./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1404462278 <...> Warning: Permanently added '10.128.1.9' (ED25519) to the list of known hosts. execve("./syz-executor1404462278", ["./syz-executor1404462278"], 0x7ffeca024970 /* 10 vars */) = 0 brk(NULL) = 0x55555f630000 brk(0x55555f630d40) = 0x55555f630d40 arch_prctl(ARCH_SET_FS, 0x55555f6303c0) = 0 set_tid_address(0x55555f630690) = 5831 set_robust_list(0x55555f6306a0, 24) = 0 rseq(0x55555f630ce0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1404462278", 4096) = 28 getrandom("\x0b\x2e\x2c\xa5\x8a\x47\x0e\x33", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555f630d40 brk(0x55555f651d40) = 0x55555f651d40 brk(0x55555f652000) = 0x55555f652000 mprotect(0x7feef06f4000, 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 5832 attached [pid 5832] set_robust_list(0x55555f6306a0, 24 [pid 5831] <... clone resumed>, child_tidptr=0x55555f630690) = 5832 [pid 5832] <... set_robust_list resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5833 attached ./strace-static-x86_64: Process 5834 attached [pid 5833] set_robust_list(0x55555f6306a0, 24 [pid 5832] <... clone resumed>, child_tidptr=0x55555f630690) = 5833 [pid 5831] <... clone resumed>, child_tidptr=0x55555f630690) = 5834 [pid 5833] <... set_robust_list resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5834] set_robust_list(0x55555f6306a0, 24 [pid 5833] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5834] <... set_robust_list resumed>) = 0 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5835 attached [pid 5833] <... prctl resumed>) = 0 [pid 5835] set_robust_list(0x55555f6306a0, 24 [pid 5833] setpgid(0, 0./strace-static-x86_64: Process 5836 attached [pid 5831] <... clone resumed>, child_tidptr=0x55555f630690) = 5835 [pid 5835] <... set_robust_list resumed>) = 0 [pid 5833] <... setpgid resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5836] set_robust_list(0x55555f6306a0, 24 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5838 attached ./strace-static-x86_64: Process 5837 attached [pid 5836] <... set_robust_list resumed>) = 0 [pid 5834] <... clone resumed>, child_tidptr=0x55555f630690) = 5836 [pid 5833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] <... clone resumed>, child_tidptr=0x55555f630690) = 5837 [pid 5838] set_robust_list(0x55555f6306a0, 24 [pid 5837] set_robust_list(0x55555f6306a0, 24 [pid 5833] <... openat resumed>) = 3 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] <... set_robust_list resumed>) = 0 [pid 5837] <... set_robust_list resumed>) = 0 [pid 5836] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] write(3, "1000", 4 [pid 5838] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5836] <... prctl resumed>) = 0 [pid 5835] <... clone resumed>, child_tidptr=0x55555f630690) = 5838 ./strace-static-x86_64: Process 5839 attached ./strace-static-x86_64: Process 5840 attached [pid 5839] set_robust_list(0x55555f6306a0, 24 [pid 5838] <... prctl resumed>) = 0 [pid 5836] setpgid(0, 0 [pid 5833] <... write resumed>) = 4 [pid 5831] <... clone resumed>, child_tidptr=0x55555f630690) = 5839 [pid 5839] <... set_robust_list resumed>) = 0 [pid 5838] setpgid(0, 0 [pid 5836] <... setpgid resumed>) = 0 [pid 5833] close(3 [pid 5840] set_robust_list(0x55555f6306a0, 24 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] <... setpgid resumed>) = 0 [pid 5837] <... clone resumed>, child_tidptr=0x55555f630690) = 5840 [pid 5836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] <... close resumed>) = 0 [pid 5840] <... set_robust_list resumed>) = 0 [pid 5838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5841 attached [pid 5840] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5836] <... openat resumed>) = 3 [pid 5833] write(1, "executing program\n", 18 [pid 5841] set_robust_list(0x55555f6306a0, 24 [pid 5840] <... prctl resumed>) = 0 [pid 5839] <... clone resumed>, child_tidptr=0x55555f630690) = 5841 [pid 5838] <... openat resumed>) = 3 [pid 5836] write(3, "1000", 4 [pid 5841] <... set_robust_list resumed>) = 0 [pid 5840] setpgid(0, 0) = 0 [pid 5838] write(3, "1000", 4executing program [pid 5836] <... write resumed>) = 4 [pid 5841] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5838] <... write resumed>) = 4 [pid 5836] close(3 [pid 5833] <... write resumed>) = 18 [pid 5841] <... prctl resumed>) = 0 [pid 5840] <... openat resumed>) = 3 [pid 5838] close(3 [pid 5833] futex(0x7feef06fa30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] setpgid(0, 0 [pid 5840] write(3, "1000", 4 [pid 5838] <... close resumed>) = 0 executing program [pid 5836] <... close resumed>) = 0 [pid 5833] <... futex resumed>) = 0 [pid 5841] <... setpgid resumed>) = 0 [pid 5840] <... write resumed>) = 4 [pid 5838] write(1, "executing program\n", 18 [pid 5836] write(1, "executing program\n", 18 [pid 5833] rt_sigaction(SIGRT_1, {sa_handler=0x7feef0696210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7feef0687890}, [pid 5841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] close(3 [pid 5836] <... write resumed>) = 18 [pid 5833] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5840] <... close resumed>) = 0 [pid 5836] futex(0x7feef06fa30c, FUTEX_WAKE_PRIVATE, 1000000executing program executing program [pid 5841] <... openat resumed>) = 3 [pid 5840] write(1, "executing program\n", 18 [pid 5838] <... write resumed>) = 18 [pid 5836] <... futex resumed>) = 0 [pid 5833] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5841] write(3, "1000", 4 [pid 5840] <... write resumed>) = 18 [pid 5838] futex(0x7feef06fa30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] rt_sigaction(SIGRT_1, {sa_handler=0x7feef0696210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7feef0687890}, [pid 5833] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5841] <... write resumed>) = 4 [pid 5840] futex(0x7feef06fa30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... futex resumed>) = 0 [pid 5841] close(3 [pid 5840] <... futex resumed>) = 0 [pid 5838] rt_sigaction(SIGRT_1, {sa_handler=0x7feef0696210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7feef0687890}, [pid 5836] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5833] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5841] <... close resumed>) = 0 [pid 5840] rt_sigaction(SIGRT_1, {sa_handler=0x7feef0696210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7feef0687890}, [pid 5838] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5841] write(1, "executing program\n", 18executing program [pid 5840] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5838] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5836] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5833] <... mmap resumed>) = 0x7feef060b000 [pid 5841] <... write resumed>) = 18 [pid 5840] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5838] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5836] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] mprotect(0x7feef060c000, 131072, PROT_READ|PROT_WRITE [pid 5841] futex(0x7feef06fa30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5838] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5836] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5833] <... mprotect resumed>) = 0 [pid 5841] <... futex resumed>) = 0 [pid 5840] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5838] <... mmap resumed>) = 0x7feef060b000 [pid 5836] <... mmap resumed>) = 0x7feef060b000 [pid 5840] <... mmap resumed>) = 0x7feef060b000 [pid 5838] mprotect(0x7feef060c000, 131072, PROT_READ|PROT_WRITE [pid 5841] rt_sigaction(SIGRT_1, {sa_handler=0x7feef0696210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7feef0687890}, [pid 5833] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5836] mprotect(0x7feef060c000, 131072, PROT_READ|PROT_WRITE [pid 5841] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5840] mprotect(0x7feef060c000, 131072, PROT_READ|PROT_WRITE [pid 5838] <... mprotect resumed>) = 0 [pid 5833] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5841] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5840] <... mprotect resumed>) = 0 [pid 5836] <... mprotect resumed>) = 0 [pid 5833] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7feef062b990, parent_tid=0x7feef062b990, exit_signal=0, stack=0x7feef060b000, stack_size=0x20300, tls=0x7feef062b6c0} [pid 5841] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5841] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5840] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5838] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5842 attached [pid 5841] <... mmap resumed>) = 0x7feef060b000 [pid 5840] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5838] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5836] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5842] rseq(0x7feef062bfe0, 0x20, 0, 0x53053053 [pid 5841] mprotect(0x7feef060c000, 131072, PROT_READ|PROT_WRITE [pid 5840] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7feef062b990, parent_tid=0x7feef062b990, exit_signal=0, stack=0x7feef060b000, stack_size=0x20300, tls=0x7feef062b6c0} [pid 5838] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7feef062b990, parent_tid=0x7feef062b990, exit_signal=0, stack=0x7feef060b000, stack_size=0x20300, tls=0x7feef062b6c0} [pid 5836] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5833] <... clone3 resumed> => {parent_tid=[5842]}, 88) = 5842 ./strace-static-x86_64: Process 5844 attached ./strace-static-x86_64: Process 5843 attached [pid 5842] <... rseq resumed>) = 0 [pid 5841] <... mprotect resumed>) = 0 [pid 5836] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7feef062b990, parent_tid=0x7feef062b990, exit_signal=0, stack=0x7feef060b000, stack_size=0x20300, tls=0x7feef062b6c0} [pid 5833] rt_sigprocmask(SIG_SETMASK, [], [pid 5844] rseq(0x7feef062bfe0, 0x20, 0, 0x53053053 [pid 5843] rseq(0x7feef062bfe0, 0x20, 0, 0x53053053 [pid 5842] set_robust_list(0x7feef062b9a0, 24 [pid 5838] <... clone3 resumed> => {parent_tid=[5844]}, 88) = 5844 [pid 5841] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5840] <... clone3 resumed> => {parent_tid=[5843]}, 88) = 5843 ./strace-static-x86_64: Process 5845 attached [pid 5844] <... rseq resumed>) = 0 [pid 5843] <... rseq resumed>) = 0 [pid 5842] <... set_robust_list resumed>) = 0 [pid 5841] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5840] rt_sigprocmask(SIG_SETMASK, [], [pid 5838] rt_sigprocmask(SIG_SETMASK, [], [pid 5833] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5845] rseq(0x7feef062bfe0, 0x20, 0, 0x53053053 [pid 5844] set_robust_list(0x7feef062b9a0, 24 [pid 5843] set_robust_list(0x7feef062b9a0, 24 [pid 5842] rt_sigprocmask(SIG_SETMASK, [], [pid 5841] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7feef062b990, parent_tid=0x7feef062b990, exit_signal=0, stack=0x7feef060b000, stack_size=0x20300, tls=0x7feef062b6c0} [pid 5840] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5838] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5836] <... clone3 resumed> => {parent_tid=[5845]}, 88) = 5845 ./strace-static-x86_64: Process 5846 attached [pid 5845] <... rseq resumed>) = 0 [pid 5844] <... set_robust_list resumed>) = 0 [pid 5843] <... set_robust_list resumed>) = 0 [pid 5842] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] futex(0x7feef06fa308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] futex(0x7feef06fa308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] futex(0x7feef06fa308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] rt_sigprocmask(SIG_SETMASK, [], [pid 5846] rseq(0x7feef062bfe0, 0x20, 0, 0x53053053 [pid 5845] set_robust_list(0x7feef062b9a0, 24 [pid 5844] rt_sigprocmask(SIG_SETMASK, [], [pid 5843] rt_sigprocmask(SIG_SETMASK, [], [pid 5841] <... clone3 resumed> => {parent_tid=[5846]}, 88) = 5846 [pid 5840] <... futex resumed>) = 0 [pid 5836] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] <... futex resumed>) = 0 [pid 5846] <... rseq resumed>) = 0 [pid 5845] <... set_robust_list resumed>) = 0 [pid 5844] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5843] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5841] rt_sigprocmask(SIG_SETMASK, [], [pid 5840] futex(0x7feef06fa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5836] futex(0x7feef06fa308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5846] set_robust_list(0x7feef062b9a0, 24 [pid 5845] rt_sigprocmask(SIG_SETMASK, [], [pid 5844] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET [pid 5843] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET [pid 5841] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] futex(0x7feef06fa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5846] <... set_robust_list resumed>) = 0 [pid 5845] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5836] <... futex resumed>) = 0 [pid 5842] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET [pid 5838] <... futex resumed>) = 0 [pid 5846] rt_sigprocmask(SIG_SETMASK, [], [pid 5845] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET [pid 5841] futex(0x7feef06fa308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] futex(0x7feef06fa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5846] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5846] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET [pid 5841] <... futex resumed>) = 0 [pid 5841] futex(0x7feef06fa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5838] futex(0x7feef06fa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5840] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5833] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5836] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5841] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5841] futex(0x7feef06fa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5838] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5844] <... unshare resumed>) = 0 [pid 5844] futex(0x7feef06fa30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] exit_group(0) = ? [pid 5844] <... futex resumed>) = ? [pid 5845] <... unshare resumed>) = 0 [pid 5845] futex(0x7feef06fa30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] +++ exited with 0 +++ [pid 5838] +++ exited with 0 +++ [pid 5845] <... futex resumed>) = 0 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5838, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5845] futex(0x7feef06fa308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5836] exit_group(0 [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 5845] <... futex resumed>) = ? [pid 5843] <... unshare resumed>) = 0 [pid 5836] <... exit_group resumed>) = ? [pid 5845] +++ exited with 0 +++ [pid 5836] +++ exited with 0 +++ [pid 5843] futex(0x7feef06fa30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5836, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5843] <... futex resumed>) = 0 [pid 5834] restart_syscall(<... resuming interrupted clone ...> [pid 5843] futex(0x7feef06fa308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5840] exit_group(0 [pid 5846] <... unshare resumed>) = 0 [pid 5842] <... unshare resumed>) = 0 [pid 5835] <... restart_syscall resumed>) = 0 [pid 5834] <... restart_syscall resumed>) = 0 [pid 5846] futex(0x7feef06fa30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] <... futex resumed>) = ? [pid 5840] <... exit_group resumed>) = ? [pid 5846] <... futex resumed>) = 0 [pid 5843] +++ exited with 0 +++ [pid 5841] exit_group(0 [pid 5840] +++ exited with 0 +++ [pid 5846] futex(0x7feef06fa308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5855 attached [pid 5846] <... futex resumed>) = ? [pid 5842] futex(0x7feef06fa30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] <... exit_group resumed>) = ? [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5840, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] <... futex resumed>) = 0 [pid 5834] <... clone resumed>, child_tidptr=0x55555f630690) = 5855 [pid 5842] futex(0x7feef06fa308, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5856 attached [pid 5855] set_robust_list(0x55555f6306a0, 24 [pid 5846] +++ exited with 0 +++ [pid 5841] +++ exited with 0 +++ [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5855] <... set_robust_list resumed>) = 0 [pid 5833] exit_group(0 [pid 5855] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] <... exit_group resumed>) = ? [pid 5855] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5857 attached [pid 5856] set_robust_list(0x55555f6306a0, 24 [pid 5842] <... futex resumed>) = ? [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5841, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5835] <... clone resumed>, child_tidptr=0x55555f630690) = 5856 [pid 5856] <... set_robust_list resumed>) = 0 [pid 5857] set_robust_list(0x55555f6306a0, 24 [pid 5855] setpgid(0, 0 [pid 5857] <... set_robust_list resumed>) = 0 [pid 5857] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5855] <... setpgid resumed>) = 0 [pid 5842] +++ exited with 0 +++ [pid 5833] +++ exited with 0 +++ [pid 5857] <... prctl resumed>) = 0 [pid 5856] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5837] <... clone resumed>, child_tidptr=0x55555f630690) = 5857 [pid 5856] <... prctl resumed>) = 0 [pid 5857] setpgid(0, 0 [pid 5855] <... openat resumed>) = 3 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5833, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5857] <... setpgid resumed>) = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5858 attached [pid 5857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5856] setpgid(0, 0 [pid 5855] write(3, "1000", 4 [pid 5858] set_robust_list(0x55555f6306a0, 24 [pid 5856] <... setpgid resumed>) = 0 [pid 5857] <... openat resumed>) = 3 [pid 5855] <... write resumed>) = 4 [pid 5858] <... set_robust_list resumed>) = 0 [pid 5856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5855] close(3 [pid 5857] write(3, "1000", 4 [pid 5855] <... close resumed>) = 0 [pid 5858] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5857] <... write resumed>) = 4 [pid 5857] close(3executing program [pid 5855] write(1, "executing program\n", 18 [pid 5857] <... close resumed>) = 0 [pid 5856] <... openat resumed>) = 3 [pid 5855] <... write resumed>) = 18 [pid 5857] write(1, "executing program\n", 18 [pid 5855] futex(0x7feef06fa30c, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 5858] <... prctl resumed>) = 0 [pid 5856] write(3, "1000", 4 [pid 5839] <... clone resumed>, child_tidptr=0x55555f630690) = 5858 [pid 5858] setpgid(0, 0 [pid 5856] <... write resumed>) = 4 [pid 5858] <... setpgid resumed>) = 0 [pid 5856] close(3 [pid 5857] <... write resumed>) = 18 [pid 5856] <... close resumed>) = 0 [pid 5855] <... futex resumed>) = 0 [pid 5858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5857] futex(0x7feef06fa30c, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 5856] write(1, "executing program\n", 18 [pid 5855] rt_sigaction(SIGRT_1, {sa_handler=0x7feef0696210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7feef0687890}, [pid 5857] <... futex resumed>) = 0 [pid 5856] <... write resumed>) = 18 [pid 5855] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5857] rt_sigaction(SIGRT_1, {sa_handler=0x7feef0696210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7feef0687890}, [pid 5856] futex(0x7feef06fa30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5857] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5856] <... futex resumed>) = 0 [pid 5858] <... openat resumed>) = 3 [pid 5855] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5858] write(3, "1000", 4 [pid 5857] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5856] rt_sigaction(SIGRT_1, {sa_handler=0x7feef0696210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7feef0687890}, [pid 5855] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5858] <... write resumed>) = 4 [pid 5857] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5856] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5855] <... mmap resumed>) = 0x7feef060b000 [pid 5858] close(3 [pid 5857] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5856] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5855] mprotect(0x7feef060c000, 131072, PROT_READ|PROT_WRITEexecuting program [pid 5858] <... close resumed>) = 0 [pid 5857] <... mmap resumed>) = 0x7feef060b000 [pid 5856] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5858] write(1, "executing program\n", 18 [pid 5857] mprotect(0x7feef060c000, 131072, PROT_READ|PROT_WRITE [pid 5856] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5855] <... mprotect resumed>) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5858] <... write resumed>) = 18 [pid 5857] <... mprotect resumed>) = 0 [pid 5856] <... mmap resumed>) = 0x7feef060b000 [pid 5855] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5856] mprotect(0x7feef060c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5858] futex(0x7feef06fa30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5858] <... futex resumed>) = 0 [pid 5857] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5858] rt_sigaction(SIGRT_1, {sa_handler=0x7feef0696210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7feef0687890}, NULL, 8) = 0 [pid 5857] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5856] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5855] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5858] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [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=0x7feef062b990, parent_tid=0x7feef062b990, exit_signal=0, stack=0x7feef060b000, stack_size=0x20300, tls=0x7feef062b6c0} [pid 5856] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7feef062b990, parent_tid=0x7feef062b990, exit_signal=0, stack=0x7feef060b000, stack_size=0x20300, tls=0x7feef062b6c0} [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=0x7feef062b990, parent_tid=0x7feef062b990, exit_signal=0, stack=0x7feef060b000, stack_size=0x20300, tls=0x7feef062b6c0}./strace-static-x86_64: Process 5860 attached ./strace-static-x86_64: Process 5859 attached [pid 5858] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5861 attached [pid 5860] rseq(0x7feef062bfe0, 0x20, 0, 0x53053053 [pid 5859] rseq(0x7feef062bfe0, 0x20, 0, 0x53053053 [pid 5856] <... clone3 resumed> => {parent_tid=[5860]}, 88) = 5860 ./strace-static-x86_64: Process 5862 attached [pid 5861] rseq(0x7feef062bfe0, 0x20, 0, 0x53053053 [pid 5860] <... rseq resumed>) = 0 [pid 5859] <... rseq resumed>) = 0 [pid 5856] rt_sigprocmask(SIG_SETMASK, [], [pid 5862] set_robust_list(0x55555f6306a0, 24 [pid 5861] <... rseq resumed>) = 0 [pid 5860] set_robust_list(0x7feef062b9a0, 24 [pid 5859] set_robust_list(0x7feef062b9a0, 24 [pid 5858] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5856] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5862] <... set_robust_list resumed>) = 0 [pid 5861] set_robust_list(0x7feef062b9a0, 24 [pid 5860] <... set_robust_list resumed>) = 0 [pid 5859] <... set_robust_list resumed>) = 0 [pid 5858] <... mmap resumed>) = 0x7feef060b000 [pid 5857] <... clone3 resumed> => {parent_tid=[5859]}, 88) = 5859 [pid 5856] futex(0x7feef06fa308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] <... clone3 resumed> => {parent_tid=[5861]}, 88) = 5861 [pid 5832] <... clone resumed>, child_tidptr=0x55555f630690) = 5862 [pid 5862] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5861] <... set_robust_list resumed>) = 0 [pid 5860] rt_sigprocmask(SIG_SETMASK, [], [pid 5859] rt_sigprocmask(SIG_SETMASK, [], [pid 5858] mprotect(0x7feef060c000, 131072, PROT_READ|PROT_WRITE [pid 5857] rt_sigprocmask(SIG_SETMASK, [], [pid 5856] <... futex resumed>) = 0 [pid 5855] rt_sigprocmask(SIG_SETMASK, [], [pid 5862] <... prctl resumed>) = 0 [pid 5861] rt_sigprocmask(SIG_SETMASK, [], [pid 5860] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5858] <... mprotect resumed>) = 0 [pid 5857] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5856] futex(0x7feef06fa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5855] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5862] setpgid(0, 0 [pid 5861] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5860] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET [pid 5859] futex(0x7feef06fa308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5857] futex(0x7feef06fa308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] futex(0x7feef06fa308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5861] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET [pid 5858] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5857] <... futex resumed>) = 0 [pid 5862] <... setpgid resumed>) = 0 [pid 5855] <... futex resumed>) = 0 [pid 5857] futex(0x7feef06fa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5859] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5859] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET [pid 5862] <... openat resumed>) = 3 [pid 5855] futex(0x7feef06fa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5862] write(3, "1000", 4) = 4 [pid 5862] close(3) = 0 executing program [pid 5862] write(1, "executing program\n", 18) = 18 [pid 5862] futex(0x7feef06fa30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5862] rt_sigaction(SIGRT_1, {sa_handler=0x7feef0696210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7feef0687890}, NULL, 8) = 0 [pid 5862] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5862] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7feef060b000 [pid 5862] mprotect(0x7feef060c000, 131072, PROT_READ|PROT_WRITE [pid 5858] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5862] <... mprotect resumed>) = 0 [pid 5862] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5858] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7feef062b990, parent_tid=0x7feef062b990, exit_signal=0, stack=0x7feef060b000, stack_size=0x20300, tls=0x7feef062b6c0}./strace-static-x86_64: Process 5863 attached [pid 5862] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5858] <... clone3 resumed> => {parent_tid=[5863]}, 88) = 5863 [pid 5858] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5858] futex(0x7feef06fa308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5858] futex(0x7feef06fa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] rseq(0x7feef062bfe0, 0x20, 0, 0x53053053) = 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=0x7feef062b990, parent_tid=0x7feef062b990, exit_signal=0, stack=0x7feef060b000, stack_size=0x20300, tls=0x7feef062b6c0} [pid 5863] set_robust_list(0x7feef062b9a0, 24./strace-static-x86_64: Process 5864 attached ) = 0 [pid 5863] rt_sigprocmask(SIG_SETMASK, [], [pid 5862] <... clone3 resumed> => {parent_tid=[5864]}, 88) = 5864 [pid 5864] rseq(0x7feef062bfe0, 0x20, 0, 0x53053053 [pid 5863] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5862] rt_sigprocmask(SIG_SETMASK, [], [pid 5864] <... rseq resumed>) = 0 [pid 5863] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET [pid 5862] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5864] set_robust_list(0x7feef062b9a0, 24) = 0 [pid 5862] futex(0x7feef06fa308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] rt_sigprocmask(SIG_SETMASK, [], [pid 5862] <... futex resumed>) = 0 [pid 5864] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5862] futex(0x7feef06fa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET [pid 5856] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5857] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5855] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5858] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5862] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5861] <... unshare resumed>) = 0 [pid 5860] <... unshare resumed>) = 0 [pid 5861] futex(0x7feef06fa30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5860] futex(0x7feef06fa30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] exit_group(0 [pid 5860] <... futex resumed>) = 0 [pid 5856] exit_group(0 [pid 5855] <... exit_group resumed>) = ? [pid 5861] +++ exited with 0 +++ [pid 5855] +++ exited with 0 +++ [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5855, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5834] restart_syscall(<... resuming interrupted clone ...> [pid 5856] <... exit_group resumed>) = ? [pid 5860] +++ exited with 0 +++ [pid 5856] +++ exited with 0 +++ [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5856, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5835] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5867 attached [pid 5867] set_robust_list(0x55555f6306a0, 24 [pid 5835] <... clone resumed>, child_tidptr=0x55555f630690) = 5867 [pid 5834] <... restart_syscall resumed>) = 0 [pid 5867] <... set_robust_list resumed>) = 0 [pid 5867] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5867] setpgid(0, 0 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5868 attached [pid 5867] <... setpgid resumed>) = 0 [pid 5867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5834] <... clone resumed>, child_tidptr=0x55555f630690) = 5868 [pid 5867] <... openat resumed>) = 3 [pid 5867] write(3, "1000", 4) = 4 [pid 5867] close(3) = 0 executing program [pid 5868] set_robust_list(0x55555f6306a0, 24 [pid 5867] write(1, "executing program\n", 18 [pid 5868] <... set_robust_list resumed>) = 0 [pid 5867] <... write resumed>) = 18 [pid 5868] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5867] futex(0x7feef06fa30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] <... prctl resumed>) = 0 [pid 5867] <... futex resumed>) = 0 [pid 5863] <... unshare resumed>) = 0 [pid 5868] setpgid(0, 0 [pid 5867] rt_sigaction(SIGRT_1, {sa_handler=0x7feef0696210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7feef0687890}, [pid 5863] futex(0x7feef06fa30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] exit_group(0 [pid 5868] <... setpgid resumed>) = 0 [pid 5867] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5858] <... exit_group resumed>) = ? [pid 5868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5867] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5863] <... futex resumed>) = ? [pid 5868] <... openat resumed>) = 3 [pid 5867] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7feef060b000 [pid 5868] write(3, "1000", 4 [pid 5867] mprotect(0x7feef060c000, 131072, PROT_READ|PROT_WRITE [pid 5863] +++ exited with 0 +++ [pid 5858] +++ exited with 0 +++ [pid 5868] <... write resumed>) = 4 [pid 5867] <... mprotect resumed>) = 0 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5858, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5868] close(3 [pid 5867] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5839] restart_syscall(<... resuming interrupted clone ...> [pid 5868] <... close resumed>) = 0 [pid 5867] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5868] write(1, "executing program\n", 18executing program [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=0x7feef062b990, parent_tid=0x7feef062b990, exit_signal=0, stack=0x7feef060b000, stack_size=0x20300, tls=0x7feef062b6c0} [pid 5868] <... write resumed>) = 18 ./strace-static-x86_64: Process 5870 attached [pid 5868] futex(0x7feef06fa30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... restart_syscall resumed>) = 0 [pid 5870] rseq(0x7feef062bfe0, 0x20, 0, 0x53053053 [pid 5868] <... futex resumed>) = 0 [pid 5867] <... clone3 resumed> => {parent_tid=[5870]}, 88) = 5870 [pid 5870] <... rseq resumed>) = 0 [pid 5868] rt_sigaction(SIGRT_1, {sa_handler=0x7feef0696210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7feef0687890}, [pid 5867] rt_sigprocmask(SIG_SETMASK, [], [pid 5870] set_robust_list(0x7feef062b9a0, 24 [pid 5868] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5867] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5870] <... set_robust_list resumed>) = 0 [pid 5868] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5867] futex(0x7feef06fa308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... unshare resumed>) = 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5872 attached [pid 5870] rt_sigprocmask(SIG_SETMASK, [], [pid 5868] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] <... futex resumed>) = 0 [pid 5859] futex(0x7feef06fa30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5872] set_robust_list(0x55555f6306a0, 24 [pid 5870] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5868] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5867] futex(0x7feef06fa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5872] <... set_robust_list resumed>) = 0 [pid 5870] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET [pid 5868] <... mmap resumed>) = 0x7feef060b000 [pid 5859] <... futex resumed>) = 0 [pid 5839] <... clone resumed>, child_tidptr=0x55555f630690) = 5872 [pid 5872] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5868] mprotect(0x7feef060c000, 131072, PROT_READ|PROT_WRITE [pid 5859] futex(0x7feef06fa308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5864] <... unshare resumed>) = 0 [pid 5868] <... mprotect resumed>) = 0 [pid 5864] futex(0x7feef06fa30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] exit_group(0 [pid 5872] <... prctl resumed>) = 0 [pid 5868] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5864] <... futex resumed>) = 0 [pid 5859] <... futex resumed>) = ? [pid 5857] <... exit_group resumed>) = ? [pid 5872] setpgid(0, 0 [pid 5862] exit_group(0 [pid 5864] futex(0x7feef06fa308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5859] +++ exited with 0 +++ [pid 5862] <... exit_group resumed>) = ? [pid 5864] <... futex resumed>) = ? [pid 5872] <... setpgid resumed>) = 0 [pid 5868] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5868] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7feef062b990, parent_tid=0x7feef062b990, exit_signal=0, stack=0x7feef060b000, stack_size=0x20300, tls=0x7feef062b6c0}./strace-static-x86_64: Process 5874 attached [pid 5872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5864] +++ exited with 0 +++ [pid 5862] +++ exited with 0 +++ [pid 5857] +++ exited with 0 +++ [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5857, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5862, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5837] restart_syscall(<... resuming interrupted clone ...> [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5868] <... clone3 resumed> => {parent_tid=[5874]}, 88) = 5874 [pid 5868] rt_sigprocmask(SIG_SETMASK, [], [pid 5872] <... openat resumed>) = 3 [pid 5868] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5868] futex(0x7feef06fa308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5872] write(3, "1000", 4 [pid 5868] futex(0x7feef06fa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5874] rseq(0x7feef062bfe0, 0x20, 0, 0x53053053 [pid 5872] <... write resumed>) = 4 [pid 5874] <... rseq resumed>) = 0 [pid 5872] close(3 [pid 5874] set_robust_list(0x7feef062b9a0, 24 [pid 5872] <... close resumed>) = 0 [pid 5874] <... set_robust_list resumed>) = 0 [pid 5872] write(1, "executing program\n", 18executing program [pid 5874] rt_sigprocmask(SIG_SETMASK, [], [pid 5872] <... write resumed>) = 18 [pid 5874] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5874] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET [pid 5872] futex(0x7feef06fa30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5872] rt_sigaction(SIGRT_1, {sa_handler=0x7feef0696210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7feef0687890}, [pid 5837] <... restart_syscall resumed>) = 0 [pid 5872] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5872] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5872] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7feef060b000 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5875 attached [pid 5872] mprotect(0x7feef060c000, 131072, PROT_READ|PROT_WRITE [pid 5837] <... clone resumed>, child_tidptr=0x55555f630690) = 5875 ./strace-static-x86_64: Process 5876 attached [pid 5875] set_robust_list(0x55555f6306a0, 24 [pid 5872] <... mprotect resumed>) = 0 [pid 5867] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5876] set_robust_list(0x55555f6306a0, 24 [pid 5875] <... set_robust_list resumed>) = 0 [pid 5872] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5832] <... clone resumed>, child_tidptr=0x55555f630690) = 5876 [pid 5876] <... set_robust_list resumed>) = 0 [pid 5875] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5872] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5876] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5875] <... prctl resumed>) = 0 [pid 5872] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7feef062b990, parent_tid=0x7feef062b990, exit_signal=0, stack=0x7feef060b000, stack_size=0x20300, tls=0x7feef062b6c0} [pid 5876] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5877 attached [pid 5876] setpgid(0, 0 [pid 5875] setpgid(0, 0 [pid 5877] rseq(0x7feef062bfe0, 0x20, 0, 0x53053053 [pid 5876] <... setpgid resumed>) = 0 [pid 5875] <... setpgid resumed>) = 0 [pid 5872] <... clone3 resumed> => {parent_tid=[5877]}, 88) = 5877 [pid 5876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5876] write(3, "1000", 4 [pid 5877] <... rseq resumed>) = 0 [pid 5875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5872] rt_sigprocmask(SIG_SETMASK, [], [pid 5868] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5877] set_robust_list(0x7feef062b9a0, 24 [pid 5872] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5877] <... set_robust_list resumed>) = 0 [pid 5876] <... write resumed>) = 4 [pid 5875] <... openat resumed>) = 3 [pid 5872] futex(0x7feef06fa308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] rt_sigprocmask(SIG_SETMASK, [], [pid 5876] close(3 [pid 5875] write(3, "1000", 4 [pid 5872] <... futex resumed>) = 0 [pid 5877] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5876] <... close resumed>) = 0 [pid 5875] <... write resumed>) = 4 [pid 5872] futex(0x7feef06fa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5877] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET [pid 5875] close(3executing program [pid 5876] write(1, "executing program\n", 18 [pid 5875] <... close resumed>) = 0 [pid 5876] <... write resumed>) = 18 executing program [pid 5876] futex(0x7feef06fa30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5875] write(1, "executing program\n", 18 [pid 5870] <... unshare resumed>) = 0 [pid 5876] <... futex resumed>) = 0 [pid 5875] <... write resumed>) = 18 [pid 5870] futex(0x7feef06fa30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] exit_group(0) = ? [pid 5876] rt_sigaction(SIGRT_1, {sa_handler=0x7feef0696210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7feef0687890}, [pid 5875] futex(0x7feef06fa30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5876] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5876] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7feef060b000 [pid 5870] <... futex resumed>) = ? [pid 5876] mprotect(0x7feef060c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5875] <... futex resumed>) = 0 [pid 5870] +++ exited with 0 +++ [pid 5867] +++ exited with 0 +++ [pid 5876] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5875] rt_sigaction(SIGRT_1, {sa_handler=0x7feef0696210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7feef0687890}, [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5867, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5876] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5875] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5876] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7feef062b990, parent_tid=0x7feef062b990, exit_signal=0, stack=0x7feef060b000, stack_size=0x20300, tls=0x7feef062b6c0} [pid 5875] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 ./strace-static-x86_64: Process 5879 attached [pid 5879] rseq(0x7feef062bfe0, 0x20, 0, 0x53053053) = 0 [pid 5875] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5879] set_robust_list(0x7feef062b9a0, 24) = 0 [pid 5879] rt_sigprocmask(SIG_SETMASK, [], [pid 5875] <... mmap resumed>) = 0x7feef060b000 [pid 5879] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5879] futex(0x7feef06fa308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5875] mprotect(0x7feef060c000, 131072, PROT_READ|PROT_WRITE [pid 5876] <... clone3 resumed> => {parent_tid=[5879]}, 88) = 5879 [pid 5876] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5875] <... mprotect resumed>) = 0 [pid 5876] futex(0x7feef06fa308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5879] <... futex resumed>) = 0 [pid 5876] <... futex resumed>) = 1 [pid 5879] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET [pid 5876] futex(0x7feef06fa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5875] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [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=0x7feef062b990, parent_tid=0x7feef062b990, exit_signal=0, stack=0x7feef060b000, stack_size=0x20300, tls=0x7feef062b6c0}./strace-static-x86_64: Process 5881 attached ./strace-static-x86_64: Process 5880 attached [pid 5835] <... clone resumed>, child_tidptr=0x55555f630690) = 5880 [pid 5875] <... clone3 resumed> => {parent_tid=[5881]}, 88) = 5881 [pid 5881] rseq(0x7feef062bfe0, 0x20, 0, 0x53053053 [pid 5880] set_robust_list(0x55555f6306a0, 24 [pid 5875] rt_sigprocmask(SIG_SETMASK, [], [pid 5881] <... rseq resumed>) = 0 [pid 5880] <... set_robust_list resumed>) = 0 [pid 5881] set_robust_list(0x7feef062b9a0, 24 [pid 5880] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5875] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5875] futex(0x7feef06fa308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5881] <... set_robust_list resumed>) = 0 [pid 5880] <... prctl resumed>) = 0 [pid 5881] rt_sigprocmask(SIG_SETMASK, [], [pid 5880] setpgid(0, 0 [pid 5881] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5880] <... setpgid resumed>) = 0 [pid 5881] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET [pid 5880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5875] <... futex resumed>) = 0 [pid 5880] <... openat resumed>) = 3 [pid 5875] futex(0x7feef06fa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5880] write(3, "1000", 4) = 4 [pid 5880] close(3) = 0 executing program [pid 5880] write(1, "executing program\n", 18) = 18 [pid 5880] futex(0x7feef06fa30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5880] rt_sigaction(SIGRT_1, {sa_handler=0x7feef0696210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7feef0687890}, NULL, 8) = 0 [pid 5880] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5880] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7feef060b000 [pid 5880] mprotect(0x7feef060c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5880] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5880] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7feef062b990, parent_tid=0x7feef062b990, exit_signal=0, stack=0x7feef060b000, stack_size=0x20300, tls=0x7feef062b6c0}./strace-static-x86_64: Process 5882 attached [pid 5872] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5882] rseq(0x7feef062bfe0, 0x20, 0, 0x53053053) = 0 [pid 5880] <... clone3 resumed> => {parent_tid=[5882]}, 88) = 5882 [pid 5882] set_robust_list(0x7feef062b9a0, 24 [pid 5880] rt_sigprocmask(SIG_SETMASK, [], [pid 5882] <... set_robust_list resumed>) = 0 [pid 5880] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5882] rt_sigprocmask(SIG_SETMASK, [], [pid 5880] futex(0x7feef06fa308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5882] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5880] <... futex resumed>) = 0 [pid 5882] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET [pid 5880] futex(0x7feef06fa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5876] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5875] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5880] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5874] <... unshare resumed>) = 0 [pid 5874] futex(0x7feef06fa30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5874] futex(0x7feef06fa308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5868] exit_group(0 [pid 5874] <... futex resumed>) = ? [pid 5868] <... exit_group resumed>) = ? [pid 5874] +++ exited with 0 +++ [pid 5868] +++ exited with 0 +++ [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5868, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5834] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5884 attached [pid 5884] set_robust_list(0x55555f6306a0, 24) = 0 [pid 5884] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5834] <... clone resumed>, child_tidptr=0x55555f630690) = 5884 [pid 5884] <... prctl resumed>) = 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 [pid 5884] write(1, "executing program\n", 18executing program ) = 18 [pid 5884] futex(0x7feef06fa30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5884] rt_sigaction(SIGRT_1, {sa_handler=0x7feef0696210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7feef0687890}, NULL, 8) = 0 [pid 5884] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5884] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7feef060b000 [pid 5884] mprotect(0x7feef060c000, 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=0x7feef062b990, parent_tid=0x7feef062b990, exit_signal=0, stack=0x7feef060b000, stack_size=0x20300, tls=0x7feef062b6c0}./strace-static-x86_64: Process 5885 attached => {parent_tid=[5885]}, 88) = 5885 [pid 5884] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5884] futex(0x7feef06fa308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5884] futex(0x7feef06fa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5885] rseq(0x7feef062bfe0, 0x20, 0, 0x53053053) = 0 [pid 5885] set_robust_list(0x7feef062b9a0, 24) = 0 [pid 5885] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5885] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET [pid 5884] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5879] <... unshare resumed>) = 0 [pid 5879] futex(0x7feef06fa30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5879] futex(0x7feef06fa308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5876] exit_group(0) = ? [pid 5881] <... unshare resumed>) = 0 [pid 5879] <... futex resumed>) = ? [pid 5881] futex(0x7feef06fa30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5881] futex(0x7feef06fa308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5875] exit_group(0 [pid 5881] <... futex resumed>) = ? [pid 5879] +++ exited with 0 +++ [pid 5876] +++ exited with 0 +++ [pid 5875] <... exit_group resumed>) = ? [pid 5881] +++ exited with 0 +++ [pid 5875] +++ exited with 0 +++ [pid 5882] <... unshare resumed>) = 0 [pid 5882] futex(0x7feef06fa30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5875, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5876, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5882] <... futex resumed>) = 0 [pid 5837] restart_syscall(<... resuming interrupted clone ...> [pid 5882] futex(0x7feef06fa308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5837] <... restart_syscall resumed>) = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5880] exit_group(0 [pid 5882] <... futex resumed>) = ? [pid 5880] <... exit_group resumed>) = ? [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5890 attached [pid 5882] +++ exited with 0 +++ [pid 5880] +++ exited with 0 +++ [pid 5837] <... clone resumed>, child_tidptr=0x55555f630690) = 5890 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5890] set_robust_list(0x55555f6306a0, 24 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5880, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- ./strace-static-x86_64: Process 5891 attached [pid 5890] <... set_robust_list resumed>) = 0 [pid 5891] set_robust_list(0x55555f6306a0, 24 [pid 5890] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 5891] <... set_robust_list resumed>) = 0 [pid 5890] <... prctl resumed>) = 0 [pid 5891] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5890] setpgid(0, 0 [pid 5835] <... restart_syscall resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x55555f630690) = 5891 [pid 5891] <... prctl resumed>) = 0 [pid 5890] <... setpgid resumed>) = 0 [pid 5877] <... unshare resumed>) = 0 [pid 5891] setpgid(0, 0 [pid 5890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5891] <... setpgid resumed>) = 0 [pid 5891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5890] <... openat resumed>) = 3 [pid 5885] <... unshare resumed>) = 0 [pid 5877] futex(0x7feef06fa30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5891] <... openat resumed>) = 3 [pid 5885] futex(0x7feef06fa30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] <... futex resumed>) = 0 [pid 5872] exit_group(0) = ? ./strace-static-x86_64: Process 5893 attached [pid 5891] write(3, "1000", 4 [pid 5885] <... futex resumed>) = 0 [pid 5877] +++ exited with 0 +++ [pid 5872] +++ exited with 0 +++ [pid 5890] write(3, "1000", 4 [pid 5893] set_robust_list(0x55555f6306a0, 24 [pid 5891] <... write resumed>) = 4 [pid 5885] futex(0x7feef06fa308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5884] exit_group(0 [pid 5891] close(3 [pid 5884] <... exit_group resumed>) = ? [pid 5885] <... futex resumed>) = ? [pid 5893] <... set_robust_list resumed>) = 0 [pid 5891] <... close resumed>) = 0 executing program [pid 5890] <... write resumed>) = 4 [pid 5885] +++ exited with 0 +++ [pid 5884] +++ exited with 0 +++ [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5872, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5835] <... clone resumed>, child_tidptr=0x55555f630690) = 5893 [pid 5893] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5891] write(1, "executing program\n", 18) = 18 [pid 5891] futex(0x7feef06fa30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5891] rt_sigaction(SIGRT_1, {sa_handler=0x7feef0696210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7feef0687890}, NULL, 8) = 0 [pid 5891] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5891] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7feef060b000 [pid 5891] mprotect(0x7feef060c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5891] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 executing program [pid 5891] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7feef062b990, parent_tid=0x7feef062b990, exit_signal=0, stack=0x7feef060b000, stack_size=0x20300, tls=0x7feef062b6c0} [pid 5893] <... prctl resumed>) = 0 [pid 5890] close(3 [pid 5839] restart_syscall(<... resuming interrupted clone ...> [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5884, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5891] <... clone3 resumed> => {parent_tid=[5894]}, 88) = 5894 [pid 5891] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5891] futex(0x7feef06fa308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5891] futex(0x7feef06fa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5839] <... restart_syscall resumed>) = 0 [pid 5890] <... close resumed>) = 0 [pid 5890] write(1, "executing program\n", 18 [pid 5893] setpgid(0, 0 [pid 5890] <... write resumed>) = 18 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5893] <... setpgid resumed>) = 0 [pid 5893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5895 attached [pid 5895] set_robust_list(0x55555f6306a0, 24 [pid 5893] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5894 attached [pid 5890] futex(0x7feef06fa30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5834] <... clone resumed>, child_tidptr=0x55555f630690) = 5895 [pid 5895] <... set_robust_list resumed>) = 0 [pid 5895] prctl(PR_SET_PDEATHSIG, SIGKILL