./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor538011796 <...> Warning: Permanently added '10.128.10.4' (ED25519) to the list of known hosts. execve("./syz-executor538011796", ["./syz-executor538011796"], 0x7ffe7fbda7e0 /* 10 vars */) = 0 brk(NULL) = 0x5555947b9000 brk(0x5555947b9d40) = 0x5555947b9d40 arch_prctl(ARCH_SET_FS, 0x5555947b93c0) = 0 set_tid_address(0x5555947b9690) = 5851 set_robust_list(0x5555947b96a0, 24) = 0 rseq(0x5555947b9ce0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor538011796", 4096) = 27 getrandom("\xed\x2a\x7e\xaa\x25\x38\x0c\x3f", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555947b9d40 brk(0x5555947dad40) = 0x5555947dad40 brk(0x5555947db000) = 0x5555947db000 mprotect(0x7f86fbbc7000, 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 5852 attached , child_tidptr=0x5555947b9690) = 5852 [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5852] set_robust_list(0x5555947b96a0, 24) = 0 [pid 5852] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5853 attached [pid 5851] <... clone resumed>, child_tidptr=0x5555947b9690) = 5853 [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5854 attached [pid 5853] set_robust_list(0x5555947b96a0, 24 [pid 5852] <... clone resumed>, child_tidptr=0x5555947b9690) = 5854 [pid 5853] <... set_robust_list resumed>) = 0 [pid 5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5854] set_robust_list(0x5555947b96a0, 24) = 0 ./strace-static-x86_64: Process 5856 attached ./strace-static-x86_64: Process 5855 attached [pid 5854] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5851] <... clone resumed>, child_tidptr=0x5555947b9690) = 5855 [pid 5856] set_robust_list(0x5555947b96a0, 24 [pid 5855] set_robust_list(0x5555947b96a0, 24 [pid 5854] <... prctl resumed>) = 0 [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5856] <... set_robust_list resumed>) = 0 [pid 5855] <... set_robust_list resumed>) = 0 [pid 5854] setpgid(0, 0 [pid 5853] <... clone resumed>, child_tidptr=0x5555947b9690) = 5856 [pid 5856] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5857 attached [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5856] <... prctl resumed>) = 0 [pid 5854] <... setpgid resumed>) = 0 [pid 5854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5857] set_robust_list(0x5555947b96a0, 24) = 0 ./strace-static-x86_64: Process 5858 attached [pid 5851] <... clone resumed>, child_tidptr=0x5555947b9690) = 5857 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5856] setpgid(0, 0) = 0 [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5858] set_robust_list(0x5555947b96a0, 24 [pid 5856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5854] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5859 attached [pid 5857] <... clone resumed>, child_tidptr=0x5555947b9690) = 5859 ./strace-static-x86_64: Process 5860 attached [pid 5859] set_robust_list(0x5555947b96a0, 24 [pid 5858] <... set_robust_list resumed>) = 0 [pid 5856] <... openat resumed>) = 3 [pid 5855] <... clone resumed>, child_tidptr=0x5555947b9690) = 5858 [pid 5854] write(3, "1000", 4 [pid 5851] <... clone resumed>, child_tidptr=0x5555947b9690) = 5860 [pid 5860] set_robust_list(0x5555947b96a0, 24 [pid 5859] <... set_robust_list resumed>) = 0 [pid 5858] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5856] write(3, "1000", 4 [pid 5860] <... set_robust_list resumed>) = 0 [pid 5858] <... prctl resumed>) = 0 [pid 5859] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5854] <... write resumed>) = 4 [pid 5856] <... write resumed>) = 4 [pid 5860] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5858] setpgid(0, 0 [pid 5859] <... prctl resumed>) = 0 [pid 5858] <... setpgid resumed>) = 0 [pid 5856] close(3 [pid 5854] close(3 [pid 5859] setpgid(0, 0 [pid 5856] <... close resumed>) = 0 [pid 5859] <... setpgid resumed>) = 0 executing program executing program [pid 5858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5856] write(1, "executing program\n", 18 [pid 5854] <... close resumed>) = 0 ./strace-static-x86_64: Process 5861 attached [pid 5859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5856] <... write resumed>) = 18 [pid 5854] write(1, "executing program\n", 18 [pid 5856] futex(0x7f86fbbcd30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5861] set_robust_list(0x5555947b96a0, 24 [pid 5860] <... clone resumed>, child_tidptr=0x5555947b9690) = 5861 [pid 5859] <... openat resumed>) = 3 [pid 5858] <... openat resumed>) = 3 [pid 5856] <... futex resumed>) = 0 [pid 5854] <... write resumed>) = 18 [pid 5861] <... set_robust_list resumed>) = 0 [pid 5858] write(3, "1000", 4 [pid 5861] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5859] write(3, "1000", 4 [pid 5858] <... write resumed>) = 4 [pid 5856] rt_sigaction(SIGRT_1, {sa_handler=0x7f86fbb69250, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f86fbb5a8d0}, [pid 5854] futex(0x7f86fbbcd30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5861] <... prctl resumed>) = 0 [pid 5859] <... write resumed>) = 4 [pid 5858] close(3 [pid 5856] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5854] <... futex resumed>) = 0 [pid 5861] setpgid(0, 0 [pid 5859] close(3 [pid 5856] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5854] rt_sigaction(SIGRT_1, {sa_handler=0x7f86fbb69250, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f86fbb5a8d0}, [pid 5861] <... setpgid resumed>) = 0 [pid 5859] <... close resumed>) = 0 [pid 5858] <... close resumed>) = 0 [pid 5856] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5854] <... rt_sigaction resumed>NULL, 8) = 0 executing program [pid 5859] write(1, "executing program\n", 18 [pid 5858] write(1, "executing program\n", 18 [pid 5856] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5854] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], executing program [pid 5859] <... write resumed>) = 18 [pid 5856] <... mmap resumed>) = 0x7f86fbade000 [pid 5854] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] futex(0x7f86fbbcd30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5854] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5858] <... write resumed>) = 18 [pid 5859] rt_sigaction(SIGRT_1, {sa_handler=0x7f86fbb69250, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f86fbb5a8d0}, [pid 5858] futex(0x7f86fbbcd30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] mprotect(0x7f86fbadf000, 131072, PROT_READ|PROT_WRITE [pid 5854] <... mmap resumed>) = 0x7f86fbade000 [pid 5859] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5858] <... futex resumed>) = 0 [pid 5856] <... mprotect resumed>) = 0 [pid 5854] mprotect(0x7f86fbadf000, 131072, PROT_READ|PROT_WRITE [pid 5859] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5858] rt_sigaction(SIGRT_1, {sa_handler=0x7f86fbb69250, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f86fbb5a8d0}, [pid 5856] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5854] <... mprotect resumed>) = 0 [pid 5859] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5861] <... openat resumed>) = 3 [pid 5858] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5856] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5854] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5859] <... mmap resumed>) = 0x7f86fbade000 [pid 5858] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [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=0x7f86fbafe990, parent_tid=0x7f86fbafe990, exit_signal=0, stack=0x7f86fbade000, stack_size=0x20300, tls=0x7f86fbafe6c0} [pid 5854] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5862 attached [pid 5861] write(3, "1000", 4 [pid 5859] mprotect(0x7f86fbadf000, 131072, PROT_READ|PROT_WRITE [pid 5858] <... rt_sigprocmask resumed>NULL, 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=0x7f86fbafe990, parent_tid=0x7f86fbafe990, exit_signal=0, stack=0x7f86fbade000, stack_size=0x20300, tls=0x7f86fbafe6c0} [pid 5862] rseq(0x7f86fbafefe0, 0x20, 0, 0x53053053 [pid 5861] <... write resumed>) = 4 [pid 5859] <... mprotect resumed>) = 0 [pid 5858] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5863 attached [pid 5862] <... rseq resumed>) = 0 [pid 5861] close(3 [pid 5859] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5858] <... mmap resumed>) = 0x7f86fbade000 [pid 5856] <... clone3 resumed> => {parent_tid=[5862]}, 88) = 5862 [pid 5863] rseq(0x7f86fbafefe0, 0x20, 0, 0x53053053 [pid 5862] set_robust_list(0x7f86fbafe9a0, 24 [pid 5861] <... close resumed>) = 0 [pid 5859] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5858] mprotect(0x7f86fbadf000, 131072, PROT_READ|PROT_WRITE [pid 5856] rt_sigprocmask(SIG_SETMASK, [], [pid 5854] <... clone3 resumed> => {parent_tid=[5863]}, 88) = 5863 [pid 5863] <... rseq resumed>) = 0 [pid 5862] <... set_robust_list resumed>) = 0 executing program [pid 5861] write(1, "executing program\n", 18 [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=0x7f86fbafe990, parent_tid=0x7f86fbafe990, exit_signal=0, stack=0x7f86fbade000, stack_size=0x20300, tls=0x7f86fbafe6c0} [pid 5858] <... mprotect resumed>) = 0 [pid 5856] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5854] rt_sigprocmask(SIG_SETMASK, [], [pid 5863] set_robust_list(0x7f86fbafe9a0, 24 [pid 5862] rt_sigprocmask(SIG_SETMASK, [], [pid 5861] <... write resumed>) = 18 [pid 5856] futex(0x7f86fbbcd308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... set_robust_list resumed>) = 0 [pid 5862] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5861] futex(0x7f86fbbcd30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5862] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5861] <... futex resumed>) = 0 [pid 5856] <... futex resumed>) = 0 [pid 5854] futex(0x7f86fbbcd308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5864 attached [pid 5863] rt_sigprocmask(SIG_SETMASK, [], [pid 5858] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5854] <... futex resumed>) = 0 [pid 5864] rseq(0x7f86fbafefe0, 0x20, 0, 0x53053053 [pid 5863] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] <... clone3 resumed> => {parent_tid=[5864]}, 88) = 5864 [pid 5858] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5864] <... rseq resumed>) = 0 [pid 5863] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5859] rt_sigprocmask(SIG_SETMASK, [], [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=0x7f86fbafe990, parent_tid=0x7f86fbafe990, exit_signal=0, stack=0x7f86fbade000, stack_size=0x20300, tls=0x7f86fbafe6c0} [pid 5864] set_robust_list(0x7f86fbafe9a0, 24 [pid 5861] rt_sigaction(SIGRT_1, {sa_handler=0x7f86fbb69250, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f86fbb5a8d0}, [pid 5856] futex(0x7f86fbbcd30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5854] futex(0x7f86fbbcd30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] <... set_robust_list resumed>) = 0 [pid 5861] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5859] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5865 attached [pid 5864] rt_sigprocmask(SIG_SETMASK, [], [pid 5861] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5859] futex(0x7f86fbbcd308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... clone3 resumed> => {parent_tid=[5865]}, 88) = 5865 [pid 5861] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] <... futex resumed>) = 0 [pid 5858] rt_sigprocmask(SIG_SETMASK, [], [pid 5865] rseq(0x7f86fbafefe0, 0x20, 0, 0x53053053 [pid 5864] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5861] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5859] futex(0x7f86fbbcd30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5858] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5865] <... rseq resumed>) = 0 [pid 5864] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5861] <... mmap resumed>) = 0x7f86fbade000 [pid 5858] futex(0x7f86fbbcd308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] set_robust_list(0x7f86fbafe9a0, 24 [pid 5861] mprotect(0x7f86fbadf000, 131072, PROT_READ|PROT_WRITE [pid 5858] <... futex resumed>) = 0 [pid 5865] <... set_robust_list resumed>) = 0 [pid 5861] <... mprotect resumed>) = 0 [pid 5865] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5865] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5858] futex(0x7f86fbbcd30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5861] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5861] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f86fbafe990, parent_tid=0x7f86fbafe990, exit_signal=0, stack=0x7f86fbade000, stack_size=0x20300, tls=0x7f86fbafe6c0}./strace-static-x86_64: Process 5867 attached => {parent_tid=[5867]}, 88) = 5867 [pid 5867] rseq(0x7f86fbafefe0, 0x20, 0, 0x53053053 [pid 5861] rt_sigprocmask(SIG_SETMASK, [], [pid 5867] <... rseq resumed>) = 0 [pid 5861] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] set_robust_list(0x7f86fbafe9a0, 24 [pid 5861] futex(0x7f86fbbcd308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... set_robust_list resumed>) = 0 [pid 5861] <... futex resumed>) = 0 [pid 5867] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5867] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5861] futex(0x7f86fbbcd30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5854] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5856] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5856] futex(0x7f86fbbcd31c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] futex(0x7f86fbbcd31c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] <... futex resumed>) = 0 [pid 5854] <... futex resumed>) = 0 [pid 5856] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5854] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5859] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5856] <... mmap resumed>) = 0x7f86fbabd000 [pid 5854] <... mmap resumed>) = 0x7f86fbabd000 [pid 5859] futex(0x7f86fbbcd31c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] mprotect(0x7f86fbabe000, 131072, PROT_READ|PROT_WRITE [pid 5859] <... futex resumed>) = 0 [pid 5859] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5856] mprotect(0x7f86fbabe000, 131072, PROT_READ|PROT_WRITE [pid 5854] <... mprotect resumed>) = 0 [pid 5859] <... mmap resumed>) = 0x7f86fbabd000 [pid 5859] mprotect(0x7f86fbabe000, 131072, PROT_READ|PROT_WRITE [pid 5856] <... mprotect resumed>) = 0 [pid 5854] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5859] <... mprotect resumed>) = 0 [pid 5854] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5859] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5856] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5854] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f86fbadd990, parent_tid=0x7f86fbadd990, exit_signal=0, stack=0x7f86fbabd000, stack_size=0x20300, tls=0x7f86fbadd6c0} [pid 5859] <... rt_sigprocmask resumed>[], 8) = 0 [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=0x7f86fbadd990, parent_tid=0x7f86fbadd990, exit_signal=0, stack=0x7f86fbabd000, stack_size=0x20300, tls=0x7f86fbadd6c0}./strace-static-x86_64: Process 5868 attached => {parent_tid=[5869]}, 88) = 5869 [pid 5859] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 5869 attached [pid 5868] rseq(0x7f86fbaddfe0, 0x20, 0, 0x53053053 [pid 5859] futex(0x7f86fbbcd318, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5854] <... clone3 resumed> => {parent_tid=[5868]}, 88) = 5868 [pid 5868] <... rseq resumed>) = 0 [pid 5859] <... futex resumed>) = 0 [pid 5854] rt_sigprocmask(SIG_SETMASK, [], [pid 5868] set_robust_list(0x7f86fbadd9a0, 24 [pid 5859] futex(0x7f86fbbcd31c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [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=0x7f86fbadd990, parent_tid=0x7f86fbadd990, exit_signal=0, stack=0x7f86fbabd000, stack_size=0x20300, tls=0x7f86fbadd6c0} [pid 5869] rseq(0x7f86fbaddfe0, 0x20, 0, 0x53053053 [pid 5854] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5868] <... set_robust_list resumed>) = 0 [pid 5854] futex(0x7f86fbbcd318, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5870 attached [pid 5869] <... rseq resumed>) = 0 [pid 5868] rt_sigprocmask(SIG_SETMASK, [], [pid 5858] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5854] <... futex resumed>) = 0 [pid 5870] rseq(0x7f86fbaddfe0, 0x20, 0, 0x53053053 [pid 5869] set_robust_list(0x7f86fbadd9a0, 24 [pid 5868] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5858] futex(0x7f86fbbcd31c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] <... clone3 resumed> => {parent_tid=[5870]}, 88) = 5870 [pid 5854] futex(0x7f86fbbcd31c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5870] <... rseq resumed>) = 0 [pid 5869] <... set_robust_list resumed>) = 0 [pid 5868] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER [pid 5858] <... futex resumed>) = 0 [pid 5856] rt_sigprocmask(SIG_SETMASK, [], [pid 5870] set_robust_list(0x7f86fbadd9a0, 24 [pid 5869] rt_sigprocmask(SIG_SETMASK, [], [pid 5868] <... socket resumed>) = 3 [pid 5858] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5856] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5870] <... set_robust_list resumed>) = 0 [pid 5869] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5868] futex(0x7f86fbbcd31c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... mmap resumed>) = 0x7f86fbabd000 [pid 5856] futex(0x7f86fbbcd318, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] rt_sigprocmask(SIG_SETMASK, [], [pid 5869] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER [pid 5868] <... futex resumed>) = 1 [pid 5858] mprotect(0x7f86fbabe000, 131072, PROT_READ|PROT_WRITE [pid 5856] <... futex resumed>) = 0 [pid 5854] <... futex resumed>) = 0 [pid 5870] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5869] <... socket resumed>) = 3 [pid 5868] futex(0x7f86fbbcd318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5858] <... mprotect resumed>) = 0 [pid 5856] futex(0x7f86fbbcd31c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5870] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER [pid 5869] futex(0x7f86fbbcd31c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5870] <... socket resumed>) = 3 [pid 5869] <... futex resumed>) = 1 [pid 5859] <... futex resumed>) = 0 [pid 5858] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5870] futex(0x7f86fbbcd31c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] futex(0x7f86fbbcd318, FUTEX_WAIT_PRIVATE, 0, NULL [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=0x7f86fbadd990, parent_tid=0x7f86fbadd990, exit_signal=0, stack=0x7f86fbabd000, stack_size=0x20300, tls=0x7f86fbadd6c0}./strace-static-x86_64: Process 5871 attached [pid 5871] rseq(0x7f86fbaddfe0, 0x20, 0, 0x53053053 [pid 5858] <... clone3 resumed> => {parent_tid=[5871]}, 88) = 5871 [pid 5871] <... rseq resumed>) = 0 [pid 5870] <... futex resumed>) = 1 [pid 5858] rt_sigprocmask(SIG_SETMASK, [], [pid 5856] <... futex resumed>) = 0 [pid 5871] set_robust_list(0x7f86fbadd9a0, 24 [pid 5870] futex(0x7f86fbbcd318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5858] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5871] <... set_robust_list resumed>) = 0 [pid 5858] futex(0x7f86fbbcd318, FUTEX_WAKE_PRIVATE, 1000000 [pid 5871] rt_sigprocmask(SIG_SETMASK, [], [pid 5858] <... futex resumed>) = 0 [pid 5871] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5858] futex(0x7f86fbbcd31c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5871] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3 [pid 5871] futex(0x7f86fbbcd31c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5858] <... futex resumed>) = 0 [pid 5871] futex(0x7f86fbbcd318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5861] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5861] futex(0x7f86fbbcd31c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5861] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f86fbabd000 [pid 5861] mprotect(0x7f86fbabe000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5861] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5861] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f86fbadd990, parent_tid=0x7f86fbadd990, exit_signal=0, stack=0x7f86fbabd000, stack_size=0x20300, tls=0x7f86fbadd6c0}./strace-static-x86_64: Process 5872 attached => {parent_tid=[5872]}, 88) = 5872 [pid 5861] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5861] futex(0x7f86fbbcd318, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5861] futex(0x7f86fbbcd31c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5872] rseq(0x7f86fbaddfe0, 0x20, 0, 0x53053053) = 0 [pid 5872] set_robust_list(0x7f86fbadd9a0, 24) = 0 [pid 5872] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5872] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3 [pid 5872] futex(0x7f86fbbcd31c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5861] <... futex resumed>) = 0 [pid 5872] futex(0x7f86fbbcd318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5864] <... unshare resumed>) = 0 [pid 5864] futex(0x7f86fbbcd30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5863] <... unshare resumed>) = 0 [pid 5859] exit_group(0 [pid 5864] ???( [pid 5863] futex(0x7f86fbbcd30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] <... futex resumed>) = ? [pid 5854] exit_group(0 [pid 5868] <... futex resumed>) = ? [pid 5854] <... exit_group resumed>) = ? [pid 5868] +++ exited with 0 +++ [pid 5869] +++ exited with 0 +++ [pid 5864] <... ??? resumed>) = ? [pid 5864] +++ exited with 0 +++ [pid 5863] <... futex resumed>) = ? [pid 5859] <... exit_group resumed>) = ? [pid 5863] +++ exited with 0 +++ [pid 5854] +++ exited with 0 +++ [pid 5852] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5854, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5852] restart_syscall(<... resuming interrupted clone ...> [pid 5862] <... unshare resumed>) = 0 [pid 5859] +++ exited with 0 +++ [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5859, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5862] futex(0x7f86fbbcd30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5857] restart_syscall(<... resuming interrupted clone ...> [pid 5862] futex(0x7f86fbbcd308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5856] exit_group(0 [pid 5870] <... futex resumed>) = ? [pid 5862] <... futex resumed>) = ? [pid 5856] <... exit_group resumed>) = ? [pid 5870] +++ exited with 0 +++ [pid 5862] +++ exited with 0 +++ [pid 5857] <... restart_syscall resumed>) = 0 [pid 5852] <... restart_syscall resumed>) = 0 [pid 5856] +++ exited with 0 +++ [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5856, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5852] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5857] <... clone resumed>, child_tidptr=0x5555947b9690) = 5876 ./strace-static-x86_64: Process 5876 attached ./strace-static-x86_64: Process 5877 attached [pid 5876] set_robust_list(0x5555947b96a0, 24 [pid 5852] <... clone resumed>, child_tidptr=0x5555947b9690) = 5877 [pid 5877] set_robust_list(0x5555947b96a0, 24) = 0 [pid 5877] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5876] <... set_robust_list resumed>) = 0 [pid 5877] <... prctl resumed>) = 0 [pid 5876] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5877] setpgid(0, 0 [pid 5876] <... prctl resumed>) = 0 [pid 5876] setpgid(0, 0) = 0 [pid 5877] <... setpgid resumed>) = 0 [pid 5876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5876] <... openat resumed>) = 3 [pid 5877] <... openat resumed>) = 3 [pid 5876] write(3, "1000", 4 [pid 5877] write(3, "1000", 4 [pid 5876] <... write resumed>) = 4 [pid 5865] <... unshare resumed>) = 0 [pid 5877] <... write resumed>) = 4 [pid 5876] close(3 [pid 5877] close(3 [pid 5876] <... close resumed>) = 0 [pid 5877] <... close resumed>) = 0 executing program [pid 5876] write(1, "executing program\n", 18executing program [pid 5877] write(1, "executing program\n", 18 [pid 5876] <... write resumed>) = 18 [pid 5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5877] <... write resumed>) = 18 [pid 5876] futex(0x7f86fbbcd30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... unshare resumed>) = 0 ./strace-static-x86_64: Process 5880 attached [pid 5877] futex(0x7f86fbbcd30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] <... futex resumed>) = 0 [pid 5865] futex(0x7f86fbbcd30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] exit_group(0 [pid 5880] set_robust_list(0x5555947b96a0, 24 [pid 5877] <... futex resumed>) = 0 [pid 5876] rt_sigaction(SIGRT_1, {sa_handler=0x7f86fbb69250, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f86fbb5a8d0}, [pid 5871] <... futex resumed>) = ? [pid 5865] <... futex resumed>) = ? [pid 5858] <... exit_group resumed>) = ? [pid 5880] <... set_robust_list resumed>) = 0 [pid 5877] rt_sigaction(SIGRT_1, {sa_handler=0x7f86fbb69250, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f86fbb5a8d0}, [pid 5876] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5871] +++ exited with 0 +++ [pid 5865] +++ exited with 0 +++ [pid 5858] +++ exited with 0 +++ [pid 5853] <... clone resumed>, child_tidptr=0x5555947b9690) = 5880 [pid 5880] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5877] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5876] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5867] futex(0x7f86fbbcd30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5858, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5877] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5876] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] <... futex resumed>) = 0 [pid 5855] restart_syscall(<... resuming interrupted clone ...> [pid 5877] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5876] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5867] futex(0x7f86fbbcd308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5855] <... restart_syscall resumed>) = 0 [pid 5880] <... prctl resumed>) = 0 [pid 5877] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5876] <... mmap resumed>) = 0x7f86fbade000 [pid 5880] setpgid(0, 0 [pid 5877] <... mmap resumed>) = 0x7f86fbade000 [pid 5876] mprotect(0x7f86fbadf000, 131072, PROT_READ|PROT_WRITE [pid 5877] mprotect(0x7f86fbadf000, 131072, PROT_READ|PROT_WRITE [pid 5876] <... mprotect resumed>) = 0 [pid 5861] exit_group(0 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5881 attached [pid 5877] <... mprotect resumed>) = 0 [pid 5876] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5881] set_robust_list(0x5555947b96a0, 24 [pid 5877] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5876] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5855] <... clone resumed>, child_tidptr=0x5555947b9690) = 5881 [pid 5881] <... set_robust_list resumed>) = 0 [pid 5877] <... rt_sigprocmask resumed>[], 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=0x7f86fbafe990, parent_tid=0x7f86fbafe990, exit_signal=0, stack=0x7f86fbade000, stack_size=0x20300, tls=0x7f86fbafe6c0}./strace-static-x86_64: Process 5882 attached [pid 5881] prctl(PR_SET_PDEATHSIG, SIGKILL [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=0x7f86fbafe990, parent_tid=0x7f86fbafe990, exit_signal=0, stack=0x7f86fbade000, stack_size=0x20300, tls=0x7f86fbafe6c0} [pid 5882] rseq(0x7f86fbafefe0, 0x20, 0, 0x53053053 [pid 5881] <... prctl resumed>) = 0 [pid 5880] <... setpgid resumed>) = 0 [pid 5876] <... clone3 resumed> => {parent_tid=[5882]}, 88) = 5882 [pid 5872] <... futex resumed>) = ? [pid 5867] <... futex resumed>) = ? [pid 5861] <... exit_group resumed>) = ? [pid 5882] <... rseq resumed>) = 0 [pid 5881] setpgid(0, 0 [pid 5882] set_robust_list(0x7f86fbafe9a0, 24 [pid 5880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5876] rt_sigprocmask(SIG_SETMASK, [], [pid 5872] +++ exited with 0 +++ [pid 5867] +++ exited with 0 +++ [pid 5882] <... set_robust_list resumed>) = 0 [pid 5881] <... setpgid resumed>) = 0 [pid 5877] <... clone3 resumed> => {parent_tid=[5883]}, 88) = 5883 [pid 5876] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5883 attached [pid 5882] rt_sigprocmask(SIG_SETMASK, [], [pid 5880] <... openat resumed>) = 3 [pid 5877] rt_sigprocmask(SIG_SETMASK, [], [pid 5876] futex(0x7f86fbbcd308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5861] +++ exited with 0 +++ [pid 5882] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5877] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5876] <... futex resumed>) = 0 [pid 5860] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5861, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5883] rseq(0x7f86fbafefe0, 0x20, 0, 0x53053053 [pid 5882] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5881] <... openat resumed>) = 3 [pid 5880] write(3, "1000", 4 [pid 5877] futex(0x7f86fbbcd308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] futex(0x7f86fbbcd30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5883] <... rseq resumed>) = 0 [pid 5880] <... write resumed>) = 4 [pid 5883] set_robust_list(0x7f86fbafe9a0, 24 [pid 5880] close(3 [pid 5883] <... set_robust_list resumed>) = 0 [pid 5880] <... close resumed>) = 0 [pid 5883] rt_sigprocmask(SIG_SETMASK, [], executing program executing program [pid 5880] write(1, "executing program\n", 18 [pid 5860] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5883] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5880] <... write resumed>) = 18 [pid 5883] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5880] futex(0x7f86fbbcd30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] <... futex resumed>) = 0 [pid 5881] write(3, "1000", 4 [pid 5877] futex(0x7f86fbbcd30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5881] <... write resumed>) = 4 [pid 5881] close(3) = 0 [pid 5881] write(1, "executing program\n", 18) = 18 [pid 5881] futex(0x7f86fbbcd30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5881] rt_sigaction(SIGRT_1, {sa_handler=0x7f86fbb69250, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f86fbb5a8d0}, NULL, 8) = 0 [pid 5881] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5881] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f86fbade000 [pid 5881] mprotect(0x7f86fbadf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5881] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5881] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f86fbafe990, parent_tid=0x7f86fbafe990, exit_signal=0, stack=0x7f86fbade000, stack_size=0x20300, tls=0x7f86fbafe6c0}./strace-static-x86_64: Process 5884 attached => {parent_tid=[5884]}, 88) = 5884 [pid 5884] rseq(0x7f86fbafefe0, 0x20, 0, 0x53053053 [pid 5881] rt_sigprocmask(SIG_SETMASK, [], [pid 5880] <... futex resumed>) = 0 [pid 5884] <... rseq resumed>) = 0 [pid 5881] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5885 attached [pid 5884] set_robust_list(0x7f86fbafe9a0, 24 [pid 5881] futex(0x7f86fbbcd308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5880] rt_sigaction(SIGRT_1, {sa_handler=0x7f86fbb69250, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f86fbb5a8d0}, [pid 5860] <... clone resumed>, child_tidptr=0x5555947b9690) = 5885 [pid 5880] <... rt_sigaction resumed>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 [pid 5881] <... futex resumed>) = 0 [pid 5880] <... mmap resumed>) = 0x7f86fbade000 [pid 5884] <... set_robust_list resumed>) = 0 [pid 5881] futex(0x7f86fbbcd30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5880] mprotect(0x7f86fbadf000, 131072, PROT_READ|PROT_WRITE [pid 5884] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5885] set_robust_list(0x5555947b96a0, 24 [pid 5884] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5885] <... set_robust_list resumed>) = 0 [pid 5885] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5885] setpgid(0, 0) = 0 [pid 5885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5880] <... mprotect resumed>) = 0 [pid 5885] write(3, "1000", 4 [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=0x7f86fbafe990, parent_tid=0x7f86fbafe990, exit_signal=0, stack=0x7f86fbade000, stack_size=0x20300, tls=0x7f86fbafe6c0}./strace-static-x86_64: Process 5886 attached => {parent_tid=[5886]}, 88) = 5886 [pid 5885] <... write resumed>) = 4 [pid 5880] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5886] rseq(0x7f86fbafefe0, 0x20, 0, 0x53053053 [pid 5885] close(3 [pid 5880] futex(0x7f86fbbcd308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] <... rseq resumed>) = 0 [pid 5885] <... close resumed>) = 0 [pid 5880] <... futex resumed>) = 0 executing program [pid 5886] set_robust_list(0x7f86fbafe9a0, 24 [pid 5885] write(1, "executing program\n", 18 [pid 5880] futex(0x7f86fbbcd30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5886] <... set_robust_list resumed>) = 0 [pid 5885] <... write resumed>) = 18 [pid 5877] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5886] rt_sigprocmask(SIG_SETMASK, [], [pid 5885] futex(0x7f86fbbcd30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] futex(0x7f86fbbcd31c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5886] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5885] <... futex resumed>) = 0 [pid 5877] <... futex resumed>) = 0 [pid 5886] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5885] rt_sigaction(SIGRT_1, {sa_handler=0x7f86fbb69250, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f86fbb5a8d0}, [pid 5876] futex(0x7f86fbbcd31c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f86fbabd000 [pid 5877] mprotect(0x7f86fbabe000, 131072, PROT_READ|PROT_WRITE [pid 5885] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5877] <... mprotect resumed>) = 0 [pid 5876] <... futex resumed>) = 0 [pid 5885] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5877] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5876] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5885] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5877] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5876] <... mmap resumed>) = 0x7f86fbabd000 [pid 5885] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 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=0x7f86fbadd990, parent_tid=0x7f86fbadd990, exit_signal=0, stack=0x7f86fbabd000, stack_size=0x20300, tls=0x7f86fbadd6c0} [pid 5876] mprotect(0x7f86fbabe000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5887 attached [pid 5885] <... mmap resumed>) = 0x7f86fbade000 [pid 5876] <... mprotect resumed>) = 0 [pid 5887] rseq(0x7f86fbaddfe0, 0x20, 0, 0x53053053 [pid 5885] mprotect(0x7f86fbadf000, 131072, PROT_READ|PROT_WRITE [pid 5877] <... clone3 resumed> => {parent_tid=[5887]}, 88) = 5887 [pid 5876] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5887] <... rseq resumed>) = 0 [pid 5885] <... mprotect resumed>) = 0 [pid 5877] rt_sigprocmask(SIG_SETMASK, [], [pid 5876] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5887] set_robust_list(0x7f86fbadd9a0, 24 [pid 5885] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5877] <... rt_sigprocmask 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=0x7f86fbadd990, parent_tid=0x7f86fbadd990, exit_signal=0, stack=0x7f86fbabd000, stack_size=0x20300, tls=0x7f86fbadd6c0} [pid 5887] <... set_robust_list resumed>) = 0 [pid 5885] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f86fbafe990, parent_tid=0x7f86fbafe990, exit_signal=0, stack=0x7f86fbade000, stack_size=0x20300, tls=0x7f86fbafe6c0} [pid 5881] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5877] futex(0x7f86fbbcd318, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5889 attached ./strace-static-x86_64: Process 5888 attached [pid 5887] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5885] <... clone3 resumed> => {parent_tid=[5889]}, 88) = 5889 [pid 5881] futex(0x7f86fbbcd31c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] <... futex resumed>) = 0 [pid 5876] <... clone3 resumed> => {parent_tid=[5888]}, 88) = 5888 [pid 5887] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER [pid 5885] rt_sigprocmask(SIG_SETMASK, [], [pid 5883] <... unshare resumed>) = 0 [pid 5877] futex(0x7f86fbbcd31c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5876] rt_sigprocmask(SIG_SETMASK, [], [pid 5887] <... socket resumed>) = 3 [pid 5885] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5883] futex(0x7f86fbbcd30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5887] futex(0x7f86fbbcd31c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5885] futex(0x7f86fbbcd308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5883] <... futex resumed>) = 0 [pid 5876] futex(0x7f86fbbcd318, FUTEX_WAKE_PRIVATE, 1000000 [pid 5887] <... futex resumed>) = 1 [pid 5885] <... futex resumed>) = 0 [pid 5883] futex(0x7f86fbbcd308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5877] <... futex resumed>) = 0 [pid 5876] <... futex resumed>) = 0 [pid 5887] futex(0x7f86fbbcd318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5885] futex(0x7f86fbbcd30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5877] exit_group(0 [pid 5876] futex(0x7f86fbbcd31c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5887] <... futex resumed>) = ? [pid 5883] <... futex resumed>) = ? [pid 5877] <... exit_group resumed>) = ? [pid 5889] rseq(0x7f86fbafefe0, 0x20, 0, 0x53053053 [pid 5888] rseq(0x7f86fbaddfe0, 0x20, 0, 0x53053053 [pid 5887] +++ exited with 0 +++ [pid 5883] +++ exited with 0 +++ [pid 5881] <... futex resumed>) = 0 [pid 5877] +++ exited with 0 +++ [pid 5889] <... rseq resumed>) = 0 [pid 5888] <... rseq resumed>) = 0 [pid 5881] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5889] set_robust_list(0x7f86fbafe9a0, 24 [pid 5888] set_robust_list(0x7f86fbadd9a0, 24 [pid 5881] <... mmap resumed>) = 0x7f86fbabd000 [pid 5852] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5877, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5889] <... set_robust_list resumed>) = 0 [pid 5888] <... set_robust_list resumed>) = 0 [pid 5881] mprotect(0x7f86fbabe000, 131072, PROT_READ|PROT_WRITE [pid 5889] rt_sigprocmask(SIG_SETMASK, [], [pid 5888] rt_sigprocmask(SIG_SETMASK, [], [pid 5881] <... mprotect resumed>) = 0 [pid 5880] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5852] restart_syscall(<... resuming interrupted clone ...> [pid 5889] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5888] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5881] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5880] futex(0x7f86fbbcd31c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5889] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5888] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER [pid 5881] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5880] <... futex resumed>) = 0 [pid 5852] <... restart_syscall resumed>) = 0 [pid 5888] <... socket resumed>) = 3 [pid 5881] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f86fbadd990, parent_tid=0x7f86fbadd990, exit_signal=0, stack=0x7f86fbabd000, stack_size=0x20300, tls=0x7f86fbadd6c0} [pid 5880] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5891 attached [pid 5888] futex(0x7f86fbbcd31c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5891] rseq(0x7f86fbaddfe0, 0x20, 0, 0x53053053 [pid 5880] <... mmap resumed>) = 0x7f86fbabd000 [pid 5891] <... rseq resumed>) = 0 [pid 5888] <... futex resumed>) = 1 [pid 5881] <... clone3 resumed> => {parent_tid=[5891]}, 88) = 5891 [pid 5880] mprotect(0x7f86fbabe000, 131072, PROT_READ|PROT_WRITE [pid 5852] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5891] set_robust_list(0x7f86fbadd9a0, 24 [pid 5888] futex(0x7f86fbbcd318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5881] rt_sigprocmask(SIG_SETMASK, [], [pid 5880] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5892 attached [pid 5891] <... set_robust_list resumed>) = 0 [pid 5881] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5876] <... futex resumed>) = 0 [pid 5892] set_robust_list(0x5555947b96a0, 24 [pid 5891] rt_sigprocmask(SIG_SETMASK, [], [pid 5881] futex(0x7f86fbbcd318, FUTEX_WAKE_PRIVATE, 1000000 [pid 5880] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5852] <... clone resumed>, child_tidptr=0x5555947b9690) = 5892 [pid 5892] <... set_robust_list resumed>) = 0 [pid 5880] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5892] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5891] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5881] <... futex resumed>) = 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=0x7f86fbadd990, parent_tid=0x7f86fbadd990, exit_signal=0, stack=0x7f86fbabd000, stack_size=0x20300, tls=0x7f86fbadd6c0} [pid 5892] <... prctl resumed>) = 0 [pid 5891] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER [pid 5881] futex(0x7f86fbbcd31c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5892] setpgid(0, 0 [pid 5880] <... clone3 resumed> => {parent_tid=[5893]}, 88) = 5893 [pid 5892] <... setpgid resumed>) = 0 [pid 5880] rt_sigprocmask(SIG_SETMASK, [], [pid 5891] <... socket resumed>) = 3 [pid 5892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5885] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5880] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5893 attached [pid 5891] futex(0x7f86fbbcd31c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5892] <... openat resumed>) = 3 [pid 5891] <... futex resumed>) = 1 [pid 5881] <... futex resumed>) = 0 [pid 5880] futex(0x7f86fbbcd318, FUTEX_WAKE_PRIVATE, 1000000 [pid 5892] write(3, "1000", 4 [pid 5891] futex(0x7f86fbbcd318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5885] futex(0x7f86fbbcd31c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5880] <... futex resumed>) = 0 [pid 5892] <... write resumed>) = 4 [pid 5885] <... futex resumed>) = 0 [pid 5880] futex(0x7f86fbbcd31c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5893] rseq(0x7f86fbaddfe0, 0x20, 0, 0x53053053 [pid 5892] close(3 [pid 5885] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5893] <... rseq resumed>) = 0 [pid 5893] set_robust_list(0x7f86fbadd9a0, 24 [pid 5885] <... mmap resumed>) = 0x7f86fbabd000 [pid 5893] <... set_robust_list resumed>) = 0 [pid 5893] rt_sigprocmask(SIG_SETMASK, [], [pid 5892] <... close resumed>) = 0 [pid 5885] mprotect(0x7f86fbabe000, 131072, PROT_READ|PROT_WRITE [pid 5893] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5885] <... mprotect resumed>) = 0 [pid 5892] write(1, "executing program\n", 18executing program [pid 5893] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER [pid 5892] <... write resumed>) = 18 [pid 5885] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5893] <... socket resumed>) = 3 [pid 5892] futex(0x7f86fbbcd30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5885] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5892] <... futex resumed>) = 0 [pid 5885] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f86fbadd990, parent_tid=0x7f86fbadd990, exit_signal=0, stack=0x7f86fbabd000, stack_size=0x20300, tls=0x7f86fbadd6c0} [pid 5892] rt_sigaction(SIGRT_1, {sa_handler=0x7f86fbb69250, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f86fbb5a8d0}, NULL, 8) = 0 [pid 5885] <... clone3 resumed> => {parent_tid=[5894]}, 88) = 5894 ./strace-static-x86_64: Process 5894 attached [pid 5893] futex(0x7f86fbbcd31c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5892] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5885] rt_sigprocmask(SIG_SETMASK, [], [pid 5894] rseq(0x7f86fbaddfe0, 0x20, 0, 0x53053053 [pid 5892] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5885] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5894] <... rseq resumed>) = 0 [pid 5892] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5885] futex(0x7f86fbbcd318, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] set_robust_list(0x7f86fbadd9a0, 24 [pid 5893] <... futex resumed>) = 1 [pid 5892] <... mmap resumed>) = 0x7f86fbade000 [pid 5885] <... futex resumed>) = 0 [pid 5880] <... futex resumed>) = 0 [pid 5894] <... set_robust_list resumed>) = 0 [pid 5893] futex(0x7f86fbbcd318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5892] mprotect(0x7f86fbadf000, 131072, PROT_READ|PROT_WRITE [pid 5885] futex(0x7f86fbbcd31c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5894] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5892] <... mprotect resumed>) = 0 [pid 5894] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3 [pid 5892] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5894] futex(0x7f86fbbcd31c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5885] <... futex resumed>) = 0 [pid 5894] futex(0x7f86fbbcd318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5892] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5892] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f86fbafe990, parent_tid=0x7f86fbafe990, exit_signal=0, stack=0x7f86fbade000, stack_size=0x20300, tls=0x7f86fbafe6c0}./strace-static-x86_64: Process 5895 attached [pid 5895] rseq(0x7f86fbafefe0, 0x20, 0, 0x53053053 [pid 5892] <... clone3 resumed> => {parent_tid=[5895]}, 88) = 5895 [pid 5895] <... rseq resumed>) = 0 [pid 5895] set_robust_list(0x7f86fbafe9a0, 24 [pid 5892] rt_sigprocmask(SIG_SETMASK, [], [pid 5895] <... set_robust_list resumed>) = 0 [pid 5892] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5895] rt_sigprocmask(SIG_SETMASK, [], [pid 5892] futex(0x7f86fbbcd308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5895] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5892] <... futex resumed>) = 0 [pid 5892] futex(0x7f86fbbcd30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5895] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5892] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5892] futex(0x7f86fbbcd31c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5892] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f86fbabd000 [pid 5892] mprotect(0x7f86fbabe000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5892] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5892] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f86fbadd990, parent_tid=0x7f86fbadd990, exit_signal=0, stack=0x7f86fbabd000, stack_size=0x20300, tls=0x7f86fbadd6c0} => {parent_tid=[5896]}, 88) = 5896 ./strace-static-x86_64: Process 5896 attached [pid 5892] rt_sigprocmask(SIG_SETMASK, [], [pid 5896] rseq(0x7f86fbaddfe0, 0x20, 0, 0x53053053 [pid 5892] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5896] <... rseq resumed>) = 0 [pid 5892] futex(0x7f86fbbcd318, FUTEX_WAKE_PRIVATE, 1000000 [pid 5896] set_robust_list(0x7f86fbadd9a0, 24 [pid 5892] <... futex resumed>) = 0 [pid 5892] futex(0x7f86fbbcd31c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5896] <... set_robust_list resumed>) = 0 [pid 5896] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5896] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3 [pid 5896] futex(0x7f86fbbcd31c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5892] <... futex resumed>) = 0 [pid 5896] futex(0x7f86fbbcd318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5882] <... unshare resumed>) = 0 [pid 5882] futex(0x7f86fbbcd30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] exit_group(0 [pid 5888] <... futex resumed>) = ? [pid 5882] <... futex resumed>) = ? [pid 5876] <... exit_group resumed>) = ? [pid 5888] +++ exited with 0 +++ [pid 5886] <... unshare resumed>) = 0 [pid 5882] +++ exited with 0 +++ [pid 5886] futex(0x7f86fbbcd30c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5886] futex(0x7f86fbbcd308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5880] exit_group(0 [pid 5893] <... futex resumed>) = ? [pid 5880] <... exit_group resumed>) = ? [pid 5876] +++ exited with 0 +++ [pid 5893] +++ exited with 0 +++ [pid 5886] <... futex resumed>) = ? [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5876, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5899 attached [pid 5899] set_robust_list(0x5555947b96a0, 24) = 0 [pid 5899] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5886] +++ exited with 0 +++ [pid 5880] +++ exited with 0 +++ [pid 5857] <... clone resumed>, child_tidptr=0x5555947b9690) = 5899 [pid 5899] setpgid(0, 0 [pid 5853] --- 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 */} --- [pid 5853] restart_syscall(<... resuming interrupted clone ...> [pid 5899] <... setpgid resumed>) = 0 [pid 5884] <... unshare resumed>) = 0 [pid 5884] futex(0x7f86fbbcd30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5889] <... unshare resumed>) = 0 [pid 5853] <... restart_syscall resumed>) = 0 [pid 5899] <... openat resumed>) = 3 [pid 5889] futex(0x7f86fbbcd30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5884] <... futex resumed>) = 0 [pid 5881] exit_group(0 [pid 5899] write(3, "1000", 4 [pid 5891] <... futex resumed>) = ? [pid 5889] <... futex resumed>) = 0 [pid 5881] <... exit_group resumed>) = ? [pid 5885] exit_group(0 [pid 5891] +++ exited with 0 +++ [pid 5885] <... exit_group resumed>) = ? [pid 5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5902 attached [pid 5899] <... write resumed>) = 4 [pid 5894] <... futex resumed>) = ? [pid 5889] +++ exited with 0 +++ [pid 5899] close(3 [pid 5894] +++ exited with 0 +++ [pid 5899] <... close resumed>) = 0 [pid 5885] +++ exited with 0 +++ [pid 5902] set_robust_list(0x5555947b96a0, 24 [pid 5884] +++ exited with 0 +++ [pid 5881] +++ exited with 0 +++ [pid 5853] <... clone resumed>, child_tidptr=0x5555947b9690) = 5902 [pid 5899] write(1, "executing program\n", 18executing program [pid 5860] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5885, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5860] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5881, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5902] <... set_robust_list resumed>) = 0 [pid 5899] <... write resumed>) = 18 [pid 5855] restart_syscall(<... resuming interrupted clone ...> [pid 5902] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5899] futex(0x7f86fbbcd30c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] <... prctl resumed>) = 0 [pid 5899] <... futex resumed>) = 0 [pid 5855] <... restart_syscall resumed>) = 0 [pid 5902] setpgid(0, 0 [pid 5899] rt_sigaction(SIGRT_1, {sa_handler=0x7f86fbb69250, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f86fbb5a8d0}, [pid 5895] <... unshare resumed>) = 0 [pid 5860] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5902] <... setpgid resumed>) = 0 [pid 5899] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5895] futex(0x7f86fbbcd30c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5904 attached [pid 5902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5899] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5895] <... futex resumed>) = 0 [pid 5892] exit_group(0 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5904] set_robust_list(0x5555947b96a0, 24 [pid 5902] <... openat resumed>) = 3 [pid 5899] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5896] <... futex resumed>) = ? [pid 5892] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5905 attached [pid 5904] <... set_robust_list resumed>) = 0 [pid 5902] write(3, "1000", 4 [pid 5899] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5896] +++ exited with 0 +++ [pid 5905] set_robust_list(0x5555947b96a0, 24 [pid 5904] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5902] <... write resumed>) = 4 [pid 5899] <... mmap resumed>) = 0x7f86fbade000 [pid 5895] +++ exited with 0 +++ [pid 5892] +++ exited with 0 +++ [pid 5860] <... clone resumed>, child_tidptr=0x5555947b9690) = 5904 [pid 5905] <... set_robust_list resumed>) = 0 [pid 5904] <... prctl resumed>) = 0 [pid 5902] close(3 [pid 5899] mprotect(0x7f86fbadf000, 131072, PROT_READ|PROT_WRITE [pid 5855] <... clone resumed>, child_tidptr=0x5555947b9690) = 5905 [pid 5852] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5892, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5905] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5904] setpgid(0, 0