <... mmap resumed>) = 0x7f15888a6000 [pid 5918] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0executing program [pid 5921] write(1, "executing program\n", 18 [pid 5920] <... mmap resumed>) = 0x7f15888a6000 [pid 5919] mprotect(0x7f15888a7000, 131072, PROT_READ|PROT_WRITE [pid 5918] <... mmap resumed>) = 0x7f15888a6000 [pid 5921] <... write resumed>) = 18 [pid 5920] mprotect(0x7f15888a7000, 131072, PROT_READ|PROT_WRITE [pid 5919] <... mprotect resumed>) = 0 [pid 5918] mprotect(0x7f15888a7000, 131072, PROT_READ|PROT_WRITE [pid 5921] futex(0x7f158899530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5920] <... mprotect resumed>) = 0 [pid 5918] <... mprotect resumed>) = 0 [pid 5921] <... futex resumed>) = 0 [pid 5920] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5919] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5918] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5921] rt_sigaction(SIGRT_1, {sa_handler=0x7f1588931210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1588922890}, [pid 5920] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5919] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5918] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5913] <... unshare resumed>) = 0 [pid 5921] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5920] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f15888c6990, parent_tid=0x7f15888c6990, exit_signal=0, stack=0x7f15888a6000, stack_size=0x20300, tls=0x7f15888c66c0} [pid 5919] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f15888c6990, parent_tid=0x7f15888c6990, exit_signal=0, stack=0x7f15888a6000, stack_size=0x20300, tls=0x7f15888c66c0} [pid 5918] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f15888c6990, parent_tid=0x7f15888c6990, exit_signal=0, stack=0x7f15888a6000, stack_size=0x20300, tls=0x7f15888c66c0} [pid 5913] futex(0x7f158899530c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5921] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 5925 attached ./strace-static-x86_64: Process 5924 attached ./strace-static-x86_64: Process 5923 attached NULL, 8) = 0 [pid 5913] <... futex resumed>) = 0 [pid 5912] exit_group(0 [pid 5925] rseq(0x7f15888c6fe0, 0x20, 0, 0x53053053