./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1806789628 <...> Warning: Permanently added '10.128.1.108' (ED25519) to the list of known hosts. execve("./syz-executor1806789628", ["./syz-executor1806789628"], 0x7ffd9feda370 /* 10 vars */) = 0 brk(NULL) = 0x555557baa000 brk(0x555557baad40) = 0x555557baad40 arch_prctl(ARCH_SET_FS, 0x555557baa3c0) = 0 set_tid_address(0x555557baa690) = 5852 set_robust_list(0x555557baa6a0, 24) = 0 rseq(0x555557baace0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1806789628", 4096) = 28 getrandom("\x09\xdf\x49\xb8\x7d\xa1\xf4\xa6", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555557baad40 brk(0x555557bcbd40) = 0x555557bcbd40 brk(0x555557bcc000) = 0x555557bcc000 mprotect(0x7fd6c3247000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5853 attached [pid 5853] set_robust_list(0x555557baa6a0, 24 [pid 5852] <... clone resumed>, child_tidptr=0x555557baa690) = 5853 [pid 5853] <... set_robust_list resumed>) = 0 [pid 5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5852] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5853] <... clone resumed>, child_tidptr=0x555557baa690) = 5854 ./strace-static-x86_64: Process 5855 attached ./strace-static-x86_64: Process 5854 attached [pid 5852] <... clone resumed>, child_tidptr=0x555557baa690) = 5855 [pid 5855] set_robust_list(0x555557baa6a0, 24 [pid 5854] set_robust_list(0x555557baa6a0, 24 [pid 5855] <... set_robust_list resumed>) = 0 [pid 5854] <... set_robust_list resumed>) = 0 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5854] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5852] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5856 attached [pid 5854] <... prctl resumed>) = 0 [pid 5854] setpgid(0, 0) = 0 [pid 5854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5857 attached [pid 5852] <... clone resumed>, child_tidptr=0x555557baa690) = 5857 [pid 5852] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5857] set_robust_list(0x555557baa6a0, 24 [pid 5856] set_robust_list(0x555557baa6a0, 24 [pid 5854] <... openat resumed>) = 3 [pid 5857] <... set_robust_list resumed>) = 0 [pid 5856] <... set_robust_list resumed>) = 0 [pid 5855] <... clone resumed>, child_tidptr=0x555557baa690) = 5856 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5854] write(3, "1000", 4 [pid 5856] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5859 attached ./strace-static-x86_64: Process 5858 attached [pid 5859] set_robust_list(0x555557baa6a0, 24 [pid 5857] <... clone resumed>, child_tidptr=0x555557baa690) = 5859 [pid 5858] set_robust_list(0x555557baa6a0, 24 [pid 5852] <... clone resumed>, child_tidptr=0x555557baa690) = 5858 [pid 5859] <... set_robust_list resumed>) = 0 [pid 5856] <... prctl resumed>) = 0 [pid 5854] <... write resumed>) = 4 [pid 5858] <... set_robust_list resumed>) = 0 [pid 5852] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5856] setpgid(0, 0 [pid 5854] close(3 [pid 5859] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5856] <... setpgid resumed>) = 0 [pid 5859] <... prctl resumed>) = 0 [pid 5854] <... close resumed>) = 0 [pid 5859] setpgid(0, 0 [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 5856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5854] write(1, "executing program\n", 18./strace-static-x86_64: Process 5861 attached ./strace-static-x86_64: Process 5860 attached [pid 5859] <... setpgid resumed>) = 0 [pid 5854] <... write resumed>) = 18 [pid 5861] set_robust_list(0x555557baa6a0, 24 [pid 5858] <... clone resumed>, child_tidptr=0x555557baa690) = 5861 [pid 5854] futex(0x7fd6c324d30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5861] <... set_robust_list resumed>) = 0 [pid 5860] set_robust_list(0x555557baa6a0, 24 [pid 5859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5852] <... clone resumed>, child_tidptr=0x555557baa690) = 5860 [pid 5854] <... futex resumed>) = 0 [pid 5861] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5860] <... set_robust_list resumed>) = 0 [pid 5859] <... openat resumed>) = 3 [pid 5856] <... openat resumed>) = 3 [pid 5854] rt_sigaction(SIGRT_1, {sa_handler=0x7fd6c31e9210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd6c31da890}, [pid 5861] setpgid(0, 0 [pid 5854] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5861] <... setpgid resumed>) = 0 [pid 5860] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5859] write(3, "1000", 4 [pid 5856] write(3, "1000", 4 [pid 5854] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5854] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd6c315e000 [pid 5861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5854] mprotect(0x7fd6c315f000, 131072, PROT_READ|PROT_WRITE [pid 5859] <... write resumed>) = 4 [pid 5856] <... write resumed>) = 4 [pid 5859] close(3 [pid 5856] close(3 [pid 5854] <... mprotect resumed>) = 0 [pid 5861] <... openat resumed>) = 3 [pid 5856] <... close resumed>) = 0 [pid 5854] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5854] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd6c317e990, parent_tid=0x7fd6c317e990, exit_signal=0, stack=0x7fd6c315e000, stack_size=0x20300, tls=0x7fd6c317e6c0}./strace-static-x86_64: Process 5863 attached ./strace-static-x86_64: Process 5862 attached [pid 5861] write(3, "1000", 4 [pid 5859] <... close resumed>) = 0 [pid 5856] write(1, "executing program\n", 18 executing program [pid 5854] <... clone3 resumed> => {parent_tid=[5862]}, 88) = 5862 [pid 5863] set_robust_list(0x555557baa6a0, 24 [pid 5862] rseq(0x7fd6c317efe0, 0x20, 0, 0x53053053 [pid 5861] <... write resumed>) = 4 executing program [pid 5859] write(1, "executing program\n", 18 [pid 5856] <... write resumed>) = 18 [pid 5863] <... set_robust_list resumed>) = 0 [pid 5862] <... rseq resumed>) = 0 [pid 5861] close(3 [pid 5859] <... write resumed>) = 18 [pid 5856] futex(0x7fd6c324d30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5862] set_robust_list(0x7fd6c317e9a0, 24 [pid 5861] <... close resumed>) = 0 [pid 5859] futex(0x7fd6c324d30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] <... futex resumed>) = 0 [pid 5860] <... clone resumed>, child_tidptr=0x555557baa690) = 5863 [pid 5863] <... prctl resumed>) = 0 [pid 5862] <... set_robust_list resumed>) = 0 [pid 5861] write(1, "executing program\n", 18executing program [pid 5859] <... futex resumed>) = 0 [pid 5856] rt_sigaction(SIGRT_1, {sa_handler=0x7fd6c31e9210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd6c31da890}, [pid 5854] rt_sigprocmask(SIG_SETMASK, [], [pid 5863] setpgid(0, 0 [pid 5862] rt_sigprocmask(SIG_SETMASK, [], [pid 5861] <... write resumed>) = 18 [pid 5859] rt_sigaction(SIGRT_1, {sa_handler=0x7fd6c31e9210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd6c31da890}, [pid 5854] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] <... setpgid resumed>) = 0 [pid 5862] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5861] futex(0x7fd6c324d30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5854] futex(0x7fd6c324d308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5854] <... futex resumed>) = 0 [pid 5862] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5861] <... futex resumed>) = 0 [pid 5859] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5856] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5854] futex(0x7fd6c324d30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5859] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] <... openat resumed>) = 3 [pid 5863] write(3, "1000", 4 [pid 5856] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] <... write resumed>) = 4 [pid 5861] rt_sigaction(SIGRT_1, {sa_handler=0x7fd6c31e9210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd6c31da890}, [pid 5859] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5863] close(3 [pid 5861] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5856] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5861] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5859] <... mmap resumed>) = 0x7fd6c315e000 [pid 5861] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5856] <... mmap resumed>) = 0x7fd6c315e000 [pid 5861] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5859] mprotect(0x7fd6c315f000, 131072, PROT_READ|PROT_WRITE [pid 5856] mprotect(0x7fd6c315f000, 131072, PROT_READ|PROT_WRITEexecuting program [pid 5863] <... close resumed>) = 0 [pid 5861] <... mmap resumed>) = 0x7fd6c315e000 [pid 5859] <... mprotect resumed>) = 0 [pid 5863] write(1, "executing program\n", 18 [pid 5856] <... mprotect resumed>) = 0 [pid 5863] <... write resumed>) = 18 [pid 5861] mprotect(0x7fd6c315f000, 131072, PROT_READ|PROT_WRITE [pid 5859] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5863] futex(0x7fd6c324d30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5863] <... futex resumed>) = 0 [pid 5856] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5863] rt_sigaction(SIGRT_1, {sa_handler=0x7fd6c31e9210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd6c31da890}, [pid 5861] <... mprotect resumed>) = 0 [pid 5859] <... rt_sigprocmask resumed>[], 8) = 0 [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=0x7fd6c317e990, parent_tid=0x7fd6c317e990, exit_signal=0, stack=0x7fd6c315e000, stack_size=0x20300, tls=0x7fd6c317e6c0} [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=0x7fd6c317e990, parent_tid=0x7fd6c317e990, exit_signal=0, stack=0x7fd6c315e000, stack_size=0x20300, tls=0x7fd6c317e6c0}./strace-static-x86_64: Process 5864 attached [pid 5863] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5863] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 5865 attached [pid 5864] rseq(0x7fd6c317efe0, 0x20, 0, 0x53053053 [pid 5863] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5861] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5859] <... clone3 resumed> => {parent_tid=[5865]}, 88) = 5865 [pid 5856] <... clone3 resumed> => {parent_tid=[5864]}, 88) = 5864 [pid 5865] rseq(0x7fd6c317efe0, 0x20, 0, 0x53053053 [pid 5864] <... rseq resumed>) = 0 [pid 5863] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5861] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5859] rt_sigprocmask(SIG_SETMASK, [], [pid 5865] <... rseq resumed>) = 0 [pid 5864] set_robust_list(0x7fd6c317e9a0, 24 [pid 5863] <... mmap resumed>) = 0x7fd6c315e000 [pid 5856] rt_sigprocmask(SIG_SETMASK, [], [pid 5864] <... set_robust_list resumed>) = 0 [pid 5863] mprotect(0x7fd6c315f000, 131072, PROT_READ|PROT_WRITE [pid 5865] set_robust_list(0x7fd6c317e9a0, 24 [pid 5859] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5864] rt_sigprocmask(SIG_SETMASK, [], [pid 5863] <... mprotect resumed>) = 0 [pid 5861] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd6c317e990, parent_tid=0x7fd6c317e990, exit_signal=0, stack=0x7fd6c315e000, stack_size=0x20300, tls=0x7fd6c317e6c0} [pid 5864] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5865] <... set_robust_list resumed>) = 0 [pid 5864] futex(0x7fd6c324d308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5863] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5859] futex(0x7fd6c324d308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5865] rt_sigprocmask(SIG_SETMASK, [], [pid 5861] <... clone3 resumed> => {parent_tid=[5866]}, 88) = 5866 [pid 5859] <... futex resumed>) = 0 [pid 5856] futex(0x7fd6c324d308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5861] rt_sigprocmask(SIG_SETMASK, [], [pid 5865] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5859] futex(0x7fd6c324d30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5856] <... futex resumed>) = 0 [pid 5861] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5866 attached [pid 5864] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5863] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5866] rseq(0x7fd6c317efe0, 0x20, 0, 0x53053053 [pid 5864] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [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=0x7fd6c317e990, parent_tid=0x7fd6c317e990, exit_signal=0, stack=0x7fd6c315e000, stack_size=0x20300, tls=0x7fd6c317e6c0} [pid 5866] <... rseq resumed>) = 0 [pid 5861] futex(0x7fd6c324d308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] futex(0x7fd6c324d30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5867 attached [pid 5866] set_robust_list(0x7fd6c317e9a0, 24) = 0 [pid 5863] <... clone3 resumed> => {parent_tid=[5867]}, 88) = 5867 [pid 5866] rt_sigprocmask(SIG_SETMASK, [], [pid 5863] rt_sigprocmask(SIG_SETMASK, [], [pid 5866] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5863] futex(0x7fd6c324d308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5861] <... futex resumed>) = 0 [pid 5867] rseq(0x7fd6c317efe0, 0x20, 0, 0x53053053 [pid 5863] futex(0x7fd6c324d30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5861] futex(0x7fd6c324d30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] <... rseq resumed>) = 0 [pid 5867] set_robust_list(0x7fd6c317e9a0, 24) = 0 [pid 5867] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5867] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5854] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5863] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5861] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5859] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5856] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5864] <... unshare resumed>) = 0 [pid 5865] <... unshare resumed>) = 0 [pid 5864] futex(0x7fd6c324d30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5865] futex(0x7fd6c324d30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] futex(0x7fd6c324d308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5865] <... futex resumed>) = 0 [pid 5865] futex(0x7fd6c324d308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5866] <... unshare resumed>) = 0 [pid 5862] <... unshare resumed>) = 0 [pid 5856] exit_group(0 [pid 5864] <... futex resumed>) = ? [pid 5862] futex(0x7fd6c324d30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] exit_group(0 [pid 5856] <... exit_group resumed>) = ? [pid 5867] <... unshare resumed>) = 0 [pid 5866] futex(0x7fd6c324d30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... futex resumed>) = ? [pid 5864] +++ exited with 0 +++ [pid 5862] <... futex resumed>) = 0 [pid 5859] <... exit_group resumed>) = ? [pid 5867] futex(0x7fd6c324d30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... futex resumed>) = 0 [pid 5865] +++ exited with 0 +++ [pid 5863] exit_group(0 [pid 5862] futex(0x7fd6c324d308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5861] exit_group(0 [pid 5856] +++ exited with 0 +++ [pid 5854] exit_group(0 [pid 5867] <... futex resumed>) = ? [pid 5863] <... exit_group resumed>) = ? [pid 5861] <... exit_group resumed>) = ? [pid 5867] +++ exited with 0 +++ [pid 5866] +++ exited with 0 +++ [pid 5863] +++ exited with 0 +++ [pid 5862] <... futex resumed>) = ? [pid 5861] +++ exited with 0 +++ [pid 5859] +++ exited with 0 +++ [pid 5854] <... exit_group resumed>) = ? [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5859, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5862] +++ exited with 0 +++ [pid 5860] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5863, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5861, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5857] restart_syscall(<... resuming interrupted clone ...> [pid 5860] restart_syscall(<... resuming interrupted clone ...> [pid 5858] restart_syscall(<... resuming interrupted clone ...> [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5856, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5854] +++ exited with 0 +++ [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5860] <... restart_syscall resumed>) = 0 [pid 5858] <... restart_syscall resumed>) = 0 [pid 5857] <... restart_syscall resumed>) = 0 [pid 5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5854, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5853] restart_syscall(<... resuming interrupted clone ...>) = 0 ./strace-static-x86_64: Process 5874 attached [pid 5874] set_robust_list(0x555557baa6a0, 24 [pid 5860] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5874] <... 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 [pid 5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5877 attached ./strace-static-x86_64: Process 5878 attached ./strace-static-x86_64: Process 5876 attached ./strace-static-x86_64: Process 5875 attached [pid 5874] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5855] <... clone resumed>, child_tidptr=0x555557baa690) = 5874 [pid 5860] <... clone resumed>, child_tidptr=0x555557baa690) = 5875 [pid 5874] <... prctl resumed>) = 0 [pid 5877] set_robust_list(0x555557baa6a0, 24 [pid 5874] setpgid(0, 0 [pid 5875] set_robust_list(0x555557baa6a0, 24 [pid 5874] <... setpgid resumed>) = 0 [pid 5877] <... set_robust_list resumed>) = 0 [pid 5876] set_robust_list(0x555557baa6a0, 24 [pid 5858] <... clone resumed>, child_tidptr=0x555557baa690) = 5876 [pid 5874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5857] <... clone resumed>, child_tidptr=0x555557baa690) = 5877 [pid 5853] <... clone resumed>, child_tidptr=0x555557baa690) = 5878 [pid 5878] set_robust_list(0x555557baa6a0, 24) = 0 [pid 5877] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5876] <... set_robust_list resumed>) = 0 [pid 5875] <... set_robust_list resumed>) = 0 [pid 5874] <... openat resumed>) = 3 [pid 5878] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5877] <... prctl resumed>) = 0 [pid 5878] <... prctl resumed>) = 0 [pid 5877] setpgid(0, 0 [pid 5876] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5875] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5874] write(3, "1000", 4 [pid 5878] setpgid(0, 0 [pid 5877] <... setpgid resumed>) = 0 [pid 5876] <... prctl resumed>) = 0 [pid 5875] <... prctl resumed>) = 0 [pid 5874] <... write resumed>) = 4 [pid 5878] <... setpgid resumed>) = 0 [pid 5877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5876] setpgid(0, 0 [pid 5875] setpgid(0, 0 [pid 5874] close(3 [pid 5878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5876] <... setpgid resumed>) = 0 [pid 5875] <... setpgid resumed>) = 0 [pid 5874] <... close resumed>) = 0 [pid 5877] <... openat resumed>) = 3 executing program [pid 5878] <... openat resumed>) = 3 [pid 5874] write(1, "executing program\n", 18 [pid 5877] write(3, "1000", 4 [pid 5876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5874] <... write resumed>) = 18 [pid 5878] write(3, "1000", 4 [pid 5877] <... write resumed>) = 4 [pid 5876] <... openat resumed>) = 3 [pid 5878] <... write resumed>) = 4 [pid 5877] close(3 [pid 5875] <... openat resumed>) = 3 [pid 5874] futex(0x7fd6c324d30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5878] close(3 [pid 5877] <... close resumed>) = 0 [pid 5876] write(3, "1000", 4 [pid 5875] write(3, "1000", 4 [pid 5876] <... write resumed>) = 4 [pid 5875] <... write resumed>) = 4 executing program [pid 5877] write(1, "executing program\n", 18 [pid 5878] <... close resumed>) = 0 executing program executing program executing program [pid 5877] <... write resumed>) = 18 [pid 5876] close(3 [pid 5878] write(1, "executing program\n", 18 [pid 5875] close(3 [pid 5874] <... futex resumed>) = 0 [pid 5876] <... close resumed>) = 0 [pid 5875] <... close resumed>) = 0 [pid 5876] write(1, "executing program\n", 18 [pid 5875] write(1, "executing program\n", 18 [pid 5878] <... write resumed>) = 18 [pid 5874] rt_sigaction(SIGRT_1, {sa_handler=0x7fd6c31e9210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd6c31da890}, [pid 5876] <... write resumed>) = 18 [pid 5875] <... write resumed>) = 18 [pid 5878] futex(0x7fd6c324d30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] futex(0x7fd6c324d30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5876] <... futex resumed>) = 0 [pid 5875] futex(0x7fd6c324d30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] rt_sigaction(SIGRT_1, {sa_handler=0x7fd6c31e9210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd6c31da890}, [pid 5875] <... futex resumed>) = 0 [pid 5876] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5875] rt_sigaction(SIGRT_1, {sa_handler=0x7fd6c31e9210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd6c31da890}, [pid 5876] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5875] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5876] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5875] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5876] <... mmap resumed>) = 0x7fd6c315e000 [pid 5875] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5875] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5878] <... futex resumed>) = 0 [pid 5877] futex(0x7fd6c324d30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] mprotect(0x7fd6c315f000, 131072, PROT_READ|PROT_WRITE [pid 5874] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5878] rt_sigaction(SIGRT_1, {sa_handler=0x7fd6c31e9210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd6c31da890}, [pid 5877] <... futex resumed>) = 0 [pid 5876] <... mprotect resumed>) = 0 [pid 5875] <... mmap resumed>) = 0x7fd6c315e000 [pid 5874] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5878] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5877] rt_sigaction(SIGRT_1, {sa_handler=0x7fd6c31e9210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd6c31da890}, [pid 5876] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5875] mprotect(0x7fd6c315f000, 131072, PROT_READ|PROT_WRITE [pid 5874] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5878] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5877] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5876] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5875] <... mprotect resumed>) = 0 [pid 5874] <... mmap resumed>) = 0x7fd6c315e000 [pid 5874] mprotect(0x7fd6c315f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5878] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5877] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [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=0x7fd6c317e990, parent_tid=0x7fd6c317e990, exit_signal=0, stack=0x7fd6c315e000, stack_size=0x20300, tls=0x7fd6c317e6c0} [pid 5875] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5874] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5878] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5877] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5875] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5874] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5879 attached [pid 5878] <... mmap resumed>) = 0x7fd6c315e000 [pid 5877] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5876] <... clone3 resumed> => {parent_tid=[5879]}, 88) = 5879 [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=0x7fd6c317e990, parent_tid=0x7fd6c317e990, exit_signal=0, stack=0x7fd6c315e000, stack_size=0x20300, tls=0x7fd6c317e6c0} [pid 5874] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd6c317e990, parent_tid=0x7fd6c317e990, exit_signal=0, stack=0x7fd6c315e000, stack_size=0x20300, tls=0x7fd6c317e6c0}./strace-static-x86_64: Process 5880 attached [pid 5878] mprotect(0x7fd6c315f000, 131072, PROT_READ|PROT_WRITE [pid 5877] <... mmap resumed>) = 0x7fd6c315e000 [pid 5876] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5881 attached [pid 5880] rseq(0x7fd6c317efe0, 0x20, 0, 0x53053053 [pid 5879] rseq(0x7fd6c317efe0, 0x20, 0, 0x53053053 [pid 5878] <... mprotect resumed>) = 0 [pid 5877] mprotect(0x7fd6c315f000, 131072, PROT_READ|PROT_WRITE [pid 5876] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5875] <... clone3 resumed> => {parent_tid=[5880]}, 88) = 5880 [pid 5880] <... rseq resumed>) = 0 [pid 5879] <... rseq resumed>) = 0 [pid 5877] <... mprotect resumed>) = 0 [pid 5876] futex(0x7fd6c324d308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5875] rt_sigprocmask(SIG_SETMASK, [], [pid 5881] rseq(0x7fd6c317efe0, 0x20, 0, 0x53053053 [pid 5880] set_robust_list(0x7fd6c317e9a0, 24 [pid 5879] set_robust_list(0x7fd6c317e9a0, 24 [pid 5878] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5875] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5874] <... clone3 resumed> => {parent_tid=[5881]}, 88) = 5881 [pid 5881] <... rseq resumed>) = 0 [pid 5880] <... set_robust_list resumed>) = 0 [pid 5879] <... set_robust_list resumed>) = 0 [pid 5877] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5876] <... futex resumed>) = 0 [pid 5875] futex(0x7fd6c324d308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5881] set_robust_list(0x7fd6c317e9a0, 24 [pid 5880] rt_sigprocmask(SIG_SETMASK, [], [pid 5879] rt_sigprocmask(SIG_SETMASK, [], [pid 5878] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5876] futex(0x7fd6c324d30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5875] <... futex resumed>) = 0 [pid 5874] rt_sigprocmask(SIG_SETMASK, [], [pid 5881] <... set_robust_list resumed>) = 0 [pid 5880] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5879] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5877] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5875] futex(0x7fd6c324d30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5874] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5881] rt_sigprocmask(SIG_SETMASK, [], [pid 5880] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5879] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5878] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd6c317e990, parent_tid=0x7fd6c317e990, exit_signal=0, stack=0x7fd6c315e000, stack_size=0x20300, tls=0x7fd6c317e6c0} [pid 5874] futex(0x7fd6c324d308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5881] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5877] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd6c317e990, parent_tid=0x7fd6c317e990, exit_signal=0, stack=0x7fd6c315e000, stack_size=0x20300, tls=0x7fd6c317e6c0} [pid 5874] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5882 attached [pid 5881] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5878] <... clone3 resumed> => {parent_tid=[5882]}, 88) = 5882 [pid 5874] futex(0x7fd6c324d30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5883 attached [pid 5882] rseq(0x7fd6c317efe0, 0x20, 0, 0x53053053) = 0 [pid 5882] set_robust_list(0x7fd6c317e9a0, 24 [pid 5883] rseq(0x7fd6c317efe0, 0x20, 0, 0x53053053 [pid 5882] <... set_robust_list resumed>) = 0 [pid 5878] rt_sigprocmask(SIG_SETMASK, [], [pid 5877] <... clone3 resumed> => {parent_tid=[5883]}, 88) = 5883 [pid 5883] <... rseq resumed>) = 0 [pid 5882] rt_sigprocmask(SIG_SETMASK, [], [pid 5878] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5877] rt_sigprocmask(SIG_SETMASK, [], [pid 5883] set_robust_list(0x7fd6c317e9a0, 24 [pid 5882] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5878] futex(0x7fd6c324d308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5883] <... set_robust_list resumed>) = 0 [pid 5878] <... futex resumed>) = 0 [pid 5877] futex(0x7fd6c324d308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5883] rt_sigprocmask(SIG_SETMASK, [], [pid 5882] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5878] futex(0x7fd6c324d30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5883] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5883] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5877] <... futex resumed>) = 0 [pid 5877] futex(0x7fd6c324d30c, 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 5874] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5878] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5877] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5879] <... unshare resumed>) = 0 [pid 5880] <... unshare resumed>) = 0 [pid 5879] futex(0x7fd6c324d30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5880] futex(0x7fd6c324d30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5879] futex(0x7fd6c324d308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5880] <... futex resumed>) = 0 [pid 5880] futex(0x7fd6c324d308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5876] exit_group(0 [pid 5875] exit_group(0 [pid 5880] <... futex resumed>) = ? [pid 5879] <... futex resumed>) = ? [pid 5876] <... exit_group resumed>) = ? [pid 5875] <... exit_group resumed>) = ? [pid 5881] <... unshare resumed>) = 0 [pid 5880] +++ exited with 0 +++ [pid 5879] +++ exited with 0 +++ [pid 5876] +++ exited with 0 +++ [pid 5875] +++ exited with 0 +++ [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5876, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5881] futex(0x7fd6c324d30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] exit_group(0) = ? [pid 5858] <... clone resumed>, child_tidptr=0x555557baa690) = 5888 [pid 5881] <... futex resumed>) = ? [pid 5860] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5875, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5881] +++ exited with 0 +++ [pid 5874] +++ exited with 0 +++ [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5874, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5855] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5888 attached [pid 5860] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5889 attached [pid 5888] set_robust_list(0x555557baa6a0, 24 [pid 5883] <... unshare resumed>) = 0 [pid 5882] <... unshare resumed>) = 0 [pid 5855] <... restart_syscall resumed>) = 0 [pid 5889] set_robust_list(0x555557baa6a0, 24 [pid 5888] <... set_robust_list resumed>) = 0 [pid 5883] futex(0x7fd6c324d30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5882] futex(0x7fd6c324d30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5878] exit_group(0 [pid 5877] exit_group(0 [pid 5860] <... clone resumed>, child_tidptr=0x555557baa690) = 5889 [pid 5889] <... set_robust_list resumed>) = 0 [pid 5888] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5883] <... futex resumed>) = ? [pid 5882] <... futex resumed>) = ? [pid 5878] <... exit_group resumed>) = ? [pid 5877] <... exit_group resumed>) = ? [pid 5889] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5888] <... prctl resumed>) = 0 [pid 5883] +++ exited with 0 +++ [pid 5882] +++ exited with 0 +++ [pid 5888] setpgid(0, 0) = 0 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5889] <... prctl resumed>) = 0 [pid 5888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5888] write(3, "1000", 4) = 4 ./strace-static-x86_64: Process 5892 attached [pid 5889] setpgid(0, 0 [pid 5888] close(3 [pid 5892] set_robust_list(0x555557baa6a0, 24 [pid 5889] <... setpgid resumed>) = 0 [pid 5888] <... close resumed>) = 0 executing program [pid 5877] +++ exited with 0 +++ [pid 5888] write(1, "executing program\n", 18) = 18 [pid 5888] futex(0x7fd6c324d30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5878] +++ exited with 0 +++ [pid 5892] <... set_robust_list resumed>) = 0 [pid 5889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5888] <... futex resumed>) = 0 [pid 5855] <... clone resumed>, child_tidptr=0x555557baa690) = 5892 [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5877, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5878, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5889] <... openat resumed>) = 3 [pid 5888] rt_sigaction(SIGRT_1, {sa_handler=0x7fd6c31e9210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd6c31da890}, [pid 5857] restart_syscall(<... resuming interrupted clone ...> [pid 5853] restart_syscall(<... resuming interrupted clone ...> [pid 5892] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5889] write(3, "1000", 4 [pid 5888] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5892] <... prctl resumed>) = 0 [pid 5889] <... write resumed>) = 4 [pid 5892] setpgid(0, 0 [pid 5889] close(3 [pid 5888] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5892] <... setpgid resumed>) = 0 [pid 5889] <... close resumed>) = 0 [pid 5888] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5888] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5889] write(1, "executing program\n", 18 [pid 5888] <... mmap resumed>) = 0x7fd6c315e000 executing program [pid 5892] <... openat resumed>) = 3 [pid 5888] mprotect(0x7fd6c315f000, 131072, PROT_READ|PROT_WRITE [pid 5889] <... write resumed>) = 18 [pid 5892] write(3, "1000", 4 [pid 5888] <... mprotect resumed>) = 0 [pid 5892] <... write resumed>) = 4 [pid 5889] futex(0x7fd6c324d30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5892] close(3 [pid 5889] <... futex resumed>) = 0 [pid 5892] <... close resumed>) = 0 executing program [pid 5892] write(1, "executing program\n", 18 [pid 5889] rt_sigaction(SIGRT_1, {sa_handler=0x7fd6c31e9210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd6c31da890}, [pid 5888] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5892] <... write resumed>) = 18 [pid 5889] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5888] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5892] futex(0x7fd6c324d30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5889] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5888] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd6c317e990, parent_tid=0x7fd6c317e990, exit_signal=0, stack=0x7fd6c315e000, stack_size=0x20300, tls=0x7fd6c317e6c0} [pid 5892] <... futex resumed>) = 0 [pid 5889] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5893 attached [pid 5857] <... restart_syscall resumed>) = 0 [pid 5853] <... restart_syscall resumed>) = 0 [pid 5892] rt_sigaction(SIGRT_1, {sa_handler=0x7fd6c31e9210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd6c31da890}, [pid 5889] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5893] rseq(0x7fd6c317efe0, 0x20, 0, 0x53053053 [pid 5892] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5889] <... mmap resumed>) = 0x7fd6c315e000 [pid 5893] <... rseq resumed>) = 0 [pid 5892] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5888] <... clone3 resumed> => {parent_tid=[5893]}, 88) = 5893 [pid 5893] set_robust_list(0x7fd6c317e9a0, 24 [pid 5892] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5889] mprotect(0x7fd6c315f000, 131072, PROT_READ|PROT_WRITE [pid 5888] rt_sigprocmask(SIG_SETMASK, [], [pid 5889] <... mprotect resumed>) = 0 [pid 5888] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5888] futex(0x7fd6c324d308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5889] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5888] futex(0x7fd6c324d30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5893] <... set_robust_list resumed>) = 0 [pid 5892] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5889] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5893] rt_sigprocmask(SIG_SETMASK, [], [pid 5892] <... mmap resumed>) = 0x7fd6c315e000 ./strace-static-x86_64: Process 5895 attached ./strace-static-x86_64: Process 5894 attached [pid 5893] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5892] mprotect(0x7fd6c315f000, 131072, PROT_READ|PROT_WRITE [pid 5889] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd6c317e990, parent_tid=0x7fd6c317e990, exit_signal=0, stack=0x7fd6c315e000, stack_size=0x20300, tls=0x7fd6c317e6c0} [pid 5893] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5892] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5896 attached [pid 5853] <... clone resumed>, child_tidptr=0x555557baa690) = 5895 [pid 5894] set_robust_list(0x555557baa6a0, 24 [pid 5896] rseq(0x7fd6c317efe0, 0x20, 0, 0x53053053 [pid 5895] set_robust_list(0x555557baa6a0, 24 [pid 5892] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5857] <... clone resumed>, child_tidptr=0x555557baa690) = 5894 [pid 5896] <... rseq resumed>) = 0 [pid 5892] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5896] set_robust_list(0x7fd6c317e9a0, 24) = 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=0x7fd6c317e990, parent_tid=0x7fd6c317e990, exit_signal=0, stack=0x7fd6c315e000, stack_size=0x20300, tls=0x7fd6c317e6c0} [pid 5894] <... set_robust_list resumed>) = 0 [pid 5896] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5894] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5895] <... set_robust_list resumed>) = 0 [pid 5889] <... clone3 resumed> => {parent_tid=[5896]}, 88) = 5896 [pid 5895] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5889] rt_sigprocmask(SIG_SETMASK, [], [pid 5894] <... prctl resumed>) = 0 [pid 5889] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5895] <... prctl resumed>) = 0 [pid 5894] setpgid(0, 0 [pid 5889] futex(0x7fd6c324d308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5895] setpgid(0, 0 [pid 5894] <... setpgid resumed>) = 0 [pid 5889] <... futex resumed>) = 0 [pid 5894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5889] futex(0x7fd6c324d30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5895] <... setpgid resumed>) = 0 [pid 5895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5894] <... openat resumed>) = 3 [pid 5894] write(3, "1000", 4./strace-static-x86_64: Process 5897 attached [pid 5896] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5894] <... write resumed>) = 4 [pid 5892] <... clone3 resumed> => {parent_tid=[5897]}, 88) = 5897 [pid 5894] close(3 [pid 5895] write(3, "1000", 4 [pid 5894] <... close resumed>) = 0 [pid 5895] <... write resumed>) = 4 [pid 5895] close(3 [pid 5894] write(1, "executing program\n", 18 [pid 5895] <... close resumed>) = 0 executing program executing program [pid 5895] write(1, "executing program\n", 18 [pid 5894] <... write resumed>) = 18 [pid 5895] <... write resumed>) = 18 [pid 5894] futex(0x7fd6c324d30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5897] rseq(0x7fd6c317efe0, 0x20, 0, 0x53053053 [pid 5895] futex(0x7fd6c324d30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] <... futex resumed>) = 0 [pid 5892] rt_sigprocmask(SIG_SETMASK, [], [pid 5897] <... rseq resumed>) = 0 [pid 5895] <... futex resumed>) = 0 [pid 5894] rt_sigaction(SIGRT_1, {sa_handler=0x7fd6c31e9210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd6c31da890}, [pid 5892] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5897] set_robust_list(0x7fd6c317e9a0, 24 [pid 5895] rt_sigaction(SIGRT_1, {sa_handler=0x7fd6c31e9210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd6c31da890}, [pid 5892] futex(0x7fd6c324d308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5897] <... set_robust_list resumed>) = 0 [pid 5895] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5894] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5892] <... futex resumed>) = 0 [pid 5897] rt_sigprocmask(SIG_SETMASK, [], [pid 5895] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5894] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5892] futex(0x7fd6c324d30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5897] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5895] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5894] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5897] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5895] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5894] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5895] <... mmap resumed>) = 0x7fd6c315e000 [pid 5894] <... mmap resumed>) = 0x7fd6c315e000 [pid 5895] mprotect(0x7fd6c315f000, 131072, PROT_READ|PROT_WRITE [pid 5894] mprotect(0x7fd6c315f000, 131072, PROT_READ|PROT_WRITE [pid 5895] <... mprotect resumed>) = 0 [pid 5894] <... mprotect resumed>) = 0 [pid 5894] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5895] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5888] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5895] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5894] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5895] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd6c317e990, parent_tid=0x7fd6c317e990, exit_signal=0, stack=0x7fd6c315e000, stack_size=0x20300, tls=0x7fd6c317e6c0} [pid 5894] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd6c317e990, parent_tid=0x7fd6c317e990, exit_signal=0, stack=0x7fd6c315e000, stack_size=0x20300, tls=0x7fd6c317e6c0}./strace-static-x86_64: Process 5899 attached ./strace-static-x86_64: Process 5898 attached [pid 5899] rseq(0x7fd6c317efe0, 0x20, 0, 0x53053053 [pid 5898] rseq(0x7fd6c317efe0, 0x20, 0, 0x53053053 [pid 5899] <... rseq resumed>) = 0 [pid 5898] <... rseq resumed>) = 0 [pid 5899] set_robust_list(0x7fd6c317e9a0, 24 [pid 5898] set_robust_list(0x7fd6c317e9a0, 24 [pid 5899] <... set_robust_list resumed>) = 0 [pid 5898] <... set_robust_list resumed>) = 0 [pid 5899] rt_sigprocmask(SIG_SETMASK, [], [pid 5898] rt_sigprocmask(SIG_SETMASK, [], [pid 5899] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5899] futex(0x7fd6c324d308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5898] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5898] futex(0x7fd6c324d308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5895] <... clone3 resumed> => {parent_tid=[5899]}, 88) = 5899 [pid 5894] <... clone3 resumed> => {parent_tid=[5898]}, 88) = 5898 [pid 5894] rt_sigprocmask(SIG_SETMASK, [], [pid 5895] rt_sigprocmask(SIG_SETMASK, [], [pid 5894] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5895] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5894] futex(0x7fd6c324d308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5898] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5894] <... futex resumed>) = 0 [pid 5898] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5894] futex(0x7fd6c324d30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5895] futex(0x7fd6c324d308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5889] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5895] <... futex resumed>) = 1 [pid 5899] <... futex resumed>) = 0 [pid 5895] futex(0x7fd6c324d30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5899] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5892] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5895] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5894] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5893] <... unshare resumed>) = 0 [pid 5893] futex(0x7fd6c324d30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5893] futex(0x7fd6c324d308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5888] exit_group(0) = ? [pid 5893] <... futex resumed>) = ? [pid 5893] +++ exited with 0 +++ [pid 5888] +++ exited with 0 +++ [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5888, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557baa690) = 5901 ./strace-static-x86_64: Process 5901 attached [pid 5901] set_robust_list(0x555557baa6a0, 24) = 0 [pid 5901] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5898] <... unshare resumed>) = 0 [pid 5901] setpgid(0, 0 [pid 5898] futex(0x7fd6c324d30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5898] futex(0x7fd6c324d308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5894] exit_group(0) = ? [pid 5901] <... setpgid resumed>) = 0 [pid 5898] <... futex resumed>) = ? [pid 5896] <... unshare resumed>) = 0 [pid 5896] futex(0x7fd6c324d30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5896] futex(0x7fd6c324d308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5889] exit_group(0 [pid 5901] <... openat resumed>) = 3 [pid 5898] +++ exited with 0 +++ [pid 5896] <... futex resumed>) = ? [pid 5894] +++ exited with 0 +++ [pid 5889] <... exit_group resumed>) = ? [pid 5896] +++ exited with 0 +++ [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5894, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5857] restart_syscall(<... resuming interrupted clone ...> [pid 5901] write(3, "1000", 4 [pid 5857] <... restart_syscall resumed>) = 0 [pid 5901] <... write resumed>) = 4 [pid 5889] +++ exited with 0 +++ [pid 5860] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5889, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5901] close(3) = 0 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5904 attached [pid 5901] write(1, "executing program\n", 18executing program [pid 5904] set_robust_list(0x555557baa6a0, 24 [pid 5901] <... write resumed>) = 18 [pid 5904] <... set_robust_list resumed>) = 0 [pid 5901] futex(0x7fd6c324d30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5904] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5901] <... futex resumed>) = 0 [pid 5860] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5901] rt_sigaction(SIGRT_1, {sa_handler=0x7fd6c31e9210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd6c31da890}, [pid 5904] <... prctl resumed>) = 0 [pid 5901] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5857] <... clone resumed>, child_tidptr=0x555557baa690) = 5904 [pid 5904] setpgid(0, 0 [pid 5901] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5904] <... setpgid resumed>) = 0 [pid 5901] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5905 attached [pid 5860] <... clone resumed>, child_tidptr=0x555557baa690) = 5905 [pid 5904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5901] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5905] set_robust_list(0x555557baa6a0, 24) = 0 [pid 5904] <... openat resumed>) = 3 [pid 5901] <... mmap resumed>) = 0x7fd6c315e000 [pid 5901] mprotect(0x7fd6c315f000, 131072, PROT_READ|PROT_WRITE [pid 5905] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5901] <... mprotect resumed>) = 0 [pid 5905] <... prctl resumed>) = 0 [pid 5904] write(3, "1000", 4 [pid 5905] setpgid(0, 0 [pid 5904] <... write resumed>) = 4 [pid 5905] <... setpgid resumed>) = 0 [pid 5904] close(3 [pid 5901] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 5904] <... close resumed>) = 0 [pid 5901] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5904] write(1, "executing program\n", 18 [pid 5901] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd6c317e990, parent_tid=0x7fd6c317e990, exit_signal=0, stack=0x7fd6c315e000, stack_size=0x20300, tls=0x7fd6c317e6c0} [pid 5904] <... write resumed>) = 18 [pid 5904] futex(0x7fd6c324d30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5905] <... openat resumed>) = 3 [pid 5904] rt_sigaction(SIGRT_1, {sa_handler=0x7fd6c31e9210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd6c31da890}, NULL, 8) = 0 [pid 5904] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5905] write(3, "1000", 4executing program ) = 4 ./strace-static-x86_64: Process 5906 attached [pid 5905] close(3 [pid 5904] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5899] <... unshare resumed>) = 0 [pid 5897] <... unshare resumed>) = 0 [pid 5906] rseq(0x7fd6c317efe0, 0x20, 0, 0x53053053 [pid 5905] <... close resumed>) = 0 [pid 5901] <... clone3 resumed> => {parent_tid=[5906]}, 88) = 5906 [pid 5899] futex(0x7fd6c324d30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5897] futex(0x7fd6c324d30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5906] <... rseq resumed>) = 0 [pid 5905] write(1, "executing program\n", 18 [pid 5901] rt_sigprocmask(SIG_SETMASK, [], [pid 5899] <... futex resumed>) = 0 [pid 5897] <... futex resumed>) = 0 [pid 5906] set_robust_list(0x7fd6c317e9a0, 24 [pid 5905] <... write resumed>) = 18 [pid 5901] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5899] futex(0x7fd6c324d308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5897] futex(0x7fd6c324d308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5906] <... set_robust_list resumed>) = 0 [pid 5905] futex(0x7fd6c324d30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5904] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5901] futex(0x7fd6c324d308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5892] exit_group(0 [pid 5906] rt_sigprocmask(SIG_SETMASK, [], [pid 5905] <... futex resumed>) = 0 [pid 5904] <... mmap resumed>) = 0x7fd6c315e000 [pid 5901] <... futex resumed>) = 0 [pid 5906] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5905] rt_sigaction(SIGRT_1, {sa_handler=0x7fd6c31e9210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd6c31da890}, [pid 5901] futex(0x7fd6c324d30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5897] <... futex resumed>) = ? [pid 5892] <... exit_group resumed>) = ? [pid 5906] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5905] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5897] +++ exited with 0 +++ [pid 5904] mprotect(0x7fd6c315f000, 131072, PROT_READ|PROT_WRITE [pid 5895] exit_group(0 [pid 5892] +++ exited with 0 +++ [pid 5895] <... exit_group resumed>) = ? [pid 5905] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5905] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5904] <... mprotect resumed>) = 0 [pid 5905] <... mmap resumed>) = 0x7fd6c315e000 [pid 5899] <... futex resumed>) = ? [pid 5905] mprotect(0x7fd6c315f000, 131072, PROT_READ|PROT_WRITE [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5892, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5905] <... mprotect resumed>) = 0 [pid 5904] rt_sigprocmask(SIG_BLOCK, ~[],